WO2012013224A1 - Insassenschutzsystem - Google Patents
Insassenschutzsystem Download PDFInfo
- Publication number
- WO2012013224A1 WO2012013224A1 PCT/EP2010/060932 EP2010060932W WO2012013224A1 WO 2012013224 A1 WO2012013224 A1 WO 2012013224A1 EP 2010060932 W EP2010060932 W EP 2010060932W WO 2012013224 A1 WO2012013224 A1 WO 2012013224A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control unit
- protection system
- occupant protection
- seat
- adjustment
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 2
- 238000004146 energy storage Methods 0.000 description 23
- 238000011161 development Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0276—Non-manual adjustments, e.g. with electrical operation with logic circuits reaction to emergency situations, e.g. crash
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
- B60N2/42772—Seats or parts thereof displaced during a crash characterised by the triggering system
- B60N2/4279—Seats or parts thereof displaced during a crash characterised by the triggering system electric or electronic triggering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
Definitions
- the invention relates to a method for controlling an adjusting device of a seat in a motor vehicle according to the preamble of patent claim 1 and to an occupant protection system for a motor vehicle according to the preamble of patent claim 21.
- Object of the present invention is to provide an improved method for driving an adjusting device of a seat in a motor vehicle. This object is achieved by a method having the features of claim 1. It is another object of the present invention to provide an improved occupant protection system for a motor vehicle. This object is achieved by an occupant protection system having the features of claim 21. Preferred developments are specified in the dependent claims.
- An inventive method for driving an adjusting device of a seat in a motor vehicle has steps for detecting a dangerous situation by a safety control device, and for driving the Verstelleinrich- tion by the safety controller.
- this method makes use of the fact that the safety control unit already has to be designed in any case to recognize an imminent dangerous situation.
- the safety control device is preferably provided for controlling an airbag or for controlling a vehicle dynamics control or for controlling an automatic braking intervention.
- an existing safety control device can thereby be used.
- the adjustment moves the seat in the presence of a dangerous situation in a target position.
- this target position can be chosen so that there is the least possible risk of injury to an occupant of the seat.
- the adjusting means changes a seat longitudinal adjustment or a seat height adjustment or a seat tilt adjustment or a backrest tilt adjustment.
- the safety control unit controls a comfort ASA control unit, which in turn controls the adjustment device by means of an output stage.
- this method allows a simple combination with other comfort functions.
- the comfort ASA control unit obtains a power necessary for driving the adjustment from a separate energy storage.
- this allows a high flexibility in the choice of the energy storage used.
- the comfort ASA control unit provides a necessary for driving the adjustment energy.
- the safety control device controls a comfort control device and an ASA control device, wherein the ASA control device has an energy required to drive the adjustment device. provides energy.
- This variant has the advantage that the method can be used in combination with a conventional comfort control unit.
- the comfort control unit controls an output stage booster provided in the ASA control unit, wherein the output stage
- Booster controls the adjusting device.
- the power stage booster then drive the adjusting device with a higher effective voltage.
- the comfort control unit controls an output stage provided in the ASA control unit, wherein the output stage controls the adjusting device.
- an output stage present in the comfort control unit can be deactivated.
- a plurality of adjusting devices are actuated simultaneously.
- a favorable adjustment of the seat can then be achieved particularly quickly in the presence of a dangerous situation.
- the adjusting device changes in the presence of a dangerous situation, a position of at least one retaining element of the seat.
- the seat can then be reshaped in the presence of a dangerous situation so that an occupant of the seat, an improved grip is offered.
- the safety control unit determines a target position of the retaining element in the presence of a dangerous situation, wherein the safety control unit controls a mechatronics arranged on the retaining element and the mechatronics changes the position of the retaining element.
- the safety control unit determines target positions of a plurality of retaining elements in the presence of a dangerous situation, wherein the safety control unit controls a plurality of mechatronics arranged on the retaining elements and each of the mechatronics changes the position of a retaining element.
