Overhung From Central Support Patents (Class 417/407)
  • Patent number: 9810233
    Abstract: An axially-split turbomachine comprising a casing comprised of a first casing portion and a second casing portion, forming a housing for a rotor arranged for rotation therein. The rotor comprises a shaft and at least one impeller mounted on the shaft. The casing comprises at least one shaft passageway through which the shaft extends from the interior of the casing towards the exterior of the casing. The sealing arrangement comprises a linear sealing member, extending between the first and the second casing portions. The sealing arrangement further comprises at least one sealing ring portion surrounding said at least one shaft passageway. The sealing ring portion and the linear sealing member form a continuous sealing body.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: November 7, 2017
    Assignee: Nuovo Pignone Srl
    Inventors: Carlo Del Vescovo, Donato Antonio Rip, Fabrizio Milone
  • Patent number: 9752456
    Abstract: A turbocharger housing is divided along the longitudinal direction into at least two housing halves. The turbocharger housing includes a sealing device between the two housing halves for sealingly connecting the two housing halves.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: September 5, 2017
    Assignee: Continental Automotive GmbH
    Inventors: Ralf Boening, Holger Faeth, Ralph-Maurice Koempel
  • Patent number: 9683483
    Abstract: Methods and systems are provided for exhaust leak management in an engine. The exhaust leakage management system may include a port disposed to capture leaked exhaust along a movable portion associated with a turbine. The exhaust leakage management system may also include a three-way valve at a bifurcation of the port, directing leaked exhaust either to a first passage fluidically connected to a crankcase of the engine or to a second passage fluidically connected to a downstream portion of an exhaust pipe, depending on engine operating conditions.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: June 20, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: David Karl Bidner, Jack Adams, Mrdjan J. Jankovic
  • Patent number: 9677437
    Abstract: A turbocharger for an internal combustion engine comprising a housing wherein the housing comprises one or more coolant passages for receiving a coolant to cool the turbocharger and one or more lubricant passages for receiving a lubricant to lubricate the bearings. The lubricant may be the lubricant for both the turbocharger bearings and the internal combustion engine. The coolant passages and lubricant passages in the turbocharger may be arranged in the housing to transfer heat from the lubricant to the coolant such that the transfer of heat between the coolant passages and lubricant passages is sufficient to cool the lubricant to a temperature that is suitable for subsequent use in the internal combustion engine.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: June 13, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Chris James Leck, Anthony Bernard Demots, Paul Andrew Jones, John Moffat
  • Patent number: 9670823
    Abstract: An internal combustion engine includes a cylinder block defining a cylinder, a cylinder head, and an exhaust manifold operatively connected to the cylinder head and configured to exhaust post-combustion gasses from the cylinder. The engine also includes a turbocharger having a turbine housing and configured to be driven by the post-combustion gasses from the exhaust manifold, to pressurize an airflow being received from the ambient, and to discharge the pressurized airflow to the cylinder. The engine additionally includes a cooling module arranged between the turbine housing and the cylinder head and defining a third coolant jacket configured to cool the turbine housing. A vehicle employing such an engine is also disclosed.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 6, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Alan W. Hayman, Robert S. McAlpine
  • Patent number: 9638138
    Abstract: A turbocharger includes a turbine, a compressor, and a bearing housing forming a bearing bore. A bearing arrangement is disposed between a shaft interconnecting the turbine and compressor wheels, and the bearing housing. The bearing arrangement includes first and second bearings formed within an outer bearing race element having an outer wall that engages a bearing bore along four bearing surfaces that are disposed in pairs around two oil feed galleys formed in the outer wall, the outer wall further forming peripherally extending oil drainage grooves disposed such that oil provided from the oil feed galleys that passes through some of the bearing surfaces drains through the peripherally extending oil drainage grooves.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: May 2, 2017
    Assignee: Caterpillar Inc.
