WO2007080337A1 - Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte - Google Patents
Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte Download PDFInfo
- Publication number
- WO2007080337A1 WO2007080337A1 PCT/FR2007/050607 FR2007050607W WO2007080337A1 WO 2007080337 A1 WO2007080337 A1 WO 2007080337A1 FR 2007050607 W FR2007050607 W FR 2007050607W WO 2007080337 A1 WO2007080337 A1 WO 2007080337A1
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- WIPO (PCT)
- Prior art keywords
- winding
- ecy
- ecx
- ecz
- type
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Definitions
- the present invention relates to a rotary electric machine stator.
- the present invention relates to a rotating electric machine stator.
- the invention more particularly relates to a rotating electric machine stator comprising:
- annular cylindrical sheet bundle defined axially in an upper end by an upper face and in a lower end by a lower face and delimited radially by an inner annular face and an outer annular face;
- a series of axial notches made in the inner annular face and which open into the upper and lower faces of the bundle of sheets and which define housings for a winding
- the winding comprises several windings each of which consists of several loops of a conductor and which are arranged in notches associated with the winding
- each loop of the same winding passes through all the notches associated with the winding by traversing a circumferential circumference of the sheet bundle and each loop is formed of an alternation of axial branches arranged in the notches and transverse branches upper or lower transverse branches evenly distributed
- the upper end of each axial branch is connected to an upper transverse branch and the lower end of each axial branch is connected to a lower transverse branch.
- the rotating electrical machine can be an alternator which makes it possible to transform a rotational movement of the rotor into an electric current, a motor which makes it possible to transform an electric current which passes through the stator winding in a movement of rotation of the rotor or the machine can be reversible and thus transform the mechanical energy into electrical energy and vice versa.
- the winding comprises three windings of the simple corrugated type, each of which is associated with an electrical phase, that is to say between two consecutive consecutive notches, the winding comprises only branches. transverse upper or lower transverse branches connecting the axial branches arranged in the two consecutive consecutive notches.
- FIGS. 1, 2 and 3 show a winding 12 according to the state of the art, comprising three windings ECx, ECy, ECz, of the simple corrugated type which are mounted on a stator 10 having twelve notches e1 to e12.
- FIG. 1 represents a winding ECx corresponding to a first phase X, input links Ey and Ez and output connections Sy and Sz of the windings ECy and ECz which correspond to two other phases Y and Z, respectively.
- the winding ECx comprises a wire 1 1 conductor of electricity which forms three loops 1 8a, 1 8b, 1 8c arranged in the notches e1, e1 0, e7 and e4 of the stator 10.
- Each loop 1 8 is formed of a succession of axial branches 22 whose upper end 22s is connected to an upper transverse branch 24s and whose lower end 22i is connected to a lower transverse branch 24i.
- the first loop 18a and the second loop 1 8b each form a circumferential turn of the sheet package 14.
- the ends of the two loops 1 8a, 1 8b are arranged in the same notch, here the notch e1.
- the third loop 18c forms a part of a turn only, it has a first end which is arranged in the notch e1 and a second end which is arranged in the notch e4.
- the wire 1 1 forming the winding ECx is thus delimited by an axial branch 22 which has an end connected to the input link Ex of the winding ECx and which is arranged in the notch e1, and by an axial branch 22 which has an end connected to the output link Sx of the winding ECx and which is arranged in the notch e4.
- FIGS. 2 and 3 respectively represent the windings ECy and ECz corresponding to the phases Y and Z.
- the winding ECy comprises an electrically conductive wire 11 which forms three loops 18a, 18b, 18c arranged in the notches e3, e12, e9 and e6 of the laminations 14.
- the three loops 1 8a, 1 8b, 18c of the winding ECy are arranged in the notches e n similarly as for the winding ECx, but the three loops 18a, 18b, 18c are angularly offset by two notches e n relative to the winding ECx, here to the right.
- the first loop 18a and the second loop 1 8b each form a circumferential turn of the sheet package 14.
- the ends of the two loops 1 8a, 18b are arranged in the same notch, here the notch e3.
- the third loop 18c forms a part of a turn only, it has a first end which is arranged in the notch e3 and a second end which is arranged in the notch e6.
- the wire 1 1 forming the winding ECy is thus delimited by an axial branch 22 which has an end connected to the input connection Ey of the winding ECy and which is arranged in the notch e3, and by an axial branch 22 which has an end connected to the output link Sy of the winding ECy and which is arranged in the notch e6.
- the winding ECz comprises an electrically conductive wire 11 which forms three loops 18a, 18b, 18c and an additional section 18d.