- this method scales particularly favorably.
- the one or more mechatronics relate the energy necessary for changing the position of the holding elements from a separate energy store.
- several mechatronics can use a common energy storage.
- the safety controller controls the one or more mechatronics via a LIN or a CAN connection.
- a bus system already present in the motor vehicle can thereby be used.
- the safety control unit activates an ESA control unit, wherein the ESA control unit determines a target position of the holding element and controls the adjusting device.
- the ESA control unit determines target positions of a plurality of holding elements, wherein the ESA control device controls a plurality of adjusting devices for changing the positions of the plurality of holding elements at the same time.
- a secure adjustment of the seat can then be achieved in a particularly short time.
- the ESA control unit obtains a power required for driving the one or more adjusting devices from a separate energy store.
- a plurality of adjusting devices can then use a common energy store.
- the ESA control unit obtains a power necessary for driving the one or more adjusting devices from an energy store integrated into the ESA control unit.
- this allows a particularly cost-effective design of the ESA control unit.
- the occupant protection system also includes an adjustment device for changing a setting of a seat of the motor vehicle zeugs.
- the safety control device is designed to control the adjusting device in the presence of a dangerous situation.
- this occupant protection system offers the occupants of the motor vehicle increased safety in the event of danger.
- the safety control unit is designed to trigger an airbag in the presence of a dangerous situation or to control a vehicle dynamics control or an automatic braking intervention.
- the security control unit is then already configured to detect an imminent hazardous situation.
- the safety control device is arranged on a transmission tunnel of the motor vehicle.
- the adjusting device is arranged in the seat of the motor vehicle and comprises an electric motor and a Hall sensor, wherein the Hall sensor is adapted to detect a current setting of the seat.
- the adjustment device is provided for varying a seat-length adjustment, a seat-height adjustment, a seat-tilt adjustment, or a back-pitch adjustment.
- the occupant protection system can then bring the seat in case of danger in a position in which the occupant of the seat is exposed to a very low risk of injury.
- the adjusting device is provided for changing a position of at least one retaining element of the seat.
- the occupant protection system can then reshape the seat in case of danger so that an improved stability is offered to an occupant of the seat.
- the occupant protection system comprises a comfort control unit which is connected to a user interface, via which the comfort control unit can receive an adjustment request for adjusting the adjustment device, wherein the occupant protection system is designed, in the presence of a dangerous situation, by the security - Control unit triggered prioritizing activation of the adjusting device with respect to an adjustment request received by the user interface for adjusting the adjusting device.
- a comfort control unit which is connected to a user interface, via which the comfort control unit can receive an adjustment request for adjusting the adjustment device, wherein the occupant protection system is designed, in the presence of a dangerous situation, by the security - Control unit triggered prioritizing activation of the adjusting device with respect to an adjustment request received by the user interface for adjusting the adjusting device.
- the occupant protection system is designed to control the adjusting device such that the setting of the seat of the motor vehicle is changed at a higher speed in the presence of a dangerous situation than in the case of an adjustment request received via the user interface.
- the occupant protection system is designed to actuate the adjusting device in the presence of a dangerous situation with a higher effective electrical voltage than in the case of an adjustment request received via the user interface. This has the advantage that a common adjusting device can be used both for slow and for quick adjustment of the seat.
- the occupant protection system is designed to remove the energy required for driving the adjusting device an energy storage.
- this energy storage can provide a higher electrical voltage than an electrical system of the motor vehicle.
- the energy store has a double-layer capacitor.
- double-layer capacitors provide sufficient electrical capacity and can be charged and discharged very quickly.
- the energy store has an accumulator.
- accumulators have a particularly high storage capacity. It is preferred that the energy store has a charging circuit.
- this charging circuit can then be used to charge a capacitor or accumulator provided in the energy store.
