Refrigerant cooled variable frequency drive and method for...

Details Refrigerant cooled variable frequency drive and method for... Refrigerant cooled variable frequency drive and method for...

2005-04-05

2005-04-05

Jiang, Chen Wen (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S222000, C062S226000

Reexamination Certificate

active

06874329

ABSTRACT:
A method for operating a vapor compression system having a compressor driven by a variable frequency drive, wherein the compressor feeds a refrigerant loop, wherein the refrigerant loop includes a cooling circuit for the variable frequency drive, and wherein a flow control member is positioned for controlling flow of refrigerant from the refrigerant loop to the cooling circuit including the steps of: sensing an operating temperature of the variable frequency drive; and controlling the flow control member based upon the operating temperature.

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patent: 6688124 (2004-02-01), Stark et al.

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