CN110168881A - Flux for motor vehicles traction switches rotating electric machine - Google Patents
Flux for motor vehicles traction switches rotating electric machine Download PDFInfo
- Publication number
- CN110168881A CN110168881A CN201880006191.9A CN201880006191A CN110168881A CN 110168881 A CN110168881 A CN 110168881A CN 201880006191 A CN201880006191 A CN 201880006191A CN 110168881 A CN110168881 A CN 110168881A
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- Prior art keywords
- inductor
- pawl
- rotating electric
- electric machine
- group
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
- H02K23/06—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having shunt connection of excitation windings
-
- 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
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention mainly relates to a kind of DC rotation electric traction machine (10) with brush, including the armature (12) and inductor (11) being made of the rotor for being provided with winding, it is characterized in that, the inductor (11) is motivated with individual coiling, by the inductor current (Is) of the excitation independently of armature supply (Ir), and coil (the B1 that the inductor (11) can be passed through by selection inductor current (Is), B2, B3 it is horizontal that at least three different magnetic flux) are discretely generated, each traction mode (M1 for corresponding to rotating electric machine, M2, M3).
Description
Technical field
The present invention relates to a kind of rotating electric draggers for motor vehicles with flux switching.The present invention has spy
Not advantageous application, for promoting the electric vehicle with low-power especially 4kW to 5kW.Therefore, the present invention can be advantageously
It is used in particular for the sulky vehicle or heavy carriage of low-power four-wheel electric vehicle (lilliput car), motor cycle type.
Background technique
Nearly all known system for drawing electric vehicle is all based on ac motor, with permanent-magnet synchronous or different
Step.However, due to using position sensor and integrated switch element in inverter, brushless multiphase framework has at high cost lack
Point.
Propulsion system for electric vehicle is also known, and based on the dc motor with brush, and is had
Individually excitation.The control of motor consists essentially of the adjusting to the power on armature (in the dc motor with brush
Speed under usual control model), completed by the consecutive variations of the flux on inductor.Due to such control
It is smoothly, the driver that dynamic drives usually to be liked using it and feels uneasy or even unhappy.
Summary of the invention
The purpose of the present invention effectively disappears especially by a kind of DC rotation electric traction machine with brush is proposed
Except disadvantages mentioned above, including the armature and inductor being made of the rotor for being provided with winding, which is characterized in that the inductor has
Individual coiling excitation, by the inductor current of the excitation independently of armature supply, and the inductor can pass through choosing
It selects the coil that inductor current passes through and discretely generates at least three different magnetic flux levels, each corresponding to rotating electric machine
Traction mode.
Due to by inductor with caution and rapidly generate different level flux, the invention enables can provide with
For speed than changing identical function, this provides pleasant driving sensation for driver.The present invention also has the response time
Very short advantage.
In addition, the present invention is economical, because it is avoided using the especially permanent magnet made of rare earth.It is cut with machinery
The such direct current framework changed, which also avoids, must use expensive electronic inverter or specifically go weldering (defluxing)
Control.
Main control by inductor flux (rather than conversion of armature) provide, and with the preferred careful order at armature
Related (rather than direct as conventional situation) simultaneously, which has limited the power of motor.In fact, since inductor is by low electricity
Stream supply, therefore compared with the directly controlling of the power circuit of armature, from the viewpoint of energy, motor according to the present invention is
Economical.
According to an embodiment, the armature is electrically connected to battery by the switch of rheostat type, the switchgear distribution at
Horizontal variation synchronously provides the variation of resistance with the magnetic flux in the inductor.
According to an embodiment, the inductor configuration is with low current operation, which is lower than 50A, and preferably
10A.This allows to reduce the cost usually in square upper component indexed of electric current.
According to an embodiment, the inductor is activated before the armature.
According to an embodiment, the independent coiling excitation of the inductor is formed by three coils of every pole of inductor.
According to an embodiment, each component related (in hand) three line windings of three coils.
Due to this coupling, the activation or deactivation of one of coil will not generate overvoltage, for example work as current level
The voltage being observed that when suddenly change in retarder.
According to an embodiment, the inductor is the monopole type with pawl, and the inductor includes forming single inductor
At least three coils of winding.This framework with single global inductor winding can not be to every regardless of number of poles
The subcoil of a pole is decomposed, but the subdivision of global inductor spiral pipe is carried out to the single time.This allows to promote
Production, connection and the control of inductor.Further, since there is no winding head and more compact axial flux armature on inductor,
The consumption of copper reduces.
