Patent · US Expired

Automatic stepless transmission

US4235125A · kind A · utility

8Cited by
3References
9Claims
0Family size

Inventor

Key dates

Filing dateFeb 6, 1979
Grant dateNov 25, 1980
Priority date
Expiry dateFeb 6, 1999

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H3/74
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The disclosure herein describes an automatic stepless transmission with a continuously changing gear ratio; the transmission comprises two differential gear mechanisms interconnected through a pair of gear connections so that the power flow from the first differential gear mechanism to the second differential gear mechanism is divided into two components when the transmission is "in gear".

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