Patent · US Expired

Vehicle drive

US4056989A · kind A · utility

6Cited by
8References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 1976
Grant dateNov 8, 1977
Priority date
Expiry dateMay 28, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19167
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A drive system for a vehicle includes a fluid pump which drives a fluid motor which in turn drives a variable speed transmission of the type including an input toroidal disc, an output toroidal disc, and wheel means rollingly connecting the input and output discs, with the output disc being used to drive the vehicle.

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