Overhung From Central Support Patents (Class 417/407)
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Patent number: 12215589Abstract: A gas turbine engine includes: a turbine wheel and a compressor wheel, coaxially configured and rotating integrally; a rotary shaft, including an outer shaft portion, a penetration portion, and an inner shaft portion; and a thrust cancel disc, provided between inner surfaces of the turbine wheel and the compressor wheel. The compressor wheel has a hollow portion through which the inner shaft portion passes. The turbine wheel has a first thread portion protruding from the inner surface, and at least one end portion of the inner shaft portion has a second thread portion. The thrust cancel disc is connected to the inner surfaces of the turbine wheel and the compressor wheel, respectively. A through hole is provided in a center of the thrust cancel disc, and the first thread portion or the end portion of the inner shaft portion with the second thread portion passes through the through hole.Type: GrantFiled: April 14, 2024Date of Patent: February 4, 2025Assignee: Honda Motor Co., Ltd.Inventor: Kenichi Senda
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Patent number: 12203386Abstract: An assembly is provided for a gas turbine engine. This assembly includes a compressor rotor, a turbine rotor and a cooling circuit. The compressor rotor includes a gas path surface. The turbine rotor is rotatable with the compressor rotor about a rotational axis. The cooling circuit includes an inlet in the gas path surface. The cooling circuit extends from the inlet, through the compressor rotor and into the turbine rotor.Type: GrantFiled: February 18, 2022Date of Patent: January 21, 2025Assignee: RTX CORPORATIONInventors: Lawrence A. Binek, Sean R. Jackson, Jose R. Paulino
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Patent number: 12188437Abstract: Exhaust gas recirculation pump (30) for an internal combustion engine that includes an electric motor (32) disposed within a housing (36). A Roots device (38) is coupled to the electric motor (32) and includes a housing (40) defining an internal volume (42) in which rotors (44) are disposed and are connected to the electric motor (32). The electric motor housing (36) includes a coolant path (48) formed therein which extends from a coolant inlet (58) to a coolant outlet (78), both coupled to an engine coolant circulation system. The housing includes an oil path (108) formed therein. The oil path includes an oil inlet (110) extending to at least one oil outlet (112). The oil inlet and outlet are coupled to an engine oil circulation system wherein the oil path (108) lubricates bearings (100) and a transmission assembly (46) of the exhaust gas recirculation pump (30).Type: GrantFiled: January 17, 2019Date of Patent: January 7, 2025Assignee: Eaton Intelligent Power LimitedInventors: Douglas Anthony Hughes, Brandon Dennis Biller, Jim Kevin Spring, Jesse Drummond, Matthew Fortini
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Patent number: 12135087Abstract: An oil deflector comprising: a cylindrical portion; a first guide surface extending radially outward from the cylindrical portion; and a second guide surface that is located on a radially outer side of the cylindrical portion and extends in a direction that crosses an outer peripheral surface of the cylindrical portion and the first guide surface.Type: GrantFiled: November 21, 2022Date of Patent: November 5, 2024Assignee: IHI CorporationInventors: Satoshi Kusano, Shinichi Kaneda, Tetsuya Aono
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Patent number: 12055050Abstract: Variable geometry turbines having new configurations of vanes are disclosed. New methods for designing new configurations of vanes for geometry turbines having are also disclosed.Type: GrantFiled: February 26, 2021Date of Patent: August 6, 2024Assignee: CUMMINS LTDInventor: Stephen David Hughes
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Patent number: 11959388Abstract: The invention relates to a turbocharger which contains a bearing device which is arranged between a compressor and a turbine and which is designed to support a shaft. This bearing device has a bearing housing, in which an oil-lubricated bearing for supporting the shaft is arranged. The shaft has a slinger element extending in the circumferential direction for centrifugally dispersing lubricating oil. The bearing housing has an oil drainage channel for discharging the lubricating oil from the bearing housing. The inner region of the bearing housing forms an oil delimitation chamber, which is sealed off by seals arranged between the shaft and the bearing housing. The oil delimitation chamber has a deflection means which is formed in such a way that, during operation of the turbocharger, lubricating oil that is centrifugally dispersed by the slinger element is deflected by the deflection means and is conducted in the opposite direction to the seals.Type: GrantFiled: October 17, 2019Date of Patent: April 16, 2024Assignee: Turbo Systems Switzerland LtdInventors: Christian Kreienkamp, Florian Maurer
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Patent number: 11959413Abstract: An exhaust gas turbocharger with an integrated catalyst substrate block and a hybrid vehicle having such a turbocharger are described. The exhaust gas turbocharger has a turbine housing, a turbine wheel and upstream ahead of the turbine wheel a hollow body-shaped catalyst substrate block, which is integrated in the exhaust gas ring duct of the turbine housing of the exhaust gas turbocharger. As a result of the upstream disposal of the turbine wheel and the integration in the exhaust gas ring duct of the turbine housing, particularly good emission values of an associated internal combustion engine can be achieved with a compact construction mode.Type: GrantFiled: November 24, 2021Date of Patent: April 16, 2024Assignee: VITESCO TECHNOLOGIES GMBHInventors: Sasa Slavic, Jan Ehrhard
