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. 05, 2022
Filed:
Jun. 04, 2018
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Mutsumi Ono, Tokyo, JP;
Mitsuru Ohshiro, Tokyo, JP;
Naoya Sodeyama, Tokyo, JP;
Jun Nabata, Tokyo, JP;
Shuuji Hori, Tokyo, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/324 (2020.01); F04B 1/2078 (2020.01);
U.S. Cl.
CPC ...
F04B 1/324 (2013.01); F04B 1/2078 (2013.01); F04B 2201/1205 (2013.01); F15B 2211/6333 (2013.01);
Abstract
A variable displacement hydraulic pump or motor includes: a swash plate; a lever supported by a housing and configured to rotate in conjunction of tilting of the swash plate; and a sensor configured to detect a displacement amount of the lever.