Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1982-02-18
1984-01-31
Schwadron, Martin P.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137DIG8, F16K 1702
Patent
active
044283938
ABSTRACT:
A quick vent response valve (12) is fluidically series connected between a vacuum regulator valve (14) and an exhaust gas recirculation valve (16) which comprises a fluid pressure control system (10). The quick response valve operates to vent the system more quickly than if the system were vented through the vacuum regulator valve itself by employing the modulated control signal from the vacuum regulator valve as a pilot signal. The quick response valve improves response time of the vacuum system when venting from a high to a low vacuum level by momentarily displacing a valve element (56) disposed within a housing (18) to establish a nonrestricting flow path to atmosphere.
REFERENCES:
patent: 2209189 (1940-07-01), Callejo
patent: 3606909 (1971-09-01), Kowalski et al.
patent: 4303095 (1981-12-01), Aubel et al.
Anderson Patrick J.
Kenny Andrew A.
Eaton Corporation
Grace C. H.
Johnston R. A.
Lewis J. G.
Schwadron Martin P.
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