According to an embodiment, single pole inductive device has axial flux.Such framework with axial flux makes
Torque level can be obtained, so as to avoid using costly and cumbersome mechanical reducer grade.
According to an embodiment, the single pole inductive device with axis includes:
- the first group pawl has the first part axially extending from the inner circumferential of bizet, and in the direction opposite with axis
On the second part that radially extends；
- the second group pawl, their polarity all having the same are opposite with the polarity of first group of pawl；
Each pawl of second group of pawl includes first part, identical with the first part of first group of pawl
From the extension of the peripheral, axial of the bizet and second part on direction, from radially from the hat on the direction of axis
The axial end portion of farthest first part, portion extends；
Between the bizet and second part of each pawl for being assemblied in every group to the inductor axis of winding, and it is radial
Ground is assemblied between the first part of first group of pawl and the first part of second group of pawl.
According to an embodiment, the single pole inductive device has radial flux.
According to an embodiment, the inductor includes prominent relative to the inner circumferential of yoke on the direction of yoke and the axis in the yoke
The pole piece radially extended out, and in the case where two adjacent pole pieces are axially relative to one another offset, the inductor
Winding has axial fluctuating, to pass through between the pole piece.
According to an embodiment, the rotating electric machine includes mechanical switch and/or is integrated in the internal capacity of inductor
Ventilating system.
The invention further relates to a kind of motor vehicles, which is characterized in that it includes foregoing rotating electric dragger.
According to an embodiment, the electric traction machine is mounted on the rear axle between the wheel and differential mechanism of the motor vehicles
On.As modification, in the wheel that motor can be directly installed on vehicle in assembly " wheel-motor " type.
Detailed description of the invention
Attached drawing therewith is described below and checked by reading, be better understood with the present invention.These figures for purely
Illustrate and provide, does not limit the invention in any way.
Fig. 1 is the schematic diagram of the rotating electric dragger according to the present invention for motor vehicles；
Fig. 2 a to 2c shows the coil of the inductor of the motor in Fig. 1 respectively with the first, second, and third traction mode
Configuration；
Fig. 3 a is indicated during the operation order of rotating electric dragger according to the present invention in inductor and armature
The curve graph of the development of electric current；
Fig. 3 b corresponds to the diagram of the different flux levels of the different traction modes of motor according to the present invention.
Fig. 4 shows the speed/torque characteristic of the different traction modes of motor according to the present invention, each corresponds to speed
Than；
Fig. 5 is the perspective view of the inductor of starter according to the present invention, is provided with and each is formed by three coils
Pole；
Fig. 6 a is the perspective view of the inductor of the monopole type starter according to the present invention with axial flux；
Fig. 6 b is the perspective view of the inductor of the monopole type starter according to the present invention with radial flux；
Fig. 7 is the motor vehicles schematically shown from top comprising installs the electricity according to the present invention on axis behind
Power dragger；
Fig. 8 is the characteristic torque/speed and power/rate curve of the specific embodiment of electric traction machine according to the present invention
Diagram.
Identical, similar or similar element reference marker having the same in each figure.
Specific embodiment
Fig. 1 shows according to the present invention with direct current and the electric traction machine 10 with brush.It should be motivated with coiling
Motor 10 include inductor 11 and armature 12.In this case, armature 12 is made of the rotor for being provided with winding.
In addition, electromagnet contactor is provided with the mechanical power source contact for belonging to power circuit C_Puis together with armature 12
K0。
Power contact K0 is controlled by the coil B_cmd for belonging to control circuit C_Com.Circuit C_Com further includes contact
The excitation of the close commands control coil B_cmd of S, contact S, so as to cause the closure of power contact K0.Electric energy is by battery Batt
Supply, supply voltage is preferably 48V.
Inductor 11 is motivated with individual coiling, by the electric current Is of the excitation independently of the electric current Ir of armature.Inductance
Device 11 is electrically connected to control coil B_cmd via voltage source 15, and voltage source 15 is controlled to will pass through adjusting to ensure inductor
Constant current Is in 11.
Therefore, belong to the inductor 11 of control circuit C_Com with low current operation, which is similar in control coil
The electric current of middle circulation.The constant current Is to circulate in inductor 11 is lower than 50A, and preferably about 10A.This therefore pole
The earth limits the loss of the Joule effect of inductor 11, and can be by low power electronics component with reduced cost control
Electric current (the latter and electric current square related).
Optionally, armature 12 can be electrically connected to battery Batt by the switch 14 of rheostat type, to allow to adjust
12 voltage of armature, so as to improve the adjusting of the rotation speed of armature 12.The variation of resistance and the flux level in inductor 11
Variation is synchronously carried out, as described in greater detail below.
Preferably, the variation of resistance is also discretely carried out.Therefore, the first resistor value of armature 12 is corresponding to the logical of mode M1
Amount is horizontal, and the second resistance value of armature 12 corresponds to the flux level of mode M2, and the 3rd resistor value of armature 12 corresponds to mould
The flux level of formula M3.Rheostat 14 can have mechanical switch, so as to from a resistance value to another resistance value, Huo Zhetong
Cross in conjunction with a series of transistors carry out electric power switching, this allow to by rheostatic resistance from a horizontal handoff to another
It is horizontal.The electric current Ir to circulate in power circuit C_Puis may be about 250A.
As shown in figure 3, the inductor 11 that electric current Is passes through is activated before the armature 12 that electric current Ir passes through.In fact,
When contact S closure, inductor 11 and control coil B_cmd have the electric current by them simultaneously.To this of inductor 11
Prior actions aim to ensure that inductor 11 has been in stable state when connecting the power supply of armature 12.
By coil B1, B2, the B3 for selecting inductor current Is to pass through, inductor 11 can discretely generate at least three
The magnetic flux of different level, each traction mode M1, M2, M3 for corresponding to rotating electric machine 10.
In order to obtain the magnetic coupling of maximum horizontal, three coils of each of each pole series by a series of three coils
B1, B2, B3 are wound with related three lines.
In addition, control unit 16 can control switch K1, K2, K3, so as to selectively deactivate or activate coil B1,
B2,B3.Switch K1, K2, K3 can be in the form of the transistor of switching state operation, especially the transistor of MOS type.
In the first traction mode M1, coil B1, B2 and B3 of each pole of inductor 11 are connected, so as to maximize by
The magnetic flux that inductor 11 generates, as shown in Figure 2 a.For this purpose, the closure and switch K2 and K3 of 16 command switch K1 of control unit
Opening.
In the second traction mode M2, coil B1 is deactivated, so that electric current Is circulates in coil B2 and B3, to subtract
The small magnetic flux generated by inductor 11, as shown in Figure 2 b.For this purpose, the closure and switch K1 of 16 command switch K2 of control unit
With the opening of K3.
In third traction mode M3, coil B1 and B2 are deactivated, so that electric current Is only circulates in coil B3, thus
The magnetic flux generated by inductor 11 even is further decreased, as shown in Figure 2 c.For this purpose, 16 command switch K3's of control unit closes
The opening of conjunction and switch K1 and K2.
As shown in Figure 3b, during period T1 to the prior actions of inductor 11 allow to from a kind of traction mode to
The almost transient change of flux level is obtained when another traction mode.Each of observe with traction mode M1, M2, M3
The flux of relevant different level.Therefore, horizontal, the level and traction mode of flux F2 related to traction mode M1 of flux F1
M2 is related, and the level of flux F3 is related to traction mode M3.
The invention enables the motor 10 that can be obtained show as exist three available internal speed ratios, with from
One is arrived another very short transit time.These speed ratios can be selected according to the operation phase of motor.
As shown in figure 4, mode M1 can be implemented with low speed so that torque maximization, mode M2 can be implemented with middling speed, and mode
M3 can be implemented to maximize speed to reduce torque.Therefore, each pattern corresponds to speed ratio.Such configuration makes
Obtain the characteristic that can improve motor under constant power (referring to curve C1 and C2).It should be appreciated that coil can be increased according to application
Quantity and therefore increase corresponding speed ratio, particularly, it can be equal to 4,5 or 6.
It is obtained as shown in figure 5, three coils B1, B2, B3 can wind from the yoke 19 for the stator for forming inductor 11
On each tooth 18.The stator is preferably made of laminated material, to limit Foucault current.It should be noted that in three kinds of operation modes
In M1, M2 and M3, the flux to circulate in inductor 11 is in a same direction.