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Patent number: 11920489Abstract: An exhaust turbocharger including a modular bearing designed for bearing a shaft and arranged between a compressor and a turbine is provided herein. The bearing has a bearing housing having a receptacle chamber, wherein a bearing assembly module can be or is installed in the receptacle chamber and can be non-destructively removed. The receptacle chamber is sized such that either a bearing assembly module having a rolling bearing or a bearing assembly module having a slide bearing can be installed. The receptacle chamber has an interface, designed to contact the bearing flange of a bearing assembly module inserted into the receptacle chamber. The interface is designed to connect an oil gallery passing through the bearing housing to one or more oil galleries passing through a bearing flange of the bearing assembly module.Type: GrantFiled: September 24, 2019Date of Patent: March 5, 2024Assignee: Turbo Systems Switzerland LtdInventors: Florian Maurer, Christian Kreienkamp, Bruno Ammann
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Patent number: 11920490Abstract: A charging device (10) for an internal combustion engine or a fuel cell, including a compressor (100) with a compressor housing (110) and a compressor wheel (120) arranged therein. The charging device (10) also includes a shaft (200) which is coupled to the compressor wheel (120), and a bearing housing (300) which is connected to the compressor housing and in which the shaft (200) is rotatably mounted. The bearing housing (300) includes a thrust bearing (400) for axial mounting of the shaft (200). The thrust bearing (400) has a bearing gap (410) which extends at least partially in a radial direction (24) relative to the shaft (200). The thrust bearing (400) is fluidically connected to the compressor (100) and arranged such that when the compressor (100) is in operation, a fluid stream from the compressor (100) flows at least partially in the radial direction (24) through the bearing gap (410). The thrust bearing (400) is fluidically connected to a pressure side (130) of the compressor (100).Type: GrantFiled: September 19, 2022Date of Patent: March 5, 2024Assignee: BorgWarner Inc.Inventor: Sebastian Dauscher
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Patent number: 11846295Abstract: A turbocharger includes: an oil drainage path formed in a radial bearing support, one end of the oil drainage path being opened on at least one of a surface facing a thrust bearing and a surface facing a supported portion in the radial bearing support, the other end of the oil drainage path being opened on a bottom surface of the radial bearing support, an entire projected surface of the oil drainage path projected along a central axis thereof to an oil outlet being included within the oil outlet; and an oil drainage space provided between the thrust bearing and an impeller and connected to an oil chamber.Type: GrantFiled: June 2, 2022Date of Patent: December 19, 2023Assignee: IHI CorporationInventor: Katsunori Hayashi
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Patent number: 11808265Abstract: An energy-conserving fluid pump is an apparatus used to transport low viscosity fluids like water and fuel without experiencing cavitation, recirculation, nor motor locking while also conserving energy. The apparatus includes a fluid diffuser, a fluid densifier, a convergent housing, and a strut assembly. The fluid diffuser improves the efficiency of the apparatus by expanding the fluid inflow and maintaining a fluid pressure buildup. The fluid densifier shears the incoming fluid flow from the fluid diffuser and increases the fluid outflow pressure. The convergent housing encloses the fluid diffuser and the fluid densifier while facilitating the outflow of the pressurized fluid without the loss of fluid pressure nor cavitation. In addition, the convergent housing facilitates the transfer of torque to the fluid diffuser for the operation of the apparatus. The strut assembly keeps the fluid densifier stationary while enabling the rotation of the convergent housing and/or the fluid diffuser.Type: GrantFiled: December 7, 2020Date of Patent: November 7, 2023Assignee: KINETIC TECHNOLOGY SYSTEMS, LLCInventor: Gary Raymond Cornwell
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Patent number: 11788432Abstract: A system for a vehicle has an oil supply, an engine oil pump comprising a plurality of ports and an engine coupled to the plurality of ports. A turbocharger is coupled to the engine. A turbocharger oil pump is coupled to the oil supply comprising a first port coupled to the turbocharger.Type: GrantFiled: January 9, 2021Date of Patent: October 17, 2023Assignee: POLARIS INDUSTRIES INC.Inventors: Derek D. Zimney, James H. Buchwitz, Dallas J. Blake, Alexander M. Hetteen, Daniel E. Erickson, Chad A. Dale, Darren J. Hedlund, Derek J. Fitzpatrick, Christopher P. Scremin, Reed A. Hanson
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Patent number: 11773907Abstract: A thrust gas bearing includes a collar portion fixed to a shaft portion, a first base part facing one axial end surface of the collar portion, a first gas film forming part formed between the collar portion and first base part, a second base part facing an other axial end surface of the collar portion, a second gas film forming part formed between the collar portion and second base part, and a cooling flow path to carry a fluid flow. The cooling flow path includes a first flow path formed on one axial end side of the first base part and extending from an axial center toward an outer periphery, and a second flow path formed on an other axial end side of the second base part and extending from an outer periphery toward an axial center. The second flow path is located downstream of the first flow path.Type: GrantFiled: September 28, 2022Date of Patent: October 3, 2023Assignee: Daikin Industries, Ltd.Inventors: Bichuan Liu, Kouichi Tanaka, Kousuke Nishimura
