WO2005096476A2 - Coupleur electromagnetique de transmission electrique de puissance et dispositif de transmission comportant un tel coupleur - Google Patents
Coupleur electromagnetique de transmission electrique de puissance et dispositif de transmission comportant un tel coupleur Download PDFInfo
- Publication number
- WO2005096476A2 WO2005096476A2 PCT/FR2005/050205 FR2005050205W WO2005096476A2 WO 2005096476 A2 WO2005096476 A2 WO 2005096476A2 FR 2005050205 W FR2005050205 W FR 2005050205W WO 2005096476 A2 WO2005096476 A2 WO 2005096476A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air gap
- claws
- windings
- armatures
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/448—Electrical distribution type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Definitions
- Electromagnetic coupler for electrical power transmission and transmission device comprising such a coupler
- the present invention relates to an electromagnetic coupler for power transmission and to a transmission device comprising such a coupler.
- the transmission of mechanical power between a source of motive movement and the element to be driven very often requires an adaptation of speed according to the operating regimes. This is particularly the case on motor vehicles where the internal combustion engine must be able to drive the wheels from a standstill to their maximum speed: the transmission then usually includes a coupling device allowing an at least temporary slip (clutch at friction, electromagnetic powder clutch, hydraulic torque converter, etc.) associated with a mechanical gear ratio with variable ratio (gearbox with discrete ratios, mechanical device with continuously variable ratio ).
- serial electric transmission has some drawbacks, particularly in that it requires an intermediate double conversion of all of the energy: this cascade is costly in electronic design and the product of the conversion yields can call into question. 'energy benefit for certain operating modes; (for example, for stabilized speeds where the power source is well exploited with gearboxes). It will be noted that these drawbacks of the electrical transmission are less in the “electrical power derivation” transmission configurations where the flexibility of adapting electrical speeds is exploited in parallel with a mechanical power transmission channel; the electromechanical double conversion of power is then limited to a fraction of the power to be transmitted. Multi-mode transmission with continuous variator described in patent application FR-2 823 281 is for example of this type.
- FIG. 1 shows a known electromagnetic coupler.
- the power source heat engine, input axis of the electrical power bypass, etc.
- This armature 1 is supplied with current through a polyphase electronics 3 and is thus magnetically coupled through the air gap E1 with a second rotor 4.
- the second rotor 4 can thus include for example magnets, an asynchronous squirrel cage, or even a reluctant toothing, the design of the rotating armature of the machine M1 being adapted accordingly.
- the second rotor 4 is linked to the output axis 5 of movement; it makes it possible to transmit the torque from the power source directly to it.
- Control of the rotating field by the electronics 3 associated with the armature 1 allows the speed differential between input and output to be adjusted as desired: depending on the sign of this shift, the armature will be generator or receiver.
- the motor source will be linked to the output as it would be by direct mechanical coupling, the armature then receiving only the electric power necessary for your magnetization; (under these conditions, the power supply is direct current if the machine M1 is of the synchronous type).
- the second rotor 4 is also coupled through a second air gap E2 with the armature 2 of an electric machine 2.
- the armature 2 is fixed. Its current supply by polyphase electronics 6 generates on the intermediate rotor 4 a complementary torque (additive or subtractive) to that which already comes from the power source.
- the coupler like an electric transmission, makes it possible to adapt the transmission in speed and torque as desired and possibly to exploit the potential of an electrical energy storage. It can be used either to transmit all of the power as in a serial electric transmission, but also in an electric bypass power transmission. In addition to its power transmission function, it can provide an electricity generation or electric traction function.
- the electromagnetic coupler Compared to the electrical transmission with two separate machines, the electromagnetic coupler has several notable advantages, in particular the following: the dimensioning of the electronics, and therefore their cost, can be reduced significantly: indeed, the desired flexibility can be obtained by only dealing with the electronics with the sliding power between the two rotors, in the same way, the coupler has an efficiency advantage; (lower power passing through the electronics, low iron losses of the M1 machine which operates at low differential speed, or even at synchronism with the only magnetizing power), the principle integration of electric machines makes it possible to obtain compact embodiments.
- the present invention takes up these solutions of electromagnetic couplers without sliding contact and brings them new progress likely to further improve their efficiency and compactness.
