Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1976-12-30
1979-03-06
Salce, Patrick R.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
340660, 361 88, 361 92, H02H 308
Patent
active
041434102
ABSTRACT:
Control circuit system wherein low level signals are delivered through small (miniature) gauge control conductors to remote control circuit breakers to control connection of load devices to load bus through use of solid state circuitry. Such control may be used between the flight station of an aircraft and the various load centers remote therefrom, in an automobile or in an industrial or utility system. The circuitry is also responsive to faults in the load circuits, and current limiting warning lights (CLWL's) located in the power supply of the control conductors may limit current and indicate the status of faults in the control and/or remote power circuits. A large number of CLWL's for the different circuits may be arranged in a matrix at a control station and means with corresponding load identifying indicia are provided to facilitate changes and correlation of lighted CLWL's with respect to the controlled load switching device. The load switching devices may be associated in a plurality of priority groups and means provided to disconnect all the devices in a group simultaneously either manually or sequentially in reverse order of group priority upon increasing power system failures or in response to other control logic.
REFERENCES:
patent: 3673588 (1972-06-01), Riff
patent: 3814986 (1974-06-01), Zanini
patent: 3944889 (1976-03-01), Conway
Flygare Ralph M.
Lockheed Aircraft Corporation
Salce Patrick R.
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