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Patent number: 11754115Abstract: An assembly is provided for a gas turbine engine. This assembly includes a rotating structure, a stationary structure and a bushing. The rotating structure extends axially along and is rotatable about a centerline. The stationary structure extends circumferentially about the rotating structure. The stationary structure is configured from or otherwise includes stationary structure material with a coefficient of thermal expansion between 10 ?in/in-° F. and 15 ?in/in-° F. The bushing is radially between the rotating structure and the stationary structure. The bushing includes a mount and a bearing within the mount. The mount is configured from or otherwise includes mount material with a coefficient of thermal expansion between 9 ?in/in-° F. and 10 ?in/in-° F. The mount material contacts the stationary structure material. The bearing is configured from or otherwise includes bearing material, where the bearing material is engaged with and rotatably supports the rotating structure.Type: GrantFiled: April 18, 2022Date of Patent: September 12, 2023Assignee: Pratt & Whitney Canada Corp.Inventor: Jean-Francois Belanger
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Patent number: 11732606Abstract: A cooling structure includes: a housing including an inner cylindrical portion through which a shaft is inserted; a coolant flow path formed in the housing and opened on one side of the housing in a rotational axis direction, the coolant flow path being located radially outside the inner cylindrical portion; a lid member disposed in an opening of the coolant flow path, the lid member located radially outside the inner cylindrical portion and adjacent to the coolant flow path; a first end portion on the lid member, the first end portion contacting, in the radial direction, an inner circumferential surface of the coolant flow path on one side in the radial direction; and a second end portion on the lid member, the second end portion contacting, in the rotational axis direction, an abutment surface on the housing on the other side in the radial direction.Type: GrantFiled: March 29, 2022Date of Patent: August 22, 2023Assignee: IHI CorporationInventor: Kenichi Segawa
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Patent number: 11719129Abstract: Disclosed is a compressor housing and method of assembling. The compressor housing may comprise an outer volute, a cavity, an impeller cover, a compressor diffuser and an inner volute. The outer volute includes a back wall and a curved casing. The back wall may include a receptacle and a first plurality of annular steps. The receptacle configured to receive an alignment pin. The cavity is configured to receive the compressor impeller and is at least partially defined by the back wall of the outer volute and the impeller cover. The impeller cover is configured to fragment during impact with the compressor impeller during a failure condition of the compressor impeller. The impeller cover is disposed between the inner volute and the cavity. The compressor diffuser is disposed between the back wall and the impeller cover.Type: GrantFiled: November 11, 2021Date of Patent: August 8, 2023Assignee: Progress Rail Locomotive Inc.Inventors: Gary R. Svihla, Shannon W. Omori
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Patent number: 11686325Abstract: A fuel cell including a two-stage, fluid compressor including a case having a fluid inlet and a compressed fluid outlet and containing a shaft rotatably mounted about a longitudinal axis, first and second compression wheels mounted back-to-back on the shaft and forming respectively first and second compression stages, and a motor positioned between the first and second compression wheels and arranged to rotate the shaft. The case includes a through inner housing extending coaxially to the longitudinal axis and inside which is arranged at least the motor, the inner housing having an internal wall arranged to form, with the motor, channels between at least the inner wall and the motor, the channels extending between the first and second compression stages, allowing the motor to be cooled.Type: GrantFiled: April 9, 2019Date of Patent: June 27, 2023Assignee: Belenos Clean Power Holding AGInventors: Rexhep Gashi, Lucie Meyrat
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Patent number: 11603774Abstract: An integrated bearing assembly includes a thrust bearing disposed along a face of a turbocharger casing in a turbocharger and extending circumferentially around an axis of rotation of a rotor of the turbocharger, and a dual film journal bearing radially disposed between the rotor and the turbocharger casing which can be semi-floating or fully floating. The journal bearing includes a shoulder step radially extending away from the rotor. The shoulder step of the journal bearing engages one or more of the thrust bearing or the turbocharger casing to prevent axial movement of the dual film journal bearing relative to the turbocharger casing.Type: GrantFiled: December 18, 2019Date of Patent: March 14, 2023Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: Yaser Bastani, Walter Chandler
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Patent number: 11542958Abstract: An exhaust turbocharger has a housing, in which a shaft is mounted by bearings, which carries a turbine wheel, on the one hand, and a compressor wheel, on the other hand. An electric machine has a rotor and a stator. The rotor is secured on the shaft for conjoint rotation therewith and the stator surrounds the rotor radially on the outside. A sleeve, which supports the rotor radially and axially, is arranged between the stator and the rotor. The sleeve has at least one fluid duct, by way of which a cooling fluid can be guided toward the bearings of the shaft.Type: GrantFiled: November 9, 2021Date of Patent: January 3, 2023Inventors: Jürgen Scholz, Werner Verdoorn, Ralph Ronneburger, Alexander Schulz, Peter Rothenberger, Michael Schreck
