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. 13, 2021
Filed:
Oct. 02, 2018
Applicant:
Kubota Corporation, Osaka, JP;
Inventors:
Yuji Fukuda, Osaka, JP;
Toshihiko Takemura, Osaka, JP;
Assignee:
KUBOTA CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 11/16 (2006.01); F15B 13/02 (2006.01); F15B 13/06 (2006.01); E02F 9/22 (2006.01); E02F 9/16 (2006.01); E02F 3/34 (2006.01);
U.S. Cl.
CPC ...
F15B 11/16 (2013.01); F15B 13/027 (2013.01); F15B 13/028 (2013.01); F15B 13/029 (2013.01); F15B 13/06 (2013.01); E02F 3/3414 (2013.01); E02F 9/166 (2013.01); E02F 9/2225 (2013.01); E02F 9/2267 (2013.01); E02F 9/2292 (2013.01); F15B 2211/3052 (2013.01); F15B 2211/30505 (2013.01); F15B 2211/50581 (2013.01); F15B 2211/526 (2013.01); F15B 2211/6336 (2013.01); F15B 2211/6346 (2013.01); F15B 2211/7053 (2013.01); F15B 2211/71 (2013.01);
Abstract
A hydraulic system for a working machine includes a hydraulic pump to output an operation fluid, a hydraulic device to be operated by the operation fluid, an operation member to be operated, a first operation valve to regulate a pressure of the operation fluid in accordance with operation of the operation member, and a pressure supplying portion to supply a first counteracting pressure of the operation fluid against a first operation pressure, the first operation pressure being a pressure of the operation fluid regulated by the first operation valve.