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. 21, 2020
Filed:
Dec. 14, 2016
Applicant:
Kubota Corporation, Osaka-shi, JP;
Inventors:
Seimei Nishikawa, Sakai, JP;
Juzo Okamoto, Sakai, JP;
Yoshiro Takao, Sakai, JP;
Sosuke Miyauchi, Sakai, JP;
Eiji Miyazaki, Sakai, JP;
Assignee:
Kubota Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 13/08 (2006.01); F15B 13/02 (2006.01); F15B 13/04 (2006.01);
U.S. Cl.
CPC ...
F15B 13/022 (2013.01); F15B 13/0817 (2013.01); F15B 13/0402 (2013.01); F15B 13/0814 (2013.01); F15B 2211/30525 (2013.01); F15B 2211/3116 (2013.01);
Abstract
A hydraulic block includes multiple pairs of actuator ports connectable to a hydraulic actuator and a discharge oil passage for discharging work oil returned from the hydraulic actuator to the outside. The charge oil passage includes a first oil passage corresponding to a predetermined actuator port of all the actuator ports and a second oil passage corresponding to non-predetermined actuator ports other than the predetermined actuator ports. The first oil passage is disposed in parallel with the second oil passage.