Electrically operated refrigerant expansion valve

Details Electrically operated refrigerant expansion valve Electrically operated refrigerant expansion valve

1991-07-22

1992-06-09

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

251127, F16K 3106, F16K 312

Patent

active

051200180

ABSTRACT:
An electrically operated refrigerant expansion valve has a refrigerant metering orifice extending therethrough. The valve includes a tapered opening extending thereinto, generally transverse to and intersecting the refrigerant metering orifice. A tapered valve member extends into the tapered opening to cooperate with the tapered opening to control the flow of refrigerant through the valve. The cooperation of the tapered valve member and the tapered opening is such that the flow through the valve body is completely shut off when the tapered valve member is fully inserted into the tapered opening. An electrically actuatable means is mounted on the valve for imparting axial movement to the tapered valve member into and out of the tapered opening.

REFERENCES:
patent: 1237719 (1917-08-01), Spencer
patent: 3042361 (1962-07-01), Garrott
patent: 3871615 (1975-03-01), Donner
patent: 4561471 (1985-12-01), Diaz

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