Integrally formed counterweight for rotor end ring

Details Integrally formed counterweight for rotor end ring Integrally formed counterweight for rotor end ring

1992-07-30

1994-08-09

Vrablik, John J.

Pumps

Motor driven

Electric or magnetic motor

418 556, 418151, 74573R, 184 618, F04B 3504, F04C 2902, F16F 1528

Patent

active

053360605

ABSTRACT:
A hermetic compressor assembly is disclosed including a motor compressor disposed within a hermetically sealed housing, wherein the housing has an oil sump in the bottom thereof from which oil is drawn to lubricate the compressor mechanism. An electric drive motor includes a vertical rotor having a lower axial end ring with an integrally formed rotor counterweight, whereby turbulence and resulting agitation of the oil in the oil sump is prevented during rotation of the rotor.

REFERENCES:
patent: 829251 (1906-08-01), Booraem
patent: 4702681 (1987-10-01), Inaba et al.
patent: 4702682 (1987-10-01), Inaba et al.
patent: 4915554 (1990-04-01), Serizawa et al.
patent: 4934905 (1990-06-01), Richardson, Jr.
patent: 5230616 (1993-07-01), Serizawa et al.

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