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Patent number: 11506114Abstract: A variable geometry turbocharger (100) includes a bearing housing (10) including a bearing-housing side support portion (40) configured to support a radially outer portion (38) of a nozzle mount (16) from a side opposite to a scroll flow passage (4) in an axial direction of a turbine rotor (2), and wherein at least one of the following condition (a) or (b) is satisfied: (a) the bearing-housing side support portion (40) includes at least one bearing-housing side recess portion (46) formed so as to be recessed in the axial direction so as not to be in contact with the radially outer portion (38); (b) the radially outer portion (38) of the nozzle mount (16) includes at least one nozzle-mount side recess portion (62) formed so as to be recessed in the axial direction so as not to be in contact with the bearing-housing side support portion (40).Type: GrantFiled: May 5, 2021Date of Patent: November 22, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Keigo Sakamoto, Yosuke Dammoto, Eigo Katou, Yoji Akiyama, Nariaki Seike, Toyotaka Yoshida, Takeru Chiba
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Patent number: 11460042Abstract: A floating bush bearing configured to support a rotational shaft rotatably includes: a floating bush body part formed to have a cylindrical shape having an insertion hole through which the rotational shaft is inserted. The floating bush body part includes: an inner peripheral surface; an outer peripheral surface having a greater width dimension than the inner peripheral surface in an axial direction of the floating bush body part; and an axial end surface which connects an end of the inner peripheral surface and an end of the outer peripheral surface, the axial end surface including a vertical surface extending along a direction orthogonal to the axial direction from the end of the outer peripheral surface toward a radially inner side and an oblique surface extending from a radially inner end of the vertical surface toward the end of the inner peripheral surface.Type: GrantFiled: February 27, 2019Date of Patent: October 4, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Takaya Futae, Yosuke Dammoto, Jun Suzuki
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Patent number: 11434998Abstract: A compressor includes an impeller configured so as to compress gas, an electric motor, a rotary shaft configured so as to join the impeller and the electric motor to each other, a housing configured so as to house the rotary shaft and the electric motor, a mechanical seal that includes a rotation-side seal member provided in the rotary shaft, and a stationary-side seal member fixed to the housing so as to be in contact with the rotation-side seal member on a side of the impeller, and a member that defines a lubricant reservoir provided under the mechanical seal in a gravity direction and disposed so as to store lubricant, the member being disposed so that the lubricant reservoir is arranged such that at least a part of the rotation-side seal member on an outer circumference side passes through when rotation-side seal member rotating due to rotation of the rotary shaft.Type: GrantFiled: September 4, 2019Date of Patent: September 6, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shinobu Shimasaki
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Patent number: 11415030Abstract: The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.Type: GrantFiled: January 7, 2019Date of Patent: August 16, 2022Assignees: Joma-Polytec GmbH, Bayerische Motoren Werke AktiengesellschaftInventors: Jörg Ströse, Christian Scheibe, Tobias Köhnlein
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Patent number: 11384772Abstract: A rotating machine includes a shaft, a first impeller wheel, and a second impeller wheel. The rotating machine also includes a first seal assembly including a first carbon ring disposed about the shaft, with the first carbon ring having a first carbon surface. The first seal assembly also includes a first mating ring disposed about the shaft, with the first mating ring having a first mating surface facing and configured to contact the first carbon surface. The rotating machine additionally includes a second seal assembly including a second carbon ring disposed about the shaft, with the second carbon ring having a second carbon surface. The second seal assembly also includes a second mating ring disposed about the shaft, with the second mating ring having a second mating ring surface facing and configured to contact the second carbon surface.Type: GrantFiled: February 12, 2020Date of Patent: July 12, 2022Assignee: BorgWarner Inc.Inventors: Tyler Ransom Garrard, Erwin Perry Ellwood, III, Frederick Michael Huscher
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Patent number: 11300041Abstract: A turbocharger includes a first scroll member made of sheet metal, extending in a circumferential direction of an impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the first turbine scroll passage, a second scroll member made of sheet metal, extending in the circumferential direction of the impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the second turbine scroll passage, and a closing member closing the opening of the first scroll member and forming the wall surface of the first turbine scroll passage on the side thereof adjacent to the bearing housing, and closing the opening of the second scroll member and forming the wall surface of the second turbine scroll passage on the side thereof adjacent to the bearing housing.Type: GrantFiled: March 18, 2020Date of Patent: April 12, 2022Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito Uemura, Shuichi Fujita, Toshiya Kato
