Electric motor with through-bolt guides for mounting

Details Electric motor with through-bolt guides for mounting Electric motor with through-bolt guides for mounting

1991-11-27

1993-04-06

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 91, 310154, H02K 500

Patent

active

052006581

ABSTRACT:
An electric motor has guides (8,9,10,11) inside its yoke (1) for guiding the insertion of a through-bolt (7) for mounting the electric motor on a fixed surface, thereby preventing the through-bolt (7) from being attracted by permanent magnets (2) which are provided within the yoke (1). The guides (8,9,10,11) for the through-bolt (7) are formed by protrusions (8) defined in the inner periphery of the yoke (1) for holding the through-bolt (7), or by a sleeve (9,10,11) having a through-hole (9a, 10a,11a) for receiving the through-bolt (7) passing through an end surface of a cover (6) for the yoke (1) and through a brush holder (5) or through a portion inside the yoke (1).

REFERENCES:
patent: 2763800 (1956-09-01), Curley
patent: 3083310 (1963-03-01), Tweedy et al.
patent: 3258622 (1966-06-01), Gillespie
patent: 3489937 (1970-01-01), Maher et al.
patent: 4209284 (1980-06-01), Lochmann
patent: 4445060 (1984-04-01), Ruehle et al.
patent: 4546280 (1985-10-01), Pfluger
patent: 4746829 (1988-05-01), Strobl
patent: 4897571 (1990-01-01), Isozumi
patent: 5057730 (1991-10-01), Yoshida

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