Automatic transfer switch apparatus

Details Automatic transfer switch apparatus Automatic transfer switch apparatus

2005-11-21

2008-12-23

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

C307S067000, C307S112000

Reexamination Certificate

active

07468566

ABSTRACT:
An Automatic Transfer Switch (ATS) having a switch configured to connect one of two sources to a load, a mechanical drive, an actuator, and a solid state control relay is disclosed. The mechanical drive is configured to drive the switch between a first position and a second position, the first position connecting the switch to the first source, and the second position connecting the switch to the second source. The actuator is in mechanical communication with the mechanical drive to cause the mechanical drive to move on command. The solid state control relay is responsive to an external signal and productive of a control signal, wherein the actuator is responsive to the control signal to cause the mechanical drive to move.

REFERENCES:
patent: 5739594 (1998-04-01), Sheppard et al.
patent: 6819012 (2004-11-01), Gabrys
patent: 6849967 (2005-02-01), Lathrop et al.
“Basic Concepts of SSRs”, Omron, Chapter 1, Section 1-1, pp. 8-13, 2001.

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