Supercharged pressure control valve apparatus

Details Supercharged pressure control valve apparatus Supercharged pressure control valve apparatus

1990-05-15

1992-08-11

Smith, Leonard E.

Internal-combustion engines

Charge forming device

Supercharger

137510, 137859, 60611, F02B 3712

Patent

active

051370034

ABSTRACT:
In a supercharged pressure control valve apparatus of an internal combustion engine, a housing of supercharger has first and second by-pass air paths; a valve sheet formed on an end of the second by-pass air path; a rubber diaphragm having thick sealing part of convex and concave sectional shape at its outer periphery; a valve disc fixed to the moving part of the diaphragm and opening closing the first and the second by-pass air paths responding to movement of the diaphragm; and a casing of the valve directly fixed on the housing by sandwiching the outer periphery of the diaphragm.

REFERENCES:
patent: 4493339 (1985-01-01), Porter, Jr.
patent: 4517803 (1985-05-01), Jamison

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