- Each loop 1 8 of the winding ECz is formed of a succession of axial branches 22 whose upper end 22s is connected to an upper transverse branch 24s and whose lower end 22i is connected to a lower transverse branch 24i, of similar to the ECx and ECy windings.
- the three loops 18a, 18b and 18c each form a circumferential turn of the sheet package 14.
- the ends of the three loops 1 8a, 18b and 1c are arranged in the same notch, here the notch e5.
- the fourth loop 18d forms a part of a turn only, it has a first end which is arranged in the notch e5 and a second end which is arranged in the notch e2.
- the wire 1 1 forming the winding ECz is thus delimited by an axial branch 22 which has an end connected to the input link Ez of the winding ECz and which is arranged in the notch e5, and by an axial branch 22 which has an end connected to the output link Sz of the winding ECz and which is arranged in the notch e2.
- This arrangement is intended to facilitate the coupling of the windings ECx, ECy, ECz by means of a mounting of the triangle type, by bringing the input links Ex, Ey, Ez and the output links Sx, Sy, closer together. Sz, which must be electrically connected together to form pairs P1, P2 and P3.
- the pair P1 is formed by the input Ex and the output Sz
- the pair P2 is formed by the input Ey and the output Sx
- the pair P3 is formed by the input Ez and the output Sy.
- the filling coefficient is not optimal, that is to say that there is a loss of space in the notches e n receiving only three axial branches 22.
- EP-A-1.220.419 proposes a solution that makes it possible to overcome these disadvantages by proposing an electric machine stator comprising a winding comprising windings which are all of the distributed corrugated type.
- a winding of the distributed corrugated type is characterized in that between two consecutive notches associated with the winding, a first loop of the winding comprises a transverse branch connecting the upper ends of the axial branches of the loop, which are received in said notches consecutive pairs, and a second loop of the winding comprises a transverse branch connecting the lower ends of the axial branches of the loop, which are received in said associated consecutive notches.
- a better filling factor of the notches makes it possible to improve the electromagnetic performances of the electric machine, in particular its flow, its mass power and its efficiency.
- the manufacturing time of such a stator is longer than the manufacturing time required to produce a stator comprising a winding winding simple corrugated type.
- the invention proposes a winding as described above, characterized in that at least one winding is of the distributed corrugated type, that is to say that for two consecutive notches associated with the winding, a first loop of the winding comprises a transverse branch connecting the upper ends of the axial branches of the loop, which are received in said associated consecutive notches and a second loop of the winding comprises a transverse branch connecting the lower ends of the axial branches of the loop, which are received in said associated consecutive notches, and in that at least one winding is of the simple corrugated type, that is to say that for two consecutive notches associated with the winding, the winding comprises only upper transverse branches or that lower transverse branches connecting the axial branches arranged in the two consecutive notches.
- the winding comprises two windings of the simple corrugated type and a winding of the distributed corrugated type;
- the winding comprises two windings of the distributed corrugated type and a winding of the simple corrugated type;
- the notches comprise a radial stack of windings and said winding of the distributed corrugated type is radially internal with respect to the two windings of the simple corrugated type;
- each winding comprises an input electrical connection end and an electrical output connection end which are arranged at the same axial end of the sheet package;
- connection pairs each comprising an input link of a winding and an output link of another winding which are connected to one another and said pairs of links come from two adjacent notches.
- FIGS. 1 to 3 are diagrammatic representations in developed each showing a single corrugated type winding on a sheet metal package of a stator according to the state of the art;
- FIGS. 4 to 6 are diagrammatic representations similar to FIGS. 1 to 3 showing windings according to the invention.
- FIG. 7 is an end view of a stator made according to the teachings of the invention.
- FIGS. 4, 5 and 6 show a stator 10 comprising an annular cylindrical lamina 14 formed of an axial stack of thin sheets of soft iron.
- the bundle of plates 14 is delimited axially in an upper end by an upper face 14s, in a lower end by a lower face 14i and is delimited radially by an inner annular face 15 and an outer annular face 16.
- the inner annular face 1 5 of the plate package 14 comprises a series of notches e n , here in number twelve, numbered e1 to e12 which are parallel to the axis A of the stator 10 and which are distributed angularly around the axis A of the stator 10 equally.
- the notches e n open in the upper face 14s and in the lower face 14i of the plate package 14 and thus define housing.
- the stator 10 also comprises a winding 12 which comprises three windings ECx, ECy and ECz, each corresponding to a phase X, Y and Z respectively.
- a winding 12 which comprises three windings ECx, ECy and ECz, each corresponding to a phase X, Y and Z respectively.
- FIGS. 4 to 6 show the three windings ECx, ECy and ECz separately, in addition, the stator 10 is shown schematically in developed form.
