US PATENT SUBCLASS 475 / 61
.~.~.~ Control of or by fluid circuit

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}
59  DF  .~ Impeller-turbine type fluid circuit in series with planetary gearing {6}
60  DF  .~.~ And condition responsive control {1}
61.~.~.~ Control of or by fluid circuit {2}
62  DF  .~.~.~.~> Control responsive to relative impeller and turbine speeds {1}
64  DF  .~.~.~.~> Fluid circuit controlled {1}

DEFINITION

Classification: 475/61

Control of or by fluid circuit:

(under subclass 60) Subject matter wherein said means regulates the operation of the fluid torque transmitting means, or affects the operation of the mechanical drive train* in response to a condition of the fluid torque transmitting means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

42, and 48+, for related art.

SEE OR SEARCH CLASS

477, Interrelated Power Delivery Controls, Including Engine Control,

61, for this combination and a motor control. [figure] [caption]stator torque affects fluid pressure