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Patent number: 11208894Abstract: A turbine wheel, in particular in a charging device for use in an internal combustion engine, is specified, wherein the turbine wheel (10) comprises a plurality of blades (12) on a hub (16) that forms a rear wall (14), wherein adjacent blades (12) form an inlet surface (18) having two leading edges (20) and an outlet surface (22) having two trailing edges (24) and situated substantially axially inward, wherein a surface (26) of a blade (12) is configurable by way of an angle (T) and a length (Z0) of a plurality of curvatures (30, . . . , 38) situated next to one another between the leading edge (20) and the trailing edge (24), wherein, for each of the curvatures (30, . . . , 38), the angle (T) of the leading edge (20) initially increases or remains constant and then decreases as the length (Z0) increases so as to form a maximum (40, 40?, 40?).Type: GrantFiled: October 10, 2019Date of Patent: December 28, 2021Assignee: BorgWarner Inc.Inventor: Martin Schön
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Patent number: 11210435Abstract: A turbine with multiple gas inlets is designed by a process of, for a given engine, obtaining time series data characterizing the power bias of the engine, obtaining an isentropic power associated with each data point of the time series, and using the isentropic powers to obtain a design point. The turbine is then designed based on the design point, such as by optimising one or more design parameters of the turbine based on the design point.Type: GrantFiled: November 21, 2018Date of Patent: December 28, 2021Assignee: CUMMINS LTDInventors: Craig S. T. Hasler, Vishal Seeburrun, Stephen David Hughes, Jamie Archer
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Patent number: 11187106Abstract: A bearing heat shield, a turbomachine having a bearing heat shield and method for assembling such is disclosed. The bearing heat shield includes an outer annular ring extending around an outer circumference of the bearing heat shield, the outer annular ring has a flat surface and extends inward from an outer diameter measurement to a middle diameter measurement. The bearing heat shield further includes a concave surface, the concave surface being defined by a curvature and extending inward from the middle diameter measurement to an inner diameter measurement.Type: GrantFiled: May 23, 2019Date of Patent: November 30, 2021Assignee: BorgWarner Inc.Inventors: Dominic William DePaoli, Aaron Burke Date, Tanner Leigh Brookshire, Daniel Thomas Pruitt
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Patent number: 11174870Abstract: A turbine for a turbocharger includes: a turbine impeller coupled to a compressor impeller via a rotational shaft; a turbine casing disposed so as to cover the turbine impeller, the turbine casing including a scroll flow passage and a scroll outlet portion disposed on an inner side, in a radial direction, of the scroll flow passage, for guiding exhaust gas from the scroll flow passage to the turbine impeller; and a back-surface side member disposed so as to face a back surface of the turbine impeller. The back-surface side member includes a protruding portion disposed on an impeller facing surface which faces the back surface of the turbine impeller, the protruding portion protruding toward the back surface and extending in a circumferential direction.Type: GrantFiled: August 10, 2017Date of Patent: November 16, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Toru Hoshi, Toyotaka Yoshida, Takao Yokoyama, Bipin Gupta
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Patent number: 11131242Abstract: A turbocharger for an engine includes a housing, a shaft, a turbine wheel mounted to the shaft for rotation therewith, a compressor wheel mounted to the shaft for rotation therewith, and a bearing cartridge rotatably supporting the shaft relative to the housing. The housing is positioned axially between the turbine and compressor wheels. The bearing cartridge includes an inner ring mounted to the shaft, an outer ring disposed between the inner ring and the housing and movable relative to the housing, and a first and a second plurality of roller elements axially spaced apart from one another and disposed radially between the inner and outer rings to rotatably support the inner ring relative to the outer ring. A radial gap (RD) is defined between the outer ring (134) and the housing (126). Lubricant flows into the radial gap and radially separates the outer ring from the housing during operation of the turbocharger.Type: GrantFiled: November 23, 2018Date of Patent: September 28, 2021Assignee: BRP-ROTAX GMBH & CO. KGInventors: Thomas Zorn, Heinz Kusel, Markus Wolfsgruber, Roland Ennsmann, Peter Quatember
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Patent number: 11085457Abstract: A fluid machine and method of operating the same comprises a pump portion, turbine portion and a center bearing therebetween. The method includes communicating lubricant to a thrust bearing cavity disposed between a turbine impeller and a thrust wear ring, communicating lubricant from the thrust bearing cavity to a center axial shaft passage of a shaft through an impeller passage of the turbine impeller, communicating lubricant through the axial shaft passage to a bearing clearance between a shaft and a center bearing through a first radial shaft passage and a second radial shaft passage and communicating lubricant through the bearing clearance to a pump impeller chamber and a turbine impeller chamber.Type: GrantFiled: September 17, 2019Date of Patent: August 10, 2021Assignee: FLUID EQUIPMENT DEVELOPMENT COMPANY, LLCInventor: Eli Oklejas, Jr.
