Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1993-08-03
1996-03-05
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 82, 310 83, H02K 2112
Patent
active
054970415
ABSTRACT:
In a low speed geared motor, a rotational magnetic field is formed in a stator against S-poles and N-poles in a permanent magnetic ring capable of being elliptically deformed. An external gear is rotated while internally meshing with an internal gear by means of rotation of the elliptical deformation caused in the permanent magnetic ring by the rotational magnetic field. As a result, the external gear is rotated on its axis by a difference between the number of teeth in the external gear and that in the internal gear for one rotation of the elliptical deformation. The rotational component is transmitted to an output shaft through a transmission means while absorbing the elliptically deformed component. With this construction, it is possible to enhance the energy conversion efficiency with a small size, to achieve a longer continuous operation, to almost eliminate backlash and hysteresis, to reduce the angular momentum, to improve. controllability for starting, stopping or acceleration/deceleration, and to achieve the mass-production with a low cost.
REFERENCES:
patent: 3561006 (1971-02-01), Humphreys
patent: 4044274 (1977-08-01), Ohm
patent: 4237751 (1980-12-01), Davis
patent: 4379976 (1983-04-01), Pitchford
patent: 4684836 (1987-08-01), Hart
Kondoh Masatoshi
Minegishi Kiyoji
Skudy R.
Sumitomo Heavy Industrie's, Ltd.
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