WO2004050415A1 - Vehicule automobile comportant des moyens pour faire varier la position extreme actionnee de la pedale d’acceleration - Google Patents
Vehicule automobile comportant des moyens pour faire varier la position extreme actionnee de la pedale d’acceleration Download PDFInfo
- Publication number
- WO2004050415A1 WO2004050415A1 PCT/FR2003/003050 FR0303050W WO2004050415A1 WO 2004050415 A1 WO2004050415 A1 WO 2004050415A1 FR 0303050 W FR0303050 W FR 0303050W WO 2004050415 A1 WO2004050415 A1 WO 2004050415A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pedal
- vehicle
- temperature
- reformer
- threshold
- Prior art date
Links
- 239000000446 fuel Substances 0.000 claims abstract description 31
- 230000001133 acceleration Effects 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- 239000003570 air Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/34—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by heating
-
- 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
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/10—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for automatic control superimposed on human control to limit the acceleration of the vehicle, e.g. to prevent excessive motor current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- Motor vehicle comprising means for varying the extreme actuated position of the accelerator pedal
- the invention relates to a motor vehicle comprising an electric propulsion motor capable of being supplied with electric energy by two separate energy sources.
- the invention relates more particularly to a motor vehicle comprising an electric propulsion motor capable of being supplied with electrical energy: - by a first source of electrical energy constituted by a fuel cell which is supplied with fuel by a reformer when the temperature of the reformer is greater than or equal to a threshold temperature; or
- a fuel cell consists mainly of two electrodes, an anode and a cathode, which are separated by an electrolyte. This type of battery allows the direct conversion into electrical energy of the energy produced by the following redox reactions: - an oxidation reaction of a fuel, or fuel, which feeds the anode continuously; and
- the fuel cells used to supply electrical energy on board motor vehicles are generally of the solid electrolyte type, in particular of polymer electrolyte. Such a cell uses in particular hydrogen (H) and oxygen (O 2 ) as fuel and oxidizer respectively.
- This type of battery makes it possible to obtain at the same time a generally satisfactory yield, reaction time and operating temperature for supplying electricity to an electric motor for the propulsion of a motor vehicle.
- the fuel cell offers in particular the advantage of only rejecting water which is produced by the reduction reaction at the cathode.
- the oxidizer of a battery of the type described above can be ambient air whose oxygen (O2) is reduced.
- the cathode generally comprises an inlet which allows the continuous supply of oxygen (0 2 ) or air, and an outlet which allows the evacuation of the excess air or oxygen (0 2 ) as well as the evacuation of the water produced during oxygen reduction (0 2 ).
- the anode generally has an inlet through which hydrogen (H 2 ) is introduced.
- Hydrogen (H 2 ) is extracted from petrol during a so-called reforming operation which requires a device called a reformer.
- the gasoline is injected into the reformer with water and air.
- the reforming product is a gas called reformate which is mainly composed of hydrogen (H 2 ), carbon monoxide (CO), carbon dioxide (C0 2 ), oxygen (0 2 ) and nitrogen ( N 2 ).
- the anode of the cell is then directly supplied with reformate by the reformer.
- the reformer needs to be heated and maintained at a temperature above a threshold temperature.
- the reformer includes a heating device. Below this threshold temperature, the reformer cannot supply hydrogen (H 2 ) to the fuel cell, and the latter cannot therefore produce electrical energy.
- the reformer threshold temperature is higher than the ambient temperature to which the vehicle is likely to be subjected.
- the heating device can last up to several minutes.
- the electric motor cannot be powered by the fuel cell and the driver must wait until the reformer starts to be able to use the motor vehicle.
- the vehicle generally includes an accelerator pedal movable between a rest position and a maximum position which corresponds to the maximum power likely to be supplied by the motor as a function of the releasable electric power. by the fuel cell.
- the pedal is also capable of occupying a threshold position which is situated between the rest position and the maximum actuated position, and which corresponds to the maximum power which can be supplied by the motor when it is supplied by the battery.
- Document US-6447939B1 describes a device in which when a "quick-down" is detected during the start of the reforming phase, the amount of electrical energy required to start the reformer is limited and the amount of electrical energy distributed to the motor is increased giving priority to the motor supply.
- the object of the present invention is to provide a motor vehicle comprising means for varying the extreme actuated position of the improved accelerator pedal.
