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. 28, 2012
Filed:
Dec. 13, 2006
Lasse Ilves, Helsinki, FI;
Heikki Yli-korpela, Vantaa, FI;
Lasse Ilves, Helsinki, FI;
Heikki Yli-Korpela, Vantaa, FI;
Grundfos Management A/S, Bjerringbro, DK;
Abstract
An impeller is provided for a pump unit, in particular for a waste water pump unit, having two cover plates (), which are spaced apart from one another in the axial direction (X) and are connected to one another by at least one connecting element (). The impeller has at least one blade () which is arranged between the two cover plates () and extends from an inner diameter of the impeller to an outer diameter of the impeller. The blade () has a continuous slot (), which extends from the edge () of the blade () which is situated at the inner diameter to the edge () of the blade () which is situated at the outer diameter. A pump unit is also provided having an impeller of this type.