Electricity: electrical systems and devices – Safety and protection of systems and devices – Motor protective condition responsive circuits
Patent
1976-10-13
1978-01-10
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Motor protective condition responsive circuits
307 10R, 361189, H02H 304
Patent
active
040682749
ABSTRACT:
An electromagnetic normally energized fault sensing and shut down switch is employed in a unique mode of operation with essential operating components of power equipment, such as engines, and in conjunction with normally open and normally closed safety switches. Costly power equipment is protected following failure or malfunction of any one operational accessory component and a fail-safe equipment monitoring and shut down system is provided.
REFERENCES:
patent: 3746926 (1973-07-01), Sparks
patent: 3764974 (1973-10-01), Melian
Murphy, Jr. Frank W.
Sparks Buddy G.
Frank W. Murphy Manufacturer, Inc.
Moose Jr. Harry E.
Weaver D. Paul
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