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. 15, 2026
Filed:
Feb. 03, 2023
Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;
Shinji Nishida, Kobe, JP;
Isamu Yoshimura, Kobe, JP;
Hideki Tamashima, Kobe, JP;
Satoru Takao, Kobe, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
Abstract
This rotary swash plate hydraulic pump includes: a casing; a cylinder block disposed in the casing so as to prevent relative rotation of the cylinder block and including a plurality of cylinder bores that are open on one end surface of the cylinder block; a rotary swash plate rotatably housed in the casing so as to face the one end surface of the cylinder block; a plurality of pistons each of which is inserted into a corresponding one of the plurality of cylinder bores and reciprocates within the corresponding one of the plurality of cylinder bores by rotation of the rotary swash plate; and a variable capacity mechanism that changes an effective stroke length of at least one piston included in the plurality of pistons.