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. 19, 2022
Filed:
Jun. 07, 2017
Applicant:
Volvo Construction Equipment Ab, Eskilstuna, SE;
Inventor:
Roland Wiktor, Hameln, DE;
Assignee:
Volvo Construction Equipment AB, Eskilstuna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C 19/28 (2006.01); E01C 21/00 (2006.01); F15B 1/02 (2006.01); F15B 11/16 (2006.01); F15B 11/20 (2006.01); F15B 18/00 (2006.01); F16H 61/425 (2010.01); F16H 61/435 (2010.01);
U.S. Cl.
CPC ...
E01C 19/286 (2013.01); E01C 21/00 (2013.01); F15B 1/02 (2013.01); F15B 11/161 (2013.01); F15B 11/20 (2013.01); F15B 18/00 (2013.01); F16H 61/425 (2013.01); F16H 61/435 (2013.01); F15B 2201/00 (2013.01);
Abstract
A hydraulic system for a working machine includes a feeding pump; and a plurality of variable displacement hydraulic machines being connected in parallel to the feeding pump; At least one of the variable displacement hydraulic machines is adapted to drive a ground engagement element of the working machine, and at least one of the variable displacement hydraulic machines is adapted to drive a vibrator for vibrating a ground engagement element of the working machine.