- FIGS. 1 to 15 show different embodiments of an occupant protection system.
- the first occupant protection system 1000 can be used in a motor vehicle and serves to influence one or more seats of the motor vehicle in the event of danger such that one or more occupants of the motor vehicle are exposed to the least possible risk of injury are.
- the dangerous situation may be, for example, an imminent collision with an obstacle or another motor vehicle or an imminent loss of control over the motor vehicle.
- the first occupant protection system 1000 comprises a first safety control unit 400.
- the first safety control unit 400 can be provided, for example, to trigger one or more airbags of the motor vehicle in the event of danger.
- the first safety control device 400 may also be provided for controlling a vehicle dynamics control or for controlling an automatic braking intervention.
- the first security control device 400 may include an occupant classification device 410.
- the occupant classification apparatus 410 is configured to recognize whether a seat of the motor vehicle is occupied by a person.
- the device 410 can detect whether it is a large or a small person, or whether a child seat is mounted on the seat of the motor vehicle.
- the device for occupant classification 410 may comprise, for example, weight sensors or even cameras.
- the first safety controller 400 may also have other sensors that serve to detect an imminent hazardous situation. These sensors may include, for example, inertial sensors and environmental sensors.
- the inertial sensors can serve to detect an orientation, an acceleration and / or a rotation rate of the motor vehicle.
- the Environmental sensors can be used to detect obstacles and other motor vehicles in the vicinity of the motor vehicle.
- the first safety control device 400 can be mounted, for example, on a cardan tunnel of the motor vehicle.
- the first safety control unit 400 may also include a first trigger 420, which serves to trigger further safety mechanisms in the event that the first safety control unit 400 recognizes an imminent danger situation.
- These safety mechanisms may include, for example, the control of an adjustment device of a seat of the motor vehicle explained below.
- the first occupant protection system 1000 further comprises a first comfort control unit 200.
- the first comfort control unit 200 may be mounted, for example, in a seat of the motor vehicle.
- the first comfort controller has a first logic 210 that includes hardware and software components.
- the hardware components of the first logic 210 may be formed, for example, by a microcontroller and a volatile or nonvolatile data storage device.
- the first comfort controller 200 may also include a first
- Comfort functionality 220 a thermal protection 230, a position detector 240, a first output stage 250, and an ASA functionality 260.
- These components which can be implemented either by hardware or by software or by a combination of hardware and software, will be discussed below.
- the first occupant protection system 1000 also includes a user interface 225.
- the user interface 225 serves to enable an occupant of the motor vehicle to operate functions provided by the first comfort control device 200.
- the user interface 225 may for this purpose include one or more controls, such as switches and one or more display elements, such as screens.
- the user interface 225 is connected to the first comfort control unit 200 via a second control connection 520.
- the first occupant protection system 1000 also includes an adjustment device 300.
- the adjustment device 300 serves to adjust one or more settings of a seat of the motor vehicle.
- the adjusting device 300 comprises a seat longitudinal adjustment device 310, a seat height adjustment device 320, a seat adjuster 320, a seat adjuster 320.
- the seat longitudinal adjustment 310 is used to adjust the seat in a longitudinal direction, ie in or against the direction of travel.
- the seat height adjustment 320 serves to adjust the seat in height.
- the seat reclining device 330 serves to adjust an inclination of a seat surface of the seat.
- the backrest recliner 340 serves to adjust an inclination of a backrest of the seat.
- Each of the adjusting devices 310, 320, 330, 340 comprises a first electric motor 301 and a first Hall sensor 302.
- the first electric motor 301 serves in each case to adjust the corresponding degree of freedom of the seat.
- the first Hall sensor 302 is used in each case to determine a current setting of the corresponding degree of freedom of the seat.
- the adjusting devices 310, 320, 330, 340 are preferably accommodated in a seat of the motor vehicle. It may also be provided separate adjustment means 300 for the driver's seat and the passenger seat of the motor vehicle.
