Appliance control system

Details Appliance control system Appliance control system

1998-03-13

2000-08-29

Palys, Joseph E.

Data processing: generic control systems or specific application

Specific application, apparatus or process

Electrical power generation or distribution system

700274, 700209, G05D 900

Patent

active

061121355

ABSTRACT:
A control system for preventing the occurrence of unsafe operating conditions on an appliance load comprises first and second switch elements coupled to said appliance load; first controller means coupled to said first switch element for detecting a first predetermined fault condition and producing a first fault detection signal in response to said detection of said predetermined fault condition, said first fault detection signal deactivating said first switch element and de-energizing said load; and second controller means coupled to said second switch element for detecting a second predetermined fault condition and producing a second fault detection signal in response to said detection of said predetermined fault condition, said second fault detection signal deactivating said second switch element and de-energizing said load.

REFERENCES:
patent: 4345145 (1982-08-01), Norwood
patent: 4817582 (1989-04-01), Oslin et al.
patent: 4851644 (1989-07-01), Oslin
patent: 5324918 (1994-06-01), Kadwell et al.
patent: 5378874 (1995-01-01), Holling et al.
patent: 5534678 (1996-07-01), Bowles et al.

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