Refrigerant charging using line having a control valve

Details Refrigerant charging using line having a control valve Refrigerant charging using line having a control valve

2007-12-25

2007-12-25

Jones, Melvin (Department: 3744)

Refrigeration

With means for charging closed refrigeration producing system

C062S077000

Reexamination Certificate

active

11108692

ABSTRACT:
A charging system for charging a refrigeration system of a vehicle includes a refrigerant source, a coupler, a line, and a control valve. The coupler is adapted for connection to a connection point on the refrigeration system. The line fluidly connects the refrigerant source to the coupler, and the control valve is disposed proximate the coupler to control flow of the refrigerant from the line through the coupler and into the refrigeration system. The control valve may be integral with the coupler. A scale is used to measure an amount of refrigerant being discharged from the coupler, and a controller is connected to the scale and the control valve. Actuation of the control valve is controlled by the controller based upon an initial weight and a measured weight of the refrigerant source from the scale.

REFERENCES:
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patent: 2001/0025496 (2001-10-01), Bimboes et al.
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patent: 38 00 088 (1988-07-01), None
patent: 2004-190894 (2004-07-01), None
patent: WO 2006/055092 (2006-05-01), None
International Preliminary Report on Patentability issued in International Application No. PCT/US2006/011452, dated Mar. 15, 2007.

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