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:
Sep. 14, 2021
Filed:
Feb. 27, 2019
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Yusuke Saigo, Tokyo, JP;
Kazuhiro Hatake, Tokyo, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/12 (2006.01); E02F 9/22 (2006.01); F15B 11/10 (2006.01); F15B 13/02 (2006.01); F15B 21/08 (2006.01); E02F 3/30 (2006.01);
U.S. Cl.
CPC ...
E02F 9/123 (2013.01); E02F 9/2228 (2013.01); F15B 11/10 (2013.01); F15B 13/024 (2013.01); F15B 21/08 (2013.01); E02F 3/308 (2013.01); F15B 2211/50 (2013.01);
Abstract
A control device generates an operation signal for controlling a pressure of hydraulic oil on a downstream side of the swing motor in a hydraulic device based on an azimuth direction, a swing speed, and a target stopping azimuth direction of a swing body during braking of a swing motor.