Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means
Patent
1977-02-28
1980-01-22
Schwadron, Martin P.
Valves and valve actuation
Lost motion between actuator and valve
Check valve with external opening and closing means
62292, 62299, 251129, 251318, 137DIG2, F16K 3102, F25D 1900
Patent
active
041846613
ABSTRACT:
A valve assembly providing a disconnectable coupling for a split system air conditioner including an indoor unit and an outdoor unit joined by connecting tubing to complete the sealed refrigerant system. The present valve is effective in providing a disconnect system between a unit and the connecting tubing. The valve is activated by an electric coil that is applied to the valve only during the disconnecting procedure.
REFERENCES:
patent: 834627 (1906-10-01), Longacre
patent: 1435396 (1922-11-01), Howland
patent: 1515353 (1924-11-01), Martin
patent: 1703311 (1929-02-01), Litle, Jr.
patent: 2512090 (1950-06-01), Cooper
patent: 2667760 (1954-02-01), Curtis
patent: 2934915 (1960-05-01), Morse
patent: 3042074 (1962-07-01), Graybill
patent: 3144038 (1964-08-01), Stilwell
patent: 3208232 (1965-09-01), Madison et al.
patent: 3645495 (1972-02-01), Aymar
Kushner Gerald J.
Raleigh Edward
General Electric Company
Giacalone Frank P.
Reams Radford M.
Schwadron Martin P.
Walton G. L.
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