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1. WO2020192824 - SLOT WEDGE AND METHOD THAT USES THE SAME

Publication Number WO/2020/192824
Publication Date 01.10.2020
International Application No. PCT/DE2020/100155
International Filing Date 06.03.2020
IPC
H02K 3/487 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
3Details of windings
46Fastening of windings on the stator or rotor structure
48in slots
487Slot-closing devices
H02K 15/00 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/10 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
10Applying solid insulation to windings, stators or rotors
H02K 3/34 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
3Details of windings
32Windings characterised by the shape, form or construction of the insulation
34between conductors or between conductor and core, e.g. slot insulation
CPC
H02K 15/0018
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
0018Applying slot closure means in the core; Manufacture of slot closure means
H02K 15/10
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
10Applying solid insulation to windings, stators or rotors
H02K 3/345
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
3Details of windings
32Windings characterised by the shape, form or construction of the insulation
34between conductors or between conductor and core, e.g. slot insulation
345between conductor and core, e.g. slot insulation
H02K 3/487
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
3Details of windings
46Fastening of windings on the stator or rotor structure
48in slots
487Slot-closing devices
Applicants
  • SCHAEFFLER TECHNOLOGIES AG & CO. KG [DE]/[DE]
Inventors
  • OEHLER, Fabian
Priority Data
10 2019 107 537.825.03.2019DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) NUTVERSCHLUSSKEIL UND DIESEN VERWENDENDES VERFAHREN
(EN) SLOT WEDGE AND METHOD THAT USES THE SAME
(FR) CALE D’ENCOCHE ET PROCÉDÉ D’UTILISATION CORRESPONDANT
Abstract
(DE)
Ein Nutverschlusskeil (1) mit einem Stammbereich (2) und einem dazu senkrechten Eingriffsbereich (3) verschließt eine Nut (10) in einer elektrischen Maschine radial. Dabei ist der Eingriffsbereich (3) in Eingriff mit verformten Bereichen (12) eines Nutisolationsmaterials (11). Eine Verschlusskappe (4) kann den Nutverschlusskeil (1) in der Nut (10) fixieren. An dem Stammbereich (2) oder einer etwaigen Verschlusskappe (4) können Vorsprünge (5, 6) vorgesehen sein, welche eine Kriechstrecke (21) begrenzen.
(EN)
The invention relates to a slot wedge (1), comprising a stem region (2) and an engagement region (3) that is perpendicular to the stem region, which slot wedge radially closes a slot (10) in an electrical machine. The engagement region (3) engages with deformed regions (12) of a slot insulation material (11). A closure cap (4) can fasten the slot wedge (1) in the groove (10). Protrusions (5, 6) limiting a creepage distance (21) can be provided on the stem region (2) or a possible closure cap (4).
(FR)
L’invention concerne une cale d’encoche (1) comprenant une zone d’origine (2) et une zone de contact (3) perpendiculaire à celle-ci, qui obture radialement une rainure (10) dans une machine électrique. La zone de contact (3) est en contact avec des zones façonnées (12) d’une matière d’isolation de rainure (11). Un capuchon obturant (4) peut fixer la cale d’encoche (1) dans la rainure (10). Des structures saillantes (5, 6) peuvent être prévues sur la zone d’origine (2) ou un éventuel capuchon obturant (4), ces structures saillantes délimitant une ligne de fuite (21).
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