HEATER EXCHANGER FOR HEATER, PARTICULARLY, FOR AUTOMOBILE HEATER Russian patent published in 2005 - IPC

FIELD: mechanical engineering.

SUBSTANCE: invention is designed for use in self-contained heaters of vehicles. Proposed heat exchanger contains outer housing 12 in form of pot with peripheral wall 16 arranged in direction of longitudinal axis L of housing, and bottom 18, and inner housing 14 in form of pot with peripheral wall 20 arranged in direction of longitudinal axis L of housing, and bottom 22. Pass-through chamber 26 for fluid medium to be heated is made between inner housing 14 and outer housing 12. Inner housing 14 of section of its peripheral wall 20 is made so that screw-like device with convexities and concavities 38 is formed along longitudinal axis L on outer side 40 of peripheral wall 20 pointed to chamber 26 for fluid medium and on inner side 46 of peripheral wall 20 pointed from chamber 26 for fluid medium positioned to side of pass-through chamber 34 for exhaust gases.

EFFECT: improved operating characteristics of heater.

10 cl, 1 dwg