Electromagnetic valve control in an internal combustion engine with an asymmetric exhaust system design
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06G-019/00
F01L-001/34
F02B-069/06
F02B-069/00
F02B-015/00
출원번호
US-0805638
(2004-03-19)
발명자
/ 주소
Lewis,Donald J.
Michelini,John O.
Cullen,Michael J.
Russell,John D.
출원인 / 주소
Ford Global Technologies, LLC
대리인 / 주소
Alleman Hall McCoy Russell &
인용정보
피인용 횟수 :
24인용 특허 :
114
초록
A system and method to control engine valves of an internal combustion engine is shown. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the method can adjust valve operation to account for vehicle exhaust system design.
대표청구항▼
The invention claimed is: 1. 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 at least an intake valve for each cylinder of said firs
The invention claimed is: 1. 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 at least an intake valve for each cylinder of said first cylinder group, located in at least one region of said first and second region, and to select at least a different intake valve for each cylinder of said second cylinder group, located in at least one region of a first and second region, and to select at least an exhaust valve for said first cylinder group located in at least one region of said third and fourth region, and to select at least a different exhaust valve for said second cylinder group located in at least one region of a third and fourth region, and to operate at least one cylinder from each of said selected first and second cylinder group with said selected intake and exhaust valves, without operating non-selected valves, during a respective cycle of said cylinder group. 2. A system for selecting and controlling electrically actuated valves, the system comprising: an internal combustion engine having a first and second group of cylinders, said first group of cylinders having valves operating in a first pattern and said second group of cylinders having valves operating in a second pattern, said cylinders in said first and second group each having a cylinder head with at least four regions, with each region having an electrically actuated valve; and a controller to select at least an intake valve for each cylinder of said first cylinder group, located in at least one region of said first and second region, and to select at least a different intake valve for each cylinder of said second cylinder group, located in at least one region of a first and second region, and to select at least an exhaust valve for said first cylinder group located in at least one region of said third and fourth region, and to select at least a different exhaust valve for said second cylinder group located in at least one region of a third and fourth region, and to operate at least one cylinder from each of said selected first and second cylinder group with said selected intake and exhaust valves, without operating non-selected valves, during a respective cycle of said cylinder group. 3. The system of claim 2 wherein said first cylinder group selected intake valve and said first cylinder group selected exhaust valve lie in regions having adjacent sides, and wherein said second cylinder group selected intake valve and said second cylinder group selected exhaust valve lie in regions having adjacent sides. 4. The system of claim 2 wherein said first cylinder group selected intake valve and said first cylinder group selected exhaust valve lie in regions having nonadjacent sides, and wherein said second cylinder group selected intake valve and said second cylinder group selected exhaust valve lie in regions having nonadjacent sides. 5. The system of claim 2 wherein said first cylinder group selected intake valve and said first cylinder group selected exhaust valve lie in regions having adjacent sides, and wherein said second cylinder group selected intake valve and said second cylinder group selected exhaust valve lie in regions having nonadjacent sides. 6. The system of claim 2 wherein said first and second cylinder groups are located in different banks of a V engine. 7. The system of claim 2 wherein said first and second cylinder groups combust mixtures having different air-fuel ratios. 8. The system of claim 2 wherein said first and second cylinder groups have different spark timing. 9. The system of claim 2 wherein said first and second cylinder groups induct different engine air amounts. 10. The system of claim 2 wherein said first and second cylinder groups have different valve lift heights. 11. The system of claim 2 wherein said first and second cylinder groups have different valve timing. 12. The system of claim 2 wherein said intake valves located in said region one and two are different diameters. 13. A system for selecting and controlling electrically actuated valves, the system comprising: an internal combustion engine having a first and second group of cylinders, said first group of cylinders having valves operating in a first pattern and said second group of cylinders having valves operating in a second pattern, said cylinders in said first and second group each having a cylinder head with at least four regions, with each region having an electrically actuated valve; and a controller to select at least an intake valve for each cylinder of said first cylinder group, located in at least one region of said first and second region, and to select at least a different intake valve for each cylinder of said second cylinder group, located in at least one region of a first and second region, and to operate said selected intake valve in each cylinder of said first cylinder group, without operating non-selected intake valve in each cylinder of said first cylinder group during a cycle of said cylinder in said first cylinder group, and to operate said non-selected intake valve in each cylinder of said first cylinder group during a subsequent cycle of each cylinder of said first cylinder group, without operating selected intake valve in each cylinder of said first cylinder group during a cycle of said cylinder in said first cylinder group, and to operate said selected intake valve in each cylinder of said second cylinder group, without operating non-selected intake valve in each cylinder of said second cylinder group during a cycle of said cylinder in said second cylinder group, and to operate said non-selected intake valve in each cylinder of said second cylinder group during a subsequent cycle of each cylinder of said second cylinder group, without operating selected intake valve in each cylinder of said second cylinder group during a cycle of said cylinder in said second cylinder group, to select at least an exhaust valve for each cylinder of said first cylinder group, located in at least one region of said third and forth region, and to select at least a different exhaust valve for each cylinder of said second cylinder group, located in at least one region of a third and fourth region, and to operate said selected exhaust valve in each cylinder of said first cylinder group, without operating non-selected exhaust valve in each cylinder of said first cylinder group during a cycle of said cylinder in said first cylinder group, and to operate said non-selected exhaust valve in each cylinder of said first cylinder group during a subsequent cycle of each cylinder of said first cylinder group, without operating selected exhaust valve in each cylinder of said first cylinder group during a cycle of said cylinder in said first cylinder group, and to operate said selected exhaust valve in each cylinder of said second cylinder group, without operating non-selected exhaust valve in each cylinder of said second cylinder group during a cycle of said cylinder in said second cylinder group. 14. The method of claim 13 wherein said first cylinder group selected intake valve and said first cylinder group selected exhaust valve lie in regions having adjacent sides, and wherein said second cylinder group selected intake valve and said second cylinder group selected exhaust valve lie in regions having adjacent sides. 15. The method of claim 13 wherein said first cylinder group selected intake valve and said first cylinder group selected exhaust valve lie in regions having nonadjacent sides, and wherein said second cylinder group selected intake valve and said second cylinder group selected exhaust valve lie in regions having nonadjacent sides. 16. The method of claim 13 wherein said first cylinder group selected intake valve and said first cylinder group selected exhaust valve lie in regions having adjacent sides, and wherein said second cylinder group selected intake valve and said second cylinder group selected exhaust valve lie in regions having nonadjacent sides. 17. The system of claim 13 wherein said first group of cylinders include odd numbered cylinders and wherein said second group of cylinders includes even numbered cylinders. 18. The method of claim 13 wherein said first and second cylinder groups combust mixtures having different air-fuel ratios. 19. The method of claim 13 wherein said first and second cylinder groups have different spark timing. 20. The method of claim 13 wherein said first and second cylinder groups induct different engine air amounts. 21. The method of claim 13 wherein said first and second cylinder groups have different valve lift heights. 22. The method of claim 13 wherein said first and second cylinder groups have different valve timing. 23. The system of claim 13 wherein said intake valves located in said region one and two are different diameters.
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