- each winding ECx, ECy and ECz consists of an electrically conductive wire 11 forming a series of loops 18.
- Each loop 18 of a winding ECx, ECy, ECz traverses a circumferential turn of the stator 10, passing through consecutive notches e n associated with the winding ECx, ECy, ECz.
- two consecutive notches e n are associated with a winding ECx, ECy, ECz and are separated by two notches e n adjacent associated with the other windings ECx, ECy, ECz.
- Each loop 18 comprises an alternation of axial branches 22 and transverse branches 24s, 24i.
- Each axial branch 22 is arranged in a notch e n , its upper end 22s is connected to an upper transverse branch 24s and its lower end 22i is connected to a lower transverse branch 24i.
- the upper transverse branches 24s are arranged on the upper axial face 14s of the plate package 14 and they connect the upper ends 22s of the axial branches 22 which are arranged in two notches e n consecutive.
- the lower transverse branches 24i are arranged on the lower axial face 14i of the plate package 14 and they connect the lower ends 22i of the axial branches 22 which are arranged in two notches e n consecutive.
- the upper transverse branches 24s and the lower transverse branches 24i are substantially curved and form at each end of the stator 10 a bun 26.
- the winding 12 comprises two windings ECx and ECz of the simple corrugated type and an ECy winding of the distributed corrugated type.
- FIG. 4 shows a conducting wire 11 which forms the winding ECx corresponding to a first phase X of the stator 101.
- the winding ECx is of the simple corrugated type and it comprises four loops 18a, 18b, 18c and 1 8d.
- the first loop 18a has a free end which is connected to an input link Ex of the winding ECx.
- the first loop 1 8a comprises successively:
- an axial branch 22 which is arranged in the notch e2 an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e1 1, a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e8, an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e5 and a lower transverse branch 24i.
- the second loop 18b and the third loop 18c are arranged in the sheet package 14 in a manner similar to the first loop 18a.
- the fourth loop 18d is also arranged in the plate package 14 similarly to the first three loops 18a, 18b, 18c. However, this fourth loop 18d is shorter than the other loops 18a, 18b, 18c, 18d and extends from the notch e2 to the notch e5.
- the fourth loop 18d has a free end connected to the output Sx of the winding ECx.
- FIG. 5 shows a conducting wire 11 which forms the winding ECz corresponding to a second phase Z of the stator 101.
- the winding ECz is of the simple corrugated type and comprises four loops 18a, 18b, 18c and 18d. .
- the first loop 18a has a free end which is connected to an input link Ez of the winding ECz.
- the first loop 18a successively comprises an axial branch 22 which is arranged in the notch e6, an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e9, a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e12, a branch 24s upper transverse, an axial branch 22 which is arranged in the notch e3 and a lower transverse branch 24i.
- the second loop 18b and the third loop 18c are arranged in the sheet package 14 in a manner similar to the first loop 18a.
- the fourth loop 18d is also arranged in the plate package 14 similarly to the first three loops 18a, 18b, 18c. However, this fourth loop 18d is shorter than the other loops 18a, 18b, 18c, 18d and extends from the notch e6 to the notch e3.
- the fourth loop 18d has a free end connected to the output Sz of the winding ECz.
- FIG. 6 shows a conductive wire 1 1 which forms the winding ECy corresponding to a third phase Y of the stator 1 0.
- the winding ECy is of the distributed wavy type and comprises four loops 1 8a, 18b, 18c and 18d.
- the first loop 18a has a free end which is connected to an input connection Ey of the winding ECy.
- the first loop 18a successively comprises an axial branch 22 which is arranged in the notch e4, an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e1, a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e1 0, an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e7 and a lower transverse branch 24i.
- the second loop 1 8b of the winding ECy is arranged in the sheet package 14 in a manner similar to the first loop 1 8a. However, this second loop 1 8b is shorter than the first loop 18a and extends from the notch e4 to the notch e7.
- the second loop 18b of the winding ECy comprises successively an axial branch 22 which is arranged in the notch e4, an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e1, a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e1 0, an upper transverse branch 24s and an axial branch 22 which is arranged in the notch e7.
- the wire 1 1 travels the notches e n in a reverse direction for the first two loops 1 8a and 18b.
- the third loop 1 8c of the winding ECy successively comprises a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e1 0, an upper transverse branch 24s, an axial branch 22 which is arranged in the notch e1 , a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e4, an upper transverse branch 24s and an axial branch 22 which is arranged in the notch e7.
