Electric rotating machine

Details Electric rotating machine Electric rotating machine

1995-02-09

1995-12-12

LaBalle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, H02K 504, H02K 515, H02K 2126

Patent

active

054752760

ABSTRACT:
An electric rotating machine with a lightweight and low cost yoke which has sufficient durability to be used under high vibration environments. A tubular yoke for electric rotating machine has a pair of lid portions laid on both axial ends of a tubular portion of a yoke. Through bolts for press-fitting the pair of lid portions from both sides tightens and fixes the pair of lid portions to the yoke. Concave portions extending from the outer circumference to the inner circumference are formed axially on the tubular portion. The center where the tightening force of the through bolts is applied is set between the hypothetical extension outer diameter and inner diameter of the tubular portion at the concave portion so that the tubular portion and the lid portions are tightened and fixed.

REFERENCES:
patent: 3083310 (1963-03-01), Tweedy et al.
patent: 3555320 (1971-01-01), Johnson
patent: 4795932 (1989-01-01), Long
patent: 4851727 (1989-07-01), Tanaka
patent: 4931683 (1990-06-01), Gleixner et al.
patent: 5006744 (1991-04-01), Archer et al.
patent: 5057730 (1991-10-01), Yoshida
patent: 5073738 (1991-12-01), Tang

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