HOT-WATER BOILER Russian patent published in 2007 - IPC F24H1/08 

FIELD: water heating equipment, particularly used in self-contained heat supply systems.

SUBSTANCE: boiler comprises body made of two coaxial shells defining annular space in-between. Arranged in the annular space are fire tubes of convective bindle and heat carrier heating loop. The boiler also has furnace chamber defined by inner shell interior, working thermostat, fuel bin and burner arranged in furnace chamber and connected through automatic fuel supply system with fuel bin and automatic air supply means with pressurizer fan to provide combustion. Automatic fuel supply system is made as conveyer activated by motor-reductor. Working thermostat controls electric current feed to fan and motor-reductor with the use of programmable controller.

EFFECT: provision of boiler operation optimization, reduced fuel consumption and CO emission, as well as increased safety.

13 cl, 6 dwg