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:
Aug. 10, 2021
Filed:
Dec. 12, 2019
Grundfos Holding A/s, Bjerringbro, DK;
Erik Bundesen Svarre, Bjerringbro, DK;
Jan Plougmann, Risskov, DK;
Therkel Damm, Silkeborg, DK;
Jan Carøe Aarestrup, Bjerringbro, DK;
Klaus Vestergaard Kragelund, Risskov, DK;
Morten Liengaard Svarre, Bjerringbro, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
A pump assembly () includes a rotor axle () extending along a rotor axis (R), an impeller () fixed to the rotor axle (), a pump housing () accommodating the impeller (), and a drive motor including a stator () and a rotor (). The rotor () is fixed to the rotor axle () for driving the impeller (). A rotor can () accommodates the rotor (). The rotor can () include a rotor can flange (). A stator housing () accommodates the stator (). The stator housing () is secured to the pump housing () by a bayonet ring (). The bayonet ring () is resiliently spring-loaded for axially biasing the stator housing () towards the impeller () against the pump housing ().