Flat motor with simplified detector rotor mounting

Details Flat motor with simplified detector rotor mounting Flat motor with simplified detector rotor mounting

1988-03-24

1989-05-02

Shoop, Jr., William M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68B, H02K 122

Patent

active

048271756

ABSTRACT:
A flat motor includes a rear bracket 1 of magnetic material, a permanent magnet 2 fixed to an end of the rear bracket, a front bracket 3 of magnetic material facing the permanent magnet, an armature 4 having a coil 5 thereof, a rotary shaft 7 for rotatably supporting the armature between the front bracket and the permanent magnet, and a commutator 6 pressure-fixed on the rotary shaft. A rotor 15 of a rotation detector 11 is fixed on the rotary shaft and has teeth 15c along its outer periphery. A stator 11d has an inner periphery facing the rotor teeth, a cover member 11h houses a magnet 11c and a coil 11b, the cover member being affixed to the rear bracket, and coupling members 6a, 15b establish a direct connection between the rotor and the commutator.

REFERENCES:
patent: 4228384 (1980-10-01), Arnold, Jr. et al.
patent: 4336517 (1982-06-01), Kobayashi et al.
patent: 4366402 (1982-12-01), Marsoner
patent: 4374336 (1983-02-01), Shimizu
patent: 4517480 (1985-05-01), Muller

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