Miniature D-C motor

Details Miniature D-C motor Miniature D-C motor

1992-07-28

1993-12-14

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 88, H02K 510

Patent

active

052705960

ABSTRACT:
A miniature d-c motor comprising a case on the inner circumferential surface of which a permanent magnet is mounted, a rotor consisting of an armature and a commutator, and a case cap on which brushes and input terminals are mounted; the rotor being supported via bearings provided on the case and the case cap, in which the miniature d-c motor is housed in a hermetically-sealed internal space defined by the hermetic case formed into a bottomed hollow cylindrical shape and the hermetic case cap fitted to an open end of the hermetic case, and an output shaft connected to a rotor shaft via a magnetic coupling is rotatably provided outside the bottom of the hermetic case.

REFERENCES:
patent: 3643120 (1972-02-01), Young et al.
patent: 4347453 (1982-08-01), Gaus
patent: 4872352 (1989-10-01), Alden et al.
patent: 4896065 (1990-01-01), Tsuyama
patent: 4931678 (1990-06-01), Lutz

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