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Patent number: 11060416Abstract: Various methods and systems are provided for a radial turbocharger. In one example, the turbocharger comprises a turbine case housing a turbine wheel and a compressor case housing a compressor wheel, the turbine case including a vaneless turbine nozzle integrated into the turbine case, a bearing case surrounding a shaft connecting the turbine wheel to the compressor wheel and arranged between the turbine case and compressor case, a plurality of long bolts arranged around a circumference of the turbine case, and a plurality of slots arranged around a circumference of the turbine case, a slot length of each slot extending in a radial direction and adapted to receive a dowel pin having a diameter smaller than the slot length, where each dowel pin, via a corresponding slot, couples the bearing case to the turbine case.Type: GrantFiled: January 31, 2019Date of Patent: July 13, 2021Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: Christopher Joseph Homison, Louis Kobielski, Daniel Edward Loringer, Richard Scott, Lukas Johnson, Jared Vaughn, Raghav Kulkarni
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Patent number: 11028767Abstract: A variable geometry turbocharger (100) includes a bearing housing (10) including a bearing-housing side support portion (40) configured to support a radially outer portion (38) of a nozzle mount (16) from a side opposite to a scroll flow passage (4) in an axial direction of a turbine rotor (2), and wherein at least one of the following condition (a) or (b) is satisfied: (a) the bearing-housing side support portion (40) includes at least one bearing-housing side recess portion (46) formed so as to be recessed in the axial direction so as not to be in contact with the radially outer portion (38); (b) the radially outer portion (38) of the nozzle mount (16) includes at least one nozzle-mount side recess portion (62) formed so as to be recessed in the axial direction so as not to be in contact with the bearing-housing side support portion (40).Type: GrantFiled: March 28, 2016Date of Patent: June 8, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Keigo Sakamoto, Yosuke Dammoto, Eigo Katou, Yoji Akiyama, Nariaki Seike, Toyotaka Yoshida, Takeru Chiba
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Patent number: 11022031Abstract: The turbine arrangement includes a turbine including a turbine housing which defines a turbine cavity within which a turbine wheel is supported, an inlet upstream of the wheel and an outlet downstream. The arrangement also includes a flow passage configured to permit gas flow without interacting with the wheel, and a valve member moveable between an open configuration wherein gas may flow through the flow passage, and a closed configuration wherein gas is substantially prevented from flowing, a first actuator portion for moving the valve member between the configurations, and a second actuator portion in gas flow communication with a portion of the arrangement upstream of the wheel via an actuator gas passage. The arrangement is configured such that gas may flow through the actuator gas passage to the second actuator portion, where it acts on the second actuator portion to urge the valve member towards the closed configuration.Type: GrantFiled: March 17, 2017Date of Patent: June 1, 2021Assignee: Cummins Ltd.Inventors: James Alexander Mcewen, Thomas Morton
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Patent number: 11007998Abstract: A hybrid vehicle may include: an engine; a drive motor assisting a driving torque of the engine; an engine clutch selectively delivering power between the engine and the drive motor; a first intake valve disposed in a first intake line; a second intake valve disposed in a second intake line; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a connecting valve disposed in a connecting line for connecting the first intake line and the second intake line; and a controller determining an operating mode among a plurality of operating modes of the first and the second electric superchargers based on a pressure ratio and a flow rate of the intake air supplied by each of the first and the second electric superchargers.Type: GrantFiled: May 27, 2020Date of Patent: May 18, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Buhm Joo Suh, Dong Hee Han, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Yong Kak Choi, Hyunjin Kang
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Patent number: 10954818Abstract: A turbocharger includes: a rotating shaft which extends along an axis; a turbine wheel which is provided on one end side of the rotating shaft; a compressor wheel which is provided on the other end side of the rotating shaft; a rolling bearing which includes an inner race fixed to an outer circumferential surface of the rotating shaft, an outer race surrounding the inner race from an outside in a radial direction, and rolling bodies arranged between the inner race and the outer race and rotatably supports the rotating shaft around the axis; a housing which covers the rolling bearing from an outer circumferential side with a gap between the housing and an outer circumferential surface of the rolling bearing; and a plurality of lubricating oil supply lines through which lubricating oil is supplied to different locations in the housing at different state quantities.Type: GrantFiled: December 4, 2015Date of Patent: March 23, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Yoshitomo Noda, Motoki Ebisu, Hiroshi Suzuki
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Electronics assembly having a heat sink and an electrical insulator directly bonded to the heat sink
