Air conditioning apparatus

Details Air conditioning apparatus Air conditioning apparatus

1991-06-27

1992-07-21

Tapolcai, William E.

Refrigeration

Reversible, i.e., heat pump

F25B 1300

Patent

active

051312409

ABSTRACT:
An air conditioning apparatus includes a pipe unit in the form of a block-like member, the pipe unit comprising: control components, like a four port valve, a two port valve and a check valve, of the refrigerating cycle, which are incorporated in the block-like member; refrigerant passages which are formed in the block-like member to lead to the control components; and connecting ports which are formed in the block-like member to be connected to essential components, like a compressor, and an indoor and an outdoor heat exchanger, of the refrigerating cycle.

REFERENCES:
patent: 2828767 (1958-04-01), Barusch
patent: 3196896 (1965-07-01), Leutenegger
patent: 3303665 (1967-02-01), Ray
patent: 4313314 (1982-02-01), Boyanich
patent: 4573497 (1986-03-01), White
patent: 4709554 (1987-12-01), Umemura et al.

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