- the present invention provides a vehicle of the type described above, characterized in that means are provided for varying the extreme actuated position of the pedal as a function of a parameter representative of the electric power available for powering the engine.
- said representative parameter is the temperature of the reformer
- said means automatically vary the actuated extreme position of the accelerator pedal between a threshold position corresponding to the electrical power releasable by the battery and a maximum position corresponding to the electrical power which is likely to be supplied by the fuel cell;
- - Said means are controlled by the intervention of the driver via a manual control device which is neutralized as long as the temperature of the reformer is below the threshold temperature;
- - Said means vary the extreme actuated position of the pedal when the accelerator pedal is located between the rest position and an intermediate position which is located between the rest position and the threshold position; - Said means automatically vary the extreme actuated position of the pedal after a time delay;
- the vehicle comprises means for increasing the resistance to movement of the accelerator pedal from the threshold position towards the maximum position which are actuated automatically and temporarily;
- the vehicle includes an alert device which issues an alert signal to the driver when the temperature of the reformer is above the threshold temperature;
- - Said means comprise a retractable stop which is movable between an active state in which the movements of the accelerator pedal are limited between the rest position and the threshold position, and an inactive state in which the pedal is capable of reaching the maximum position.
- FIG. 2 is a view of the accelerator pedal of the vehicle shown in Figure 1 equipped with a device for varying its extreme position actuated according to the teachings of the invention;
- FIG. 3 is a sectional view of the pedal and the device according to the section plane 3-3 of Figure 2;
- FIG. 4 is a diagram which illustrates the operation of the vehicle shown in Figure 1;
- - Figure 5 shows the pedal of Figure 2 which is here equipped with a variant of the device to vary its extreme actuated position;
- FIG. 6a is a sectional view along the cutting plane 6-6 of Figure 5 and which shows the device in an active state;
- - Figure 6b is a view similar to that of Figure 6a and which shows the device in semi-active state
- - Figure 6c is a view similar to that of Figure 6b and which shows the pedal actuated beyond a threshold position
- Figure 6d is a view similar to that of Figure 6a and which shows the device in the inactive state.
- FIG. 1 schematically shows a motor vehicle 10 comprising an electric propulsion motor 12.
- the vehicle 10 also includes an auxiliary battery 14 and a fuel cell 16 which are here capable of successively supplying the motor 12 with electrical energy.
- the electric power supply circuit of the motor 12, which is shown in thin solid lines, comprises a selection switch 18 which is intended to select the source of electric power supply for the motor 12.
- the selection switch 18 can occupy a main position 18a in which the fuel cell 16 supplies the engine 12 with electrical energy, or an auxiliary position 18b in which the battery 14 supplies the engine 12 with electrical energy.
- An inverter 20 is here arranged in the electrical supply circuit between the switch 18 and the motor 12.
- the fuel cell 16 has already been described in the preamble. It is supplied with oxidizer, here oxygen O 2 , and with fuel, here hydrogen H 2 , by a supply circuit which is shown in bold solid lines in FIG. 1. The stack is supplied with oxidant by an air compression device 21.
- the fuel cell 16 is supplied with fuel by a reformer 22 which extracts the hydrogen H 2 from a hydrocarbon such as gasoline.
- the hydrocarbon which feeds the reformer 22 is contained in a tank 24.
- the reformer 22 must be heated and maintained at a temperature above a threshold temperature Ts in order to function.
- the reformer 22 is equipped with a heating device (not shown).
- the threshold temperature Ts of the reformer 22 is higher than the ambient temperature to which the vehicle 10 is liable to be subjected.
- the threshold temperature Ts of the reformer 22 is higher than the ambient temperature to which the vehicle 10 is liable to be subjected.
- the reformer 22 therefore comprises a temperature sensor 26 which transmits, to an electronic control unit 28, a signal representative of the temperature Tm of the reformer 22.
- the lines for exchanging the signals received or transmitted by the electronic control unit 28 are shown in broken lines in Figure 1.
- the electronic control unit 28 compares the measured temperature Tm of the reformer 22 with the threshold temperature Ts:
- the electronic control unit 28 selects the auxiliary position 18b of the switch 18;
- the passenger compartment (not shown) of the vehicle 10 here comprises an accelerator pedal 30 which is mounted articulated between a rest position PO corresponding to zero power supplied by the motor 12 and a maximum position P2 corresponding to the maximum power supplied by the motor 12 when it is powered by the fuel cell 16.
