Patents Issued in January 17, 2019
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Publication number: 20190017411Abstract: A gas turbine having a wet compression device which allows droplets of an aqueous liquid mixture to be introduced into a compressor of the gas turbine during operation of the gas turbine, the aqueous liquid mixture containing at least one surfactant. The aqueous liquid mixture additionally contains at least a defoaming agent, and the gas turbine has a second metering device, which is designed to feed a predetermined quantity of defoaming agent into water which is provided for use in the wet compression device.Type: ApplicationFiled: November 9, 2016Publication date: January 17, 2019Applicant: Siemens AktiengesellschaftInventors: Gerhard Hülsemann, Nicolas Savilius
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Publication number: 20190017412Abstract: A flow metering and retention system includes a first disk that is annular in shape surrounding a centerline and extending axially along the centerline, a first coverplate axially rearward of the first disk with the first coverplate having an axially rearward extending arm, a second disk that is annular in shape surrounding the centerline and rearward of the first coverplate, a second coverplate at least partially between the first coverplate and the second disk; and a ring adjacent to the radially outer side of the slot of the second disk. The second disk has a slot into which the arm of the first coverplate extends with the slot having a radially outer side and a radially inner side, and the ring is configured to meter air flowing between the radially outer side of the slot and the arm of the first coverplate.Type: ApplicationFiled: July 13, 2017Publication date: January 17, 2019Inventors: Dalton C. Petrillo, Christopher M. Juh
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Publication number: 20190017413Abstract: A method of fabricating and repairing a gas turbine component having a plurality of cooling holes defined therein is provided. The method includes determining a parameter of a first cooling hole defined in the gas turbine component, and generating a tool path for forming a protective cap around the first cooling hole. The tool path is based at least partially on the parameter of the first cooling hole. The method also includes directing a robotic device to follow the tool path, and discharging successive layers of ceramic slurry towards the gas turbine component as the tool path is followed such that the protective cap is formed around the first cooling hole.Type: ApplicationFiled: September 17, 2018Publication date: January 17, 2019Inventors: Vadim Bromberg, Jonathan Matthew Lomas, Hongqiang Chen
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Publication number: 20190017414Abstract: A component for a gas turbine engine includes a compartment housing that redirects oil from at least one passage in a rotational component onto a backside of a seal land.Type: ApplicationFiled: September 11, 2018Publication date: January 17, 2019Applicant: United Technologies CorporationInventors: Garth J. Vdoviak, JR., Gary L. Grogg
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Publication number: 20190017415Abstract: A method of constructing a gas turbine system may include placing a foundation interface of a gas turbine mannequin on a foundation, aligning the gas turbine mannequin with a load and connecting the gas turbine mannequin to the load. The method may include constructing a pipeline and connecting the pipeline to the gas turbine mannequin. The method may include placing a foundation interface of a gas turbine mannequin on a foundation, aligning the gas turbine mannequin with an exhaust structure and connecting the gas turbine mannequin to the exhaust structure. The method also includes removing the gas turbine mannequin and installing a gas turbine.Type: ApplicationFiled: June 5, 2018Publication date: January 17, 2019Inventors: Nicholas DEMIANOVICH, Jean-Marie DESCHAMPS, Keegan Saunders O'Donnell, Jeffrey Patrick MILLS
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Publication number: 20190017416Abstract: A steam turbine drain structure includes a drain pocket for collecting drain water generated in a steam turbine, and a drain hole communicating with the lower side of the drain pocket. The steam turbine drain structure further includes a drain pan arranged below the exit of the drain hole and configured to collect drain water discharged from the drain hole, and a connection pipe one end of which is connected to the bottom portion of the drain pan and the other end of which is connectable to piping laid outside the steam turbine.Type: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Inventors: Takumi SHIGA, Naoto KUBO
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Publication number: 20190017417Abstract: A supercritical CO2 power generating system prevents cold-end corrosion capable of improving reliability against cold-end corrosion by including a recirculation pump. Part of the working fluid heated in the low-temperature-side external heat exchanger using the recirculation pump is mixed with the low-temperature working fluid at the rear end of the pump, to heat the working fluid above the temperature of the dewpoint of the waste heat gas. The heated working fluid is then supplied to the external heat exchanger. By reducing the cold-end corrosion phenomenon of the low-temperature-side external heat exchanger, the life of the external heat exchanger can be increased and the reliability of the external heat exchanger and the supercritical CO2 power generating system can be improved.Type: ApplicationFiled: July 9, 2018Publication date: January 17, 2019Inventor: Song Hun Cha
