US PATENT SUBCLASS 123 / 41.22
.~.~.~ Intake or carburetor connection

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

41.01  DF  COOLING {27}
41.2  DF  .~ With vapor generation and/or condensing {1}
41.21  DF  .~.~ Coolant circulation with condensing {6}
41.22.~.~.~ Intake or carburetor connection

DEFINITION

Classification: 123/41.22

(under subclass 41.21) Cooling systems in which a connection to the combustion intake or carburetor reduces pressure in the system or a portion of it, usually to promote circulation or reduce the boiling point of the coolant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

25, for systems in which vapor from the cooling system is drawn into the combustion chamber to effect combustion.

41.17, for systems in which coolant escapes directly into the combustion chamber or valve passages or is exposed thereto.