公开(公告)号：WO2019234771A1

公开(公告)日：2019-12-12

申请号：PCT/IT2018/000083

申请日：2018-06-07

Applicant: MAVEL S.R.L.

Inventor： CHIONO, Denny ,  BETTONI, Davide ,  BORELLO, Fabio

IPC: H02K1/32 ,  H02K9/08

Abstract: A rotor (10) for electrical machine is described, comprising at least two lamellar packs (3) fastened to a rotation shaft (1) configured to be assembled inside a stator of the electrical machine, the two lamellar packs (3) being separated by a separating zone (14), each lamellar pack (3) comprising at least one opening (12) configured to allow the passage of an air flow, coming from outside the rotor (10), towards inside the rotor (10) and towards the separating zone (14) between the two lamellar packs (3); an electrical machine comprising such rotor is further described.

公开(公告)号：WO2020012511A1

公开(公告)日：2020-01-16

申请号：PCT/IT2018/000096

申请日：2018-07-09

Applicant: MAVEL S.R.L.

Inventor： FRANCESETTI, Marco ,  BETTONI, Davide ,  BORELLO, Fabio

IPC: H02M1/34 ,  H02M7/00 ,  H01C7/22

Abstract: A system is described for converting direct current electric energy into alternate current electric energy comprising three switching branches and a modulating circuit (11) of voltage and current intensity comprising a capacitor (Cs) for an alternate current output phase of the system, and a coil (Ls), and further comprises an element (10) for recovering electric energy connected to the switching branches and to said modulating circuit (11), said element (10) for recovering electric energy being made with a conducting bar made of electrically conducting material, comprising at least one through-notch (15, 16); an element (10) for recovering electric energy and a motor system comprising the system for converting electric energy are further described.