Air intake system for supercharged engine

Details Air intake system for supercharged engine Air intake system for supercharged engine

1994-12-15

1996-02-20

Freay, Charles

Internal-combustion engines

Charge forming device

Supercharger

123563, F02B 2904, F02B 3300

Patent

active

054921031

ABSTRACT:
An intake system has a recirculation passage, through which supercharging air discharged from a supercharger is recirculated into the supercharger, and a recirculation control valve disposed in the recirculation passage, by which the recirculation passage is gradually opened and closed as the pressure of supercharging air downstream from the supercharger changes between a low specified pressure, below the atmospheric pressure, and a high specific pressure, above the atmospheric pressure. The air intake system further has a bypass passage, for allowing air to bypass an intercooler, which is opened and closed by a bypass control valve at an interim specified pressure between the high and low specified pressures.

REFERENCES:
patent: 4738110 (1988-04-01), Tateno
patent: 4802456 (1989-02-01), Okane et al.
patent: 5119795 (1992-06-01), Goto et al.

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