Refrigerant charging by optimum performance

Details Refrigerant charging by optimum performance Refrigerant charging by optimum performance

2007-12-25

2007-12-25

Ali, Mohammad M. (Department: 3744)

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

C062S149000

Reexamination Certificate

active

10990547

ABSTRACT:
A charging system for charging a refrigeration system of a vehicle includes a controller, a refrigerant source, at least one line fluidly connecting the refrigerant source to the refrigeration system; a control valve disposed to control flow of the refrigerant from the refrigerant source to the refrigeration system, and an efficiency sensor for measuring the efficiency of the refrigeration system. The controller operates to cause the charging system to input into the refrigeration system a predetermined amount of refrigerant less than a recommended refrigerant charge amount; measure a baseline efficiency of the refrigeration system, input a supplemental amount of refrigerant into the refrigeration system, measure an adjusted efficiency of the refrigeration system, and compare the measured adjusted efficiency to the baseline efficiency using the controller.

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International Search Report, Feb. 21, 2006.
International Preliminary Report on Patentability issued in International Application No. PCT/US2005/033919, dated Dec. 27, 2006.

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