Patent · US Active

Drive control method and system for operating a hydraulic driven work machine

US9506222B2 · kind B2 · utility

8Cited by

7References

19Claims

0Family size

Assignee

Volvo Construction Equipment AB · SE

Inventors

Judith Britten · Aichach, DE
Daniel Muller · Stein am Rhein, CH
Thomas Schaefer · Trier, DE
Bernd Faber · Konz, DE

Key dates

Filing date	Aug 26, 2011
Grant date	Nov 29, 2016
Priority date	—
Expiry date	Jul 15, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2059/465
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A system and a method for operating a hydraulic driven work machine including a hydraulic travel motor having a variable displacement is provided, wherein a flow of hydraulic fluid generated by a hydraulic pump is provided to the travel motor and wherein a control valve is provided for controlling the flow of hydraulic fluid from the hydraulic pump to the travel motor. The hydraulic pump is provided with a hydraulic control depending on a load signal generated by the travel control valve and the travel motor is provided with an electric control according to a desired driving behavior.

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