US PATENT SUBCLASS 475 / 33
.~ Plural impeller-turbine type fluid circuits

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.~ Plural impeller-turbine type fluid circuits {1}
34  DF  .~.~> Fill and empty type

DEFINITION

Classification: 475/33

Plural impeller-turbine type fluid circuits:

(under subclass 31) Subject matter wherein two fluid torque transmitting means are present in the drive train* and each includes a rotary vaned pump which acts as an input element and a coaxial rotary vaned turbine which acts as an output element.

(1) Note. For a more detailed description of this type of fluid drive see Class 60 subclass 330 and the notes thereunder. [figure]