By-pass valve with pressure relief feature

Details By-pass valve with pressure relief feature By-pass valve with pressure relief feature

1974-12-23

1976-06-22

Klinksiek, Henry T.

Fluid handling

Systems

Multi-way valve unit

60290, 251 85, F16K 1102, F16K 31145

Patent

active

039645150

ABSTRACT:
An air by-pass valve with pressure relief feature is described. The valve is provided with inlet, outlet and by-pass or exhaust ports wherein two valve members are actuated by a diaphragm responsive to engine intake manifold vacuum to direct air from the inlet to the outlet or to the by-pass port as a function of engine intake vacuum and in which the valve members are mounted on a common diaphragm-actuated stem in such a manner that the by-pass valve member can move to open the by-pass port during over-pressure conditions without movement of the diaphragm or valve stem.

REFERENCES:
patent: 3085780 (1963-04-01), Yale
patent: 3106820 (1963-10-01), Schaffer et al.
patent: 3117591 (1964-01-01), Schutmaat
patent: 3430437 (1969-03-01), Saussele et al.
patent: 3779280 (1973-12-01), Evans et al.

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