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Publication number: 20190017418Abstract: A system includes a waste heat recovery heat exchanger configured to heat a heating fluid stream by exchange with a heat source in a crude oil associated gas processing plant; and an Organic Rankine cycle energy conversion system. The Organic Rankine cycle energy conversion system includes a heat exchanger configured to heat a first portion of a working fluid by exchange with the heated heating fluid stream; and a cooling subsystem including one or more cooling elements each configured to cool one or more of a process stream from the crude oil associated gas processing plant and a cooling water stream for ambient air cooling by exchange with a second portion of the working fluid.Type: ApplicationFiled: August 31, 2018Publication date: January 17, 2019Applicant: Saudi Arabian Oil CompanyInventors: Mahmoud Bahy Mahmoud Noureldin, Akram Hamed Mohamed Kamel
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Publication number: 20190017419Abstract: An engine insert having an insert appendage that projects outwardly from the insert body in a direction away from the seat face, into an engine, such as to form an engine finger void between the appendage and the insert axis, in which engine finger void a finger of engine material may be positioned between the insert appendage and the insert axis.Type: ApplicationFiled: September 18, 2018Publication date: January 17, 2019Inventor: Frank J. Ardezzone
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Publication number: 20190017420Abstract: A cylinder head cover structure of an engine includes a positive crankcase ventilation (PCV) valve releasing blow-by gas from an oil separating chamber to an intake system of the engine. The oil separating chamber is included in an oil separator provided to an interior of a cylinder head cover. In the oil separating chamber, oil mist is separated and removed from the blow-by gas. The PCV valve is located between a portion of a defining wall and an exterior wall of the cylinder head cover, and supported by the defining wall and the exterior wall, the defining wall defining the oil separating chamber and the cam housing, and the exterior wall being spaced apart from the portion of the defining wall. The PCV valve is surrounded by a space communicating with the cam housing.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventors: Takashi Kashiwabara, Satoshi Nozawa, Suguru Fukui
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Publication number: 20190017421Abstract: An inertial gas-liquid impactor separator includes flow director guidance structure directing and guiding flow through the housing from the inlet to the outlet along a flow path from upstream to downstream. The flow director guidance structure may include a flow controller controlling and directing flow.Type: ApplicationFiled: September 14, 2018Publication date: January 17, 2019Applicant: CUMMINS FILTRATION IP, INC.Inventors: Stephanie F. SEVERANCE, Daniel Y. HODGES, Hamilton E. HARPER, Benjamin L. SCHECKEL, Roger L. ZOCH, Merwyn I. COUTINHO, Brian W. SCHWANDT
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Publication number: 20190017422Abstract: A system includes an engine and an exhaust conduit in communication with the engine. A water separation device has exhaust gas passageways in communication with the exhaust conduit. The water separation device has a substrate and a membrane on the substrate. The substrate is monolithic and extends around the exhaust gas passageways. The membrane is between the exhaust gas passageways and the substrate and has capillary condensation pores extending from the exhaust gas passageways to the substrate.Type: ApplicationFiled: July 13, 2017Publication date: January 17, 2019Inventor: Michael C. Bradford
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Publication number: 20190017423Abstract: Methods and systems are provided for an emission control device that includes a particulate filter with a bypass. In one example, a method includes bypassing the particulate filter when the exhaust gas has a decreased soot load and when the particulate filter has a decreased soot storage. The method further includes reducing the filter bypass flow and terminating or adjusting a deceleration fuel shut-off operation due to an exhaust temperature proximate to the particulate filter being above a threshold.Type: ApplicationFiled: July 14, 2017Publication date: January 17, 2019Inventors: Douglas Raymond Martin, John Eric Rollinger