Patent number: 10900412Abstract: An electronics assembly drives an electric motor and receives a coolant fluid. The electronics assembly includes a heat sink including a thermally conductive material. The heat sink includes a frame extending between a first surface and a second surface. The first surface defines at least a portion of a cavity for receiving the coolant fluid therein. The heat sink includes a plurality of cooling members coupled to and extending from the first surface of the frame into the cavity such that the plurality of cooling members are disposed within the coolant fluid. The electronics assembly further includes an electrical insulator directly bonded to the second surface of the frame and a semiconductor thermally coupled to the electrical insulator. The electrical insulator is a thermal conductor and facilitates heat transfer between the semiconductor and the heat sink. The electrical insulator electrically insulates the semiconductor from the heat sink.Type: GrantFiled: May 31, 2018Date of Patent: January 26, 2021Assignee: Borg Warner Inc.Inventor: Jeffrey Carter -
Patent number: 10895194Abstract: A cooling system including a first coolant line and a second coolant line, at least one first component to be cooled, into which the first coolant line opens, and a first ventilation line. The first ventilation line is fluidically connected to the at least one first component and is configured for ventilating the at least one first component. The first ventilation line opens into the second coolant line.Type: GrantFiled: March 30, 2017Date of Patent: January 19, 2021Assignee: MTU Friedrichshafen GmbHInventor: Oliver Markin
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Patent number: 10844867Abstract: An exhaust gas turbocharger for an internal combustion engine, particularly of a motor vehicle, is disclosed. The exhaust gas turbocharger includes a bearing housing having at least one through hole for a rotor of the exhaust gas turbocharger for supporting the rotor. At least one housing cover is connected to the bearing housing such that the through hole is sealed at least partially in the axial direction of the exhaust gas turbocharger. The housing cover is connected to the bearing housing by exactly one threaded element having an external thread, which threaded element is screwed to the bearing housing by its external thread and a corresponding internal thread of the bearing housing.Type: GrantFiled: April 6, 2016Date of Patent: November 24, 2020Assignee: Daimler AGInventors: Alfonso Galan Ventosa, Harald Ruedle, Markus Mueller, Elias Chebli
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Patent number: 10823008Abstract: A turbocharger has a meridionally divided scroll comprising a first scroll and a second. A dividing wall that separates the two scrolls from each other has an evolutive thickness distribution as a function of angular location about a rotational axis of the turbine. In an embodiment, the dividing wall has a V-shape, and the included angle of the V-shaped dividing wall varies from a maximum value at a 0° angular location to a minimum value at a 360° angular location. As such, the thickness of the dividing wall correspondingly varies from a maximum value at the 0° angular location to a minimum value at the 360° angular location.Type: GrantFiled: May 11, 2018Date of Patent: November 3, 2020Assignee: Garrett Transportation I Inc.Inventors: Fabien Certilange, Roman Kolacek, Martin Babak, Dusan Chadim, Farid Ahdad, Pavel Dubsik
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Patent number: 10781719Abstract: A turbocharger, with a turbine for expanding a first medium that includes a turbine rotor and a turbine housing, a compressor for compressing a second medium that includes a compressor rotor coupled to the turbine rotor via a shaft and a compressor housing, a bearing housing in which the shaft is mounted, a bearing housing cap delimiting the bearing housing facing the turbine, and a turbine cover delimiting the turbine on a side facing the bearing housing and has a section projecting into a recess of the bearing housing cap. On a section of the bearing housing cap delimiting the recess of the bearing housing cap on the outside, which on the outside follows the section of the turbine cover projecting into the recess of the bearing housing cap, an oil trapping lip is formed on a side of the bearing housing cap facing the turbine rotor.Type: GrantFiled: August 30, 2018Date of Patent: September 22, 2020Assignee: MAN Energy Solutions SEInventors: Lukás Bozek, Petr Holik
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Patent number: 10746099Abstract: A turbocharger includes a compressor housing, turbine housing, and center housing between the compressor and turbine housings. A turbine wheel is disposed in the turbine housing on a turbine shaft. A compressor wheel having a shank is disposed in the compressor housing on the turbine shaft. The shank has outer and reduced portions. The reduced portion has a smaller diameter than the outer portion. A backplate is mounted to the compressor housing adjacent the compressor wheel and defines a stepped cylindrical bore with a maximum diameter portion and a minimum diameter portion having a smaller diameter than the maximum portion. The outer portion is disposed in the maximum portion. The reduced portion is disposed in the minimum portion. The outer diameter of the shank is greater than or equal to the minimum diameter of the backplate, and the stepped cylindrical bore and the shank define a variable width gap.Type: GrantFiled: April 3, 2019Date of Patent: August 18, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Louis Begin, Dingfeng Deng, Rachit Garg
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Patent number: 10677096Abstract: A turbocharger with a turbine for expanding a first medium and a compressor for compressing a second medium utilizing energy extracted in the turbine during the expansion of the first medium. The turbine comprises a turbine housing and a turbine rotor. The turbine housing is connected to a bearing housing. An inflow housing of the turbine housing is formed in a double-walled manner, namely of an inner flow-conducting core and an outer force-conducting shell.Type: GrantFiled: February 26, 2018Date of Patent: June 9, 2020Assignee: MAN Energy Solutions SEInventors: Björn Hoßbach, Santiago Uhlenbrock, Stefan Rost
