Control apparatus for exhaust gas recirculation system

Details Control apparatus for exhaust gas recirculation system Control apparatus for exhaust gas recirculation system

1975-05-30

1977-02-08

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2500

Patent

active

040067211

ABSTRACT:
A control apparatus for a vacuum operated device comprising a first flexible diaphragm responsive to a vacuum input, a second flexible diaphragm responsive to a vacuum output present in a vacuum chamber, a control valve associated with said second flexible diaphragm for controlling the vacuum output in said chamber, and a control arm connected between said first and second diaphragms and rotatable about a fulcrum, the movement of said first flexible diaphragm being transmitted through said control arm to said second flexible diaphragm, whereby said control valve is actuated to control the vacuum output in said vacuum chamber.

REFERENCES:
patent: 3868934 (1975-03-01), Mick

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