Patent · US Expired

Method of controlling the speed change of a kickdown shift for an electronic automatic transmission system

US4905545A · kind A · utility

30Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 1988
Grant dateMar 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 controlling the speed change of a kickdown shift for an electronic automatic transmission system by predicting how much time remains to fill the apply element after having achieved a predetermined target speed for the turbine of the torque converter.

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