Patent · US Expired

Hydraulic pressure control apparatus for a continuously variable transmission

US4619629A · kind A · utility

20Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1984
Grant dateOct 28, 1986
Priority date
Expiry dateMay 3, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H59/42
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic pressure control apparatus for a continuously variable transmission. A hydraulic pressure, which is supplied to a cylinder of an output disc, is controlled to be a minimum value while obtaining a necessary torque to transfer between a belt and discs.

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