[특허]Electromechanically actuated valve control for an internal combustion engine

[미국특허] Electromechanically actuated valve control for an internal combustion engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60W-010/04 F02D-009/02
출원번호	US-0551566 (2006-10-20)
등록번호	US-7367921 (2008-05-06)
발명자 / 주소	Lewis,Donald J.
출원인 / 주소	Ford Global Technologies, LLC
대리인 / 주소	Lewis,Donald
인용정보	피인용 횟수 : 2 인용 특허 : 58

초록

A system and method to control engine valve operation in an internal combustion engine. Valves are controlled to improve vehicle drivability and reduce vehicle noise.

대표청구항 ▼

The invention claimed is: 1. A method for controlling at least an electrically actuated valve to operate in at least a cylinder of an internal combustion engine, the method comprising: determining an operating condition of a transmission coupled to said internal combustion engine; selecting a number of cylinders to operate based on said determined transmission operating condition; selecting a number of electrically actuated valves to operate in said operating cylinders based on said determined transmission operating condition; and operating said internal combustion engine with said selected number of cylinders and said selected number of electrically actuated valves during a cycle of said cylinder. 2. The method of claim 1 where said selected number of cylinders operate with said selected number of valves. 3. The method of claim 2 where said transmission operating condition is a selected transmission gear. 4. The method of claim 1 further comprising selecting whether to operate one intake valve per cylinder or two intake valves per cylinder in the selected number of cylinders. 5. The method of claim 1 further comprising selecting whether to operate one exhaust valve per cylinder or two exhaust valves per cylinder in the selected number of cylinders. 6. The method of claim 1 further comprising selecting whether to operate one intake valve per cylinder, two intake valves per cylinder, or alternating intake valves per cylinder, in the selected number of cylinders. 7. The method of claim 1 further comprising selecting whether to operate two valves per cylinder or two intake valves per cylinder in the selected number of cylinders. 8. A method for controlling at least an electrically actuated valve to operate in at least a cylinder of an internal combustion engine, the method comprising: varying a number of active cylinders carrying out combustion as an operating condition of the transmission changes, and further varying a number of active electrically actuated valves in said active cylinders as said operating condition of the transmission changes. 9. The method of claim 8 where said transmission operating condition is a selected transmission gear. 10. The method of claim 8 further comprising varying the number of active electrically actuated intake valves in said active cylinders as said operating condition of the transmission changes. 11. The method of claim 10 further comprising varying the number of active electrically actuated intake valves among one active intake valve and two active intake valves per cylinder as said operating condition of the transmission changes. 12. The method of claim 8 further comprising varying the number of active electrically actuated exhaust valves in said active cylinders as said operating condition of the transmission changes. 13. The method of claim 12 further comprising varying the number of active electrically actuated exhaust valves among one active exhaust valve and two active exhaust valves per cylinder as said operating condition of the transmission changes. 14. The method of claim 8 wherein said operating condition of said transmission is a transmission oil temperature. 15. The method of claim 8 wherein said operating condition of said transmission is a gear of said transmission. 16. The method of claim 8 wherein said operating condition of said transmission is a fifth gear of said transmission. 17. The method of claim 8 wherein said operating condition of said transmission is a state of a torque converter lock-up clutch. 18. The method of claim 8 wherein said operating condition of said transmission is a torque ross of said transmission. 19. The method of claim 8 wherein said operating condition of said transmission is a position of a gear selector switch. 20. The method of claim 8 wherein said operating condition of said transmission is a current and a subsequent gear selection of said transmission.

이 특허에 인용된 특허 (58) 인용/피인용 타임라인 분석

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Lewis,Donald J.; Russell,John D.; Michelini,John O.; Cullen,Michael J., Electromechanical valve operating conditions by control method.
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Lewis,Donald J.; Michelini,John O., Electromechanically actuated valve control based on a vehicle electrical system.
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Gibson,Alex; Kolmanovsky,Ilya V., Engine air-fuel control for an engine with valves that may be deactivated.
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Lewis,Donald J.; Michelini,John O.; Cullen,Michael J.; Russell,John D., Engine breathing in an engine with mechanical and electromechanical valves.
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Tomomi Yamada JP; Isao Matsumoto JP; Kazuhiko Shiratani JP; Shouji Katsumata JP; Keiji Yoeda JP; Hideyuki Nishida JP, Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism.
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Schmitz Gunter,DEX, Method of operating an externally ignited internal-combustion engine having a regulated exhaust catalyst and electromagnetically operated cylinder valves.
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Kolmanovsky,Ilya V.; Michelini,John O., Method of torque control for an engine with valves that may be deactivated.
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Lewis,Donald J., Method to reduce engine emissions for an engine capable of multi-stroke operation and having a catalyst.
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Bauerle, Paul A.; Costin, Mark H.; Dibble, Donovan L.; Katrak, Kerfegar K.; Mehta, Vivek, Methods and apparatus for providing security for electronically-controlled cylinder activation and deactivation.
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Lewis,Donald J.; Russell,John D.; Trask,Nate, Quick starting engine with electromechanical valves.
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Lewis,Donald J.; Russell,John D.; Winstead,Vince, Reducing engine emissions on an engine with electromechanical valves.
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Richeson William E. (Fort Wayne IN), Vehicle management computer.
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Schechter Michael M., Vehicle operating method and system.
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이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

Hisaminato, Naoto; Tateno, Manabu; Kamiyama, Eiichi, Engine control apparatus.
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Willi, Martin L.; Fiveland, Scott B.; Montgomery, David T.; Gong, Weidong, Engine control system having speed-based timing.
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[미국특허] Electromechanically actuated valve control for an internal combustion engine 원문보기

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[미국특허] Electromechanically actuated valve control for an internal combustion engine 원문보기

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