Patent · US Expired

Method for controlling continuously variable transmission

US4663990A · kind A · utility

93Cited by
15References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 1986
Grant dateMay 12, 1987
Priority date
Expiry dateJan 27, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H61/66259
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A method for controlling a continuously variable transmission installed in an engine. The method controls the continuously variable transmission so that the actual maximum speed ratio of the continuously variable transmission may be set to be lower than the maximum speed ratio within the range where the speed ratio can be controlled.

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