Patent · US Active

Hydraulic circuit for operating a tool

US8656711B2 · kind B2 · utility

1Cited by

4References

17Claims

0Family size

Assignee

Volvo Construction Equipment AB · SE

Inventors

Alfred Richter · Eisenach, DE
Frederic Lastre · Thionville, FR

Key dates

Filing date	Feb 6, 2007
Grant date	Feb 25, 2014
Priority date	—
Expiry date	Nov 18, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B2211/7058
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A hydraulic circuit for operating a tool is provided that is particularly useful in construction equipment such as an excavator, crane, wheel loader, drilling machine, or others. Furthermore, a control unit and a method for controlling the hydraulic circuit and construction equipment including such a hydraulic circuit is disclosed.

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