Means to control the operating cycle of an electric motor operat

Details Means to control the operating cycle of an electric motor operat Means to control the operating cycle of an electric motor operat

1996-08-05

1998-06-09

Walczak, David J.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

200401, H01H 500

Patent

active

057621810

ABSTRACT:
This invention relates to a high ampere-rated circuit breaker which meets the electrical code requirements of the world market. The charging of the powerful operating springs controlling the circuit breaker contacts is made automatically by means of an electric motor. The circuit breaker operating handle connects with the operating springs upon stalling of the electric motor. An electrical switching arrangement is used to remove power from the motor operator unit at the completion of the charging cycle.

REFERENCES:
patent: 4001742 (1977-01-01), Jencks et al.
patent: 4370635 (1983-01-01), Carroll et al.
patent: 5424701 (1995-06-01), Castonguay et al.
patent: 5486667 (1996-01-01), Castonguay et al.
patent: 5489755 (1996-02-01), Castonguay et al.
patent: 5584383 (1996-12-01), Matsuo et al.
British Application #P87, 407 M.A. Zaffetti, et als. Closing Arrangement for High Ampere-Rated Circuit Breakers License No.: 506,162.
U.S. Application Ser. No. 08/1315,385, Filed: Sep. 30, 1994, M. A. Zaffetti, et als. Interlock for High Ampere-Rated Circuit Breaker Closing Springs, Docket No.: 41PR-7136.
U.S. Application Ser. No. 08/220,382 (Pat. #5,545,867--Issuing on Aug. 13, 1996) Filed: Mar. 30, 1994, R.N. Castonguay et als. A Motor Operator Interface Unit for High Ampere-Rated Circuit Breakers, Docket No. 41PR-7121.

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