Patent · US Expired

Compound transmission and shift control therefor

US4974468A · kind A · utility

25Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 1989
Grant dateDec 4, 1990
Priority date
Expiry dateFeb 16, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20073
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A compound transmission (10) comprising a main transmission section (12) connected in series with a range type multiple speed auxiliary drive train unit (14) having at least two selectable range type ratios, and a combined shift control unit (56) therefor, is provided.

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