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1. (WO2018100488) CUTTER PUMP WITH QUICK-ASSEMBLY CUTTING UNIT AND IMPELLER

Pub. No.:    WO/2018/100488    International Application No.:    PCT/IB2017/057445
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Wed Nov 29 00:59:59 CET 2017
IPC: F04D 7/04
B02C 18/00
F04D 29/22
F04D 29/62
Applicants: DRENO POMPE SRL
Inventors: CONFORTO, Emiliano
Title: CUTTER PUMP WITH QUICK-ASSEMBLY CUTTING UNIT AND IMPELLER
Abstract:
The invention is a cutter pump comprising an impeller (20) mounted on a driving shaft (30), a rotary cutting blade (50) mounted so that it is coaxial with said impeller (20) and rotates together with it, and a cutting plate (60) constrained to the pump body (14) and defining the cutting interface (T) together with said cutting blade (50). Said cutting blade (50) comprises a through axial opening (51) which is not threaded and is suitable for the insertion of said shaft (30), and wherein said cutting blade (50) and said impeller (20) are mechanically connected to said shaft (30) by means of at least one tab (32), so that they rotate integrally with each other and with said shaft (30) itself.