Gradient power valve assembly

Valves and valve actuation – Fluid actuated or retarded – Flexible wall expansible chamber reciprocating valve actuator

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Details

251 615, 261 69A, F16K 31385

Patent

active

044835086

ABSTRACT:
A power valve assembly has a pressure responsive diaphragm acting generally in opposition to spring means for controlling the position of a related contoured valving member; when engine manifold decreases due to increasing engine loads, motion transmitting means associated with the pressure responsive diaphragm operatively engages and causes the valving member to be progressively further opened generally in accordance with the decrease in the magnitude of such engine manifold vacuum.

REFERENCES:
patent: 3235237 (1966-02-01), Goetz et al.
patent: 3387622 (1968-06-01), Weinstein
patent: 3572387 (1971-03-01), De Martelaere
patent: 3575088 (1971-04-01), Baner
patent: 3852383 (1974-12-01), Seaman
patent: 3907941 (1975-09-01), Herbert et al.

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