by simultaneous or alternative use of direct air cooling and liquid cooling

Full Title

Cooling having pertinent characteristics not provided for in, or of interest apart from, groups > by simultaneous or alternative use of direct air cooling and liquid cooling

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

Subclass:

COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES