DOMESTIC GAS FLOW-TYPE WATER HEATER Russian patent published in 2006 - IPC F24H1/00 F24H9/20 

FIELD: water heaters; hot water supply systems.

SUBSTANCE: proposed water heater is provided with casing with block cock and gas pipe line inside it; block cock has control handle and gas pipe line is provided with automatic and safety systems. Proposed water heater is also provided with heat exchanger connected with supply and return water pipe lines and gas flow temperature regulator adaptable to preset heating temperature of water. Temperature regulator consists of interconnected water thermostat and gas flow regulator; gas flow regulator is connected with block cock by means of gas chamber; bypass hole is provided at working burner outlet; bypass hole is engageable with regulating valve which is spring-loaded relative to wall of chamber and is kinematically linked with bellows located in thermostat water chamber; it is spring-loaded relative to pressure screw setting the clearance in bypass hole by means of valve. Thermostat chamber is brought into communication with heat exchanger by means of return pipe line and is connected at outlet with heated water dispensing pipe line.

EFFECT: enhanced economical efficiency of water heater.

3 cl, 1 dwg