Controlling EGR in an internal combustion engine and fluid press

Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type

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Details

123568, 137DIG8, F02M 2506

Patent

active

045081344

ABSTRACT:
Engine exhaust gas is recirculated by a fluid pressure actuated valve receiving a control signal from a controller which receives and modulates engine induction vacuum to provide a primary source and receives a carburetor throttle-blade controlled suction as a secondary source and compares the primary and secondary sources and discriminates therebetween to provide the lesser as the outward control signal.

REFERENCES:
patent: 4196707 (1980-04-01), Stoltman
patent: 4202524 (1980-05-01), Brakebill
patent: 4365608 (1982-12-01), Bradshaw
patent: 4373495 (1983-02-01), Bradshaw

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