IMMERSION HEATER Russian patent published in 2011 - IPC F24H1/06 

FIELD: power industry.

SUBSTANCE: immersion heater contains hollow housing with detachable partition which in lower part ends with fuel arrangement chute. Detachable partition divides the housing in longitudinal direction into air intake and chamber. In upper part of detachable partition on the axis there installed is deflector which is combined with stack and does not exceed the length of detachable partition, which prevents penetration of fuel combustion products to immersion heater and accelerates dry fuel combustion process.

EFFECT: immersion heater can be combined with thermos and operates on solid alcohol tablets.