- the invention thus relates to an electromagnetic coupler for electrical power transmission comprising two electrical machines, with two rotors respectively connected to a first and to a second shaft, the armatures of these two machines being arranged between the two rotors.
- this electromagnetic coupler is characterized in that the windings of the two armatures are common to these two armatures, a first air gap being formed between a part of one of the rotors and a part of the other rotor, a second air gap being made between the common windings of the two armatures and another part of one of the rotors and an additional air gap being made between the windings and said
- the electrical power transmission device comprising an electromagnetic coupler for electrical power transmission comprising two electrical machines, with two rotors respectively connected
- the armatures of these two machines being arranged between the two rotors is characterized in that the windings of the two armatures are common to these two armatures, a first air gap being produced between a part of one of the rotors and part of the other rotor, a second air gap being formed between the common windings of the two armatures and another part of one of the rotors and an air gap
- This electromagnetic coupler preferably comprises several annular windings arranged one next to the other around a common axis, each of these windings being supplied by the single inverter. Each winding is between two magnetic elements each comprising a series of claws annularly arranged around the winding and directed towards the claws
- the claws of one of the elements being disposed between the claws of the other element, these claws being arranged opposite magnets arranged annularly on an outer part of the rotor to produce the first air gap, the number of magnets being equal to that of the claws and the polarity of these magnets being successively reversed.
- each coil annularly surrounds two magnetic elements each comprising a series of claws annularly arranged around the axis of the coil and directed towards the claws of the other element, the claws of one of the elements being disposed between the claws of the other element, these claws being arranged opposite magnets arranged on an inner part of the rotor to make the second air gap, the number of magnets being equal to that of the claws and the polarity of these magnets being successively reversed , each winding defining with said claw elements, a wafer.
- the wafers are angularly out of phase one with respect to the next by 2 ⁇ r / (n ⁇ .p 1 ) with respect to the first air gap and by 2 ⁇ / (n 2 .p 2 ) with respect to the second air gap, the number n of windings being a common multiple of ni and n 2 , ni being the number of phases corresponding to the air gap (E1) and n 2 being the number of phases corresponding to the air gap (- ⁇ 2), pi being the number of pairs of poles on the first air gap and p 2 the number of pairs of poles on the second air gap.
- the single inverter is adapted to generate in each wafer a first polyphase pulse current ⁇ i phase shifted by 2 ⁇ r / n.
- FIG. 1 is a block diagram of an electromagnetic coupler according to the state of the art, illustrated here in a concentric arrangement of the two machines
- FIG. 2 is a schematic diagram of an electromagnetic coupler without sliding contact with annular globalized windings immobilized by means of additional air gaps
- FIG. 1 is a block diagram of an electromagnetic coupler according to the state of the art, illustrated here in a concentric arrangement of the two machines
- FIG. 2 is a schematic diagram of an electromagnetic coupler without sliding contact with annular globalized windings immobilized by means of additional air gaps
- FIG. 1 is a block diagram of an electromagnetic coupler according to the state of the art, illustrated here in a concentric arrangement of the two machines
- FIG. 2 is a schematic diagram of an electromagnetic coupler without sliding contact with annular globalized windings immobilized by means of additional air gaps
- FIG. 3 is an exploded view of an arrangement of magnetic claw circuit with additional air gaps allowing the immobilization of the winding
- the Figure 4 is a variant of an electromagnetic coupler without sliding contact: the wound parts of the armatures 1 and 2 are arranged adjacent; in addition, they are both made with windings annulars with magnetic couplings by systems of claws _ rotary claws for the armature 1, fixed claws for the armature 2_,
- FIG. 5 is an arrangement according to the invention with pooling of the windings of the two armatures
- FIG. 5a is a diagram of the electronics used in the device according to FIG. 5
- FIG. 6 is an exploded view of a winding according to the arrangement of FIG.
- FIG. 10 shows an example of adaptation to the invention of an asynchronous cage illustrated in perspe ctive on the inner part of the rotor, a non-magnetic space is provided between the magnetic circuits associated with each wafer, - Figure 11 shows another example of adaptation to the invention of an asynchronous cage: the perspective view does not show this time that half of the outer part of the rotor, the busbars have segments offset angularly to achieve the desired phase shift.
