US PATENT SUBCLASS 475 / 81
.~.~.~ With constant speed ratio between input and one fluid unit

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}
72  DF  .~ Fluid pump and motor in one of plural paths to or from planetary gearing {6}
80  DF  .~.~ Plural speed ranges {1}
81.~.~.~ With constant speed ratio between input and one fluid unit {1}
82  DF  .~.~.~.~> Having single planet carrier

DEFINITION

Classification: 475/81

With constant speed ratio between input and one fluid unit:

(under subclass 80) Subject matter wherein an input member* has a constant speed ratio* with the fluid drive in all conditions of operation. [figure] [caption]pump; motor