The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 2013
Filed:
May. 17, 2007
Hans Knapp, Bischofshofen, AT;
Hans Knapp, Bischofshofen, AT;
Liebherr-Werk Bischofshofen Ges. m.b.H., Bischofshofen, AT;
Abstract
This invention relates to a machine, in particular a construction machine and preferably a wheel loader or dumper, comprising a pump, an energy accumulator connected with the pump, which includes a first space which is gas-filled and which includes a second space which is designed such that in operation of the pump it is filled by a fluid delivered by means of the pump, wherein the gas contained in the first space is compressed, and comprising a hydraulic motor to be driven by means of the energy accumulator, wherein the energy accumulator is designed such that the ratio of the volume of the first space with fully loaded second space to the volume of the first space with non-loaded second space is >0.5.