As modification, as shown in Figure 6 a, inductor is the monopole type with pawl.Therefore, which includes forming list
Three coils B1, B2, B3 of a overall situation inductor winding B and the pawl for the not homopolarity for forming inductor 11.In this case,
Inductor 11 includes three coils B1, B2, B3 of single series, regardless of the number of poles of inductor 11.This makes available promotion
The production of inductor 11.
More specifically, the single pole inductive device 11 with the axial flux with axis X includes first group of pawl 11a, have
The first part 11a1 axially extending from the inner circumferential of bizet 11c, and along the direction opposite with axis X from farthest from bizet 11c
First part 11a1 the second part 11a2 that radially extends of axial end portion.
Inductor 11 further includes second group of pawl 11b, their polarity all having the same, the polarity with first group of pawl 11a
On the contrary.Each pawl 11b includes first part 11b1, on direction identical with the first part 11a1 of first group of pawl 11a from
The peripheral, axial of bizet 11c extends.Each pawl 11b further includes second part 11b2, on the direction of axis X from radially from
The axial end portion of bizet 11c farthest first part 11b1 extends.
Pawl 11a and 11b are arranged so that their second part 11a2 and 11b2 angularly replaces around axis X.Change sentence
It talks about, first group of pawl 11a has adjacent thereto second group of two pawl 11b, and vice versa.
The winding B axle of inductor 11 including three coils B1, B2, B3 is assemblied in the bizet of every group of each pawl to ground
Between 11c and two part 11a2 and 11b2.In addition, winding B is radially assemblied in first group of first part 11a1 and second
Between the first part 11b1 of group.
It is such to configure the production for allowing to promote inductor 11, and the best possibility of the desaturation of pawl is provided
Property.It, can be with reference to the patent application submitted with number FR16/55885 for the further details about the embodiment.
Inductor 11 can be for example including 20 pawls, therefore including 20 poles.Inductor 11 has relatively large outer diameter, example
Such as from about 250mm.Therefore, it can use the size of inductor 11 and respective rotor, will include current-collector, a series of brushes and electricity
Brush holder and/or the mechanical switch of ventilating system merge in the internal capacity of inductor 11.
As shown in Figure 6 b, inductor 11 can have radial flux.For this purpose, inductor 11 includes yoke 21 and pole piece 22, pole
Core 22 highlightedly radially extends on the direction of the axis Y of the yoke relative to the inner circumferential of yoke 21.In two adjacent pole pieces 22
In the case where being axially relative to one another offset, the winding B including three coils B1, B2, B3 has axial fluctuating, so as to described
Pass through between pole piece 22.
It, can be with reference to the patent application submitted with number FR16/54821 about the further details of the embodiment.
Fig. 7 shows motor vehicles 25, including on its rear axle 26 for being mounted between the wheel 28 of vehicle and differential mechanism
Electric traction machine 10.As modification, electric traction machine 10 be may be mounted on front axle 27.As modification, electric traction machine 10 can
To be mounted at least one wheel 28 of vehicle.Particularly, machine 10 is used in each rear-wheel.
According to particularly preferred but non-limiting embodiment, for being provided with the small wheels equipped with 145/70/R13 tire
400kg vehicle, use the dragger 10 supplied by 48V system.The cylinder size that machine 10 has is significantly less than wheel
Wheel rim (diameter) and tire (width).
As can be seen from Figure 8, wherein curve C3 and C4 respectively represent the machine 10 characteristic torque/speed and power/
Rate curve, maximum power P_max are 4kW, and torque capacity C_max is 190N.m, and maximum speed V_max is that 500rpm is (i.e. micro-
The 50km/h of type vehicle).Such motor 10 is " slow " type (with the machine phase for bearing the rotation speed greater than 5000rpm
Than), therefore allow using multipair pole, performance will not be lost by iron loss.Therefore, such machine 10 is conducive to have
The monopole framework of pawl.
There are three types of operation mode M1, M2, M3 for the tool of dragger 10, correspond to the pass the flux in three coils B1, B2, B3
Switch the equivalent ratio obtained.Such dragger 10 is mentioned in the minicar system with simple designs with the smallest cost
The driving sensation of pleasant is supplied, this is original for electrical haulage.
This motor size for allowing to obtain is 190N.m (C.max), but is less than 250rpm rather than 500rpm,
Middle mode M1 has torque capacity N.max (e.m.f. unloading).It is substantially bent by three that Fig. 8 shows curve C3 torque/speed
Line is close to hyperbola.
