Apparatus for switching fluid flow

Details Apparatus for switching fluid flow Apparatus for switching fluid flow

1979-05-25

1981-04-21

Schwadron, Martin P.

Valves and valve actuation

Mechanical movement actuator

Ratchet

13762413, 137872, 137881, F16K 3144, F16K 100, F16K 1704

Patent

active

042628792

ABSTRACT:
The fluid flow switching apparatus includes a housing defining a chamber, a bore in communication with the chamber, fluid inlet and outlet ports respectively in communication with the chamber and bore, and a valve body movable within the chamber and carrying a sealing means for sealing about the bore. The valve body carries a pin which projects laterally into a cam track formed in the housing and which serves to releasably lock the valve body in a position enabling flow between the inlet and outlet ports through the chamber and bore and in a valve closed position preventing flow between the inlet and outlet ports. The valve body is movable manually between the valve open and closed positions by consecutive depressions of a push key connected to the valve body.

REFERENCES:
patent: 1644171 (1927-10-01), Caldwell
patent: 3147770 (1964-09-01), Perlis
patent: 3220695 (1965-11-01), Downey et al.
patent: 4067358 (1978-01-01), Strech

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