    Inventors: Richard E. Annati, Craig Miller
  • Patent number: 9624979
    Abstract: A turbocharger has a turbocharger housing having at least one section divided along a longitudinal axis into at least two housing halves. A bearing block device is provided in the turbocharger housing and receives a shaft and impellers of the turbocharger. The shaft with the impellers can be preassembled in the bearing block device and then inserted into the turbocharger housing.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: April 18, 2017
    Assignee: Continental Automotive GmbH
    Inventors: Ralf Boening, Ralph Maurice Koempel, Holger Faeth
  • Patent number: 9546568
    Abstract: A cooling structure for a bearing housing for a turbocharger is provided. The cooling structure is configured so that the cooling structure has improved productivity, the occurrence of heat soak-back is reduced, and the cooling structure has improved cooling performance. The cooling structure cools both a bearing housing 13 and a bearing 52 by cooling water flowing through an annular cooling water path 13f formed in the bearing housing 13, and is provided with: a water path inlet 13h for supplying the cooling water and a water path outlet 13j for discharging the cooling water, which are provided in the bearing housing 13 to communicate with the annular cooling water path 13f; and a partial partition 14a in the bearing housing 13 to partially close a water path which forms the shortest route between the water path inlet 13h and the water path outlet 13j.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: January 17, 2017
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tadashi Kanzaka, Kenichiro Iwakiri, Hiroshi Ogita
  • Patent number: 9494049
    Abstract: A turbocharger includes a semi-floating metal. The semi-floating metal is provided with a supply opening configured to supply oil to an inner bearing section. The turbocharger is provided with: an oil supply path which extends from inside of a bearing housing to the supply opening, and feeds the oil to be supplied to the inner bearing section; a removal section which changes a flowing direction of the oil supplied from an upstream side to separate minute foreign matter in the oil; and a conveyance path and a retaining region which collect the minute foreign matter separated by the removal section so as to prevent the minute foreign matter from mixing again with the oil flowing toward the supply opening.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: November 15, 2016
    Assignee: IHI Corporation
    Inventors: Masashige Takahashi, Yukio Takahashi
  • Patent number: 9470234
    Abstract: A compressor housing for an air cycle machine includes an inlet and an outlet. The compressor housing additionally includes a plurality of ribs that extend generally perpendicularly from a surface of the compressor housing. Formed within an internal region of the compressor housing is a bearing support structure. The bearing support structure receives and limits the axial movement of a bearing, seal and at least one O-ring.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 18, 2016
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Seth E. Rosen, Brent J. Merritt
  • Patent number: 9435346
    Abstract: In a compressor housing, a scroll piece includes a cylindrical intake port forming section, a scroll wall surface forming section that forms an air-intake side wall surface of a discharge scroll chamber, and a scroll outer circumferential section that covers an outer circumferential side of the discharge scroll chamber. A shroud piece of the housing includes a cylindrical shroud press fitted section press fitted into the intake port forming section, and a shroud wall surface forming section that forms an inner circumferential side wall surface of the discharge scroll chamber and also forms a shroud surface that opposes an impeller and a diffuser surface. An outer circumferential annular piece of the housing includes an outer circumferential annular press fitted section press fitted inside the scroll outer circumferential section, and an outer circumferential annular wall surface forming section that forms an outer circumferential side wall surface of the discharge scroll chamber.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: September 6, 2016
    Assignees: OTICS Corporation, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryu Osuka, Hiroki Matsui, Tomoyuki Isogai
  • Patent number: 9416727
    Abstract: An engine assembly includes an internal combustion engine and a waste heat recovery system. The waste heat recovery system is configured to direct refrigerant around a loop. The loop includes a heat exchanger configured to transfer heat from engine exhaust gases to the refrigerant such that the refrigerant is vaporized; a turbine configured to receive and be driven by the vaporized refrigerant; and a condenser configured to cool and condense the refrigerant for subsequent delivery in liquid form to the heat exchanger. The turbine includes a turbine wheel connected to a shaft which is held in a shaft housing, a bearing lubricated by liquid refrigerant being provided between the shaft and the shaft housing, and squeeze film dampers which utilize the liquid refrigerant are provided between the bearing and the shaft housing.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: August 16, 2016
    Assignee: CUMMINS LTD.
    Inventor: Craig Robert Arthur Lancaster
  • Patent number: 9404415
    Abstract: A system and method for operating an engine turbocharger is described. In one example, the turbocharger is rotated in different directions in response to operating conditions. The system and method may reduce engine emissions.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: August 2, 2016
    Assignee: Ford Global Technologies, LLC
    Inventors: William Charles Ruona, Kevin Durand Byrd, Keith Michael Plagens
  • Patent number: 9353645
    Abstract: A product for a turbocharger assembly is disclosed. A turbine wheel assembly may be adapted to rotate when exposed to a flow of gas. A vane ring may be disposed in the turbine wheel assembly. A plurality of vanes may be mounted to the vane ring. The flow of gas may meet the plurality of vanes at an angle of incidence. The plurality of vanes may be adjustable to selectively change the angle of incidence. The vane ring may have at least one slot adapted to direct a thermal deformation of the vane ring in a selected direction when exposed to the flow of gas.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: May 31, 2016
    Assignee: BorgWarner Inc.