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Patent number: 10670029Abstract: A method for enclosing a rotating assembly of a turbocharger including providing at least two bearing housing segments which together form a bearing housing including a bearing bore and an insert bore. The method can include machining complementary mating faces of the segments, machining features as required for alignment and fastening of the segments to each other, machining the bearing bore and the insert bore, and machining oil feed passages and oil drain features into at least one segment. The at least one oil feed bore is drilled from the radially inner surface of the corresponding bearing housing segment. The method can further include balancing a rotating assembly, installing the rotating assembly into one of the bearing housing segments, and joining the segments together to enclose the rotating assembly.Type: GrantFiled: August 31, 2017Date of Patent: June 2, 2020Assignee: BORGWARNER INC.Inventors: Aaron Date, Augustine Cavagnaro, Michael Bucking
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Patent number: 10669889Abstract: A turbocharger (18) includes a shaft (20), a mixed flow turbine wheel (40) including a wheel hub (44) and blades having tips (42), and a heat shield (11). The heat shield (11) has a side wall, an end (19), and a contoured front edge (13) that connects the sidewall (16) and the end (19). The front edge (13) of the heat shield (11) defines a slope that forms an imaginary line that is angled relative to the sidewall (16) and the end (19), and intersects an axis of rotation of the shaft (20). The heat shield (11) resides at a position that is between a bearing housing (22) of the turbocharger (18) and the turbine wheel (40), and axially inward relative to an axially-facing surface of a turbine volute (24), and between the bearing housing (22) and the turbine wheel (40).Type: GrantFiled: January 29, 2015Date of Patent: June 2, 2020Assignee: BorgWarner Inc.Inventors: Rajmohan T. Chandramohanan, Greg Williams
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Patent number: 10612418Abstract: The present disclosure provides flanged joint or interface between two passageways. The flanged joint includes a first passageway, a connector, and a second passageway. The first passageway may, but not necessarily, be formed via casting process wherein an integrated flange may be defined at the opening of the first passageway such that the integrated flange defines a recess. The connector includes a support body having a fastener region at an upper end of the support body and a flange region at a lower end of the support body. The support body defines an aperture which is configured to support the second passageway. The flange region defined in connector is configured to engage with a recess defined in the first passageway.Type: GrantFiled: March 22, 2018Date of Patent: April 7, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Michael A. Karram, David A. Wulbrecht
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Patent number: 10590844Abstract: An internal combustion engine for a motor vehicle included a crankshaft, at least one piston coupled to the crankshaft for performing strokes in a cylinder as a consequence of a rotation of the crankshaft. An eccentric shaft is coupled to the crankshaft and to the piston in such a manner that through it strokes of the piston are extendable. The internal combustion engine further includes a phase adjuster for adjusting a phase of the coupling of the eccentric shaft to the crankshaft and/or a stroke adjuster for adjusting strokes of the piston, in particular an extension of strokes of the piston by the eccentric shaft.Type: GrantFiled: July 11, 2018Date of Patent: March 17, 2020Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stefan Vogel, Stefan Lindner
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Patent number: 10550705Abstract: A turbine housing assembly seal can include a cylindrical portion that defines an opening having an axis where the cylindrical portion is disposed at a cylinder radius from the axis; a lower edge disposed at a lower edge radius that exceeds the cylinder radius; an sloped annular portion that extends radially inwardly from the lower edge; a lower bend that extends from the sloped annular portion to a lower axial position of the cylindrical portion; an upper bend that extends from an upper axial position of the cylindrical portion; and an upper edge that extends radially outwardly from the upper bend to an upper edge radius that exceeds the cylinder radius and that is less than the lower edge radius.Type: GrantFiled: December 10, 2014Date of Patent: February 4, 2020Assignee: Garrett Transportation I Inc.Inventors: Shankar Pandurangasa Solanki, Pierre Barthelet, Arnaud Gerard, Vincent Eumont, Nicolas Morand, Francis Abel
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Patent number: 10506735Abstract: A method of cooling a component with a heat exchange device includes pulling air into a central airway in a heat exchange device using a blower; directing the air from the blower through a diffuser and across a heat sink base, wherein a first component positioned underneath the heat sink base is cooled when the air passes over the heat sink base; and directing the air out from the diffuser and across a second component to cool the second component.Type: GrantFiled: August 25, 2014Date of Patent: December 10, 2019Assignee: Hamilton Sundstrand CorporationInventors: Joseph Turney, Brian St. Rock, John H. Whiton
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Patent number: 10465604Abstract: A turbocharger for an internal combustion engine includes a center housing and a bore defined by the center housing. The bore has a primary annular groove and a secondary annular groove configured to receive a fluid. A journal bearing is disposed within the bore proximate to a proximate end of the shaft such that the journal bearing, together with the rotating shaft, feeds fluid to the primary and secondary annular grooves. The shaft is further coupled to a turbine wheel and a compressor wheel. The shaft has a longitudinal axis and is supported by the journal bearing for rotation within the bore about the axis. The primary and secondary annular grooves are each in fluid communication with a drain gallery.Type: GrantFiled: March 10, 2017Date of Patent: November 5, 2019Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Louis P Begin, Dingfeng Deng, Ran Wu