Electromechanical valve operating conditions by control method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01L-009/04
F02B-031/08
F02B-031/00
출원번호
US-0805612
(2004-03-19)
발명자
/ 주소
Lewis,Donald J.
Russell,John D.
Michelini,John O.
Cullen,Michael J.
출원인 / 주소
Ford Global Technologies, LLC
대리인 / 주소
Alleman Hall McCoy Russell &
인용정보
피인용 횟수 :
19인용 특허 :
105
초록
A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled in a manner to increase fuel economy. Further, the method can adjust valve operation to regulate valve temperature.
대표청구항▼
What is claimed is: 1. A system for selecting and controlling electrically actuated valves to operate in at least a cylinder of an internal combustion engine, the system comprising: a cylinder head of said cylinder having at least two regions, each region having an electrically actuated valve; and
What is claimed is: 1. A system for selecting and controlling electrically actuated valves to operate in at least a cylinder of an internal combustion engine, the system comprising: a cylinder head of said cylinder having at least two regions, each region having an electrically actuated valve; and a controller to select a valve operating mode, based on an operating condition of at least an electrically actuated valve, wherein said operating mode selects at least an intake valve of said cylinder located in at least one region of said first and second region, and to operate said selected intake valve, without operating a non-selected intake valve, during at least an intake stroke of a cycle of said cylinder, and to operate said non-selected intake valve during at least an intake stroke of a subsequent cycle of said cylinder, without operating said selected intake valve. 2. The system of claim 1 wherein said cylinder head of said cylinder has four regions, each region having an electrically actuated valve. 3. The system of claim 2 wherein said cylinder has two electrically actuated exhaust valves operating in said third and fourth regions. 4. The system of claim 1 wherein said cylinder head of said cylinder has five regions, each region having an electrically actuated valve. 5. The system of claim 1 wherein said cylinder head of said cylinder has three regions, each region having an electrically actuated valve. 6. A system for selecting and controlling electrically actuated valves to operate in at least a cylinder of an internal combustion engine, the system comprising: a cylinder head of said cylinder having at least two regions, each region having an electrically actuated valve; and a controller to select a valve operating mode, based on an operating condition of at least an electrically actuated valve, wherein said operating mode selects at least an exhaust valve of said cylinder located in at least one region of said first and second region, and to operate said selected exhaust valve, without operating a non-selected exhaust valve, during a cycle of said cylinder, and to operate said non-selected exhaust valve during a subsequent cycle of said cylinder, without operating said selected exhaust valve. 7. The system of claim 6 wherein said cylinder head of said cylinder has four regions, each region having an electrically actuated valve. 8. The system of claim 7 wherein said cylinder has two electrically actuated intake valves operating in said first and second regions. 9. The system of claim 6 wherein said cylinder head of said cylinder has three regions, each region having an electrically actuated valve. 10. The system of claim 6 wherein said cylinder head of said cylinder has five regions, each region having an electrically actuated valve. 11. A system for selecting and controlling electrically actuated valves to operate in at least a cylinder of an internal combustion engine, the system comprising: a cylinder head of said cylinder having at least four regions, each region having an electrically actuated valve; and a controller to select a valve operating mode, based on an operating condition of at least an electrically actuated valve, wherein said operating mode selects at least an intake valve of said cylinder located in at least one region of said first and second region, and to operate said selected intake valve, without operating a non-selected intake valve, during a cycle of said cylinder, and to operate said non-selected intake valve during a subsequent cycle of said cylinder, without operating said selected intake valve, and to select at least an exhaust valve of said cylinder located in at least one region of said third and forth region, and to operate said selected exhaust valve, without operating a non-selected exhaust valve, during a cycle of said cylinder, and to operate said non-selected exhaust valve during a subsequent cycle of said cylinder, without operating said selected exhaust valve. 12. The system of claim 11 wherein said selected intake valve and said selected exhaust valve lie in regions having adjacent sides. 13. The system of claim 11 wherein said selected intake valve and said selected exhaust valve lie in regions having nonadjacent sides. 14. A method to control electrically actuated valves in an internal combustion engine, the method comprising: during engine operation, operating a first and a second electrically actuated intake valve in a cylinder of said engine, during at least an intake stroke of a cycle of said cylinder during on a first set of electrically actuated valve operating conditions; and operating said first intake valve without operating said second intake valve during at least an intake stroke of a cycle of said cylinder, and operating said second intake valve without operating said first intake valve, during at least an intake stroke of a subsequent cycle of said cylinder, during a second set of electrically actuated valve operating conditions. 15. A system for selecting and controlling electrically actuated valves to operate in at least a cylinder of an internal combustion engine, the system comprising: a cylinder head of said cylinder having at least two regions, each region having an electrically actuated valve; and a controller to select a valve operating mode, based on an operating condition of at least an electrically actuated valve and an operating condition of said engine, wherein said operating mode selects at least an exhaust valve of said cylinder located in at least one region of said first and second region, and to operate said selected exhaust valve, without operating a non-selected exhaust valve, during a cycle of said cylinder, and to operate said non-selected exhaust valve during a subsequent cycle of said cylinder, without operating said selected exhaust valve. 16. The system of claim 15 wherein said cylinder head of said cylinder has four regions, each region having an electrically actuated valve. 17. The system of claim 16 wherein said cylinder has two electrically actuated exhaust valves operating in said third and fourth regions. 18. The system of claim 15 wherein said engine operating condition is a temperature of said engine. 19. The system of claim 15 wherein said engine operating conditions is a temperature of a catalyst. 20. The system of claim 15 wherein said engine operating condition is an amount of oxidant storage capacity of a catalyst. 21. The system of claim 15 wherein said engine operating condition is an amount of oxidants stored in a catalyst. 22. A computer readable storage medium having stored data representing instructions executable by a computer to control an internal combustion engine of a vehicle, said storage medium comprising: instructions to select a valve operating mode, based on an operating condition of at least an electrically actuated valve, wherein said operating mode selects at least an intake valve of said cylinder located in at least one region of said first and second region, and to operate said selected intake valve, without operating a non-selected intake valve, during at least an intake stroke of a cycle of said cylinder, and to operate said non-selected intake valve during at least an intake stroke of a subsequent cycle of said cylinder, without operating said selected intake valve.
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