    Inventor: Donald Michael Kennedy
  • Patent number: 9328628
    Abstract: A bearing housing (1) of an exhaust-gas turbocharger, having a housing body (2) in which an axial bearing (3) is arranged, and a compressor-side housing cover (4) which can be fixed in a compressor-side housing opening (6) via a fastening device (5). The fastening device (5) is a non-positively locking fastening device.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: May 3, 2016
    Assignee: BorgWarner Inc.
    Inventors: Niclas Schenkenberger, Johannes Hornbach
  • Patent number: 9260981
    Abstract: A bearing housing (1) of an exhaust-gas turbocharger (24), having a mounting bore (2), a bearing device (3) which has two bearing bushes (4, 5) arranged in the mounting bore (2), between which bearing bushes is arranged a spacer (6), and a rotational speed sensor (7) which is fixed in a bearing housing recess (9) and which engages into a sensor recess (8) of the spacer (6). A resilient sleeve (10) is arranged in the bearing housing recess (9) around the rotational speed sensor (7) and engages with one end (11) into the sensor recess (8).
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: February 16, 2016
    Assignee: BorgWarner Inc.
    Inventor: Johannes Hornbach
  • Patent number: 9234542
    Abstract: The improved bearing system includes an inner cartridge and an outer cartridge having respective bearing units configured to be mountable to a common axial shaft. A drain port is formed in the outer cartridge for discharging excess oil from the bearing system. An annular channel is generally formed from one of the cartridges for selectively receiving a preload ring. An annular groove is formed from a portion of the other cartridge and sized to slidably receive the preload ring. A preload element is disposed within the annular groove and axially compressed between a preload surface of the annular groove and the preload ring. The preload element maintains a simultaneous axial preload thrust on the bearing cartridges and respective bearing units in inwardly opposite axial directions.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: January 12, 2016
    Assignee: Alpha Turbo Technologies, LLC
    Inventor: Robert D. McKeirnan, Jr.
  • Patent number: 9212700
    Abstract: A product for use with a turbocharger is disclosed. According to a number of variations, the product may include a bearing housing with a bearing assembly positioned in the bearing housing. A shaft may extend through the bearing assembly for rotation. A turbine wheel may be exposed to high temperature exhaust gases and may be connected to the shaft. The product may include a number of features to manage heat transfer and protect the bearing assembly from excessive temperatures that may otherwise result from exposure to the exhaust gases.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 15, 2015
    Assignee: BorgWarner Inc.
    Inventors: Michael Bucking, Raj Chandramohanan
  • Patent number: 9181953
    Abstract: A method for improving the energy efficiency of a pump system. The method includes measuring an instantaneous power consumption of the pump system, measuring an instantaneous fluid flow rate of the pump system, and determining an instantaneous specific energy consumption (SEC) of the pump system based on the instantaneous power consumption and the instantaneous fluid flow rate. The method then adjusts the speed of a pump in response to the determined SEC. The above steps may be performed a number of times to seek a reduced value of the instantaneous SEC of the pump system.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: November 10, 2015
    Assignee: SPECIFIC ENERGY
    Inventors: Perry C. Steger, David Mark Pierce
  • Patent number: 9169738
    Abstract: A shaft seal of the rotating wheel shaft of a turbomachine includes a rotating wheel-side seal and a bearing-side seal between the bearing housing and the shaft. An oil outlet chamber is arranged between the rotating wheel-side seal and the bearing-side seal. The oil outlet chamber is delimited by a third seal between the bearing housing and the shaft, and a gas discharge chamber is arranged between the third seal and the rotating wheel-side seal. The construction is actively cooled by means of at least one splash oil bore in the region of the oil drain channel, as a result of which coking of the shaft seal can be prevented. The third seal separates the oil issuing from the oil outlet chamber from the gas issuing from the gas discharge chamber.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: October 27, 2015
    Assignee: ABB TURBO SYSTEMS AG
    Inventors: Joel Schlienger, Matthias Kies, Patrick Aberle, Gerd Mundinger
  • Patent number: 9163523
    Abstract: One embodiment is an apparatus including a bearing housing mechanically coupled to a compressor housing on a first side and to a turbine housing on a second side. The compressor housing has a compressor outlet and the turbine housing has a fluid outlet. A first flow path fluidly connects the compressor outlet to a first circumferential channel formed between the bearing housing and the compressor housing. A fifth flow path fluidly connects the fluid outlet to a second circumferential channel formed between the bearing housing and the turbine housing. A third fluid flow path fluidly connects the first circumferential channel to the second circumferential channel. The apparatus further includes a fluid conduit that fluidly connects the fluid outlet to an actuator.
