HOT-WATER BOILER SYSTEM AND DEVICE FOR ITS CONTROL Russian patent published in 1997 - IPC

Abstract RU 2092744 C1

FIELD: heating systems. SUBSTANCE: replenishment tank which is open for atmospheric air is located in casing of boiler; water replenishment line is connected with hot-water supply line and is provided with electromagnetic valve; water replenishment tank is fitted with low level sensor which furnishes signal for opening or closing the electromagnetic valve to replenish water. For automatic supply of water to water chamber when required, overheating detection circuit is provided; this circuit is provided with switch to protect system against overheating; switch is located on the outside of boiler casing. Boiler system is also provided with circuit to protect circulating pump against seizure: pump is started for short period of time in summer when heating system is inoperative to have circulating pump ready for immediate use. EFFECT: enhanced reliability. 17 cl, 17 dwg

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RU 2 092 744 C1

Authors

Dzhin Min Choj[Kr]

Dates

1997-10-10—Published

1992-04-29—Filed