Patent · US Active

Pump with cutting wheel and pre-cutter

US10280933B2 · kind B2 · utility

4Cited by

4References

3Claims

0Family size

Assignee

Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG · DE

Inventors

Guido Sowa · Iserlohn, DE
Dirk Wenderott · Castrop-Rauxel, DE

Key dates

Filing date	Aug 18, 2014
Grant date	May 7, 2019
Priority date	—
Expiry date	May 2, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23Q11/0057
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A pump having a cutting wheel (20) and a pre-cutter (26) driven by a shaft portion (24) that projects axially from the cutting wheel (20) and has a plurality of wings (28) that extend radially from the shaft portion (24), wherein the wings (28) differ in their axial arrangement on the shaft portion (24).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.