Patent · US Active

Pump with cutting impeller and pre-chopper

US7811051B2 · kind B2 · utility

11Cited by

5References

6Claims

0Family size

Assignee

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

Inventor

Peter Wagner · Starnberg, DE

Key dates

Filing date	Feb 16, 2006
Grant date	Oct 12, 2010
Priority date	—
Expiry date	Dec 29, 2027

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/2288
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Pump having a cutting impeller (38), counter knives (40) associated therewith, and a pre-chopper (48) which is driven by a shaft portion (46) that projects axially from the cutting impeller (38), characterised in that the counter knives (40) carry a cutting edge (52) that extends in longitudinal direction of the shaft portion (46).

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