Patent · US Expired

Method of torque phase shift control for an electronic automatic transmission system

US4969098A · kind A · utility

29Cited by
50References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 1988
Grant dateNov 6, 1990
Priority date
Expiry dateApr 29, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2061/0087
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A method of torque phase shift control for an electronic automatic transmission system to determine the apply rate of a fluid actuating device and adjusts the same to match the torque build-up of the apply element to the torque fall-off of the release element during shifting of the transmission.

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