Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F28
HEAT EXCHANGE IN GENERAL
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F28C
HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
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3/00
Other direct-contact heat-exchange apparatus
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F28C3/10
one heat-exchange medium at least being a fluent solid, e.g. a particulate material
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F28C3/12
the heat-exchange medium being a particulate material and a gas, vapour, or liquid
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F28C3/16
the particulate material forming a bed, e.g. fluidised, on vibratory sieves
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