Patent · US Expired

Shift control method/system

US5335566A · kind A · utility

57Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 1992
Grant dateAug 9, 1994
Priority date
Expiry dateJul 6, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19251
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A control system/method for an at least partially automated mechanical transmission system (10) is provided for determining if selected upshifts into a target gear ratio are feasible (208) or not feasible (210) under current vehicle operating conditions and for prohibiting the initiation of not feasible selected upshifts.

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