Modulating air control valve

Details Modulating air control valve Modulating air control valve

1978-02-17

1979-07-10

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119D, 137480, F02M 2304

Patent

active

041604334

ABSTRACT:
An improved modulating air control valve which intermittently introduces air into the intake manifold of internal combustion engines as a function of the vacuum differential between the intake manifold and the ported vacuum at the carburetor. The valve includes a unidirectional flow valve which prevents hydrocarbon gases contained in the intake manifold from deteriorating the internal diaphragm of the valve.

REFERENCES:
patent: 3353524 (1967-11-01), Sarto
patent: 3913541 (1975-10-01), Scott, Jr.
patent: 4044732 (1977-08-01), Inada et al.

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