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:
Nov. 03, 2020
Filed:
Jul. 05, 2018
Grundfos Holding A/s, Bjerringbro, DK;
Brian Lundsted Poulsen, Langå, DK;
Anders Bøge Jensen, Aarhus, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
A pump bearing retainer (), for a wet-running pump, includes a radially inner section () including an inner section surface () for a press-fit contact with an essentially cylinder-shaped radial outer surface () of a pump bearing (). A radially outer section () includes an annular or essentially conical-shaped outer section surface () with a cone angle (θ) equal to or larger than 45°. An intermediate section () extends from the inner section () to the outer section (). The intermediate section () includes an essentially conical-shaped intermediate section surface () with a cone angle (θ) smaller than 45°. A longitudinal cross-section area (A) of the inner section () is smaller than a longitudinal cross-section area (B) of the intermediate section ().