US PATENT SUBCLASS 475 / 34
.~.~ Fill and empty type

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

31  DF  FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11}
33  DF  .~ Plural impeller-turbine type fluid circuits {1}
34.~.~ Fill and empty type

DEFINITION

Classification: 475/34

Fill and empty type:

(under subclass 33) Subject matter wherein one of the fluid torque transmitting means may be emptied or filled to change the speed ratio. [figure] [caption]fluid volume control valve