Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1991-08-23
1993-01-05
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
74 61, H02K 7075, B06B 116
Patent
active
051773864
ABSTRACT:
A vibration generator comprises a first rotational shaft 21 and second rotational shaft 22, with fixed driving gears 31 and 33, movable driving gears 32 and 34, fixed eccentric weights 51A and 52A, and movable eccentric weights 51B and 52B, and on the outer periphery of the phase adjustment shaft 23 which is arranged in parallel therewith, spiral grooves 61 and 62 are provided at two locations in the rotative directions opposite to each other, and at the same time, on the inner periphery of a pair of phase adjustment gears 35 and 36, pins 63 and 64 are planted to be slidably fitted into the above-mentioned spiral grooves 61 and 62. Then, the phase adjustment shaft 23 is forced by a cylinder 50 in the axial direction.
The vibromotive force can be varied arbitrarily and infinitely, even during operation; yet the structure is simple and rational, and is fabricated easily.
REFERENCES:
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patent: 4113034 (1978-09-01), Carlson
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patent: 4389137 (1983-06-01), Riedl
patent: 4766771 (1988-08-01), Bailey et al.
patent: 4793196 (1988-12-01), Davis et al.
patent: 4819740 (1989-04-01), Warrington et al.
Kencho Kobe Co., Ltd.
Rebsch D. L.
Stephan Steven L.
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