Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Patent
1995-03-15
1997-02-25
Tanner, Harry B.
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
62193, 62470, F25B 4300
Patent
active
056050585
ABSTRACT:
An air conditioning system of the present invention has a refrigerant circuit including a compressor, an oil separator, a condenser, a expansion device, an evaporator, a first accumulator, and a second accumulator which are connected in order by piping, said evaporator, said first accumulator, said second accumulator, and said compressor being connected in series; a first oil return bypass for connecting said oil separator and a connection pipe between said first and second accumulators; and a second oil return bypass for connecting said first accumulator and a connection pipe between said second accumulator and said compressor.
REFERENCES:
patent: 4557115 (1985-12-01), Nakamura
patent: 4646527 (1987-03-01), Taylor
patent: 4912937 (1990-04-01), Nakamura et al.
Fujiwara Michio
Hisamori Youichi
Kasai Tomohiko
Kawaguchi Kenji
Kouge Hirofumi
Mitsubishi Denki & Kabushiki Kaisha
Tanner Harry B.
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