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:
May. 22, 2018
Filed:
May. 03, 2011
Georg Bernreuther, Nürnberg, DE;
Thomas Peterreins, Nürnberg, DE;
Georg Bernreuther, Nürnberg, DE;
Thomas Peterreins, Nürnberg, DE;
BÜHLER MOTOR GMBH, Nürnberg, DE;
Abstract
A pump with an integral, electronically commutated, direct-current motor () with permanent magnetic inner rotor disposed in a wet chamber, which forms with a turbine pump wheel () a compact, structural pump-rotor unit (), a claw-pole stator () positioned in a dry chamber (), the claw-pole stator () having four claw-pole plates (') made of a soft magnetic material, a ring-shaped winding () and a claw-pole stator () including a soft magnetic back-iron ring () mounted on the claw-pole plates (′) and disposed around the winding () and a separating can (), which separates the dry chamber from the wet chamber (), characterized in that the claw-pole plates (′) and additional claw-pole plates (′) are stamped and bent together, in which a plate strip for the additional claw-pole plates (′) contains a central borehole from a previous work step.