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:
Dec. 25, 2018
Filed:
May. 26, 2015
Applicant:
Nabtesco Corporation, Tokyo, JP;
Inventor:
Hitoshi Iwasaki, Kobe, JP;
Assignee:
NABTESCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 11/024 (2006.01); E02F 9/22 (2006.01); F15B 11/00 (2006.01); F15B 11/17 (2006.01); E02F 3/42 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2242 (2013.01); E02F 3/425 (2013.01); E02F 9/22 (2013.01); E02F 9/2292 (2013.01); F15B 11/00 (2013.01); F15B 11/024 (2013.01); F15B 11/17 (2013.01); F15B 2211/20576 (2013.01); F15B 2211/255 (2013.01); F15B 2211/3059 (2013.01); F15B 2211/45 (2013.01); F15B 2211/6306 (2013.01); F15B 2211/6652 (2013.01); F15B 2211/6654 (2013.01);
Abstract
A recycling passageis configured to perform 'pressure oil recycling,' in which the recycling passagefeeds boom discharge oilFo (recycling discharge oil) discharged from a boom cylinderF (a recycling actuator), to the boom cylinderF (an actuator actuated with feeding of discharge oil from a second pump). A first sensing pressure rising passagefeeds a part of boom discharge oilFo to a first unload passageupstream of a first pressure sensing pointwhen the pressure oil recycling is performed.
Quick Actions:
Iwasaki, Hitoshi. (2018). Hydraulic circuit for construction machine (U.S. Patent No. 10161109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10161109
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile