HEAT FIRE DETECTOR BY ABUSHKEVICH Russian patent published in 2010 - IPC G08B17/00

Abstract RU 2390849 C2

FIELD: fire safety.

SUBSTANCE: detector having light diode indicator, two transistors and two diodes, two capacitors, five resistors and two input terminals additionally comprises current limiter, the third transistor and third capacitor, and heat sensor is arranged on thermistor.

EFFECT: due to application of thermistor as heat sensor, detector actuation temperature stability is provided even under conditions of high vibration.

1 dwg

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RU 2 390 849 C2

Authors

Abushkevich Vladimir Antonovich

Dates

2010-05-27—Published

2008-07-15—Filed