Control device and method of making the same

Details Control device and method of making the same Control device and method of making the same

1994-11-04

1996-01-16

Wayner, William E.

Automatic temperature and humidity regulation

Motors

Relay

137 66, C05D 1500, F23D 516

Patent

active

054841038

ABSTRACT:
A control device and method 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 cause an electrical switch to be in a closed condition thereof, the switch being a normally closed switch and 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 closed 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.
patent: 5326029 (1994-07-01), Schultz

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