US PATENT SUBCLASS 475 / 114
.~ Fluid control of friction planetary gearing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

31  DF  FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11}
114.~ Fluid control of friction planetary gearing {1}
115  DF  .~.~> Stepless ratio change controlled

DEFINITION

Classification: 475/114

Fluid control of friction planetary gearing:

(under subclass 31) Subject matter wherein the planetary transmission that is regulated by fluid pressure includes a toothless planet pinion* capable of transmitting force by frictional contact.