Intrinsically safe power supply apparatus

Details Intrinsically safe power supply apparatus Intrinsically safe power supply apparatus

1974-06-18

1976-05-04

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

317 16, 317 18C, 317 33R, 320 43, 320 53, 323 8, 323 22Z, G05F 308, H02H 900

Patent

active

039551326

ABSTRACT:
A battery powered circuit has the battery source divided into serially connected sections and each section is shunted by a diode. The breakdown of one section gives only a low powered spark under fault conditions. The circuit can be used in hazardous environments such as coal mines or petrol installations.

REFERENCES:
patent: 2624033 (1952-12-01), Jacquier
patent: 3148322 (1964-09-01), Booe et al.
patent: 3202900 (1965-08-01), McGivern, Jr.
patent: 3229185 (1966-01-01), Nye, Jr.
patent: 3263092 (1966-07-01), Knauss
patent: 3813578 (1974-05-01), Tiffany
Instruments and Control Systems, Jan. 1973, p. 99.

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