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1. (WO2018197989) PUMP GROUP WITH FIXING ELEMENT

Pub. No.:    WO/2018/197989    International Application No.:    PCT/IB2018/052624
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Tue Apr 17 01:59:59 CEST 2018
IPC: F04D 13/06
F04D 29/42
F04D 29/62
Applicants: INDUSTRIE SALERI ITALO S.P.A.
Inventors: BELCUORE, Daniele
Title: PUMP GROUP WITH FIXING ELEMENT
Abstract:
A pump group (1) for a cooling system of a vehicle, comprising an impeller (2) rotating about an axis (X-X) and an electric motor (5), having a stator (51) and a rotor (52). The pump group (1) comprises a pump structure (10) which comprises a main body (100) having a motor chamber (150) suitable to house the electric motor (5) and an impeller body (200) suitable to house the impeller (2), attached to the main body (100). The impeller body (200) comprises a first half-shell (210) and a second half-shell (220) defining an impeller chamber (250) in which is housed the impeller (2) wherein the second half-shell (220) comprises a tubular element (225) extending inside the motor chamber (150), dividing it into a stator chamber (151) and a rotor chamber (152). The pump structure (10) also comprises a fixing element (300) which may be snap-locked axially onto the main body (100), fixing the impeller body (200) axially thereto.