Electric motor for a power steering apparatus

Details Electric motor for a power steering apparatus Electric motor for a power steering apparatus

1995-09-25

1998-08-18

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 310 83, H02K 500, H02K 524, H02K 706

Patent

active

057961980

ABSTRACT:
An electric motor used in an electric type power steering apparatus and the like, wherein a magnetic field unit outer casing 14 for encasing a magnetic field unit 7 comprising magnets 5 and an armature 6, is formed integral and concentric with a motor yoke 3, and a power supply unit outer casing 15 for encasing a commutator 22 and brushes 27 of a power supply unit 8, having a protruding portion 15a protruding from an axially concentric outer peripheral face thereof arranged eccentric to the magnetic field unit outer casing 14, is formed integral with the motor yoke 3. As a result, the influence of shock from the outside is suppressed, and accommodating space for the power supply unit ensured, so that long motor life is possible.

REFERENCES:
patent: Re32222 (1986-08-01), Drutchas
patent: 3651839 (1972-03-01), Stihl et al.
patent: 4335077 (1982-06-01), Santiago et al.
patent: 4344921 (1982-08-01), Santiago et al.
patent: 4432943 (1984-02-01), Musall et al.
patent: 4450373 (1984-05-01), Miller et al.
patent: 5015897 (1991-05-01), Inagaki et al.
patent: 5041751 (1991-08-01), Yokuzuku
patent: 5159221 (1992-10-01), Miyazaki et al.
patent: 5194769 (1993-03-01), Ade et al.
patent: 5440186 (1995-08-01), Forsell et al.

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