US PATENT SUBCLASS 123 / 41.03
.~.~ Float control

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

41.01  DF  COOLING {27}
41.02  DF  .~ Automatic coolant flow control {4}
41.03.~.~ Float control

DEFINITION

Classification: 123/41.03

(under subclass 41.02) Cooling systems wherein the control of the coolant flow is directly or indirectly controlled by a device which floats on the surface of the coolant.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation,

52, for float control combined with thermal sensing means.