Patent · US Expired

System for automatically adjusting the gear ratio of a continuously variable transmission

US5860891A · kind A · utility

12Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 24, 1997
Grant dateJan 19, 1999
Priority date
Expiry dateMar 24, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/1926
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention is directed to a system for automatically adjusting the gear ratio of a continuously variable transmission mounted next to the motor of a vehicle. The gear ratio is adjusted with a specific speed. The essence of the invention is that a mechanism is provided which facilitates a determination of the speed of the adjustment of the gear ratio of the transmission in dependence upon detected operating parameters. With the system of the invention, an adjustment characteristic of the transmission is obtained which is comfortable for the driver of the vehicle.

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