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:
Jan. 26, 2021
Filed:
Mar. 29, 2018
Grundfos Holding A/s, Bjerringbro, DK;
Klaus Vestergaard Kragelund, Risskov, DK;
Jan Plougmann, Bjerringbro, DK;
Jan Carøe Aarestrup, Bjerringbro, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
A pump assembly () includes an impeller () with a rotor axis (R), a pump housing () accommodating the impeller (), a drive motor with a stator () and a rotor () for driving the impeller (). A rotor can () accommodates the rotor (), and a stator housing () accommodates the stator (). The rotor can () includes a rotor can flange () having a lateral rotor can flange face () fitting within a peripheral wall () of the pump housing (). The lateral rotor can flange face () has at least three radial projections () abutting against the peripheral wall () of the pump housing () and centering the rotor can () with respect to the peripheral wall () of the pump housing ().