Back pressure regulating valve

Details Back pressure regulating valve Back pressure regulating valve

1985-05-30

1986-10-28

Cohan, Alan

Refrigeration

Automatic control

Refrigeration producer

137489, F25B 4104

Patent

active

046191151

ABSTRACT:
Back pressure regulation in a system including an evaporator is achieved by a valve having an inlet adapted to be connected to an evaporator, an outlet and an interposed poppet and valve seat. A fluid motor is operative to move the poppet and the fluid motor is controlled by a control fluid inlet, a control fluid outlet and a pressure response valve in fluid communication with the inlet.

REFERENCES:
patent: 3583432 (1971-06-01), Powell
patent: 4312375 (1982-01-01), Leinemann

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