    Type: Grant
    Filed: June 25, 2012
    Date of Patent: October 20, 2015
    Assignee: Cummins Inc.
    Inventor: Dale G. Gibby
  • Patent number: 9158235
    Abstract: There is provided a developing apparatus which, when using a conveying member having a resin-made rotation shaft member, is capable of preventing fusion and adhesion of a toner in a vicinity of a bearing resulting from friction between the rotation shaft member and the bearing. A developing apparatus includes a developing tank; a first developer conveying section and a second developer conveying section; a first bearing and a second bearing; a first temperature rise suppression section and a second temperature rise suppression section which a have higher thermal conductivity than those of a first rotation shaft member and a second rotation shaft member as well as those of the first bearing and the second bearing; and a deflection suppression belt which is stretched out by the first temperature rise suppression section and the second temperature rise suppression section.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: October 13, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Tomomi Tanaka
  • Patent number: 9127690
    Abstract: A support housing for a turbocharger is provided. The support housing may include an end wall with a first side and a second side, and a protrusion extending from the first side of the end wall in a first direction and configured to receive the turbocharger. The support housing may also include a plurality of side walls extending from the second side of the end wall in a second direction opposite the first direction. The plurality of side walls together with the end wall may form a generally hollow enclosure. The support housing may also include a first mounting flange disposed at distal edges of the plurality of side walls and configured to engage an engine, and a first center opening disposed in the end wall and passing from the first side to the second side.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: September 8, 2015
    Assignee: Electro-Motive Diesel, Inc.
    Inventor: Russell Adam Knaack
  • Patent number: 9121300
    Abstract: A variable geometry turbocharger includes a bearing housing rotatably supporting a turbine impeller; and an exhaust nozzle changing the flow rate of an exhaust gas supplied to the turbine impeller, wherein the exhaust nozzle has an exhaust inlet wall disposed at the bearing housing side, the turbocharger has a seal member exhibiting a ring shape and sealing a gap formed between the bearing housing and the exhaust inlet wall, and an inner circumferential edge of the seal member firmly contacts the bearing housing and an outer circumferential edge of the seal member firmly contacts the exhaust inlet wall.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: September 1, 2015
    Assignee: IHI CORPORATION
    Inventor: Yoshimitsu Matsuyama
  • Patent number: 9109626
    Abstract: A bearing support that includes a body through which a bore extends and a plurality of grooves formed in a wall of the bore. Each groove extends from a first end of the bore and terminates prior to a second end of the bore. A bearing can be secured within the bearing support by injecting adhesive into one or more of the grooves.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: August 18, 2015
    Assignee: Dyson Technology Limited
    Inventor: David Ions
  • Patent number: 9103271
    Abstract: Embodiments may provide an exhaust gas management arrangement for an engine. The exhaust gas management arrangement may include a port disposed to capture an exhaust gas leaked from a movable portion of an exhaust gas flow directing mechanism. The arrangement may also include a passage to direct the leaked exhaust gas to a crankcase of the engine.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: August 11, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: David Karl Bidner, Christopher House, Chad Stateler
  • Patent number: 9080462
    Abstract: A turbocharger is provided with a bearing housing having a housing body supporting a rotor shaft in a rotatable state and having a bearing hole formed therein. An oil jacket is formed in the lower half portion of the housing body. A water jacket is formed in the upper half portion of the housing body, without protruding into the lower half portion.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: July 14, 2015
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventor: Tsuyoshi Uesugi
  • Patent number: 9046036
    Abstract: A turbocharger bearing cartridge can include a bearing with an inner race, an outer race and rolling elements disposed between the inner race and the outer race; a journal bearing; and a shell that includes an interior, compressor side annular surface configured to seat the outer race of the bearing and an interior, turbine side annular surface configured to seat the journal bearing.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: June 2, 2015
    Assignee: Honeywell International Inc.
