US PATENT SUBCLASS 261 / 127
WITH EXTERNAL SUPPLY OR REMOVAL OF HEAT

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

127WITH EXTERNAL SUPPLY OR REMOVAL OF HEAT {14}
128  DF  .~> Processes
129  DF  .~> Temperature or humidity sensor {1}
131  DF  .~> Automatic control of heat supply or heat effect
133  DF  .~> With mixer for supplementary gas and gaseous contactor product {1}
135  DF  .~> With indicator or tester
136  DF  .~> Combined
137  DF  .~> Interconnected heat supply and contact fluid flow controllers
138  DF  .~> Diverse heat supply or removal means {1}
140.1  DF  .~> Refrigeration producer {1}
141  DF  .~> Heat producer {2}
146  DF  .~> Plural distinct contact zones {1}
150  DF  .~> Heat exchange means in one of plural liquid feed paths
151  DF  .~> Recirculating fluid
152  DF  .~> Heat exchange means at or downstream of contact zone {5}

DEFINITION

Classification: 261/127

Subject matter under the definition wherein the contact fluids have heat supplied to or removed from them before, after or during contact by a fluid or means other than the unreacted contact fluids themselves.

SEE OR SEARCH CLASS

48, Gas: Heating and Illuminating,

107, for apparatus preparing heating or illuminating gas from fuel oil involving a chemical reaction or for apparatus in which oil is completely vaporized and subsequently mixed with air.

62, Refrigeration,

304+, for apparatus specialized to cooling a material out of contact with the fluids undergoing gas and liquid contact and for gas and liquid contact devices specialized by structure to refrigeration.

165, Heat Exchange,

60, for a combined heating and cooling arrangement having a gas-liquid contact device as an element; and subclass 110 for heat exchange structure in which gas and liquid are in contact having heat exchange elements additional to those perfecting the gas liquid contact operation. 237, Heating Systems,

78, for a radiator of a heating system with a humidifying means.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, appropriate subclasses for means for generating fumes.