- the pedal 30 thus allows the driver to control the power supplied by the engine 12, for example in proportion to the angular travel of the accelerator pedal 30.
- the pedal 30 is also susceptible occupy a threshold position P1 which is located between the rest position PO and the maximum position P2.
- the threshold position P1 corresponds to the power which the motor 12 can supply when it is supplied by the auxiliary battery 14. That is to say that when the motor 12 is supplied by the auxiliary battery 14, the power supplied by the motor 12 remaining constant beyond this threshold position P1.
- the operating principle of the pedal 30 is as follows.
- a position sensor 32 of the pedal 30 transmits a signal, representative of the angular position of the pedal 30, to the electronic control unit 28.
- the electronic control unit 28 then transmits a signal to the inverter 20 so that the latter "controls" at the selected electrical energy source 14 or 16 the electrical power necessary for the motor 12 to supply the required mechanical power.
- the vehicle 10 includes a device 34 for varying the extreme actuated position of the pedal 30 and in particular for limiting the movements of the pedal 30 between the rest position PO and the maximum position P2, or between the rest position PO and the threshold position P1.
- the pedal 30 mainly consists of a handle 36 which is generally vertical at the lower end of which is arranged a shoe 38 which is intended to receive a force applied by the driver's foot.
- the upper end of the crank 36 is rotatably mounted relative to the structure of the vehicle around a transverse axis A.
- the upper end of the crank comprises a head 40 in which is formed an oblong groove 42 substantially longitudinal.
- the front end 44 of the groove 42 is intended to cooperate with a retractable stop 46 secured to the structure of the vehicle 10 in order to limit the movements of the pedal 30 between the rest position PO and the threshold position P1.
- the retractable stop 46 is slidably mounted transversely in a housing 48 which is integral with the structure of the vehicle 10 and which is arranged near the head 40 of the pedal 30.
- the retractable stop 46 is controlled by an electromagnet 50 arranged inside the housing 48.
- the electronic control unit 28 controls the stop 46 by means of the electromagnet 50 in particular between:
- a first step E1 the driver starts the vehicle 10, then during a second step E2, the temperature sensor 26 supplies the electronic control unit 28 with the temperature Tm of the reformer 22.
- the control unit electronics 28 then compares the temperature Tm of the reformer 22 with the threshold temperature Ts.
- the electronic control unit 28 triggers a limitation step E3 during which it selects the auxiliary position 18b of the switch 18 so that the motor 12 is powered by the auxiliary battery 14.
- step E3 During step E3 and after selecting the switch
- the electronic control unit 28 triggers a step E4 of driver warning during which the driver is warned by means not shown, that a source of energy of greater capacity than the auxiliary battery 14, that is to say the fuel cell
- step E4 during a release step E5, the electronic control unit 28 controls the switch 18 in main position 18a so that the fuel cell 16 supplies the electric motor 12.
- the electronic control unit 28 selects the inactive state the retractable stop 46 so that the extreme actuated position of the pedal 30 corresponds to its maximum position P2. The movements of the pedal 30 are then free between its rest position PO and its maximum position P2.
- the electronic control unit 28 only selects the inactive state of the retractable stop 46 after a time delay, for example a few seconds after the indicator light has been on.
- the driver alerted by the indicator light thus has time to become aware that the extreme actuated position of the pedal 30 is going to be modified and he is thus less likely to press the accelerator pedal 30 unintentionally.
- the passage of the retractable stop 46 in the inactive state is controlled, not only as a function of the temperature Tm of the reformer 22, but also in depending on the position of the accelerator pedal 30.
- the retractable stop 46 does not go into the inactive state until:
- the temperature Tm of the reformer 22 is greater than or equal to the threshold temperature Ts;
- step E5 the electronic control unit 28 controls an intermediate device for manual release (not shown) of the retractable stop 46 which is located in the passenger compartment of the vehicle
- the conductor cannot act on the manual triggering device because the latter is inhibited or neutralized by the electronic control unit 28.
- the electronic control unit 28 activates the manual triggering device.
- the driver is alerted by the illumination of the indicator light, and he himself manually triggers the device which triggers the passage of the retractable stop 46 in the inactive state.
- the manual triggering device is for example a push button electrically connected to the control unit 28.
- the stop 46 is capable of temporarily occupying a semi-active state which is intended to be engaged during the release step E5, and in which the movements of the pedal 30 between its threshold position P1 and its maximum position P2 require the driver to apply to the shoe 38 a force greater than the force required when the stop 46 is inactive.
