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:
Apr. 01, 2014
Filed:
Mar. 25, 2008
Applicants:
Magnus Bergström, Eskilstuna, SE;
Johan Lillemets, Eskilstuna, SE;
Kim Heybroek, Linköping, SE;
Jan-ove Palmberg, Linköping, SE;
Inventors:
Magnus Bergström, Eskilstuna, SE;
Johan Lillemets, Eskilstuna, SE;
Kim Heybroek, Linköping, SE;
Jan-Ove Palmberg, Linköping, SE;
Assignee:
Volvo Construction Equipment AB, Eskilstuna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 11/024 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided for recuperating potential energy during a lowering operation of a load, wherein a hydraulic system is adapted to lift and lower the load. In the method, at least two energy recuperation modes are provided, one of the modes is selected in response to a current operating state, and the hydraulic system is controlled according to the selected mode.