Patent · US Expired

Hydraulic circuit

US6499296B1 · kind B1 · utility

5Cited by

4References

11Claims

0Family size

Assignee

Mannesmann Rexroth AG · DE

Inventors

Thomas Weickert · Karsbach, DE
Erich Adlon · Wiesthal, DE

Key dates

Filing date	Feb 15, 2001
Grant date	Dec 31, 2002
Priority date	—
Expiry date	Feb 15, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B2211/76
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A hydraulic circuit for controlling a consumer of a mobile work tool, wherein the pressure in supply and outlet lines towards the consumer is limited by means of pilot-controlled pressure control valves. The pilot control stage of these pressure control valves may be adjusted in accordance with a pilot control pressure corresponding to the load of the work tool.

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