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Publication number: 20190017424Abstract: The present invention provides for a protective sleeve for use with a reagent injection lance. The protective sleeve includes a tube having a bore therethrough. Further, the tube has a lance receiving end configured to receive a reagent injection lance and an exhaust gas chamber end that extends into an exhaust gas chamber. The tube further includes a shielding air opening located proximate to the lance receiving end and configured to receive shielding air. The shielding air enters into the bore through the shielding air opening, surrounds the lance, protecting it from the heat of the exhaust gas flow. The shielding air exits the bore through the exhaust gas chamber end.Type: ApplicationFiled: July 13, 2017Publication date: January 17, 2019Applicant: Sisu Energy & Environmental, LLCInventors: John R. Shaw, Thomas W. Boyer, Scott A. Taylor
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Publication number: 20190017425Abstract: Provided is an exhaust gas purifying apparatus including a first catalyst and a second catalyst that passes exhaust gas from the first catalyst, in which the temperature of the second catalyst can be increased in an early stage after an engine is started, and thus exhaust gas purification efficiency can be enhanced in an earlier stage than in conventional apparatuses. The apparatus includes an exhaust gas purifying catalyst that includes a first catalyst for purifying exhaust gas from an exhaust manifold and a second catalyst for purifying exhaust gas having passed through the first catalyst. The heat capacity of the first catalyst is lower than that of the second catalyst. The heat capacity of the second catalyst is 184 to 322 J/K under a temperature environment of 25° C., and that of the first catalyst is less than or equal to 20 J/K under a temperature environment of 25° C.Type: ApplicationFiled: June 28, 2018Publication date: January 17, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Norio ISHIKAWA
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Publication number: 20190017426Abstract: Methods and systems are provided for a mixer. In one example, a system may include a mixer arranged in a passage and configured to mix two dissimilar types of gases upstream of a device.Type: ApplicationFiled: July 14, 2017Publication date: January 17, 2019Inventors: Xiaogang Zhang, Jianwen James Yi
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Publication number: 20190017427Abstract: Systems and methods for diagnosing operation of a sensor of an exhaust system are presented. In one example, the systems and methods may diagnose operation of the sensor when an engine is combusting air and fuel. Further, operation of the sensor may be diagnosed when the engine is not combusting air and fuel so that vehicle occupants may not be disturbed by the diagnostic.Type: ApplicationFiled: July 12, 2017Publication date: January 17, 2019Inventor: Aed M. Dudar
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Publication number: 20190017428Abstract: There is provided an exhaust device of a straddle-type vehicle. A first muffler body is arranged at one side, at which a drive chain is not arranged, in a region at the rear of a chamber. A second muffler body is arranged at another side, at which the drive chain is arranged. A first connection pipe interconnects the chamber and the first muffler body. A second connection pipe interconnects the chamber and the second muffler body. An exhaust control valve is configured to control a flow rate of exhaust air to circulate from an exhaust port toward the first muffler body via an exhaust pipe, the chamber and the first connection pipe. A part or all of the second connection pipe is formed to have a pipe shape by two or more plate materials, and has a non-true circular cross-sectional surface shape.Type: ApplicationFiled: June 22, 2018Publication date: January 17, 2019Applicant: SUZUKI MOTOR CORPORATIONInventor: Yoshinori SUGI
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Publication number: 20190017429Abstract: An engine is provided with a cylinder block and a pump cover cooperating to define a volute chamber for a coolant pump. An impeller is connected to a drive shaft and positioned within the volute chamber. An insert is positioned within the volute chamber directly adjacent to a cutwater along a portion of the outer wall, with the insert positioned between the cutwater and the impeller. A method is provided where, in response to pre-determining a first coolant pump displacement, a first impeller is positioned within a volute chamber defined by a block and a cover. In response to pre-determining a second coolant pump displacement being less than the first displacement, an insert is affixed along the wall adjacent to the cutwater and a second impeller is positioned within the chamber.Type: ApplicationFiled: July 12, 2017Publication date: January 17, 2019Inventor: Benjamin MACDONALD
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Publication number: 20190017430Abstract: An engine apparatus is provided that includes an internal combustion engine and a cooling airflow control subsystem. The cooling airflow control subsystem includes an airflow regulator having a first component comprising one or more passageways extending through the first component, and a second component comprising one or more passageways extending through the second component, the second component mounted adjacent the first component; and an actuator operably coupled to the airflow regulator to cause relative rotation between the first and second components when actuated so that the airflow regulator can be altered between: (1) a first state in which the first and second passageways are aligned a first extent to allow a first amount of cooling airflow to reach the engine; and (2) a second state in which the first and second passageways are aligned a second extent to allow a second amount of cooling airflow to reach the engine, the first amount being greater than the second amount.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Inventors: Erich Vierkant, William D. Koenigs, Brian Philipps, Michael J. Tursky