- the fourth loop 18d of the winding ECy is arranged in the sheet package 14 in a manner similar to the third loop 1 8c and successively comprises a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e1 0, a upper transverse branch 24s, an axial branch 22 which is arranged in the notch e1, a lower transverse branch 24i, an axial branch 22 which is arranged in the notch e4, an upper transverse branch 24s and an axial branch 22 which is arranged in the notch e7.
- the fourth loop 1 8d has a free end connected to the output Sy of the winding ECy.
- the input links Ex, Ey, Ez and output Sx, Sy, Sz of the windings ECx, ECy, ECz are arranged axially at the level of the same end face 14s, 14i of the sheet package 14. This end is conventionally, in an alternator for a motor vehicle, the closest to the rectifier bridge of the alternator (not shown).
- the input connections Ex, Ey, Ez and output Sx, Sy, Sz of the windings ECx, ECy, ECz, represented in FIG. 7, are arranged so as to be connected according to a mounting of the triangle type (not shown).
- the input link Ex of a first winding ECx is electrically connected to the output link Sz of a second winding ECz forming a pair P1.
- the output link Sx of the first winding ECx is electrically connected to the input link Ey of a third winding ECy forming a pair P2.
- the output link Sy of the third winding ECy is electrically connected to the input link Ez of the second winding ECz forming a pair P3.
- the input Ex, Ey, Ez and the output Sx, Sy, Sz associated with a winding ECx, ECy, ECz are derived from two notches e n consecutive.
- the winding of the distributed corrugated type here the winding ECy
- the winding ECy is arranged in a radially internal position with respect to the axis A of the stator 10 and with respect to the two other windings ECx, ECz.
- all the notches e n of the package of sheets 14 each receive four axial branches 22, which provides an optimized filling of the notches e n .
- winding 12 it is possible to reduce the cycle time of the production of such a stator 10 with respect to the production of a stator 10 comprising a winding winding ECx, ECy, ECz corrugated type distributed only.
- a winding 12 comprising ECx, ECy, ECz windings of the distributed corrugated type is generally obtained by reversing the direction of rotation of a winding head.
- the winding head is a part of high inertia and the operation of reversal of its direction of rotation requires consecutive sequences of braking, stopping, indexing, and acceleration.
- sequences represent dead times participating in the increase in the manufacturing cycle time of a winding 12 which comprises only windings ECx, ECy, ECz of the corrugated type distributed with respect to a winding 12 comprising at least one winding ECx, ECy , ECz of the simple corrugated type.
- a winding 12 of the mixed corrugated type according to the invention comprises only a winding ECx, ECy, ECz distributed corrugated type. Therefore it requires only a sequence of braking, stopping, indexing, acceleration, against three for a winding 12 of the prior art comprising only windings ECx, ECy, ECz distributed corrugated type.
- the winding 12 according to the invention makes it easy to couple the windings ECx, ECy, ECz of the three phases X, Y, Z by a triangle-type assembly, since the three pairs P1, P2, P3 of links are all adjacent.
- the winding 12 makes it possible to use a connector (not shown) that is simple and economical, in particular for connecting the windings ECx, ECy, ECz of the stator 1 0 to a rectifier bridge (not shown).
- the winding 12 makes it possible to use wires 1 1 to connect the ends of the windings ECx, ECy, ECz to the input links Ex, Ey, Ez and output Sx, Sy, Sz, which are all identical and which are shorter than those used for a winding winding of the simple corrugated type.
- the winding 12 makes it possible to improve the mechanical strength of the stator 10 because the input links Ex, Ey, Ez and output Sx, Sy, Sz are straight, as can be seen in FIG. 7, which avoids a gluing, or the use of a holding device, the input connections Ex, Ey, Ez and output Sx, Sy, Sz on the stator plate package 1 0.
- the winding 12 according to the invention makes it possible to reduce the manufacturing cycle time while preserving certain advantages of the winding of the prior art which comprises only windings of the distributed corrugated type; these advantages are on the one hand the simplification of manufacturing operations because the stripping, twisting and tinning are performed during the same stage of manufacture and on the other hand the decrease in the transfer time of the tool which performs the connections of the triangle assembly pairs P1, P2 and P3, whether by crimping, brazing, welding or other means because the pairs P1, P2, P3 are adjacent.
- the winding 12 according to the invention comprises a winding of the simple corrugated type and two windings of the distributed corrugated type.
- the invention can extend to stators 10 having more than three windings ECx, ECy, ECz.
- a stator 10 may comprise two three-phase windings 12 each having three windings or a total of six windings.
- each three-phase winding 12 advantageously comprises a winding of the distributed corrugated type and two windings of the simple corrugated type.
- each winding 12 with three windings comprises a winding of the simple corrugated type and two windings of the distributed corrugated type.
