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1. WO2020002568 - MAGNETIC RACK-AND-PINION COUPLING SYSTEM AND SEA WAVE ENERGY CONVERSION SYSTEM

Publication Number WO/2020/002568
Publication Date 02.01.2020
International Application No. PCT/EP2019/067280
International Filing Date 28.06.2019
IPC
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
B
MACHINES OR ENGINES FOR LIQUIDS
13
Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
12
characterised by using wave or tide energy
14
using wave energy
16
using the relative movement between a wave-operated member and another member
18
wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
49
Dynamo-electric clutches; Dynamo-electric brakes
10
of the permanent-magnet type
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
7
Arrangements for handling mechanical energy structurally associated with the machine, e.g. structural association with mechanical driving motor or auxiliary dynamo-electric machine
06
Means for converting reciprocating into rotary motion or vice versa
F03B 13/18 (2006.01)
H02K 49/10 (2006.01)
H02K 7/06 (2006.01)
CPC
F03B 13/186
H02K 49/102
H02K 7/06
Applicants
  • GRUNDFOS HOLDING A/S [DK/DK]; Poul Due Jensens Vej 7-11 8850 Bjerringbro, DK
Inventors
  • BENDIXEN, Flemming Buus; DK
  • SOREA, Alexandru; DK
  • JOHNSEN, Tanja; DK
Agents
  • VOLLMANN HEMMER LINDFELD; Wallstraße 33a 23560 Lübeck, DE
Priority Data
18180948.429.06.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MAGNETIC RACK-AND-PINION COUPLING SYSTEM AND SEA WAVE ENERGY CONVERSION SYSTEM
(FR) SYSTÈME DE COUPLAGE À PIGNON ET CRÉMAILLÈRE MAGNÉTIQUE ET SYSTÈME DE CONVERSION D'ÉNERGIE DES VAGUES DE MER
Abstract
(EN)
The present disclosure refers to a magnetic rack-and-pinion coupling system (1) for contactless transfer of kinetic energy comprising: - a rack component (3) comprising a first pattern of ferromagnetic structure being repetitive along a rack length axis (L), and - a pinion stack component (5) being rotatable about a rotor axis (R), wherein the rack component (3) and/or the pinion stack component (5) are movable relative to each other along the rack length axis (L), and wherein the pinion stack component (5) comprises a stack of pinion discs (9a, b,c,d) each comprising a second pattern of ferromagnetic structure being repetitive along a circumference of the respective pinion disc (9a, b,c,d), wherein at least one magnetic field producing element (13a, b,c) is sandwiched between neighbouring pinion discs (9a, b, c, d), wherein each magnetic field producing element (13a, b, c) has one magnetic pole (N, S) at an axial front side (14) of the magnetic field producing element (13a, b, c) and the other magnetic pole (S, N) at an axial end side (16) of the magnetic field producing element (13a, b, c).
(FR)
La présente invention concerne un système de couplage à pignon et crémaillère magnétique (1) pour le transfert sans contact d'énergie cinétique. Ledit système comprend : un composant de crémaillère (3) comprenant un premier motif de structure ferromagnétique qui est répétitif le long d'un axe de longueur de crémaillère (L), et un composant d'empilement de pignon (5) pouvant tourner autour d'un axe de rotor (R). Le composant de crémaillère (3) et/ou le composant d'empilement de pignon (5) sont mobiles l'un par rapport à l'autre le long de l'axe de longueur de crémaillère (L), et le composant d'empilement de pignon (5) comprend un empilement de disques de pignon (9a, b,c,d) comprenant chacun un second motif de structure ferromagnétique qui est répétitif le long d'une circonférence du disque de pignon respectif (9a, b,c,d), au moins un élément de production de champ magnétique (13a, b,c) étant pris en sandwich entre des disques de pignon voisins (9a, b, c, d). Chaque élément de production de champ magnétique (13a, b, c) comporte un pôle magnétique (N, S) au niveau d'un côté avant axial (14) de l'élément de production de champ magnétique (13a, b, c) et l'autre pôle magnétique (S, N) au niveau d'un côté d'extrémité axiale (16) de l'élément de production de champ magnétique (13a, b, c).
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