by hot gases, e.g. by mixing cold and hot air

Introduced: September 1968

Last revised: January 2006

Full Title

Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture > for heating > combustion-air or fuel-air mixture > by hot gases, e.g. by mixing cold and hot air

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Subclass:: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

2 direct subcodes

Child Classifications

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F02M 31/07 Temperature-responsive control, e.g. using thermostatically-controlled valves
F02M 31/08 the gases being exhaust gases