Mechanical means for holding air gaps on bolt-down stators in re

Details Mechanical means for holding air gaps on bolt-down stators in re Mechanical means for holding air gaps on bolt-down stators in re

1984-02-29

1985-10-01

Husar, Cornelius J.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

417363, 417419, 417902, 310 90, 29596, F04B 3504, H02K 1514

Patent

active

045443343

ABSTRACT:
A refrigerant compressor (10) including a compression mechanism (18) resiliently supported within a sealed outer casing (12) is provided with means for maintaining the air gap between the rotor (40) and stator (42) of the electric drive motor (20) for the compression mechanism. The rotor is secured to a drive shaft or crankshaft (26) journaled in the compression mechanism. The stator is bolted to the compression mechanism. The means for maintaining the air gap comprises a plurality of balls made from a relatively hard material, which are indented into the relatively softer material of the stator and of the compressor body during assembly of the stator to the compressor body. The stator is fixed relative to the compressor body and to the rotor journaled in the compressor body, thus maintaining the air gap between the stator and the rotor during shipping and handling.

REFERENCES:
patent: 2861785 (1958-11-01), De Angelis
patent: 3185099 (1965-05-01), Spring
patent: 3348300 (1967-10-01), Lindgren
patent: 3356293 (1967-12-01), Butts
patent: 3897177 (1975-07-01), Parker
patent: 4147319 (1979-04-01), Tsybulnik et al.

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