Atmospheric pressure compensating means for an engine intake sys

Details Atmospheric pressure compensating means for an engine intake sys Atmospheric pressure compensating means for an engine intake sys

1974-04-03

1976-03-16

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261 39A, 261 63, F02M 712

Patent

active

039438996

ABSTRACT:
Atmospheric pressure compensating means for an engine intake system, which includes an air bypass passage extending between the upstream side and downstream side of a throttle valve in an engine intake passage, and a control valve provided in the bypass passage for controlling the bypass passage area in accordance with pressure difference between the atmospheric pressure and suction pressure in said intake passage so that said passage area is increased in response to a decrease in said pressure difference.

REFERENCES:
patent: 2152028 (1939-03-01), Church
patent: 2207152 (1940-07-01), Huber
patent: 3011770 (1961-12-01), Stoltman
patent: 3626915 (1971-12-01), Nakajima
patent: 3677526 (1972-07-01), Pierlot
patent: 3738109 (1973-06-01), Tatsutomi et al.
patent: 3759232 (1973-09-01), Wahl et al.
patent: 3836128 (1974-09-01), Lunsford
patent: 3841612 (1974-10-01), Freismuth et al.

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