Refrigeration – Refrigeration producer – Compressor-condenser-evaporator circuit
Patent
1995-01-26
1997-08-05
Wayner, William E.
Refrigeration
Refrigeration producer
Compressor-condenser-evaporator circuit
417372, F25B 3904, F04B 1700
Patent
active
056531257
ABSTRACT:
A refrigeration compressor of the hermetically sealed type. The rotor of the motor is enclosed within the envelope providing the seal, whereas the stationary winding is external to this envelope. The refrigerant circuit cools the compressor and rotor in the normal fashion, and the stationary winding is cooled by ambient air. This reduces the total cooling burden imposed upon the compressor and its motor, thus reducing electrical consumption, In some applications, the rotor includes a magnetic drive which rotates a fan external to the envelope, which fan moves ambient air over the winding, thereby cooling the same. Thus, a second benefit is provided in that one of two motors conventionally furnished in an air conditioning condensing unit is eliminated. This increases electrical energy savings since one large motor is normally more efficient than two smaller ones, when total outputs are equal.
REFERENCES:
patent: D320191 (1991-09-01), Yamaguchi
patent: 3955112 (1976-05-01), Sell
patent: 4392525 (1983-07-01), O'Mara et al.
patent: 4623304 (1986-11-01), Chikada et al.
patent: 5113102 (1992-05-01), Gilmore
patent: 5205723 (1993-04-01), Kawai et al.
patent: 5233824 (1993-08-01), Clevenger
patent: 5310326 (1994-05-01), Gui et al.
patent: 5336060 (1994-08-01), Tomell et al.
Litman Richard C.
Wayner William E.
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