Vapor regulating valve

Details Vapor regulating valve Vapor regulating valve

1974-06-12

1976-02-03

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

13751613, 251 611, F02M 5900, F16K 1500

Patent

active

039358500

ABSTRACT:
A vapor regulating valve for use in a system for mixing air with fuel vapor from a fuel tank is constructed so that fuel vapor pressure against a diaphragm actuates a valve to allow engine induction vacuum to be exerted against another diaphragm to actuate a metering valve to accurately mix air and fuel vapor for delivery to the engine intake manifold. The full on-and-off action of the metering valve ensures a consistantly accurate air fuel ratio; and the use of the diaphragms themselves as the moving valve elements results in less expense and greater reliability.

REFERENCES:
patent: 3645244 (1972-02-01), Seyfarth
patent: 3703165 (1972-11-01), Hansen
patent: 3752134 (1973-08-01), Hollis

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