TUBULAR ELECTRIC HEATER Russian patent published in 2001 - IPC

Abstract RU 2169441 C2

FIELD: electrical engineering. SUBSTANCE: invention deals specifically with electric heaters designed to heat water and other liquid media and gas and air atmosphere. In correspondence with invention concrete is used as dielectric filling agent and through duct is made in zone of axial line of tubular heater. Heater is installed vertically or with deviation from vertical line to create convection of air inside heated duct. EFFECT: increased reliability of electric heater in process of its operation. 1 dwg

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RU 2 169 441 C2

Authors

Polushkin G.A.

Dates

2001-06-20—Published

1998-03-04—Filed