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:
Oct. 28, 2025
Filed:
Apr. 28, 2024
Applicant:
J. C. Bamford Excavators Limited, Uttoxeter, GB;
Inventor:
James Hewitt, Uttoxeter, GB;
Assignee:
J. C. Bamford Excavators Limited, Uttoxeter, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/18 (2006.01); F04B 9/02 (2006.01); F04B 17/03 (2006.01);
U.S. Cl.
CPC ...
F04B 53/18 (2013.01); F04B 9/02 (2013.01); F04B 17/03 (2013.01);
Abstract
A hydraulic pump assembly includes an electric motor; a hydraulic pump driveably connected to the electric motor via a rotatable coupling; wherein the rotatable coupling includes a splined connection housed within a chamber comprising a chamber wall, wherein the chamber defines a flow passage for hydraulic oil for lubricating the rotatable coupling, the chamber includes an inlet for receiving a flow of hydraulic oil from the pump and an outlet for exiting the flow of hydraulic oil to the exterior of the chamber.