- the first comfort control unit 200 is connected to the adjusting devices 300 via a second supply connection 550 and via a first signal connection 560. Via the first signal connection 560, the first comfort control device 200 can read out the first Hall sensors 302 of the adjustment devices 300 and evaluate the signal delivered by the first Hall sensors 302 in order to determine a current adjustment of the seat. Via the second supply connection 550, the first comfort control device 200 can supply the first electric motors 301 of the adjusting devices 300 with an electrical power.
- the first comfort functionality 220 of the first comfort control device 200 may provide that an occupant of the motor vehicle via the user interface 225 changes one or more settings of the seat of the motor vehicle.
- the first comfort control unit 200 then acts by means of the first output stage 250 on one or more of the first electric motors 301 of the adjusting devices. gene 300, in order to achieve the vehicle occupant desired adjustment of the seat.
- the thermal protection 230 can serve to ensure that the first electric motors 301 do not overheat.
- the position detection 340 may serve to read out the first Hall sensors 302 of the adjusting devices 300.
- the occupant classification device 410 of the first safety control device 400 connected to the first comfort control device 200 via a first control connection 510 recognizes which of a plurality of frequent users of the motor vehicle is currently seated in a seat of the motor vehicle. The first comfort control unit 200 can then automatically bring the seat into a position favorable for this person.
- the first occupant protection system 1000 also includes a first energy store 100.
- the first energy store 100 is embodied as a separate component, that is, integrated into neither the first safety controller 400, the first comfort controller 200, nor the adjustment devices 300.
- the first energy storage device 100 is connected to the first comfort control device 200 via a third control connection 530 and a first supply connection 540.
- the first comfort control unit 200 can control the first energy store 100 and, for example, read out an amount of energy present in the first energy store 100.
- the first energy store 100 can supply the first output stage 250 of the first comfort control device 200 with an electrical energy necessary for driving the adjusting devices 300.
- the first energy store 100 may comprise, for example, a capacitor or an accumulator.
- the capacitor is particularly preferably a double-layer capacitor with a high electrical capacitance.
- a battery for example, a lithium-ion battery or a conventional car battery can be used.
- the first energy store 100 may also include a charging circuit which serves to charge the capacitor or accumulator present in the first energy store 100.
- the charging process can be initiated, for example, via the third control connection 530 by the first comfort control unit 200.
- the first trigger 420 of the first security control unit 400 the first comfort control unit 200 to move the seat of the motor vehicle in a safe position.
- the ASA functionality 260 integrated in the first comfort control unit 200 then determines how the seat of the motor vehicle has to be moved for this purpose.
- the ASA functionality 260 of the first comfort control unit 200 also included first comfort functionality 220 can use.
- the first safety control unit 400 could determine the target position of the seat of the motor vehicle.
- the first comfort control unit 200 then generates by means of the first output stage 250 a suitable drive signal, for example a pulse width modulated voltage signal, which is supplied via the second supply connection 550 to the first electric motors 301 of the adjusting devices 300, which adjust the seat accordingly.
- ASA accelerated seat adjustment
- the energy required for this purpose is obtained by the first comfort control unit 200 from the first energy store 100.
- FIG. 2 shows a schematic representation of a second occupant protection system 2000.
- the structure of the second occupant protection system 2000 corresponds to that of the first occupant protection system 1000 of Figure 1, but instead of the first comfort control device 200, a second comfort control device 2200 is provided.
- the second comfort control unit 2200 corresponds in its construction and its functionality to the first comfort control unit 200, but has an integrated second energy storage 2100.
- the first occupant protection system 100 which is present in FIG. 1, is omitted in the case of the second occupant protection system 2000.
- the energy required to drive the electric motors 301 of the adjusting devices 300 is provided by the second energy store 2100 integrated in the second comfort control unit 2200.
