Patent · US Active

Hydrostatic transmission

US7841442B2 · kind B2 · utility

5Cited by

8References

8Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Torsten Berg · Pulsnitz, DE
Jurgen Legner · Friedrichshafen, DE
Jörg Geis · Markdorf, DE

Key dates

Filing date	Jan 22, 2004
Grant date	Nov 30, 2010
Priority date	—
Expiry date	Apr 25, 2027

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H59/72
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A hydrostatic transmission that is operated in an open loop by way of an adjustable hydraulic motor (5), which is adjusted for the purpose of acceleration or deceleration with the aid of an electronic control unit (8) such that a desired vehicle speed corresponds to a measured vehicle speed.

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