HEAT EXCHANGE IN GENERAL

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: HEAT EXCHANGE IN GENERAL

Description

Covers apparatus and methods for transferring thermal energy between fluids or between a fluid and a solid surface, including heat exchangers, condensers, evaporators, and cooling devices. Encompasses various heat transfer mechanisms such as direct contact, indirect contact through walls, and phase-change processes, with designs ranging from simple tube-and-shell configurations to complex multi-stage systems. Includes control systems, accessories, and manufacturing techniques specific to heat exchange equipment, but excludes specialized applications assigned to other classes (such as refrigeration systems in F25 or internal combustion engine cooling in F01).

Related Keywords

HEAT-EXCHANGE apparatus in general

5 direct subcodes

Child Classifications

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F28B STEAM OR VAPOUR CONDENSERS
F28C HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEAT STORAGE PLANTS OR APPARATUS IN GENERAL
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28G CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS