Engine combustion chamber and method of operation

Details Engine combustion chamber and method of operation Engine combustion chamber and method of operation

1996-06-25

1998-10-27

Okonsky, David A.

Internal-combustion engines

Four-cycle

Multiple exhaust

123 9015, F01L 902

Patent

active

058265600

ABSTRACT:
Several embodiments of multi-valve internal combustion engines, wherein low-speed hydrocarbon emissions are reduced by restricting the opening of at least one of the exhaust valves under this running condition. In addition, and in accordance with at least one of the embodiments, one of the intake valves is partially open during a portion of the exhaust cycle to further improve emission control.

REFERENCES:
patent: 4535732 (1985-08-01), Nakano et al.
patent: 4541372 (1985-09-01), Weiss
patent: 4587936 (1986-05-01), Matsuura et al.
patent: 4615309 (1986-10-01), Yoshikawa
patent: 4779589 (1988-10-01), Matsuura et al.
patent: 4964375 (1990-10-01), Takeyama et al.
patent: 5072700 (1991-12-01), Kawamura
patent: 5269270 (1993-12-01), Suzuki et al.

Affiliated with

Also associated with

Rating

Engine combustion chamber and method of operation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Engine combustion chamber and method of operation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Engine combustion chamber and method of operation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1606421