Rotary drive apparatus with permanent magnets on the rotor and s

Details Rotary drive apparatus with permanent magnets on the rotor and s Rotary drive apparatus with permanent magnets on the rotor and s

1984-06-01

1985-08-06

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310154, 310 36, H02K 100

Patent

active

045338477

ABSTRACT:
A rotary drive apparatus including a frame having at least three holes; a yoke having a center portion and two side bar portions on opposite sides of the center portion, the center portion having a hole, coils mounted on the side bar portions of the yoke, a collar having a bore and being tightly mounted on the surface of the hole of the yoke, magnetic parameter changing elements being mounted on the surface of the bore of the collar, and a rotor having magnetic poles in the radial direction and being inserted into the bore of the collar with a predetermined clearance. In the apparatus, a first hole of the frame is parallel to a first direction of the apparatus and has a cross-section for tightly receiving the center portion of the yoke, and a second and third holes of the frame are in a second direction perpendicularly intersecting the first direction and being concentric with each other oppositely the first hole, the center portion of the yoke being fit into the first hole. The position of the collar is adjusted through the second hole during the adjustment, and the third hole passes a shaft connected to one end of the rotor.

REFERENCES:
patent: 3293467 (1966-12-01), Favre
patent: 3433987 (1969-03-01), Thees
patent: 3434082 (1969-03-01), Montagu
patent: 3471725 (1969-10-01), Moret et al.
patent: 3770998 (1973-11-01), Haydon et al.
patent: 3862445 (1975-01-01), Volkrodt
patent: 3900749 (1975-08-01), Carriker
patent: 4006374 (1977-02-01), Nakagawa
patent: 4447793 (1984-05-01), Gray

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