Patent · US Expired

Planetary transmission

US4195536A · kind A · utility

0Cited by
12References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1976
Grant dateApr 1, 1980
Priority date
Expiry dateDec 8, 1996

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H3/66
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A planetary transmission mechanism comprising two simple planetary gear sets driven by the engine of a vehicle by an input clutch or torque converter and having four friction engaging devices and a one-way engaging device to establish four forward driving ratios and reverse through the transmission. A center output gear is mounted between the input clutch or torque converter and the planetary gear sets. The pair of friction engaging devices comprising clutches associated with the planetary gear set are mounted immediately adjacent the gear input elements which they connect.

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