Apparatus for attaching rotors to crankshafts

Details Apparatus for attaching rotors to crankshafts Apparatus for attaching rotors to crankshafts

1990-05-04

1994-01-18

Hall, Carl E.

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29598, 29800, H02K 1502

Patent

active

052790274

ABSTRACT:
An internal induction coil is used to heat the rotor of an ECM. This provides a localized heating and dilation of the bore of the rotor prior to the heating of the outer surface of the rotor. The crankshaft is located in the heated bore and acts as a heat sink. As a result, the outer surface of the rotor is not heated such as might cause the loss of magnetic properties.

REFERENCES:
patent: 2145864 (1939-02-01), Denneen et al.
patent: 3345732 (1967-10-01), Brower
patent: 4729160 (1988-03-01), Brown

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