Exhaust gas recirculation valve

Details Exhaust gas recirculation valve Exhaust gas recirculation valve

1989-04-14

1990-09-04

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2507

Patent

active

049535188

ABSTRACT:
An exhaust gas recirculation (EGR) valve for controlling the amount of exhaust entering the intake manifold of an internal combustion engine. The EGR valve comprises a universal base so that a single base may fit many makes and models of vehicles, a diaphragm valve having two ports facing opposite directions protruding from the top of said valve, making connection of a vacuum hose to the EGR valve easier, and a back pressure transducer wherein the transducer has means to alter the vacuum required to close the valve.

REFERENCES:
patent: 3800765 (1974-04-01), Thompson
patent: 4180034 (1979-12-01), Vogelsberg
patent: 4186703 (1980-02-01), Haka et al.
patent: 4364368 (1982-12-01), Blanchette
patent: 4399798 (1983-08-01), Stoltman
patent: 4492210 (1985-01-01), Hunt

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