Patent · US Expired

Motor vehicle automatic transmission

US5078663A · kind A · utility

6Cited by
8References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 17, 1990
Grant dateJan 7, 1992
Priority date
Expiry dateSep 17, 2010

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2200/201
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A shifting arrangement of an overdrive position of a fourth gear is connected behind a shifting arrangement of a Simpson gear set of a first gear and/or a second gear. The connection transforms a conventional four-speed automatic transmission into a five-speed automatic transmission or a six-speed automatic transmission.

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