- This embodiment uses a variant 52 of the device 34 to vary the extreme actuated position of the pedal shown in Figures 2 and 3. This variant is shown in Figures 5, 6a, 6b, 6c and 6d.
- the retractable stop 46 here comprises a transverse lug 54 which is intended to cooperate with a stop bearing 55 secured to the housing when the stop 46 is in the active state so that the stop 46 is fixed relative to the housing 48 when the face d the front end 44 of the pedal is brought into contact with the stop 46.
- the housing 48 is perforated with a substantially longitudinal slot 56 intended to guide the stop 46 in longitudinal sliding when the latter is in a semi-active state in which the stop 46 is movable relative to the housing 48, and that the pedal 30 is moved between its threshold position P1 and its maximum position P2.
- the housing 48 also includes a compression spring 58 of generally longitudinal orientation relative to the orientation of FIG. 2 and on which the stop 46 is supported.
- the spring 58 is in particular intended to exert an additional force opposite to the force that the driver applies to the pedal 30 when the stop is in the semi-active position.
- the spring 58 makes it possible to resiliently recall the stop 46 towards the longitudinal position which it occupies in the active or inactive state.
- the housing 48 includes an electromagnet 50 which controls a transverse rod 60 which comprises a notch 62 which is intended to receive a longitudinal stud 64 carried by the stop 46 to allow the transverse movement of the stop 46.
- FIG. 6a shows the device 52 in the active state.
- the stop 46 is then engaged in the groove 42 and it is immobilized, in longitudinal translation relative to the housing 48, by the stop bearing 55 which blocks the lug 54.
- the movements of the pedal 30 are then limited between the rest position PO and the threshold position P1.
- FIGS. 6b and 6c show the device 52 in the semi-active state.
- the electromagnet 50 then acts on the rod 60 which performs a first transverse translation to the right according to the orientation of FIG. 6b.
- the rod 60 and the stop 46 being made integral by fitting the stud 64 into the notch 62.
- the stop 46 is therefore also moved transversely to the right so that the stop 46 is always engaged in the groove 42 and so that the lug 54 is no longer adjacent to stop bearing 55.
- the pedal 30 When the pedal 30 is returned to its threshold position P1, the stud 64 is again engaged in the notch 62 of the rod 60.
- the device 52 can then be deactivated, as shown in FIG. 6d.
- the electromagnet 50 acts on the rod 60 so that the latter performs a second transverse translation to the right.
- the rod 60 therefore drives the stop 46 in transverse translation to the right according to FIG. 6d so that the stop 46 is completely released out of the groove 42.
- the pedal 30 is then capable of being moved between its rest position PO and its maximum position P2.
- the electronic control unit 28 selects temporarily the semi-active state of the stop 46.
- the driver thus has the sensation of being able to actuate the pedal 30 beyond its threshold position P1, but he must exert a conscious effort to overcome the resistance of the spring 58.
- the electronic control unit 28 controls the passage of the stop 46 to the inactive state, the driver was thus able to become aware of the increase in power that the motor 12 can supply. It will be understood that simple mechanical inversions can constitute alternative embodiments of the invention.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/536,877 US7183729B2 (en) | 2002-11-27 | 2003-10-16 | Motor vehicle comprising means for varying accelerator pedal extreme actuated position |
JP2004556392A JP4343114B2 (ja) | 2002-11-27 | 2003-10-16 | 電気エネルギを供給されることが可能な推進用の電気モータを有する自動車 |
