Protected reversing contractor using a multifunctional transmiss

Details Protected reversing contractor using a multifunctional transmiss Protected reversing contractor using a multifunctional transmiss

1990-02-01

1992-03-24

Pellinen, A. D.

Electricity: electrical systems and devices

Polarity reversing

361102, 361167, 361193, 335131, H02P 320, H01H 6712, H01H 7336, H02H 310

Patent

active

050993852

ABSTRACT:
A protected reversing contactor is disclosed comprising two electromagnets intended to be alternately energized and whose armatures actuate two sets of respective phase switches and two acknowledgement switches mounted respectively in series in the supply circuit of the two coils of the two electromagnets. These two acknowledgement switches are actuated by a transmission system comprising two coaxial rotary shafts disposed end to end and each having an arm adapted to be driven in rotation, in one direction, by one of the electromagnets and a finger cooperating with the acknowledgement switch of the other electromagnet.

REFERENCES:
patent: 4803587 (1989-02-01), Fournier et al.
patent: 4947145 (1990-08-01), Ohishi et al.

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