Patent · US Expired

Semi-automatic mechanical transmission control and control method

US4930081A · kind A · utility

31Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1987
Grant dateMay 29, 1990
Priority date
Expiry dateNov 16, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2312/022
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A control system and method for a semi-automatic mechanical transmission system (10) is provided for allowing operator request for a direct downshift into transmission neutral, under certain predefined conditioned, by a single movement of the shift lever (1).

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