- FIG. 4 The principle of this arrangement is given in FIG. 4. The general operation is similar to that of the arrangement in FIG. 2.
- the shaft 7 called “motor” drives systems of claws 10 associated with the armature 1 and which ensure their coupling to the active parts of the air gap E1.
- the magnetic connection between these rotating claws 10 and the fixed annular windings 9 of the armature 1 takes place through additional smooth air gaps ES.
- This first armature 1 comprises several wafers placed side by side with an appropriate successive angular phase shift between claws and active parts of the rotor opposite, so as to constitute a polyphase system.
- This first electric machine powered by an electronic inverter 3, allows you to transmit the torque from the motor shaft 7 to the motion output 5 with a positive or negative slip adjustable at will.
- the second armature, associated 2, associated with another electronic inverter 6 plays the role of a conventional electric machine and makes it possible to add or subtract torque from the rotor linked to the movement output.
- the sliding power of the first armature 1 can be used on the second armature 2 with possible exchanges with storage of electrical energy.
- the role of each air gap E1, E2, ES can be naturally reversed with an air gap E1 and its additional external air gap ES while the air gap E2 would become internal. Compared to that of FIG. 2, the arrangement of FIG.
- FIG. 5 corresponds to one of the possibilities of using the command with compound currents which makes it possible to get rid of parasitic torque ripples.
- the stator heights of FIG. 4 have been generally preserved in the representation of FIG. 5 to highlight the possible increase in section of the single winding 9 relative to each of the previous windings. In this arrangement, the storage of electrical energy is always optional.
- FIG. 6 provides an exploded view indicative of a coil 9 common to the two armatures 1, 2 and of the double system of claws which is associated with it; the assembly is positioned opposite the movement output rotor. In this FIG.
- the references 10, 10a designate the system of claws associated with the air gap E2
- the references 12, 12a the system of rotating claws associated with the air gap E1
- the references 13, 14 the surfaces facing the additional air gap ES
- the references 15, 15a the external and internal parts of the movement output rotor which in this example is shown with a surface magnet arrangement.
- the references 16 and 17 designate the magnetic elements associated with the claws 12, 12a.
- Each of these groups of magnets is arranged on a ferromagnetic ring (respectively internal and external) which ensures the closure of the flux.
- the number of claws of each air gap is equal to the number d '' magnets which are opposite; there are thus pi pairs of poles on - air gap E1, and p 2 on the air gap E2, *
- the successive arrangement of the wafers comprises an angular phase shift of 2 ⁇ / (n 1 .p 1 ); this phase shift can be obtained either by playing on the angular setting of the group of magnets associated with this wafer at the air gap E1, or at the level of the corresponding group of claws of the rotor of the power source.
- the system is electrically with neither phases.
- the successive arrangement of the pancakes comprises an angular phase shift of 2 ⁇ (n 2 .p 2 ); this phase shift can be obtained either by playing on the angular setting of the group of magnets associated with this wafer at the air gap E2, or at the level of the group of corresponding fixed claws.
- the system is electrically at n 2 phases. and ! is the relative angular position of the rotor associated with the movement output compared to that of the rotor associated with the power source, whose angular position for the air gap El ⁇ 2 is the angular position of the rotor associated with the movement output, therefore the angular position for the air gap E2.
- ⁇ and ⁇ * the speeds of the motor input and the motion output:
- ⁇ - p 1. ( ⁇ : s - ⁇ e ) and 2 p 2 - ⁇ l s the electrical pulses associated respectively with the two air gaps.
- ⁇ a ⁇ ; ⁇ a2 and ⁇ b will be respectively the magnetic potentials of the magnets of the air gap El, of the air gap E2 and that of the coil (ie, its ampere turns).
- the inverter 3 is shown diagrammatically in FIG. 5a: it includes a number of arms corresponding to a common multiple of ni and n 2 preferably the smallest common multiple.
- This number of arms 18 corresponds to the number of wafers, unless each polyphase system comprises several groups of identical phases: in this case, the windings of the same setting can be connected in parallel or in series.