EP03778399A EP1565341A1 (fr) | 2002-11-27 | 2003-10-16 | VEHICULE AUTOMOBILE COMPORTANT DES MOYENS POUR FAIRE VARIER LA POSITION EXTREME ACTIONNEE DE LA PEDALE D’ACCELERATION |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR02/14848 | 2002-11-27 | ||
FR0214848A FR2847528B1 (fr) | 2002-11-27 | 2002-11-27 | Vehicule automobile comportant des moyens pour faire varier la position extreme actionnee de la pedale d'acceleration |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004050415A1 true WO2004050415A1 (fr) | 2004-06-17 |
Family
ID=32241646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/003050 WO2004050415A1 (fr) | 2002-11-27 | 2003-10-16 | Vehicule automobile comportant des moyens pour faire varier la position extreme actionnee de la pedale d’acceleration |
Country Status (6)
Country | Link |
---|---|
US (1) | US7183729B2 (fr) |
EP (1) | EP1565341A1 (fr) |
JP (1) | JP4343114B2 (fr) |
KR (1) | KR20050074645A (fr) |
FR (1) | FR2847528B1 (fr) |
WO (1) | WO2004050415A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200841502A (en) * | 2007-04-03 | 2008-10-16 | Syspotek Corp | Fuel cell power supply system integrated with rechargeable batteries |
JP7069796B2 (ja) * | 2018-02-15 | 2022-05-18 | 三菱自動車工業株式会社 | 電動車両のペダル制御装置 |
JP2019140868A (ja) * | 2018-02-15 | 2019-08-22 | 三菱自動車工業株式会社 | 電動車両のペダル制御装置 |
US11359571B2 (en) | 2019-12-05 | 2022-06-14 | Wen-Yi Wu | Device and method for inhibiting unintended vehicle acceleration |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2280186A (en) * | 1939-06-19 | 1942-04-21 | Kelch Heater Company | Signal |
US5797467A (en) * | 1994-05-17 | 1998-08-25 | Watanabe; Masaei | Device for preventing an accelerator of a vehicle from being erroneously operated |
US6447939B1 (en) * | 1999-05-06 | 2002-09-10 | Nissan Motor Co., Ltd. | Electrical power distribution system for a fuel cell vehicle |
WO2002070298A1 (fr) * | 2001-03-06 | 2002-09-12 | Nissan Motor Co.,Ltd. | Systeme de commande d'un vehicule hybride et son procede de commande |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3608017B2 (ja) * | 1996-07-22 | 2005-01-05 | トヨタ自動車株式会社 | 電源システム |
JP4049833B2 (ja) * | 1996-07-26 | 2008-02-20 | トヨタ自動車株式会社 | 電源装置および電気自動車 |
JP4372235B2 (ja) * | 1996-08-29 | 2009-11-25 | トヨタ自動車株式会社 | 燃料電池システムおよび電気自動車 |
EP1055545B1 (fr) * | 1999-05-26 | 2004-01-28 | Toyota Jidosha Kabushiki Kaisha | Véhicule hybride avec piles à combustible intégrées et sa méthode de contrôle |
JP3721947B2 (ja) * | 2000-05-30 | 2005-11-30 | 日産自動車株式会社 | 燃料電池システムの制御装置 |
JP2003189409A (ja) * | 2001-12-21 | 2003-07-04 | Toyota Motor Corp | 電動機搭載車両 |
JP3979181B2 (ja) * | 2002-05-22 | 2007-09-19 | 株式会社デンソー | 車両用電気機器制御装置 |
-
2002
- 2002-11-27 FR FR0214848A patent/FR2847528B1/fr not_active Expired - Fee Related
-
2003
- 2003-10-16 JP JP2004556392A patent/JP4343114B2/ja not_active Expired - Fee Related
- 2003-10-16 US US10/536,877 patent/US7183729B2/en not_active Expired - Fee Related
- 2003-10-16 EP EP03778399A patent/EP1565341A1/fr not_active Withdrawn
- 2003-10-16 WO PCT/FR2003/003050 patent/WO2004050415A1/fr active Application Filing
- 2003-10-16 KR KR1020057009645A patent/KR20050074645A/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US2280186A (en) * | 1939-06-19 | 1942-04-21 | Kelch Heater Company | Signal |
US5797467A (en) * | 1994-05-17 | 1998-08-25 | Watanabe; Masaei | Device for preventing an accelerator of a vehicle from being erroneously operated |
US6447939B1 (en) * | 1999-05-06 | 2002-09-10 | Nissan Motor Co., Ltd. | Electrical power distribution system for a fuel cell vehicle |
WO2002070298A1 (fr) * | 2001-03-06 | 2002-09-12 | Nissan Motor Co.,Ltd. | Systeme de commande d'un vehicule hybride et son procede de commande |
Also Published As
Publication number | Publication date |
---|---|
US7183729B2 (en) | 2007-02-27 |
FR2847528A1 (fr) | 2004-05-28 |
JP4343114B2 (ja) | 2009-10-14 |
US20060138978A1 (en) | 2006-06-29 |
KR20050074645A (ko) | 2005-07-18 |
JP2006509484A (ja) | 2006-03-16 |
EP1565341A1 (fr) | 2005-08-24 |
FR2847528B1 (fr) | 2005-01-28 |
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