US PATENT SUBCLASS 123 / 41.16
.~ Coolant sealed in cylinder valve or piston

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

41.01  DF  COOLING {27}
41.16.~ Coolant sealed in cylinder valve or piston

DEFINITION

Classification: 123/41.16

(under subclass 41.01) Cylinders, pistons, or valves with chambers containing a confined coolant therein which may be either a liquid, solid or gas.

(1) Note. If there is also an external flow circuit, there is no communication between the two.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

176, for a piston provided with an enclosed insulating space therein.