Power strip transfer mechanism

Details Power strip transfer mechanism Power strip transfer mechanism

2007-04-24

2007-04-24

Nguyen, Chau N. (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

C307S023000

Reexamination Certificate

active

10653366

ABSTRACT:
A transfer switch is provided for transferring the supply of electrical power to a load between a utility source and a generator that generates electrical power when started. The transfer switch includes a transfer relay that selectively connects the load to one of the utility source and the generator in response to the application of electrical power on the coil of the transfer relay by the generator. A generator relay having a coil operatively connected to the utility source is also provided. The generator relay provides a signal to the generator to start in response to the absence of electrical power on the coil of the generator relay by the utility source.

REFERENCES:
patent: 5268850 (1993-12-01), Skoglund
patent: 6166525 (2000-12-01), Crook
patent: 6172432 (2001-01-01), Schnackenberg et al.
patent: 6369463 (2002-04-01), Maiorano
patent: 2002/0084697 (2002-07-01), Radusewicz
patent: 2002/0117900 (2002-08-01), Perttu
patent: 2004/0124710 (2004-07-01), Pfeiffer
patent: 2004/0172204 (2004-09-01), Eaton et al.

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