Control system for engine with supercharger

Details Control system for engine with supercharger Control system for engine with supercharger

1990-06-14

1992-02-25

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

417310, 4182012, F02B 3336

Patent

active

050903926

ABSTRACT:
A mechanical supercharger of an internal combustion engine has a housing formed with inlet and outlet ports and a pair of spiral screws rotatably received in the housing for partially compressing air introduced in the mechanical supercharger and carrying it from the inlet port to the outlet port. The supercharger is disposed after a throttle valve in an intake system of the engine, and is provided with a relief port allowing compressed air to be relieved from the supercharger. The relief port is formed in the housing between the inlet and outlet ports where air is compressed to allow compressed air to be relieved. A relief valve is controlled to variably open according to engine operating conditions and relieve compressed air in the supercharger.

REFERENCES:
patent: 2519913 (1950-08-01), Lysholm
patent: 4498849 (1985-02-01), Schibbye et al.
patent: 4826412 (1989-05-01), Kubo et al.
patent: 5003957 (1991-04-01), Takeda

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