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Publication number: 20190017431Abstract: The present disclosure relates to a turbocharged internal combustion engine which will flush dirt periodically from the heat exchange surfaces of the LT-charge air cooler by using water condensed on the heat exchange surfaces for the flushing.Type: ApplicationFiled: December 30, 2015Publication date: January 17, 2019Applicant: WÄRTSILÄ FINLAND OYInventors: Vesa HILAKARI, Juha KUJALA, Ville-Veikko MÄKINEN, Kari NIEMINEN
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Publication number: 20190017432Abstract: In an axial piston motor in which fuel and compressed combustion medium are continuously burned in a combustion chamber so as to be turned into the working fluid and successively be delivered to working cylinders, at least one of the compressor discharge valves is closed in a positively controlled manner and is opened by a compressor pressure building up in the respective compressor cylinder.Type: ApplicationFiled: January 9, 2017Publication date: January 17, 2019Applicant: GETAS Gesellschaft für thermodynamische Antriebssysteme mbHInventor: Ulrich ROHS
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Publication number: 20190017433Abstract: A linkage extends between an actuator and a valve in a turbocharger. The linkage comprises two spaced member bodies having central portions with opposing curved shapes that extend between ends translatable along and rotatable about spaced pivots. Translation of one member toward the other member compresses the central portions, increasing overall stiffness of the linkage, and translation of one member away from the other member creates a gap between the central portions, allowing independent translation of the ends along the spaced pivots to compensate for misalignment between the actuator and the valve caused by heat and vibration. Another linkage extending between an actuator and a valve in a turbocharger includes two planar spaced member bodies extending between ends translatable along and rotatable about spaced pivots. The two member bodies have different thicknesses.Type: ApplicationFiled: January 19, 2017Publication date: January 17, 2019Applicant: BorgWarner Inc.Inventors: David J. LEDGER, Sean N. HASTINGS, Thomas C. HARRIS, Jonathan R. WILLIAMS
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Publication number: 20190017434Abstract: 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: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Stefan Vogel, Stefan Lindner
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Publication number: 20190017435Abstract: A sound insulation structure includes a sound insulation cover (21-25) provided on a noise radiating member (7, 11) of the vehicle, the sound insulation cover being provided with a mounting opening (29), a spacer (30) received in the mounting opening of the sound insulation cover and provided with a central through hole (30A), and a fastening member (28, 67, 68) having a shank passed through the central through hole of the spacer and configured to fasten the sound insulation cover to the noise radiating member via the spacer. The spacer prevents the axial pressure of the fastening member from being applied to the sound insulation cover.Type: ApplicationFiled: June 25, 2018Publication date: January 17, 2019Inventors: Kazuya ISHIKI, Tomohiko NOZAKI, Kuniaki NAKAJIMA
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Publication number: 20190017436Abstract: A clutched compressor section of a gas turbine engine coupled to a rotor shaft. The clutched compressor section includes at least one decoupleable rotor stage, the decoupleable rotor stage switchable between a coupled condition and a decoupled condition with a clutch mechanism, the coupled condition coupling the decoupleable rotor stage with the rotor shaft, the decoupled condition decoupling the decoupleable rotor stage from the rotor shaft.Type: ApplicationFiled: July 17, 2017Publication date: January 17, 2019Inventors: John C. DiTomasso, Enzo DiBenedetto
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Publication number: 20190017437Abstract: A gas turbine engine includes a primary combustor, a secondary combustor, a high pressure (HP) turbine, and a mixing duct. The HP turbine is downstream of the primary combustor and fluidly connected to a rear end of the primary combustor via a first exhaust duct. The mixing duct is disposed downstream of the HP turbine and the secondary combustor. The mixing duct has a first inlet fluidly connected to the HP turbine via a turbine exit duct, a second inlet fluidly connected to a rear end of the secondary combustor via a second exhaust duct, and an outlet. The turbine exit duct directs a primary exhaust stream, which is emitted from the primary combustor and expanded through the HP turbine, into the mixing duct. The second exhaust duct directs a secondary exhaust stream emitted from the secondary combustor into the mixing duct.Type: ApplicationFiled: July 13, 2017Publication date: January 17, 2019Inventors: Venkat Eswarlu Tangirala, Aaron Glaser, Sibtosh Pal, Narendra Digamber Joshi
