Invention Grant
- Patent Title: Pump with cutting impeller and pre-cutter
- Patent Title (中): 泵与切割叶轮和预切割器
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Application No.: US12496134Application Date: 2009-07-01
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Publication No.: US08267643B2Publication Date: 2012-09-18
- Inventor: Peter Wagner , Dirk Wenderott
- Applicant: Peter Wagner , Dirk Wenderott
- Applicant Address: DE Werdohl
- Assignee: Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG
- Current Assignee: Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG
- Current Assignee Address: DE Werdohl
- Agent Richard M. Goldberg
- Priority: DE102008031842 20080705
- Main IPC: F04D29/18
- IPC: F04D29/18

Abstract:
A pump includes a cutting impeller (38) and a pre-chopper (50) driven by a shaft portion (46) that projects axially from the cutting impeller (38), with the pre-chopper (50) being surrounded by an intake port (22) of the pump, the intake port having, at least on a part of its length, in the vicinity of the pre-chopper, a non-circular internal cross-section.
Public/Granted literature
- US20100003124A1 Pump with Cutting Impeller and Pre-Cutter Public/Granted day:2010-01-07
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