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. 10, 2018
Filed:
Apr. 08, 2011
Applicants:
BO Vigholm, Stora Sundby, SE;
Andreas Ekvall, Hallstahammar, SE;
Kim Heybroek, Kvicksund, SE;
Inventors:
Assignee:
Volvo Construction Equipment AB, Eskilstuna, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/22 (2006.01); F15B 1/04 (2006.01); F15B 1/02 (2006.01);
U.S. Cl.
CPC ...
F15B 1/04 (2013.01); E02F 9/226 (2013.01); E02F 9/2207 (2013.01); E02F 9/2217 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01); F15B 1/021 (2013.01); F15B 2211/20546 (2013.01); F15B 2211/20576 (2013.01); F15B 2211/625 (2013.01); F15B 2211/8613 (2013.01);
Abstract
An arrangement for charging an accumulator with hydraulic fluid is provided. The accumulator is used in a hydraulic boom suspension system for a lift arm of a vehicle and the arrangement includes a first hydraulic pump arranged to supply hydraulic fluid to a hydraulic cylinder system of the lift arm, and a second hydraulic pump arranged to supply hydraulic fluid to a second hydraulic system. The second hydraulic pump is further arranged to supply hydraulic fluid for charging the accumulator.