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Publication number: 20190017438Abstract: A turbine engine has a core with a compressor, combustor, and turbine sections in axial flow arrangement and with corresponding rotating elements mounted to a shaft defining engine rotor elements. The turbine engine has a rotary driver operably coupled to the engine rotor elements. The turbine engine has at least one thermoelectric generator in thermal communication with the core and in electrical communication with the rotary driver to provide power to the rotary driver to turn the engine rotor elements.Type: ApplicationFiled: July 12, 2017Publication date: January 17, 2019Inventors: Brandon Wayne Miller, Raymond Floyd Martell, Mark Leonard Hopper, Scott Douglas Waun
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Publication number: 20190017439Abstract: A turbomachine vane includes an electroacoustic source including two membranes fixed on a support arranged such that the membranes and the support delimit a first cavity. The membranes are arranged on two opposite sides of the first cavity between the two aerodynamic surfaces of the vane. A first of the aerodynamic surfaces includes a first region arranged facing a first of the membranes for the passage of acoustic waves. The membranes and membrane vibration device are configured such that the membranes vibrate in phase opposition and along a same emission direction by applying forces to the support such that the resultant force is approximately zero. The mechanical energy lost in the form of vane deformations due to membrane vibrations can thus be minimized.Type: ApplicationFiled: July 2, 2018Publication date: January 17, 2019Applicant: SAFRAN AIRCRAFT ENGINESInventors: Georges RIOU, Jacky Mardjono, Norman Jodet, Jeremy Gonzalez
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Publication number: 20190017440Abstract: A combustor panel may comprise a panel wall comprising a proximal surface and a distal surface. A standoff may be formed over the distal surface of the panel wall. An aperture may be formed through the standoff and may extend from a face of the standoff to the proximal surface of the panel wall. The face of the first standoff may be oriented at an angle between 90 degrees and 160 degrees relative to a plane parallel to the distal surface of the panel wall.Type: ApplicationFiled: July 17, 2017Publication date: January 17, 2019Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Steven D. Porter, Jonathan Lemoine
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Publication number: 20190017441Abstract: A gas turbine engine combustor includes a dome plate, an inner liner, and an outer liner. The inner liner and the outer liner are separately coupled to a rear side of the dome plate and both extend rearward therefrom. The outer and inner liners define an annular combustion chamber therebetween that extends rearward from the dome plate. At least one of the outer liner or the dome plate includes an igniter cavity formed therein that is separated from the combustion chamber by a partition wall. The partition wall defines one or more transfer holes therethrough that fluidly connect the igniter cavity to the combustion chamber.Type: ApplicationFiled: July 17, 2017Publication date: January 17, 2019Inventors: Krishnakumar Venkatesan, Narendra Digamber Joshi
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Publication number: 20190017442Abstract: A radial air inlet for a gas turbine engine. The air inlet has an inlet duct defined between two axially-spaced radially-extending annular walls and has a plurality of circumferentially-spaced axially-extending struts extending between the annular walls adjacent a radially-outer portion of the air inlet. At least one of the struts has an internal passage extending between a first opening in a forward end of the strut and a second opening in an aft end of the strut, the first and second openings being axially spaced apart. A transmission shaft extends through the internal passage of said strut.Type: ApplicationFiled: July 17, 2017Publication date: January 17, 2019Inventors: Ian MACFARLANE, Lazar MITROVIC
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Publication number: 20190017443Abstract: Turbine-generator systems having an auxiliary power source and methods of operating turbine-generator systems having auxiliary power sources in a high, intermittent load environment are provided. The turbine may be sized to meet substantially all the power required by the intermittent load. The auxiliary power source may have a power rating approximately equal to the power required to rotate the unloaded generator at an operational speed. The method may include decoupling the turbine from the generator, removing the load from the generator, coupling the auxiliary power source to the unloaded generator, and maintaining the operational rotational speed of the generator with the auxiliary power source.Type: ApplicationFiled: August 1, 2017Publication date: January 17, 2019Applicant: Rolls-Royce North American Technologies, Inc.Inventor: Andrew J. Eifert