    Inventor: Dominique Petitjean
  • Publication number: 20150147204
    Abstract: A turbocharger has an exhaust gas turbine, a fresh-air compressor and a bearing seat. A rotor shaft that is equipped with the turbine and the compressor wheel is rotatably mounted in the bearing seat by way of at least one radial bearing. The radial bearing is a floating bush bearing with a hollow-cylindrical floating bush body positioned between a bearing seat of the bearing housing and the rotor shaft. The floating bush body is provided with a defined imbalance in order to counteract an imbalance of the turbo rotor.
    Type: Application
    Filed: May 24, 2013
    Publication date: May 28, 2015
    Applicant: CONTINENTAL AUTOMOTIVE GMBh
    Inventors: Ralf Boening, Ralph-Maurice Koempel, Christian Schmidt, Juergen Krottenthaler, Stefan Reuter
  • Patent number: 9038382
    Abstract: A turbocharger arrangement in an internal combustion engine is provided. The turbocharger arrangement includes a turbocharger housing surrounding a sealed inner space and a shaft extending through the turbocharger housing. The turbocharger arrangement further includes a turbine wheel arranged on the shaft and driving a compressor unit, a bearing arrangement mounting the shaft in the turbocharger housing, an oil supply device lubricating the bearing arrangement, and a pressure changing unit in fluidic communication with the sealed inner space configured to adjust the pressure in the sealed inner space based on engine operating conditions.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: May 26, 2015
    Assignee: Ford Global Technologies, LLC
    Inventors: Ludwig Stump, Bernd Schumacher, Marco Marceno, Jan Linsel, Kay Hohenboeken, Oliver Berkemeier, Jens Wojahn, Klemens Grieser
  • Patent number: 8997487
    Abstract: A turbocharger for an internal combustion engine, comprising a bearing housing, a rotating shaft coupled to the bearing housing, a compressor wheel mounted at one end of the rotating shaft, a compressor housing accommodating the compressor wheel and provided with an inlet and an outlet for an air stream, a turbine wheel mounted at the opposite end of the rotating shaft, and a turbine housing accommodating the turbine wheel and provided with an inlet and an outlet for an exhaust gas stream, wherein the bearing housing comprises a fastening flange suitable to be fixed to a component of the internal combustion engine, wherein the turbine housing is provided with a connecting pipe for fluidly connecting the turbine housing inlet with an exhaust manifold of the internal combustion engine, and wherein the connecting pipe includes means, for compensating axial thermal deformations thereof.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: April 7, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Hans H. Drangel, Lorenzo Magro, Luca Trabucchi
  • Patent number: 8991176
    Abstract: A turbocharger for an internal combustion engine includes a shaft, a first turbine wheel, a compressor wheel, and a second turbine wheel. The shaft includes a first end and a second end and is supported for rotation about an axis. The first turbine wheel is mounted on the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. The compressor wheel is mounted on the shaft between the first and second ends and configured to pressurize an airflow being received from the ambient for delivery to the engine. The second turbine wheel is mounted on the shaft proximate to the second end and configured to be rotated about the axis by a pressurized fluid. An internal combustion engine employing such a turbocharger is also disclosed.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: March 31, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Louis P. Begin, Carnell E. Williams
  • Patent number: 8991175
    Abstract: A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a thrust wall. The bearing housing includes a journal bearing disposed within the bore. The turbocharger also includes a shaft supported by the journal bearing for rotation about an axis within the bore. The turbocharger also includes a turbine wheel fixed to the shaft and configured to be rotated about the axis by the engine's post-combustion gasses. The turbocharger additionally includes a compressor wheel fixed to the shaft and configured to pressurize an ambient airflow. Furthermore, the turbocharger includes a thrust bearing assembly pressed onto the shaft and configured to transmit thrust forces developed by the turbine wheel to the thrust wall. Pressing the thrust bearing assembly onto the shaft minimizes radial motion between the thrust bearing assembly and the shaft. An internal combustion engine employing such a turbocharger is also disclosed.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: March 31, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Carl Eric Fonville, Louis P. Begin
  • Publication number: 20150086396
    Abstract: A turbocharger is disclosed for use with an engine. The turbocharger may include a housing at least partially defining a compressor shroud and a turbine shroud. The turbocharger may also include a compressor wheel disposed within the compressor shroud, a shaft connected to the compressor wheel, and a turbine wheel disposed within the turbine shroud and connected to an end of the shaft opposite the compressor wheel. The turbine wheel may have a generally annular hub, and a plurality of blades disposed radially around the hub. Each of the plurality of blades may include an airfoil having a hub face connected to the hub, a shroud face opposite the hub face and oriented towards the turbine shroud, a trailing edge, and a leading edge opposite the trailing edge. The leading edge may be substantially straight or substantially concave in a meridional plane. An angle between a base of the hub and the leading edge may be about 25-55 degrees.
