Patent · US Expired

Toroidal transmission with split torque and equalization planetary drive

US5044214A · kind A · utility

81Cited by
8References
8Claims
0Family size

Inventor

Key dates

Filing dateDec 11, 1989
Grant dateSep 3, 1991
Priority date
Expiry dateDec 11, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H37/086
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A traction transmission mechanism comprising toric shaped inner and outer race elements, a series of pairs of transmission rollers arranged between the race elements, an epicycle gear train, and drive shaft and driven shaft or other structure constructively cooperating with the mechanism, to efficiently and compactly furnish output force, in either direction, with the transmission incorporating various load equalization mechanisms to balance roller element tangential and radial forces.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.