Intake system for internal combustion engines

Details Intake system for internal combustion engines Intake system for internal combustion engines

1987-10-23

1990-06-12

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

123308, 123405, F02B 2700

Patent

active

049323784

ABSTRACT:
An intake system with a simple and compact structure for an internal combustion engine having a plurality of cylinders each cylinder having an intake port, the opening timing of the intake ports being determined so that that of each cylinder overlaps with that of another in which the intake stroke takes place subsequently to that in the former, the intake system comprising intake passges each being connected to the intake port of one of the cylinders, a juction portion connected to the respective intake passages, a resonance intake passage connected to the junction portion at one end thereof, in which the intake pressure resonance effect is to be produced and control valves provided in the respective intake passages, the opening timing of the respective control valves being determined so as to be retarded relative to that of said respective intake ports under at least a low speed and heavy load engine operating condition.

REFERENCES:
patent: 4552112 (1985-11-01), Nagao et al.
patent: 4612903 (1986-09-01), Urabe et al.
patent: 4738233 (1988-04-01), Hitomi et al.

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