    Type: Application
    Filed: September 26, 2013
    Publication date: March 26, 2015
    Applicant: Electro-Motive Diesel Inc.
    Inventor: Shakeel Nasir
  • Patent number: 8979508
    Abstract: A variable-vane assembly for a turbocharger includes an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into the bore of the turbine housing and having a nozzle portion extending radially out from one end of the tubular portion and being axially spaced from the nozzle ring with the vanes therebetween, and an annular retainer ring disposed radially outward of the nozzle ring and extending generally radially inwardly. The nozzle ring's face is stepped, and a radially inner edge of the retainer ring engages the face of the nozzle ring radially outward of the step, the radially inner edge of the retainer ring having an axial thickness that is less than the step height such that a remaining portion of the step is presented to the exhaust gas flowing through the nozzle.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: March 17, 2015
    Assignee: Honeywell International Inc.
    Inventors: Julien Mailfert, Nicolas Morand, Calogero Beltrami
  • Patent number: 8966895
    Abstract: A turbocharger assembly includes a center housing rotating assembly, which comprises a center housing, bearings housed in the center housing, a shaft rotatably supported in the bearings, and compressor and turbine wheels affixed to opposite ends of the shaft; an engine cylinder head and a housing member formed together as a one-piece integral structure, wherein the housing member defines a compressor volute that receives compressed air from the compressor wheel, a turbine volute for receiving exhaust gas from the engine, a turbine nozzle for directing exhaust gas from the turbine volute into the turbine wheel, and a turbine contour; a compressor contour plug that defines an axial inlet for the compressor and a compressor contour; and a wastegate unit operable for allowing exhaust gas to bypass the turbine wheel when the wastegate unit is open and preventing exhaust gas from bypassing the turbine wheel when the wastegate unit is closed.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: March 3, 2015
    Assignee: Honeywell International Inc.
    Inventors: Manuel Marques, Jean-Jacques Laissus, Mani Palaniyappan, Alain Lombard, Quentin Roberts, Johann Kurtzmann, Aitor Herrera Celaya, Nicolas Serres
  • Patent number: 8966894
    Abstract: An turbocharger cartridge and engine cylinder head assembly includes a turbocharger cartridge that includes some but not all of the components of a turbocharger, while the engine cylinder head provides the components of the turbocharger that are not included in the cartridge. The cartridge includes a center housing rotating assembly having a shaft that joins a turbine wheel to a compressor wheel, the shaft passing through bearings housed in the center housing. The engine cylinder head defines a receptacle that receives the cartridge. The head also defines a diffuser and volute for the compressor, and a turbine volute. The cartridge defines a turbine nozzle and turbine contour, and further includes a wastegate unit as a part of the cartridge.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: March 3, 2015
    Assignee: Honeywell International Inc.
    Inventors: Manuel Marques, Jean-Jacques Laissus, Alain Lombard, Mani Palaniyappan, Quentin Roberts
  • Patent number: 8961151
    Abstract: A turbocharger shaft interconnects the compressor impeller and the turbine wheel and a bearing housing between the compressor and turbine houses a bearing assembly supporting the turbocharger shaft rotation. A shaft bore defined in at least one of the compressor, turbine or bearing housings receiving the shaft. A sealing arrangement for restricting leakage of lubricant along the shaft bore from the bearing housing to the compressor or turbine housing. The sealing arrangement comprises at least one sealing ring around the shaft in the shaft bore and a gas passage communicating with the shaft bore. A gas distribution circuit includes a valve movable between a first position in which gas passage is in communication with a gas supply path for supplying gas to the shaft bore and a second position in which the gas passage is in communication with a vent path for venting gas from the shaft bore.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: February 24, 2015
    Assignee: Cummins Ltd.
