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US 2004/0168463 A1Published application
Automotive air conditioning refrigerant charging apparatus
OwnerNewton Howard Dudleyinventor
Life of this patent
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Abstract
An automotive air conditioning refrigerant charging apparatus. In a described embodiment, an automotive air conditioning refrigerant charging apparatus includes an R-134a system quick connect connector, a pressure gauge and a refrigerant can valve. The pressure gauge and the valve are simultaneously and permanently connected to the quick connect connector.
Claims20
An automotive air conditioning refrigerant charging apparatus, comprising:
- a quick connect connector operative to connect to a low pressure service port of an R-134a air conditioning system;
- a pressure gauge;
- and
- a refrigerant can valve,
- the pressure gauge and valve being connected simultaneously to the quick connect connector.
2 more elements
An automotive air conditioning refrigerant charging apparatus, comprising:
- a quick connect connector operative to connect to a low pressure service port of an R-134a air conditioning system;
- a pressure gauge;
- and
- a refrigerant can valve,
- at least one of the pressure gauge and valve being permanently connected to the quick connect connector.
2 more elements
An automotive air conditioning refrigerant charging apparatus, comprising:
- a quick connect connector operative to connect to a low pressure service port of an R-134a air conditioning system;
- a pressure gauge;
- a refrigerant can valve;
- and
- a T-fitting connected to each of the quick connect connector, the pressure gauge and the valve.
2 more elements
Dependencies are inferred from the claim text.