At maximum power Pmax, in base speed 200rpm or 20km/h, 350rpm or 35km/h and 500rpm or
Three operating points are advantageously limited at 50km/h.
Therefore, dragger 10 works 0 into the mode M1 (being equivalent to the first register ratio) between 25km/h,
25 work into the mode M2 (being equivalent to the second register ratio) between 45km/h, and the mould between 45 and 55km/h
It works in formula M3 (being equivalent to third mechanical ratio).
It can be observed that with reference to 33 power decline direction 25,45 and 55km/h (i.e. 250,450 and 550rpm), preceding two
It is excitation " reaching higher ratio " in the case of kind, i.e., in acceleration period change pattern, there is desired promising result, in last feelings
Under condition, prevention is more than the maximum speed V.max of about 50km/h.
It should be appreciated that the description of front is provided as example, be not intended to limit the field of the invention, with it is any its
His equivalent replaces different elements and does not constitute the deviation present invention.
In addition, different characteristic of the invention, modification and/or embodiment can be relative to each other according to different combinations, as long as
They are not incompatible or mutually exclusive.
Claims (14)
1. a kind of DC rotation electric traction machine (10) with brush, including inductor (11) and the rotor by being provided with winding
The armature (12) of composition,
It is characterized in that, the inductor (11) is motivated with individual coiling, it is only by the inductor current (Is) of the excitation
It stands on armature supply (Ir), and
The inductor (11) can discretely be generated by the coil (B1, B2, B3) for selecting inductor current (Is) to pass through
At least three different magnetic flux are horizontal, each traction mode (M1, M2, M3) for corresponding to rotating electric machine.
2. rotating electric machine according to claim 1, which is characterized in that the armature (12) passes through the switch of rheostat type
(14) it is electrically connected to battery (Batt), the switch (14) is configured to the variation with the magnetic flux level in the inductor (11)
The variation of resistance is synchronously provided.
3. rotating electric machine (10) according to claim 1 or 2, which is characterized in that the inductor (11) is configured to low
Current practice, the electric current are lower than 50A, and preferably 10A.
4. rotating electric machine (10) according to any one of claim 1 to 3, which is characterized in that the inductor (11) exists
It is activated before the armature (12).
5. rotating electric machine (10) according to any one of claim 1 to 4, which is characterized in that the inductor (11)
Independent coiling excitation coil is formed by three coils (B1, B2, B3) of every pole of inductor (11).
6. rotating electric machine (10) according to claim 5, which is characterized in that each component of three coils (B1, B2, B3)
It is wound with related three lines.
7. rotating electric machine (10) according to any one of claim 1 to 4, which is characterized in that the inductor (11) is
Monopole type with pawl, the inductor (11) include formed single inductor winding (B) at least three coils (B1, B2,
B3)。
8. rotating electric machine (10) according to claim 7, which is characterized in that the single pole inductive device (11) has axial logical
Amount.
9. rotating electric machine (10) according to claim 8, which is characterized in that the single pole inductive device (11) with axis (X)
Include:
- the first group pawl (11a), have the first part (11a1) axially extending from the inner circumferential of bizet (11c), and with axis
The second part (11a2) radially extended on the opposite direction of line (X)；
- the second group pawl (11b), their polarity all having the same are opposite with the polarity of first group of pawl (11a)；
Each pawl (11b) of second group of pawl (11b) includes first part (11b1), with first group of pawl (11a)
The identical direction of first part (11a1) on from the peripheral, axial of the bizet (11c) extend and second part (11b2),
It extends on the direction of axis (X) from the axial end portion of first part (11b1) radially farthest from the bizet (11c)；
The inductor winding (B) be axially assemblied in every group of each pawl bizet (11c) and second part (11a2,
Between 11b2), and be radially assemblied in first group of pawl (11a) first part (11a1) and second group of pawl
Between the first part (11b1) of (11b).
10. rotating electric machine (10) according to claim 7, which is characterized in that the single pole inductive device (11) has radial
Flux.
11. rotating electric machine (10) according to claim 10, which is characterized in that the inductor (11) include yoke (21) and
The pole piece (22) that inner circumferential on the direction of the axis (Y) of the yoke relative to yoke (21) highlightedly radially extends, and two
In the case that a adjacent pole piece (22) is axially relative to one another offset, the inductor winding (B) has axial fluctuating, so as to
Pass through between the pole piece (22).