    Inventors: Fahim Ismail Patel, James Alexander McEwen
  • Patent number: 8955318
    Abstract: A turbocharger cartridge and engine cylinder head assembly includes a turbocharger cartridge having a center housing defining a bore therethrough, bearings housed in the bore, a shaft rotatably supported in the bearings, a compressor wheel affixed to one end of the shaft, and a turbine wheel affixed to an opposite end of the shaft. The engine cylinder head defines a receptacle in which the turbocharger cartridge is disposed. The cartridge defines a cartridge oil circuit and the engine cylinder head defines an engine oil circuit. An oil circuit connector plug is removably installed in a socket in the head, the plug defining a connector passage that mates up with an oil supply conduit in the engine cylinder head and with an oil supply passage in the center housing such that oil is conducted from the oil supply conduit through the connector passage to the bore.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: February 17, 2015
    Assignee: Honeywell International Inc.
    Inventors: Manuel Marques, Michael Ladonnet, Alain Lombard, Johann Kurtzmann
  • Publication number: 20150013332
    Abstract: A turbocharger is disclosed for use with an engine system. The turbocharger may have a housing at least partially defining a compressor shroud and a turbine shroud. The turbine shroud may form a first volute and a second volute, each having an inlet configured to receive exhaust from an exhaust manifold of the engine in a tangential direction, and an axial channel disposed downstream of the inlet. The turbocharger may also have a turbine wheel disposed within the turbine shroud and configured to receive exhaust from the axial channels of the first and second volutes, a compressor wheel disposed within the compressor shroud, and a shaft connecting the turbine wheel to the compressor wheel. The turbocharger may further have a nozzle ring in fluid communication with the axial channels of the first and second volutes at a location upstream of the turbine wheel.
    Type: Application
    Filed: July 10, 2013
    Publication date: January 15, 2015
    Inventors: Shakeel NASIR, Joshua David SCHUELER
  • Patent number: 8894285
    Abstract: A charging device may include a shaft rotatably mounted on at least one slide bearing in a shaft bearing region. At least one flow opening for introducing and discharging a fluid may be defined on the shaft bearing region, wherein the shaft in the shaft bearing region may have two outer portions each running in a circumferential direction and axially binding an inner portion. At least one of the outer portions on its surface may include at least one microstructure.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: November 25, 2014
    Assignee: Bosch Mahle Turbo Systems GmbH & Co. KG
    Inventors: Thanh-Hung Nguyen-Schaefer, Heinz Bernd Haiser, Martin Knopf
  • Patent number: 8882478
    Abstract: A motor stator 9b and a flange portion 41 are integrally formed with each other, so that a stator assembly is formed. The flange portion 41 extends outward from a coil arrangement portion of the motor stator 9b in a radial direction, and at least a part of a radial outer face 41a of the flange portion 41 is exposed to the outside of a housing 7. The position of the stator assembly 12 can be adjusted with respect to the housing 7 in a circumferential direction along a circle that has an axial center of a rotating shaft 11 as a center thereof. A wiring hole 41b through which a cable passes is formed in the flange portion 41, and the wiring hole 41b is opened at the radial outer face 41a of the flange portion 41.
    Type: Grant
    Filed: May 26, 2008
    Date of Patent: November 11, 2014
    Assignee: IHI Corporation
    Inventor: Masahiro Shimizu
  • Patent number: 8863514
    Abstract: The present invention relates to a multi-stage turbocharger arrangement (1), having a high-pressure turbocharger (20) which has a turbine housing (26A), a bearing housing (27A), a compressor housing (28A); and having a low-pressure turbocharger (21) which has a turbine housing (26B), a bearing housing (27B), a compressor housing (28B); wherein the turbine housings (26A, 26B) are combined to form at least one turbine housing unit (26), and/or wherein the bearing housings (27A, 27B) are combined to form at least one bearing housing unit (27), and/or wherein the compressor housings (28A, 28B) are combined to form at least one compressor housing unit (28).
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: October 21, 2014
    Assignee: BorgWarner Inc.
    Inventors: Volker Joergl, Timm Kiener, Wolfgang Wenzel, Thomas Kritzinger
  • Patent number: 8857180
    Abstract: A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a semi-floating bearing disposed within the bore. The turbocharger also includes a shaft having a first end and a second end, wherein the shaft is supported by the bearing for rotation about an axis within the bore. The turbocharger also includes a turbine wheel fixed to the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. Additionally, the turbocharger includes a compressor wheel fixed to the shaft proximate to the second end and configured to pressurize an airflow being received from the ambient for delivery to the engine. Furthermore, the turbocharger includes a plate secured within the bearing housing and configured to prevent rotation of the bearing about the axis. An internal combustion engine employing such a turbocharger is also disclosed.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: October 14, 2014
    Assignee: GM Global Technology Operations LLC
    Inventors: Louis P Begin, Brian J. Edwards
  • Patent number: 8814538
    Abstract: A turbocharger using a high speed rolling element bearing system is improved in desired speed and life by providing an insulating spacer, with a thermal conductivity lower than that of the material in the inner race of the REB, between the turbine-end of the inner race of the bearing system and the compressor-end face of the piston ring boss to impede the flow of heat from the turbine wheel to the inner race of the rolling element bearing.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: August 26, 2014
    Assignee: BorgWarner Inc.