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Publication number: 20190017444Abstract: A gas turbine includes a compressor, a turbine, and a combustor disposed downstream from the compressor and upstream from the turbine. The combustor includes an end cover. The combustor also includes a flange. The flange includes an internal fluid passage defined within the flange and the flange is coupled to an internal face of the end cover. A fuel port is integrally joined with the flange. The fuel port extends through the end cover between the flange and an inlet positioned outside of the end cover. The inlet of the fuel port is in fluid communication with the internal fluid passage of the flange.Type: ApplicationFiled: July 14, 2017Publication date: January 17, 2019Inventors: Subramanian Annamalai, Lucas John Stoia, Mohan Krishna Bobba
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Publication number: 20190017445Abstract: A turbofan engine according to an example of the present disclosure includes, among other things, a fan including an array of fan blades rotatable about an engine axis, a compressor including a first compressor section and a second compressor section, the second compressor section including a second compressor section inlet with a compressor inlet annulus area, a fan duct including a fan duct annulus area outboard of the second compressor section inlet, and a turbine having a first turbine section driving the first compressor section, a second turbine section driving the fan through an epicyclic gearbox, the second turbine section including blades and vanes, and wherein the second turbine section defines a maximum gas path radius and the fan blades define a maximum radius, and a ratio of the maximum gas path radius to the maximum radius of the fan blades is less than 0.6.Type: ApplicationFiled: July 2, 2018Publication date: January 17, 2019Inventors: Paul R. Adams, Shankar S. Magge, Joseph B. Staubach, Wesley K. Lord, Frederick M. Schwarz, Gabriel L. Suciu
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Publication number: 20190017446Abstract: A turbofan engine according to an example of the present disclosure includes, among other things, a fan including a circumferential array of fan blades, a compressor in fluid communication with the fan, the compressor including a first compressor section and a second compressor, the second compressor section including a second compressor section inlet with a second compressor section inlet annulus area, a fan duct including a fan duct annulus area outboard of the second compressor section inlet, a shaft assembly having a first portion and a second portion, a turbine in fluid communication with the combustor, the turbine having a first turbine section coupled to the first portion of the shaft assembly to drive the first compressor section, and a second turbine section coupled to the second portion of the shaft assembly to drive the fan, an epicyclic transmission coupled to the fan and rotatable by the second turbine section through the second portion of the shaft assembly to allow the second turbine to turn faType: ApplicationFiled: July 2, 2018Publication date: January 17, 2019Inventors: Paul R. Adams, Shankar S. Magge, Joseph B. Staubach, Wesley K. Lord, Frederick M. Schwarz, Gabriel L. Suciu
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Publication number: 20190017447Abstract: An internal combustion engine, as a drive engine for a vehicle, including an engine braking device having a throttle element which is associated with an exhaust gas section, for damming an exhaust gas which is emitted by a combustion device, and including a measuring device by means of which the exhaust gas pressure can be measured at a defined measuring region of the exhaust gas section upstream of the throttle element as seen in the exhaust gas flow direction. According to the disclosure, it is provided that at least one further measuring device is provided, by means of which the exhaust gas pressure can be measured at the defined measuring region, for realizing a redundant exhaust gas pressure measurement, and the measurement signals which are determined by means of the measuring devices can be transmitted to a controller for controlling the throttle element.Type: ApplicationFiled: June 22, 2018Publication date: January 17, 2019Inventors: Manfred Fesl, Sebastian Reichert
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Publication number: 20190017448Abstract: A system for reducing polluting emissions of diesel engines includes a hydrogen gas generator that mixes the hydrogen gas with diesel fuel during certain operations phases of the engine. A default program mixes no hydrogen gas with the diesel fuel. A first operational program, during a cold start, mixes the hydrogen gas and diesel fuel in a 1:1 ratio. A second operational program, during a stabilization phase, mixes the hydrogen gas and diesel fuel in a 1:3 ratio. A third operational program, during a hot start phase, mixes the hydrogen gas and diesel fuel in a 1:2 ratio.Type: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Inventor: Serge V. Monros
