Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1985-07-29
1987-01-27
Wong, Peter S.
Electrical generator or motor structure
Dynamoelectric
Rotary
123585, 310268, 335222, H02K 1732
Patent
active
046396241
ABSTRACT:
A torque motor including a housing, a shaft member extending through the housing and supported by bearings, a stationary core in the housing and at least one coil fixed to the shaft member and arranged for rotation with respect to the stationary core within a finite range. Magnets are fixed to the housing for imparting rotational force to the coil and support members are provided in the housing for fixedly supporting the stationary core. The coil is provided with oppositely disposed free ends and extends across the stationary core between the free ends such that each of the free ends projects beyond an outer peripheral surface of the stationary core without contacting the stationary core. The support members include at least two plate members on opposite sides of the shaft member, the magnets being within the housing at portions other than where the support members are disposed.
REFERENCES:
patent: 3530380 (1970-09-01), Andreaggi
patent: 3611222 (1971-10-01), Sauvignet
patent: 4388913 (1983-06-01), Grimm et al.
patent: 4443724 (1984-04-01), Handlykken
patent: 4553058 (1985-11-01), Iwasaki
patent: 4558937 (1985-12-01), Petersen et al.
Ejiri Yuuki
Ito Tomoo
Kamifuji Hiroshi
Tsuruta Hisato
Hitachi , Ltd.
Rebsch D. L.
Wong Peter S.
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