Patent · US Expired

Shift rod position indication system

US4592249A · kind A · utility

29Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 1984
Grant dateJun 3, 1986
Priority date
Expiry dateApr 16, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20018
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A shift rod position indicator system for an automotive vehicle transmission includes a plurality of position sensors fixed to the housing of the transmission and actuating means moved by shift rods in proximity to the sensors which generate an electrical signal according to the displacement of the shift rod during the shifting operation, the electrical signal corresponding with initial and full engagement of the gear, the signal being maintained over the extent of gear engagement to provide an electronic control circuit with information so as to permit the synchronized operation of clutches to effect a semi-automatic gear change.

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