    Inventors: Timothy House, Paul Diemer, Allan Kelly, Augustine Cavagnaro
  • Patent number: 8807840
    Abstract: A turbocharger uses a high speed rolling element bearing system. An exemplary rolling element bearing system includes a polymer sleeve to impede the flow of heat from the bearing housing into the outer race of the rolling element bearing system. In a second embodiment of the invention, the sleeve is supported by an oil film. In a third embodiment of the invention, the bearing cartridge is damped by a damping medium which also connects the bearing cartridge to the bearing housing.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: August 19, 2014
    Assignee: BorgWarner Inc.
    Inventors: Timothy House, Paul Diemer, Allan Kelly, Augustine Cavagnaro
  • Patent number: 8739528
    Abstract: A hybrid exhaust turbine turbocharger includes which a silencer-connected to an intake system of an internal combustion engine and supported by a casing via a compressor unit is provided upstream of the compressor unit, and in which a shell housing having a recess, accommodating a generator, therein is provided in a midsection of the silencer, an oil reservoir that holds a lubricant having lubricated a bearing disposed within the generator and dripped from the generator is formed at a bottom section of the shell housing, and the lubricant accumulated in the oil reservoir is returned by gravity to an oil tank disposed downstream via a lubricant discharge tube that communicates with the oil reservoir.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: June 3, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventor: Keiichi Shiraishi
  • Patent number: 8734130
    Abstract: An exemplary anisotropic member supports a semi-floating bearing in a bore and can reduce non-synchronous vibration of the bearing in the bore. An anisotropic member can include an annular body configured to receive a semi-floating bearing and to space the bearing a distance from a bore surface and can be configured to impart anisotropic stiffness and damping terms to the semi-floating bearing when positioned in the bore. Such a member is suitable for use in a rotating assembly for a turbocharger where the bearing may be a semi-floating bearing. Various exemplary members, bearings, housings, assemblies, etc., are disclosed.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: May 27, 2014
    Assignee: Honeywell International Inc.
    Inventors: Walter Lee Meacham, Kostandin Gjika, Mohsiul Alam, Gerald D. LaRue
  • Publication number: 20140134015
    Abstract: A variable-vane assembly for a turbocharger includes an annular nozzle ring supporting an array of rotatable vanes, an insert having a tubular portion sealingly received into the bore of the turbine housing and having a nozzle portion extending radially out from one end of the tubular portion and being axially spaced from the nozzle ring with the vanes therebetween, and an annular retainer ring disposed radially outward of the nozzle ring and extending generally radially inwardly. The nozzle ring's face is stepped, and a radially inner edge of the retainer ring engages the face of the nozzle ring radially outward of the step, the radially inner edge of the retainer ring having an axial thickness that is less than the step height such that a remaining portion of the step is presented to the exhaust gas flowing through the nozzle.
    Type: Application
    Filed: November 12, 2012
    Publication date: May 15, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Julien Mailfert, Nicolas Morand, Calogero Beltrami
  • Patent number: 8628247
    Abstract: A turbocharger is provided with a rotor shaft, a bearing housing in which a bearing hole is formed, and a bearing member of the semi-floating type arranged in the bearing hole and supporting the rotor shaft in a rotatable state. The bearing member has a first bearing portion and a second bearing portion spaced at a predetermined interval in the axial direction of the rotor shaft, in its inner periphery. A region between the first bearing portion and the second bearing portion in the inner periphery of the bearing member, and an outer periphery of the rotor shaft constitute an oil passage for supply of lubricant oil to inside surfaces of the first and second bearing portions. Oil grooves to suppress the whirl vibration are formed in each of the inside surfaces of the first and second bearing portions. The oil grooves are closed in part.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: January 14, 2014
    Assignee: Kabushiki Kaisha Toyota Jidoshokki
    Inventor: Tsuyoshi Uesugi