Metal working – Method of mechanical manufacture – Electrical device making
Patent
1977-11-02
1979-10-09
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
308161, 308163, 308244, 310 42, 310 90, H02K 1516
Patent
active
041700589
ABSTRACT:
The axial end play of dynamoelectric machine may be adjusted by adjusting the axial position of a machine bearing relative to the machine rotor. A relatively large electric motor is illustrated wherein the amount and position of the axial end play of the rotor may be adjusted without disassembly of the motor. A bearing cap at one or both ends of the motor is removed to observe the amount of axial clearance between the bearing and a shoulder on either the stator or the rotor, the shaft is lifted slightly, the bearing is moved in the frame, an arcuate shim is inserted between the bearing and a shoulder in the frame, the upper bearing half is replaced if it is a split bearing and then the bearing cap is replaced and secured to secure the bearing in its newly located axial position. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 1032159 (1912-07-01), Price
patent: 2539079 (1951-01-01), Wightman
patent: 3441325 (1969-04-01), Sjotun
Hall Carl E.
Reliance Electric Co.
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