US PATENT SUBCLASS 432 / 219
HEAT GENERATOR HEATS GAS OR LIQUID MATERIAL IN A FLOW STRUCTURE

Current as of: June, 1999
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432 /   HD   HEATING

219HEAT GENERATOR HEATS GAS OR LIQUID MATERIAL IN A FLOW STRUCTURE {3}
220  DF  .~> With pump for the material driven by energy from the heat generator
221  DF  .~> With means utilizing the heated material for heating work
222  DF  .~> Material heated by mixing with combustion products of generator {1}

DEFINITION

Classification: 432/219

(under the class definition) Apparatus including a means converting another form of energy to heat energy and structure for adding the generated heat to a flowing stream of a fluid or plastic material that is either work material or a part of the heating apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31+, for a residual process of heating a liquid.

40, for the automatic control of an air heater of the hot blast stove type.

90, for a residual combination of a boiler and a work heating furnace.

201+, for a work chamber to which air from an air heater is supplied to flow through the chamber.

215, for a heat generator heating a fluent mass of heat storage material.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers, appropriate subclass for a closed water heater.

126, Stoves and Furnaces,

344+, for an open water heater; subclasses 67+ for a residual heating stove for heating and circulating a current of air. subclasses 99+ for a furnace heating air in a jacket for distribution to a remote room; and subclasses 500+ for a hot air fireplace; subclasses 561+ and 569+ for devices for heating water by solar energy.

137, Fluid Handling,

334+, for a residual fluid handling system with heating or cooling of the system.

159, Concentrating Evaporators, appropriate subclass for an apparatus of general utility in concentrating a liquid.

196, Mineral Oils: Apparatus,

104+, for vaporizing apparatus peculiarly designed for use in the distillation of mineral oils.

202, Distillation: Apparatus,

163+, for a separatory distillation still. 261, Gas and Liquid Contact Apparatus,

141+, for a gas and liquid contact device having a heat generator.

392, Electric Resistance Heating Devices,

311+, for a fluid heater specialized to the use of electricity as the heat source.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

285+, and 307+ for apparatus for concentrating liquids in liquids by heat.