Electrical motor-control device for electrical equipment

Details Electrical motor-control device for electrical equipment Electrical motor-control device for electrical equipment

1976-07-22

1978-01-03

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 78, 310 83, 335 69, H02K 706

Patent

active

040669220

ABSTRACT:
Electrical motor-control device for electrical equipment comprising a drive mechanism including an electric motor and a movement transformation mechanism including an endless screw on which is installed a linearly displaceable nut connected with slight play to an operating member of the electrical equipment. A torque limiter is inserted between the drive mechanism and the movement transformation mechanism. The torque limiter comprises a disk made of rough material integral with a worm screw and has component parts in the form of segments of a ring connected by springs clamping the said disk made of friction material. Applications: remote control of electric circuit-breakers.

REFERENCES:
patent: 3171920 (1965-03-01), Klein et al.
patent: 3296565 (1967-01-01), Kiesel et al.
patent: 3819966 (1974-06-01), Noguchi

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