Control system, control device therefor and methods of making th

Details Control system, control device therefor and methods of making th Control system, control device therefor and methods of making th

1993-08-05

1994-07-05

Wayner, William E.

Automatic temperature and humidity regulation

Motors

Relay

137 66, G05D 1500, F23D 516

Patent

active

053260295

ABSTRACT:
A control system, a control device therefor and methods of making the same are provided, the control device having an axially movable shaft for moving a movable valve into its latching position with an electromagnetic unit and also being rotatable from a first position thereof to a second position thereof to place and hold an electrical switch in an operating condition thereof, the switch being in series with the electromagnetic unit so that the electromagnetic unit can not have an electrical current flowing therethrough unless the switch is in the operating condition thereof.

REFERENCES:
patent: 3090560 (1963-05-01), Holzboog et al.
patent: 3507037 (1970-04-01), Dykzeul
patent: 3508708 (1970-04-01), Caparone et al.
patent: 4285662 (1981-08-01), Katchka et al.

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