[특허]System and method for storing crankcase gases to improve engine air-fuel control

[미국특허] System and method for storing crankcase gases to improve engine air-fuel control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-017/04
출원번호	US-0176198 (2008-07-18)
등록번호	US-8353276 (2013-01-15)
발명자 / 주소	Lewis, Donald J. Hepburn, Jeffrey Scott
출원인 / 주소	Ford Global Technologies, LLC
인용정보	피인용 횟수 : 6 인용 특허 : 24

초록

A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially suited for single boiling point fuels because it allows the storage of such fuels until the fuel can be opportunistically combusted.

대표청구항 ▼

1. A method for processing gases from a crankcase of an engine, comprising: purging gases from the crankcase to an intake while bypassing a canister for a first duration; thenstoring gases from the crankcase in the canister for a second duration; thenpurging the stored gases from the canister for a third duration; anddelivering exhaust-heated fresh air to the canister during the third duration. 2. The method of claim 1 further comprising moving the gases from the crankcase during predetermined engine operating conditions. 3. The method of claim 2 wherein the predetermined engine operating conditions comprise a temperature of the engine. 4. The method of claim 3 wherein the temperature of the engine is a coolant or oil temperature. 5. The method of claim 1 further comprising moving the gases from the crankcase to the intake while purging the stored gases from the canister. 6. The method of claim 1 wherein an amount of fuel delivered to the engine by fuel injection is decreased when purging the stored gases from the canister. 7. The method of claim 1 wherein a controller adjusts an average position of a valve during a time interval to regulate flow of gases from the canister to the engine. 8. The method of claim 1 further comprising adjusting a position of a valve to control a purge rate of gases from the canister; and combusting the purged gases in the engine. 9. A method for processing gases from a crankcase of an engine comprising: purging gases from the crankcase to an intake while bypassing a canister for a first duration; thenstoring gases from the crankcase in the canister for a second duration; then purging the stored gases from the canister for a third duration, wherein one or more of the first, second, and third durations are based on a fuel alcohol content. 10. The method of claim 1 wherein purge gases from the canister are introduced to the engine downstream of an intake throttle. 11. A method for processing gases from a crankcase of an engine, comprising: purging gases from the crankcase to an intake while bypassing a canister for a first duration; thenstoring gases from the crankcase in the canister for a second duration; then purging the stored gases from the canister for a third duration, wherein purge gases from the canister are introduced to the engine downstream of an intake throttle, and wherein fresh air from upstream of the intake throttle is routed through the canister to purge the canister.

이 특허에 인용된 특허 (24) 인용/피인용 타임라인 분석

Re Ron (Wilmington DE), Adjustable ambient air filtering system and pollution control device.
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Saruwatari Masayuki,JPX ; Furuya Junichi,JPX, Apparatus and method for processing fuel vapor in internal combustion engine.
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Yamazaki Ryutarou (Tokyo JPX), Apparatus for controlling evaporated fuel in an internal combustion engine having a supercharger.
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Asanuma, Hiroshi; Konohara, Hirokazu, Blowby gas returning device.
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Bugin ; Jr. Marion (Troy MI) Dawson Gary D. (Rochester MI) Franks Kerry D. (Lafayette CO) Geiss Richard O. (Dexter MI) Kerska Donald H. (Royal Oak MI), Canister purge for turbo engine.
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Hideaki Watase,SGX ITX 556114 ; Vallejos Dalupan Romulo,PHX ITX 1300 ; Lay Tan Slew,SGX ITX 470131, Combustion enhancing apparatus and method.
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Enright Bernard F. (Wauwatosa WI), Crankcase pressure regulation system for an internal combustion engine.
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Stockhausen, William F.; Natkin, Robert Jay; Reams, Lowell, Crankcase ventilation system for a hydrogen fueled engine.
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Wakahara,Keiji, Device for detecting malfunction in evaporated gas purging system.
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Oshins, Jacob; Plante, Stephane G.; Thornton, Andrew J., Dynamically configuring resources for cycle translation in a computer system.
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Takayama Kengo (Atsugi JPX), Engine control with positive crankcase ventilation.
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Nagaishi, Hatsuo; Nakazawa, Takashi; Abe, Kazuhiko, Estimation of oil-diluting fuel quantity of engine.
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Ito, Yukikazu; Hirose, Kiyoo; Honda, Koji, Evaporative fuel processing system for in-cylinder fuel injection type internal combustion engine and method.
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Oshimi,Youichi; Abe,Kazuhiko, Fuel properties estimation for internal combustion engine.
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Confer, Keith Allen; Newman, Thomas Wayne; Braun, Charles Wilson; Brosseau, Michael Roland; Smith, Daniel Frederick; Lamb, Curtis David, Low evaporative emissions integrated air fuel module.
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Knowles, Desmond, Method and apparatus for treating crankcase emissions.
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Huff Shean P. ; Li Zhong, Method of compensating for boil-off alcohol in a flexible fueled vehicle without a PCV solenoid.
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Raymond John Hill AU, Purge fuel flow rate determination method.
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Leone,Thomas G.; Surnilla,Gopichandra, Purge system for ethanol direct injection plus gas port fuel injection.
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Robert A. Walker, Jr., Remote air-oil separator.
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Kim, In-Tak, System and method for treating blow-by gas in a PCV system of an internal combustion engine.
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Kabat, Daniel Michael; Kotwicki, Allan Joseph; Stoll, Bryan Christopher; Shaikh, Furqan Zafar; Tabaczynski, Rodney John, Valve assembly and method for controlling flow of gases from an engine crankcase to an engine intake manifold.
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Kabat, Daniel Michael; Kotwicki, Allan Joseph; Stoll, Bryan Christopher; Shaikh, Furqan Zafar; Tabaczynski, Rodney John, Valve assembly and method for controlling flow of gases from an engine crankcase to an engine intake manifold.
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Manookian ; Jr. Arman K. (2875 Terrell Ave. Oceanside NY 11572-1151), Vapor separating device.
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이 특허를 인용한 특허 (6) 인용/피인용 타임라인 분석

Murate, Nobuyuki; Mitani, Shinichi, Blowby gas handling assembly for internal combustion engine.
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Monros, Serge V., Multi-fuel system for internal combustion engines.
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Pursifull, Ross Dykstra, System and method for gas purge control.
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Bidner, David Karl, System and method for reducing friction in engines.
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Lewis, Donald J.; Hepburn, Jeffrey Scott, System and method for storing crankcase gases to improve engine air-fuel control.
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Lewis, Donald J.; Hepburn, Jeffrey Scott, System and method for storing crankcase gases to improve engine air-fuel control.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] System and method for storing crankcase gases to improve engine air-fuel control 원문보기