[특허]Engine assembly including fluid control to boost mechanism

Engine assembly including fluid control to boost mechanism 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-033/44 F02B-039/14 F01D-025/18 F01M-009/00 F01M-005/02 F02D-041/04 F02N-011/08
출원번호	US-0267092 (2011-10-06)
등록번호	US-8959911 (2015-02-24)
발명자 / 주소	Deneszczuk, William C. Lapres-Bilbrey, Mary T. Simon, Michael Hai, Nieyuan
출원인 / 주소	GM Global Technology Operations LLC
대리인 / 주소	Harness, Dickey & Pierce, P.L.C.
인용정보	피인용 횟수 : 0 인용 특허 : 34

초록 ▼

A powertrain assembly includes an internal combustion engine, a boost mechanism and a fluid supply mechanism. The boost mechanism is in communication with an air source and the internal combustion engine. The fluid supply mechanism includes a first accumulator in communication with a pressurized fluid supply from the internal combustion engine and the boost mechanism. The accumulator receives pressurized fluid from the internal combustion engine during engine operation and provides the pressurized fluid to the boost mechanism during an engine off condition.

대표청구항 ▼

1. A method comprising: providing a pressurized fluid from an internal combustion engine to an accumulator during operation of the internal combustion engine;storing the pressurized fluid within the accumulator;providing the stored pressurized fluid to a boost mechanism in communication with an air source and the internal combustion engine during an engine off condition; andproviding the pressurized fluid to the accumulator via a first flow path and providing the pressurized fluid from the accumulator to the boost mechanism via a second flow path, the second flow path being in a parallel flow arrangement to the first flow path, a check valve allowing fluid flow to the accumulator through the first flow path and inhibiting fluid flow from the accumulator to the boost mechanism through the first flow path, and a control valve controlling fluid communication between the accumulator and boost mechanism through the second flow path. 2. The method of claim 1, wherein the control valve is a solenoid actuated valve selectively displaceable between open and closed positions and the first check valve and the control valve maintain a volume of pressurized fluid within the accumulator until the control valve is displaced to the open position. 3. A powertrain assembly comprising: an internal combustion engine;a boost mechanism in communication with an air source and the internal combustion engine;a fluid supply mechanism including an accumulator in communication with a pressurized fluid supply from the internal combustion engine and the boost mechanism, the accumulator receiving pressurized fluid from the internal combustion engine during engine operation and providing the pressurized fluid to the boost mechanism during an engine off condition; anda solenoid actuated control valve in communication with the accumulator and the boost mechanism, the solenoid actuated control valve isolating the accumulator from communication with the boost mechanism during engine operation and providing communication between the accumulator and the boost mechanism during the engine off condition,wherein the fluid supply mechanism includes a first flow path providing the pressurized fluid to the accumulator and a second flow path providing the pressurized fluid from the accumulator to the boost mechanism, the second flow path being in a parallel flow arrangement to the first flow path, the fluid supply mechanism including a check valve allowing fluid flow to the accumulator and inhibiting fluid flow from the accumulator to the boost mechanism through the first flow path, and the solenoid actuated control valve being controlled by a control unit for controlling fluid communication between the accumulator and the boost mechanism through the second flow path. 4. The powertrain assembly of claim 3, further comprising a hybrid propulsion system, the internal combustion engine providing power to propel a vehicle including the powertrain assembly during a first operating mode and the hybrid propulsion system providing power to propel the vehicle during a second operating mode. 5. The powertrain assembly of claim 3, wherein the solenoid actuated control valve provides communication between the accumulator and the boost mechanism at an engine re-start condition. 6. The powertrain assembly of claim 5, wherein the fluid supply mechanism is in communication with an engine lubrication system and the pressurized fluid includes engine oil from the engine lubrication system, the solenoid actuated control valve providing communication between the accumulator and a bearing region of the boost mechanism to provide bearing lubrication at the engine re-start condition. 7. The powertrain assembly of claim 6, wherein the boost mechanism includes a turbocharger. 8. The powertrain assembly of claim 6, wherein the fluid supply mechanism includes an additional accumulator in communication with oil from the pressurized fluid supply and provides oil to the bearing region of the boost mechanism at an engine shutdown condition to provide cooling at the bearing region at engine shutdown. 9. The powertrain assembly of claim 3, wherein the check valve and the solenoid actuated control valve maintaining a volume of pressurized fluid within the accumulator until the solenoid actuated control valve is displaced to an open position. 10. The powertrain assembly of claim 8, further comprising an additional check valve in communication with the fluid supply mechanism and the pressurized fluid supply and allowing fluid flow to the additional accumulator from the internal combustion engine and inhibiting fluid flow from the additional accumulator to the internal combustion engine.

이 특허에 인용된 특허 (34)

Baker Glenn L. (Columbus IN) Engle David R. (Paris Crossing IN) Williams Roger (North Vernon IN), Bearing system for turbocharger.
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Theobald, Mark A., Control of turbocharger lubrication for hybrid electric vehicle.
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Gordon ; Jr. ; Phillip B. ; Hunt ; Keats E., Ebullient cooled turbocharger bearing housing.
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Robinson David C.,CAX, Electric motor driven primary oil pump for an internal combustion engine.
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Nishida, Hideyuki, Electric supercharger.
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Brown M. Wayne (Sacramento CA), Engine lubrication system with shared oil filter.
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Evans John W. (Rte. 41 Sharon CT 06069), Engine prelubricator and pressurized lubricant reservoir.
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Kumm ; Emerson L., Engine turbocharger system.
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Hrler Hansulrich (Zurich CHX), Exhaust-gas turbocharger for the two-stage supercharging of an internal-combustion engine with a device to prevent losse.
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Byrne Joe L. (Torrance CA) Kobayashi Robert J. (Rancho Palso Verdes CA) Nancarrow James H. (Torrance CA), Hydraulic assist turbocharger system.
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Kistner, Bruno; Freiermuth, Bernhard; Müller, Christoph, Internal combustion engine.
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Janthur Ingo (Russelsheim DEX), Liquid cooling system for a supercharged internal combustion engine.
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Pluequet Heinz (Cologne DEX), Lubricating arrangement, especially for internal combustion engines.
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Henson Ralph B. (Creve Coeur IL), Lubricating system and method for turbocharged engines.
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Minami Shunji (Fukuroi JPX) Kimura Hiroshi (Iwata JPX), Lubricating system for turbo-chargers.
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Widenhorn Markus (Oetwil CHX), Method and apparatus for lubricating the bearings of a turbocharger.
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Henson ; Ralph B., Method for lubricating turbocharged engines.
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Woollenweber William E. ; Halimi Edward M., Motor-assisted supercharging devices for internal combustion engines.
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Evans John W. (Rte. 41 Sharon CT 06069), Pressurized lubrication assembly for machinery having a flow restrictor device.
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Evans John W. (Rte. 41 Sharon CT 06069), Pressurized lubrication assembly for the center bearing of a turbocharger.
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Swearingen Judson S. (Malibu CA), Seal-off mechanism for rotating turbine shaft.
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Sasaki Naoto (Zushi JPX), Static pressure gas bearing apparatus for turbocharger.
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Naitoh Takao (Tokyo JPX) Nakayama Seidai (Tokyo JPX), System for cooling an internal combustion engine including a turbocharger.
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Shashank, Kishor Raut; Manoj, Sharad Shete, System for providing continuous lubrication to engine turbocharger shaft and bearing arrangement.
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Squires, Richard K., Turbo system and method of installing.
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Kawamura Hideo (Samukawa JPX), Turbocharger.
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Keller Robert A. ; Austin Hayden D., Turbocharger for high performance internal combustion engines.
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Ho I-Chung (Rancho Palos Verdes CA), Turbocharger having controlled heat transfer for bearing protection.
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Elpern David G. (Los Angeles CA), Turbocharger heat transfer control method and apparatus.
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Sarle Charles R. (Noblesville IN), Turbocharger lubrication and exhaust system.
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Keller Robert A. (1604 Camberwell Pl. Westlake Village CA 91361), Turbocharger lubrication system.
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Roby, Steve, Turbocharger with reduced coking.
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Feucht Dennis D. ; Moushon Maurice E., Turbocharging apparatus including integral exhaust backpressure control means.
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Bescoby Frank A. (Rancho Palos Verdes CA) Kotchick David M. (San Pedro CA) Pollitt Stanley C. (Rancho Palos Verdes CA), Turbomachine having a unitary ceramic rotating assembly.
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