- the inverter can thus generate in each of the k. groups of pancakes with neither phases a system of polyphase pulsating currents ⁇ - . ; within a group, each current is successively phase shifted by 2 ⁇ / n and the sum of the currents is zero.
- the inverter can also generate in each of the ka groups of wafers with n 2 phases a polyphase current system of pulsation ⁇ 2 ; within a group, each current is successively phase shifted by 2 ⁇ / n 2 and the sum of the currents is zero.
- the summation of the instructions makes it possible to obtain a superposition of the two polyphase systems, and a wafer i will be traversed by currents giving it a magnetic potential:
- FIG. 7 gives an equivalent diagram of the magnetic circuit thus defined on a wafer. Like the illustrations used for electrical circuits, the circles represent the sources of magnetic potential and the rectangles represent the times.
- the electromagnetic torque of a wafer at the air gap E1 is written: r - l dK ° ⁇ 1 l - --2a2 1 dk + bb ⁇ d x da, 2 da + ⁇ _.
- the torque linked to the interaction between groups of magnets 1 and 2 is on the air gap E1 of the wafer i of: -M) either again: 211 + sin (p, . ⁇ - - » 2 . ⁇ 2 ( ⁇ -k 2 ) i)) n
- the wafer in question is therefore subjected to the air gap E1 to a pulsating torque which has two components: one to the pulsation ⁇ - ⁇ + ⁇ - 2 and the other to
- n ⁇ n 2 .
- ⁇ r- ⁇ ⁇ 1 are zero.
- the interaction coil-group 1 of magnets results in a continuous useful component, and three components drawing respectively at o. 1t ⁇ + ⁇ 2l and
- the result is zero for n ⁇ > 2.
- the other two, drawing components also have zero results except in special cases already mentioned; they are zero in particular for the examples of FIG. 9. Symmetrically, a similar result is obtained in the space-r E2. a ⁇ -? -?.?. î5-? y J. e . ⁇ .
- the densities ji and j 2 of the compound currents are now each of the order of j / k; except in particular cases where the pulsations e ⁇ and ⁇ 2 are linked, the Joule losses associated with ji and j 2 are simply additive: h 2 + J2 2 ); (P being the resistivity of the conductor and V Ctl its overall volume); this means that the overall Joule losses are then divided by k> 2.
- FIG. 10 gives an example of adaptation of an asynchronous cage on the air gap E1.
- the references 25, 26 designate short-circuit rings of the asynchronous cage, the reference 27 of the parallel conducting bars, the reference 28 of the annular surfaces of the ferromagnetic circuit included between the bars 27 and annular spaces 29 not magnetic.
- the reference 30 designates the magnetic yoke. It is assumed here that the required phase shift between successive wafers is obtained by an angular offset at the level of the consecutive claw systems.
- the conductive bars 27 disposed at regular intervals at the periphery of the rotor are thus substantially rectilinear and parallel to the longitudinal axis.
- each of the segments of a bar which is in the air gap of a wafer is the seat of two electromotive force components associated respectively with the two systems of compound currents; the assembly operates on the summation of these fems on all of the pancakes; thus for example, the parasitic polyphase component intended for the other rotor leads to zero summation on all the segments of each bar. If intermediate currents in the looping through the end rings can develop, they will cause losses. For this reason, the bars must be isolated from each other here along their length. This insulation can be obtained naturally if the ferromagnetic material used is not a good electrical conductor (in the case of iron powders).
- FIG. 10 shows an alternative embodiment of an asynchronous cage of an electromagnetic coupler according to the invention. It shows in section the external part of the rotor.
- the reference 31 represents the path of a conductive bar with its six staircase segments.
- the reference 32 represents the cylinder head.
- the references 33 and 34 show the two short-circuit end rings.
- the reference 35 designates the non-magnetic spaces.
- the conductive bars 31 appear to consist of a set of segments delimited by the borders between successive wafers; these seg each is essentially straight and parallel to the longitudinal axis, but between them a successive angular offset that can contribute partially or completely to ensuring the required phase shift between wafers at this gap.
- connection which in principle take the form of arcs of a circle in the plane perpendicular to the longitudinal axis. These connections can be used as wedges in non-magnetic spaces.
