Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24H
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
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7/00
Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
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F24H7/02
the released heat being conveyed to a transfer fluid
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F24H7/04
with forced circulation of the transfer fluid
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F24H7/0408
using electrical energy supply
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