Patent · US Active

Temperature control of energy recovery cylinder

US9644344B2 · kind B2 · utility

0Cited by

21References

23Claims

0Family size

Assignee

LIEBHERR-HYDRAULIKBAGGER GMBH · DE

Inventors

Hans-Peter Lavergne · Memmingen, DE
Philipp Egenrieder · Ulm, DE
Dirk Asam · Ulm, DE
Jochen Fehse · Lindow (Mark), DE

Key dates

Filing date	Nov 17, 2011
Grant date	May 9, 2017
Priority date	—
Expiry date	Sep 7, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16F9/52
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The present invention discloses an implement, in particular an excavator or a machine for material handling, with an element movable via at least one working drive, wherein at least one energy recovery cylinder is provided for energy recovery from the movement of the movable element, which includes a chamber filled with gas. In accordance with the invention, a device for adjusting the temperature of the energy recovery cylinder is provided.

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