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1. WO2021144084 - ROTOR OF AN ELECTRIC MOTOR

Publication Number WO/2021/144084
Publication Date 22.07.2021
International Application No. PCT/EP2020/085577
International Filing Date 10.12.2020
IPC
H02K 7/04 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
7Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
04Balancing means
H02K 7/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
7Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/08 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
7Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
08Structural association with bearings
F16C 3/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
3Shafts; Axles; Cranks; Eccentrics
02Shafts; Axles
Applicants
  • MAHLE INTERNATIONAL GMBH [DE]/[DE]
Inventors
  • ALTHERR, Patrick
  • MENONNA, Antonio
Agents
  • BRP RENAUD UND PARTNER MBB
Priority Data
10 2020 200 551.617.01.2020DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ROTOR EINES ELEKTROMOTORS
(EN) ROTOR OF AN ELECTRIC MOTOR
(FR) ROTOR D’UN MOTEUR ÉLECTRIQUE
Abstract
(DE)
Die Erfindung betrifft ein Rotor (1) eines Elektromotors (2). Erfindungswesentlich ist dabei, - dass der Rotor (1) eine Grundwelle (3) aufweist, - dass an einer Außenmantelfläche (4) der Grundwelle (3) zumindest ein Blechpaket (5) angeordnet ist, - dass in dem zumindest einen Blechpaket (5) eine Ausnehmung (6) vorgesehen ist, in welcher ein Gewichtselement (7) zum Ausgleich einer Unwucht angeordnet ist. Hierdurch kann ein Rotor (1) geschaffen werden, der kostengünstig und einfach ausgewuchtet ist.
(EN)
The invention relates to a rotor (1) of an electric motor (2). According to the invention: the rotor (1) has a main shaft (3); at least one laminated core (5) is located on an outer peripheral surface (4) of the main shaft (3); and a recess (6), in which a weight element (7) is located in order to compensate for an imbalance, is provided in the at least one laminated core (5). This makes it possible to create a rotor (1) that is balanced inexpensively and simply.
(FR)
L'invention concerne un rotor (1) d’un moteur électrique (2). L’invention est caractérisée en ce que : le rotor (1) présente un arbre de base (3) ; une surface d'enveloppe extérieure (4) de l'arbre de base (3) comporte au moins un paquet de tôles (5) ; et le ou les paquets de tôles (5) présentent un évidement (6) dans lequel est disposé un élément de poids (7) servant à compenser un balourd. Il est ainsi possible de créer un rotor (1) économique et simple à équilibrer.
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