Intake system for multiple cylinder combustion engines

Details Intake system for multiple cylinder combustion engines Intake system for multiple cylinder combustion engines

1994-07-06

1996-08-06

Macy, Marguerite

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02B 2702

Patent

active

055423868

ABSTRACT:
An intake system for internal combustion engines with multiple cylinders (10). The intake system includes a first distribution chamber (13), one separate inlet pipe (15a, 15b) for each engine cylinder, which inlet pipes extend between the first distribution chamber (13) and inlet valve/valves of the corresponding cylinders, and at least one second distribution chamber (16, 16a, 16b). This is connectable to each inlet pipe (15a, 15b) between said first chamber and the inlet valve via one corresponding passage, which can be opened by means of an operable throttle valve (19). Each second distribution chamber (16, 16a, 16b) is connected to the first distribution chamber (13) via at least one resonance pipe (14), the inlet of which to the second distribution chamber is openable by means of an additional throttle valve (17).

REFERENCES:
patent: 5129368 (1992-07-01), Kristl et al.
patent: 5133308 (1992-07-01), Hitomi et al.
patent: 5309883 (1994-05-01), Pischke

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