Patent · US Expired

Method of shift control during a coastdown shift for an electronic automatic transmission system

US5211080A · kind A · utility

29Cited by
19References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1990
Grant dateMay 18, 1993
Priority date
Expiry dateMay 24, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19158
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A method is provided which controls the release element during a coastdown shift to prevent the release element from venting whenever slip is detected to ensure enough fluid volume to apply the release element if needed for an electronic automatic transmission system.

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