Refrigerant charge connecting unit

Details Refrigerant charge connecting unit Refrigerant charge connecting unit

1993-06-15

1994-06-28

Hepperle, Stephen M.

Fluid handling

Systems

Plural noncommunicating flow paths

62292, 13761404, F25B 4500

Patent

active

053238087

ABSTRACT:
A refrigerant charge receptacle (25) is provided for interfacing between an air conditioning system (2) having a high-pressure pipe (241) and a low-pressure pipe (242) and a refrigerant charge apparatus, having a high-pressure charge valve (332a) and a low-pressure charge valve (332b), for charging the air conditioning system (2) with a refrigerant. The refrigerant charge receptacle (25) includes a receptacle block (251) having disposed within a high-pressure bore (251a) having the high-pressure pipe (241) attached thereto and a high-pressure opening (105b). Also disposed within the receptacle block (251) is a low-pressure bore (251b) having the low-pressure pipe (242) attached thereto and a low-pressure opening (106b). A high-pressure receptacle valve (252) is attached to the high-pressure opening (105b) for mating with and receiving a first flow of the refrigerant from the high-pressure charge valve (332a). A low-pressure receptacle valve (253) is attached to the low-pressure opening (106b) for mating with and receiving a second flow of the refrigerant from the low-pressure charge valve (332b).

REFERENCES:
patent: 1664909 (1928-04-01), Thomson
patent: 3208232 (1965-09-01), Madison et al.
patent: 3570534 (1971-03-01), Beavers
patent: 4753268 (1988-06-01), Palau
patent: 5056560 (1991-10-01), De Martelaere
patent: 5080132 (1992-01-01), Manz et al.
patent: 5172557 (1992-12-01), Hubbell
patent: 5220810 (1993-06-01), Keltner

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