Refrigeration – Automatic control – Refrigeration producer
Patent
1995-10-18
1997-10-21
Tapolcai, William E.
Refrigeration
Automatic control
Refrigeration producer
62244, F25B 502
Patent
active
056784180
ABSTRACT:
An air-conditioner wherein the lubrication oil flowing through the refrigerant passage along with the refrigerant is reliably returned to the refrigerant compressor by having the refrigerant piping at the suction side of the compressor comprised of a first refrigerant piping and a second refrigerant piping connected in series with the same, the large diameter first refrigerant piping extending from a high position to a low position and the relatively small diameter second refrigerant piping extending in substantially the horizontal direction.
REFERENCES:
patent: 4473109 (1984-09-01), Kojima et al.
patent: 4637220 (1987-01-01), Sakano
patent: 4873837 (1989-10-01), Murray
Ishida Osamu
Kageyama Takashi
Miyajima Noriyoshi
Ueno Yuichi
Honda Giken Kogyo Kabushiki Kaisha
Nippondenso Co. Ltd.
Tapolcai William E.
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