Invention Grant
- Patent Title: Piece of working equipment
- Patent Title (中): 一件工作设备
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Application No.: US12508884Application Date: 2009-07-24
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Publication No.: US08418451B2Publication Date: 2013-04-16
- Inventor: Sebastian Stanger , Bernd Wager , Dirk Asam , Hans-Peter Lavergne
- Applicant: Sebastian Stanger , Bernd Wager , Dirk Asam , Hans-Peter Lavergne
- Applicant Address: DE Kirchdorf
- Assignee: Liebherr-Hydraulikbagger GmbH
- Current Assignee: Liebherr-Hydraulikbagger GmbH
- Current Assignee Address: DE Kirchdorf
- Agency: Dilworth & Barrese, LLP
- Priority: DE102008034582 20080724
- Main IPC: F16D31/02
- IPC: F16D31/02
Abstract:
The present invention relates to a piece of working equipment, in particular to an excavator or to a machine for the transfer of material, having an element movable via at least one working hydraulic cylinder, wherein at least one energy recovery hydraulic cylinder is provided for the recovery of energy from the movement of the movable element. In accordance with the invention, the energy recovery hydraulic cylinder is filled with gas at the bottom side and has a hollow piston rod.
Public/Granted literature
- US20100018195A1 Piece of Working Equipment Public/Granted day:2010-01-28
Information query