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Publication number: 20190017449Abstract: A method of calculating a residual gas mass in a cylinder of an internal combustion engine, wherein the cylinder has at least one intake valve and one exhaust valve, comprising: obtaining a cylinder residual gas mass base value that is based on a predefined model; determining a first cylinder residual gas mass value that indicates a cylinder residual gas mass remaining in the cylinder clearance volume after an expulsion of exhaust gas; determining a second cylinder residual gas mass value that indicates a cylinder residual gas mass flowing into the cylinder due to a valve overlap of the intake valve and the exhaust valve, wherein the second cylinder residual gas mass value is determined based on the cylinder residual gas mass base value and the first cylinder residual gas mass value; and calculating the residual gas mass in the cylinder, based on the first and second cylinder residual gas mass values.Type: ApplicationFiled: January 30, 2017Publication date: January 17, 2019Applicant: Volkswagen AktiengesellschaftInventors: Elmar MILLICH, Lars PETERSEN, Andre SHURKEWITSCH
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Publication number: 20190017450Abstract: A method for determining the quantity of filling components in a cylinder of an internal combustion engine. The cylinder is connected to an air supply via an inlet valve and to an exhaust gas conduit via an outlet valve. The method includes the steps of obtaining an exhaust gas back pressure at a specified point in time when the outlet valve is opened during a work cycle of the internal combustion engine and calculating the quantity of the filling components at the specified point in time on the basis of the obtained exhaust gas back pressure. A controller is also provided for carrying out the method and a motor vehicle is also provided that includes the controller.Type: ApplicationFiled: September 18, 2018Publication date: January 17, 2019Applicant: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Elmar MILLICH, Lars PETERSEN, René KLEINHANS, Andre SHURKEWITSCH, Jean-Sebastian TEMPEL
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Publication number: 20190017451Abstract: An ignition timing control apparatus for an internal combustion engine includes an electronic control unit configured to i) perform determination as to whether knocking has occurred in the engine; ii) update a first learning value and a second learning value such that the ignition timing is retarded when determining that knocking has occurred; and iii) derive, as a required ignition timing, a timing obtained by retarding a base ignition timing based on the first and second learning values. The electronic control unit is configured to update the second learning value within a range in which an update amount of the second learning value within a prescribed period set in advance does not exceed a prescribed amount, when updating the second learning value.Type: ApplicationFiled: July 10, 2018Publication date: January 17, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kenji SENDA, Rihito KANEKO, Masaya SUNAGO, Takayuki HOSOGI, Norihito HANAI, Hisayuki ITO, Masaaki YAMAGUCHI
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Publication number: 20190017452Abstract: An engine assembly includes an engine, a compressor, a turbine and a waste gate valve. A controller has a processor and a tangible, non-transitory memory on which is recorded instructions for executing a method of air path control based on an air path model. The controller is configured to determine a turbine power (Pt) as a function of a first factor (x1) and a second factor (x2). A compressor power (Pc) is determined as a function of a third factor (y1) and a fourth factor (y2). The controller is configured to control at least one of an intake throttle pressure (pth) and an intake manifold pressure (pi) by varying at least one of the first through fourth factors (x1, x2, y1, y2). The engine output is controlled based on at least one of the intake throttle and manifold pressures.Type: ApplicationFiled: July 12, 2017Publication date: January 17, 2019Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yue-Yun Wang, Ruixing Long
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Publication number: 20190017453Abstract: Methods and systems are provided for cleaning a fuel vapor storage canister positioned in an evaporative emissions control system of a vehicle. In one example, a method comprises sealing a fuel system of the vehicle for descending an altitude change that is predicted in advance, and subsequent to the vehicle descending the altitude change, unsealing the fuel system to passively purge fuel vapors stored in the fuel vapor storage canister to a fuel tank of the vehicle. In this way, bleed through emissions from the fuel vapor storage canister may be reduced, and engine operation may be improved.Type: ApplicationFiled: September 18, 2018Publication date: January 17, 2019Inventor: Aed M. Dudar
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Publication number: 20190017454Abstract: A control apparatus for an internal combustion engine according to the invention is applied to an internal combustion engine in which EGR gas and condensed water generated by an EGR cooler are supplied into a cylinder. The control apparatus calculates an equivalence ratio of the internal combustion engine, and controls an EGR valve and a condensed water supply valve such that, when the equivalence ratio is high, a supply rate of the condensed water increases and a supply rate of the EGR gas decreases relative to when the equivalence ratio is low.Type: ApplicationFiled: September 14, 2018Publication date: January 17, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki KATAYAMA, Takeshi HASHIZUME