- a first distributed corrugated type winding is arranged in a radially internal position with respect to the other five windings and a second distributed corrugated winding is arranged in a radially outer position with respect to the other windings, always with the aim of reducing noise pollution.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780002456XA CN101371420B (zh) | 2006-01-16 | 2007-01-03 | 包括具有混合波形绕组的线圈的旋转电机定子 |
BRPI0706223-0A BRPI0706223A2 (pt) | 2006-01-16 | 2007-01-03 | estator de máquina elétrica giratória |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0650138A FR2896347B1 (fr) | 2006-01-16 | 2006-01-16 | Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte |
FR0650138 | 2006-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007080337A1 true WO2007080337A1 (fr) | 2007-07-19 |
Family
ID=36968745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2007/050607 WO2007080337A1 (fr) | 2006-01-16 | 2007-01-03 | Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN101371420B (fr) |
BR (1) | BRPI0706223A2 (fr) |
FR (1) | FR2896347B1 (fr) |
RU (1) | RU2008133642A (fr) |
WO (1) | WO2007080337A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008119120A1 (fr) * | 2007-04-03 | 2008-10-09 | Hybridauto Pty Ltd | Disposition des enroulements d'une machine électrique |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351102A (en) * | 1977-11-09 | 1982-09-28 | Robert Bosch Gmbh | Method for winding the stator in a three phase AC machine |
US4541575A (en) * | 1982-09-14 | 1985-09-17 | Kollmorgen Technologies Corp. | Winding technique for multiple winding brushless motors |
JP2000228852A (ja) * | 1998-12-03 | 2000-08-15 | Denso Corp | 車両用交流発電機 |
EP1220419A2 (fr) * | 2000-12-28 | 2002-07-03 | Valeo Equipements Electriques Moteur | Stator de machine électrique tournante comportant dans chaque encoche le même nombre de conducteurs |
FR2861225A1 (fr) * | 2003-09-05 | 2005-04-22 | Valeo Equip Electr Moteur | Machine electrique tournante polyphasee telle qu'un alternateur ou alterno-demarreur, notamment pour vehicule automobile |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2627716Y (zh) * | 2003-06-12 | 2004-07-21 | 周英霞 | 带有加固绝缘垫块的高压电机绕组 |
-
2006
- 2006-01-16 FR FR0650138A patent/FR2896347B1/fr active Active
-
2007
- 2007-01-03 WO PCT/FR2007/050607 patent/WO2007080337A1/fr active Application Filing
- 2007-01-03 RU RU2008133642/09A patent/RU2008133642A/ru not_active Application Discontinuation
- 2007-01-03 CN CN200780002456XA patent/CN101371420B/zh active Active
- 2007-01-03 BR BRPI0706223-0A patent/BRPI0706223A2/pt not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4351102A (en) * | 1977-11-09 | 1982-09-28 | Robert Bosch Gmbh | Method for winding the stator in a three phase AC machine |
US4541575A (en) * | 1982-09-14 | 1985-09-17 | Kollmorgen Technologies Corp. | Winding technique for multiple winding brushless motors |
JP2000228852A (ja) * | 1998-12-03 | 2000-08-15 | Denso Corp | 車両用交流発電機 |
EP1220419A2 (fr) * | 2000-12-28 | 2002-07-03 | Valeo Equipements Electriques Moteur | Stator de machine électrique tournante comportant dans chaque encoche le même nombre de conducteurs |
FR2861225A1 (fr) * | 2003-09-05 | 2005-04-22 | Valeo Equip Electr Moteur | Machine electrique tournante polyphasee telle qu'un alternateur ou alterno-demarreur, notamment pour vehicule automobile |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 11 3 January 2001 (2001-01-03) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008119120A1 (fr) * | 2007-04-03 | 2008-10-09 | Hybridauto Pty Ltd | Disposition des enroulements d'une machine électrique |
AU2008234418B2 (en) * | 2007-04-03 | 2012-02-02 | Launchpoint Electric Propulsion Solutions, Inc. | Winding arrangement for an electrical machine |
US8823238B2 (en) | 2007-04-03 | 2014-09-02 | Hybridauto Pty Ltd | Winding arrangement for an electrical machine |
Also Published As
Publication number | Publication date |
---|---|
CN101371420A (zh) | 2009-02-18 |
RU2008133642A (ru) | 2010-02-27 |
BRPI0706223A2 (pt) | 2011-03-22 |
CN101371420B (zh) | 2011-11-30 |
FR2896347B1 (fr) | 2008-02-29 |
FR2896347A1 (fr) | 2007-07-20 |
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