- the bar segments may have an inclination relative to their reference position, and the principle aliasing between the segments may be greatly reduced, or even masked.
- This embodiment in which the phase shift is carried out with the rotor makes it possible to freely choose the relative angular positioning between wafers of the claw systems, for example on criteria of minimisatio ⁇ of the leakage permeances between wafers.
- the asynchronous cages can be produced by various methods: conductive bars 27, 31 made of copper can for example be attached and welded in situ to their end rings 25, 26; 33, 34. It is also possible from the start to make a complete cage, for example of cast aluminum, to which the elements of sectored magnetic circuits have been attached. It is also possible, in the case of using iron powders, to consider pressing the magnetic material on the cage. The mechanical strength of these assemblies can be obtained by bonding, overmolding, shrinking, etc. solutions.
- the invention applies to an electromagnetic coupler without sliding contact as described in French patent application 04 00830 of January 29, 2004, that is to say the windings of the rotary armature are made fixed in an arrangement "with centralized armature” and “additional air gaps” with distribution of the alternating flow in the air gap by systems of claws.
- the magnetic circuits of the two armatures are pooled, the parts of the stator becoming “through flow” and each wafer no longer comprising a single coil common to the two armatures.
- the control is carried out by a single inverter which supplies the windings with compound currents.
- the active parts of the rotor associated with the movement output are processed to accept the alternating flows of the non-synchronous component, avoiding the development of parasitic currents in the magnetic circuit itself (lamination, iron powders), in any magnets (materials with suitable electrical resistivity, fragmentation in isolated elements) or in intermediate current paths along the length of the asynchronous cage bars (electrical insulation of the bars along their length, use of a non-conductive ferromagnetic material).
- the above description also shows how to make non-magnetic spaces at the rotor to limit the undesirable coupling between wafers.
- we note the special adaptation of the asynchronous cages which makes it possible to partially or totally treat at the rotor level the angular shifts required for your phase shifts between slabs.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05739697A EP1735898A2 (fr) | 2004-04-01 | 2005-03-31 | Coupleur electromagnetique de transmission electrique de puissance et dispositif de transmission comportant un tel coupleur |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0403423 | 2004-04-01 | ||
| FR0403423A FR2868622B1 (fr) | 2004-04-01 | 2004-04-01 | Coupleur electromagnetique de transmission electrique de puissance et dispositif de transmission comportant un tel coupleur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2005096476A2 true WO2005096476A2 (fr) | 2005-10-13 |
| WO2005096476A3 WO2005096476A3 (fr) | 2006-02-09 |
Family
ID=34944518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2005/050205 Ceased WO2005096476A2 (fr) | 2004-04-01 | 2005-03-31 | Coupleur electromagnetique de transmission electrique de puissance et dispositif de transmission comportant un tel coupleur |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1735898A2 (fr) |
| FR (1) | FR2868622B1 (fr) |
| WO (1) | WO2005096476A2 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2390994A1 (fr) * | 2010-05-26 | 2011-11-30 | Delphi Technologies, Inc. | Engrenage magnétique et transmission à division de puissance l'utilisant |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000350309A (ja) * | 1999-06-04 | 2000-12-15 | Denso Corp | 動力変換装置ならびに車両用駆動装置 |
| DE10101377A1 (de) * | 2001-01-13 | 2002-07-18 | Vlado Ostovic | Schalenmaschinen |
| JP3671884B2 (ja) * | 2001-08-30 | 2005-07-13 | 日産自動車株式会社 | 回転電機 |
| JP3711956B2 (ja) * | 2002-04-01 | 2005-11-02 | 日産自動車株式会社 | 回転電機の駆動方法 |
-
2004
- 2004-04-01 FR FR0403423A patent/FR2868622B1/fr not_active Expired - Lifetime
-
2005
- 2005-03-31 WO PCT/FR2005/050205 patent/WO2005096476A2/fr not_active Ceased
- 2005-03-31 EP EP05739697A patent/EP1735898A2/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2868622A1 (fr) | 2005-10-07 |
| EP1735898A2 (fr) | 2006-12-27 |
| WO2005096476A3 (fr) | 2006-02-09 |
| FR2868622B1 (fr) | 2006-06-02 |
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