LIQUID HEATING DEVICE Russian patent published in 2007 - IPC F24J3/00 

Abstract RU 2313736 C2

FIELD: heating engineering, particularly liquid heating equipment.

SUBSTANCE: liquid heating device comprises heat-generator having outlet pipe, electrically driven main-line pump connected to heat-generator, supply and return pipelines provided with shutoff valves, which establish heat-generator communication with heat-exchangers. Heat-insulated sealed heat-exchanger is arranged between outlet pipe and supply pipeline. The heat-exchanger has turbine communicated with electric drive. Outlet heat-generator pipe is made as converging nozzle provided with curvilinear grooves in inner surface thereof. The curvilinear grooves extend from inlet orifice to outlet one in longitudinal direction.

EFFECT: increased energy-conversion efficiency.

1 dwg

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RU 2 313 736 C2

Authors

Zakharov Ivan Safonovich

Emel'Janov Sergej Gennad'Evich

Kobelev Nikolaj Sergeevich

Shevchenko Oleg Ul'Janovich

Dates

2007-12-27Published

2005-10-19Filed