Swinging type power generator

Details Swinging type power generator Swinging type power generator

1996-02-02

1997-11-04

Roskoski, Bernard

Horology: time measuring systems or devices

Power supply details

Electrical

368 64, 368179, G04B 2712, G04C 300

Patent

active

056847610

ABSTRACT:
An improved swinging type generator for use in automatic wrist watches is disclosed. It contains: (a) a base with a center shaft hole, (b) a stator mounted on the base containing at least one layer of ring-shaped coil plate having at least one periodic-wave-shaped induction coil arranged on and along a circumference of the ring-shaped coil plate; (c) an unbalanced-and-weighted swinging magnetic rotor having a central rotary shape. The rotary shaft is mounted in the shaft hole of the base, and the unbalanced-and-weighted swinging magnetic rotor includes a magnetic ring having a plurality of magnets arranged in a head-to-tail manner along a circumference of the magnetic ring. In a preferred embodiment the induction coil has the shape of a multiple-cycle square-wave, and the angle of the square wave equals the magnetic angle, which is the angle formed between half of the arc length of an individual magnet of the magnetic ring and the center of the shaft hole, so as to maximize the electro-motive force that can be generated.

REFERENCES:
patent: 4008566 (1977-02-01), McClintock
patent: 4644246 (1987-02-01), Knapen
patent: 5278806 (1994-01-01), Affolter

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