12. rotating electric machine according to any one of claim 1 to 11, which is characterized in that it include mechanical switch and/or
The ventilating system being integrated in the internal capacity of the inductor (11).
13. a kind of motor vehicles (25), which is characterized in that it includes electric rotating according to any one of the preceding claims
Power dragger.
14. motor vehicles according to claim 13, which is characterized in that the electric traction machine is mounted on the motor vehicle
On rear axle (26) between the wheel and differential mechanism of (25).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1750497A FR3062252B1 (en) | 2017-01-20 | 2017-01-20 | TENSILE ROTATING ELECTRIC MACHINE FOR A MOTOR VEHICLE WITH FLOW SWITCHING |
| FR1750497 | 2017-01-20 | ||
| PCT/FR2018/050144 WO2018134543A1 (en) | 2017-01-20 | 2018-01-19 | Flux switching rotating electrical machine for traction for a motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110168881A true CN110168881A (en) | 2019-08-23 |
Family
ID=59152979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880006191.9A Pending CN110168881A (en) | 2017-01-20 | 2018-01-19 | Flux for motor vehicles traction switches rotating electric machine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3571756A1 (en) |
| JP (1) | JP7071378B2 (en) |
| CN (1) | CN110168881A (en) |
| FR (1) | FR3062252B1 (en) |
| WO (1) | WO2018134543A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474978A (en) * | 2019-02-12 | 2021-10-01 | 法雷奥电机设备公司 | Mechanical commutator multiphase synchronous motor |
| FR3092712A1 (en) * | 2019-02-12 | 2020-08-14 | Valeo Equipements Electriques Moteur | Polyphase synchronous electrical machine with mechanical switch |
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| JPS52149307A (en) * | 1976-06-07 | 1977-12-12 | Hitachi Ltd | Commutation compensating device of direct current machine |
| JP2585281Y2 (en) * | 1992-04-30 | 1998-11-18 | 三菱農機株式会社 | Electric farm tractor |
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| JP2005020795A (en) * | 2003-06-23 | 2005-01-20 | Toyota Motor Corp | Apparatus and method for start control of internal combustion engine |
| JP5313627B2 (en) * | 2008-10-28 | 2013-10-09 | アスモ株式会社 | Brush-fed hybrid excitation motor and driving method of brush-fed hybrid excitation motor |
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2017
- 2017-01-20 FR FR1750497A patent/FR3062252B1/en active Active
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2018
- 2018-01-19 JP JP2019539276A patent/JP7071378B2/en active Active
- 2018-01-19 CN CN201880006191.9A patent/CN110168881A/en active Pending
- 2018-01-19 WO PCT/FR2018/050144 patent/WO2018134543A1/en unknown
- 2018-01-19 EP EP18704280.9A patent/EP3571756A1/en not_active Withdrawn
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| US370000A (en) * | 1887-09-13 | Regulation of electric motors | ||
| GB190913142A (en) * | 1909-06-04 | 1910-03-31 | Adams Mfg Co Ltd | Improvements relating to Electric Rheostats, Motor-starters and the like. |
| US3204171A (en) * | 1962-01-26 | 1965-08-31 | Electrolux Ab | Direct current motor |
| DE19624595A1 (en) * | 1996-06-20 | 1998-01-02 | Bosch Gmbh Robert | DC motor for directly-driven IC engine starter |
| WO1998037614A1 (en) * | 1997-02-06 | 1998-08-27 | Vladimir Radev | Drive system for electric vehicles |
| EP2194631A1 (en) * | 2008-12-03 | 2010-06-09 | Valeo Equipements Electriques Moteur | Stator of a rotating electric machine, especially an alternator |
| CN103125063A (en) * | 2010-09-21 | 2013-05-29 | 瑞美技术有限责任公司 | Starter motor solenoid with variable reluctance plunger |
| CN103378688A (en) * | 2012-04-16 | 2013-10-30 | 西门子公司 | Drive device for motor vehicle |
| CN102843085A (en) * | 2012-09-27 | 2012-12-26 | 武汉华大电力自动技术有限责任公司 | Double-feed fan excitation control device and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3571756A1 (en) | 2019-11-27 |
| JP7071378B2 (en) | 2022-05-18 |
| FR3062252B1 (en) | 2019-11-22 |
| FR3062252A1 (en) | 2018-07-27 |
| JP2020506652A (en) | 2020-02-27 |
| WO2018134543A1 (en) | 2018-07-26 |
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