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Publication number: 20190017455Abstract: Methods and systems are provided for adjusting spark timing and fueling in an engine in response to an indication of exhaust gas recirculation (EGR) system degradation due to a disconnected upstream hose of an EGR differential pressure sensor. In one example, a method may include, responsive to an integrated knock intensity being greater than a threshold intensity and a fuel control correction being greater than a threshold enrichment, setting an EGR rate to zero and triggering an EGR differential pressure sensor upstream hose diagnostic routine to be performed. Further, spark timing and fueling may be set for zero EGR.Type: ApplicationFiled: September 17, 2018Publication date: January 17, 2019Inventor: Chris Paul Glugla
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Publication number: 20190017456Abstract: An operator initiated control process for an engine which tests the air-to-fuel ratio of an air-fuel mixture supplied to the engine when it is in stable operation and if need be changes the air-to-fuel ratio to improve engine performance and/or meet engine exhaust emissions requirements.Type: ApplicationFiled: January 11, 2017Publication date: January 17, 2019Inventors: Martin N. Andersson, Dale P. Kus, George M. Pattullo
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Publication number: 20190017457Abstract: A controller for an internal combustion engine includes: a failure determination section which determines a failure state in a case where a relative rotation phase of an intake side valve opening and closing timing control mechanism does not change when controlling the mechanism after starting the driving of a starter motor and trying to change the relative rotation phase of the mechanism in a start control for starting an internal combustion engine. When the section determines a failure, the controller performs at least one of an intake air amount increase control in which an opening degree of a throttle valve is increased, an ignition timing advance angle control in which injection of fuel is performed at a timing earlier than a set timing and ignition is performed, and a multi-injection control in which the fuel is injected immediately before the ignition in addition to the fuel injection in an intake stroke.Type: ApplicationFiled: July 12, 2018Publication date: January 17, 2019Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Seiichi Fujimoto, Hirokazu Tanaka, Masaaki Kaneko, Tomohiro Kozaki, Suguru Kamiya, Atsushi Hanaura
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Publication number: 20190017458Abstract: A control device, a method, and a fuel pump control system are configured to recognize a fuel type. The control device for recognizing the fuel type includes a communication signal reception unit that receives a fuel type communication signal from a vehicle control device, a fuel type information storage unit that stores fuel type information determined at every vehicle start-up, and a fuel type determination unit that determines the fuel type by using the fuel type communication signal or the fuel type information stored in the fuel type information storage unit at and/or before the vehicle start-up.Type: ApplicationFiled: October 17, 2017Publication date: January 17, 2019Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Chang Ho Ham
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Publication number: 20190017459Abstract: A method for starting an internal combustion engine, having which has at least one cylinder, a controllable starter and a controllable fuel injection device, at least one cylinder, in particular every cylinder, of the internal combustion engine being assigned at least one decompression valve for reducing the compression which takes place during the operation of the internal combustion engine in the case of a compression stroke. A defined starting rotational speed is predetermined in the control unit, that, in the case of a controlled activation of the starter, the at least one decompression valve is opened in an automatically controlled manner by means of a control unit, and that the control unit detects the current rotational speed of the internal combustion engine and, when the defined starting rotational speed is reached, closes the at least one decompression valve and activates the fuel injection device.Type: ApplicationFiled: June 22, 2018Publication date: January 17, 2019Inventor: Werner Kübler
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Publication number: 20190017460Abstract: A method for operating an internal combustion engine with multiple cylinders. Each cylinder of the internal combustion engine includes at least one fuel injector, and each fuel injector is activated for opening and closing via a solenoid valve of the respective fuel injector. Structure-borne sound waves emitted by the fuel injectors and/or accelerations caused by the fuel injectors are detected by measurement. The structure-borne sound waves detected by measurement and/or the accelerations detected by measurement are evaluated, and based on the evaluation, characteristics of the fuel injectors are automatically determined.Type: ApplicationFiled: July 11, 2018Publication date: January 17, 2019Inventors: Andreas Döring, Armin Weber