Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1986-10-06
1988-11-08
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307141, 307117, 200 6186, 200 35R, 200 30R, 431 69, 25112913, 137 65, H01H 3500, F23N 500
Patent
active
047836008
ABSTRACT:
An automatic controller for a master gas switch includes a timer for keeping the switch opened for a selectable time. The controller includes an electrical motor for rapidly closing the switch. The motor is responsive to two conditions: When the timer reaches the end of a selectable time, it energizes the motor to cause the gas switch to close. Secondly, a flame induction rod monitors a gas burner flame, and when the flame stops, such rod causes a relay to close and energize the motor for gas switch closure.
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Logan Sharon D.
Shoop Jr. William M.
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