Patent · US Expired

Hydrostatic vehicle drive with control device and control device for hydrostatic drives

US6427441B2 · kind B2 · utility

17Cited by

2References

11Claims

0Family size

Assignee

SAUER-DANFOSS INC. · US

Inventors

Martin Wustefeld · Waldkirch, DE
Jurgen Ploog · Quarnbek, DE
Bernd Hames · Henstedt-Ulzburg, DE
Bernd HÄNISCH · Rendsburg, DE

Key dates

Filing date	Dec 29, 2000
Grant date	Aug 6, 2002
Priority date	—
Expiry date	Jan 2, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H61/472
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A hydrostatic vehicle drive has a control (5) for controlling an output torque of the drive and another control device (5) for controlling the output torque of a hydrostatic drive, the control device (5) having a controllable pressure-limiting valve (6) by means of which the working pressure can be adjusted and which is used for sensitive control of the output torque of a hydraulic motor (3). The pressure-limiting valve (6) can be controlled by a proportionally adjustable pressure-reducing valve (7).

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