| US 7,607,313 B2 | ||
| Vehicle HVAC system | ||
| Edwin J. Stanke, Pontiac, Mich. (US); Gregory A. Major, Farmington Hills, Mich. (US); and William R. Hill, Troy, Mich. (US) | ||
| Assigned to GM Global Technology Operations, Inc., Detroit, Mich. (US) | ||
| Filed on Dec. 14, 2006, as Appl. No. 11/610,552. | ||
| Prior Publication US 2008/0141688 A1, Jun. 19, 2008 | ||
| Int. Cl. F25B 49/00 (2006.01) | ||
| U.S. Cl. 62—197 [62/149; 62/173] | 20 Claims |
| 1. A vehicle HVAC system having an air conditioning portion comprising:
a compressor having a refrigerant output;
a condenser having a refrigerant output and a refrigerant input;
an evaporator having a refrigerant input;
an expansion device operatively engaging the refrigerant output from the condenser and the refrigerant input to the evaporator;
a charge bottle selectively connectable to the refrigerant output from the condenser;
a valve assembly operatively engaging the refrigerant output from the compressor, the refrigerant input to the condenser and
the charge bottle, the valve assembly configured to selectively direct a flow of the refrigerant from the refrigerant output
of the compressor to one of the refrigerant input to the condenser and the charge bottle; and
a refrigerant line extending between and directly connecting the valve assembly to the charge bottle.
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