Hot wire safety switch

Details Hot wire safety switch Hot wire safety switch

1996-09-12

1998-07-14

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

49 27, 318471, 200 81R, 200 819R, H02P 729

Patent

active

057809402

ABSTRACT:
A remote switch includes a fluid-containing tube connected to a fluid-sensing switch. A hot wire sensor detects changes in flow through the conduit tube and is electrically connected to breaker switch circuitry. Because the switch is responsive to flow, rather than pressure, the operation of the switch will continue, even if the conduit becomes punctured, cut or damaged. The device is particularly useful as a means for actuating a safety switch to interrupt the electrical power in an emergency.

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