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. 09, 2025
Filed:
Aug. 23, 2023
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Ron L. Sale, Mapleton, IL (US);
Curtis J. Graham, Peoria, IL (US);
Luis A. Vazquez, Edwards, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/2035 (2020.01); B23P 6/02 (2006.01); F01B 3/00 (2006.01); F03C 1/06 (2006.01);
U.S. Cl.
CPC ...
F04B 1/2035 (2013.01); B23P 6/02 (2013.01); F01B 3/0052 (2013.01); F03C 1/0636 (2013.01);
Abstract
A cylinder block for a fluid pump includes a cylindrical body having a hub bore and a plurality of cylinder bores arranged about the hub bore, a hub insert disposed in the hub bore, and an anti-rotation body configured to prevent rotation of the hub insert relative to the cylindrical body. The cylindrical body and the hub insert together define a channel in which the anti-rotation body is inserted.