Patent · US Expired

Hydraulic control system for continuously variable V-belt transmission with hydrodynamic transmission unit

US4478105A · kind A · utility

35Cited by
11References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 26, 1982
Grant dateOct 23, 1984
Priority date
Expiry dateMar 26, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19153
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A continuously variable V-belt transmission comprises means for producing a signal indicative of state of a hydrodynamic transmission unit which is drivingly connected to a continuously variable V-belt transmission unit. A line pressure regulator valve regulates fluid supplied by a pump in response to the signal to produce a line pressure variable depending upon the state of the hydrodynamic transmission unit.

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