Pressure control valve for refrigeration cycle

Details Pressure control valve for refrigeration cycle Pressure control valve for refrigeration cycle

2006-11-06

2008-10-14

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

C062S222000

Reexamination Certificate

active

07434419

ABSTRACT:
A pressure control valve of a supercritical refrigeration cycle small in size and resistant to the effects of the outside air temperature, that is, a pressure control valve of a vapor compression type supercritical refrigeration cycle wherein a refrigerant is sealed in a sealed space at the top of the diaphragm, pressure of the refrigerant in the refrigeration cycle acts on the valve connected to the diaphragm, the valve opens and closes in accordance with the balance between the refrigerant pressure in the sealed space and the refrigerant in the refrigeration cycle, the sealed space is communicated with locations substantially having temperature sensing functions detecting the refrigerant temperature, and the volume of the locations substantially having the temperature sensing functions is at least 50% of the total volume of communicated with the sealed space.

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Office Action dated Sep. 25, 2007 in Chinese Application No. 2006 101447893.

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