- the structure of the second energy storage device 2100 corresponds to that of the first energy storage device 100 of FIG. 1.
- An advantage of the second occupant protection system 2000 is the lower wiring complexity.
- FIG. 3 shows a schematic representation of a third occupant protection system 3000.
- the third occupant protection system 3000 has a first safety control unit 400, a user interface 225, and adjustment devices 300.
- the 3000 is in contrast to the first occupant protection system
- the first comfort control device 200 is replaced by a third comfort control device 200. Controller 3200 replaced.
- the third occupant protection system 3000 has a first ASA control unit 600.
- the third comfort controller 3200 includes a first logic 210, a first comfort functionality 220, a thermal protector 230, a position detector 240, and a first output stage 250.
- the first ASA control unit 600 includes a first microcontroller 610.
- the first ASA control unit 600 has the ASA functionality 260, which was integrated into the first comfort control unit 200 in the first occupant protection system 1000 of FIG.
- the ASA functionality 260 may be implemented in software and run on the first microcontroller 610.
- the first ASA controller 600 further includes an output stage booster 620.
- Power Amp Booster 620 may also be referred to as a power driver.
- the first ASA control unit 600 has a third energy store 3100.
- the third energy storage device 3100 is integrated in the first ASA control device 600 and corresponds in its equipment to the first energy storage device 100 of FIG. 1.
- the first ASA control device 600 can be installed, for example, in a seat of the
- the first safety control unit 400 of the third occupant protection system 3000 is connected to the first ASA control unit 300 via a fourth control connection 570.
- the first output stage 250 of the third comfort control unit 3200 is connected via a fifth control connection 580 to the output stage booster 620 of the first ASA control unit 600.
- the final stage booster 620 is also connected to the adjusting devices 300 via a third supply connection 590.
- the first trigger 420 of the first safety control unit 400 instructs the third comfort control unit 3200 and the first ASA control unit 600 to move the seat of the motor vehicle to a safe position.
- the ASA functionality 260 integrated into the first ASA control unit 600 determines how the seat of the motor vehicle has to be moved for this purpose.
- the first ASA controller 600 may use the first comfort functionality 220 included in the third convenience controller 3200.
- the first safety control unit 400 could determine the target position of the seat of the motor vehicle.
- the third comfort control unit 3200 then generates, by means of the first output stage 250, a suitable drive signal, for example a pulse-width-modulated voltage signal which is amplified via the fifth control connection 580 to the output stage booster 620 of the first ASA control unit 600 and through the output stage booster 620 ,
- a suitable drive signal for example a pulse-width-modulated voltage signal which is amplified via the fifth control connection 580 to the output stage booster 620 of the first ASA control unit 600 and through the output stage booster 620 ,
- the power required for this purpose derives the output stage booster 620 from the third energy store 3100 integrated in the first ASA control unit 600.
- the amplified signal is output by the output stage booster 620 via the third supply connection 590 to the adjusting devices 300.
- the third comfort control unit 3200 and the first ASA control unit 600 may have one or more output stages 240 and output stage boosters 620. If several output stages 250 and / or output stage boosters 620 are present, then several of the adjusting devices 310, 320, 330, 340 can be activated simultaneously.
- FIG. 4 shows a schematic illustration of a fourth occupant protection system 4000.
- the fourth occupant protection system 4000 largely corresponds to the third occupant protection system 3000 of FIG. 3.
- the first ASA control unit 600 has been replaced by a second ASA control unit 4600 compared to the third occupant protection system 3000.
- the second ASA controller 4600 differs from the first ASA controller 600 in that the location of the power amp booster 620 is a third power amp 4620.
- the first output stage 250 contained in the third comfort control unit 3200 is switched off in the presence of a dangerous situation. Instead, only the third output stage 4620 of the second ASA control unit 4600 is used to supply the adjusting devices 300, the latter in turn drawing its energy from the third energy store 3100.
- FIG. 5 shows a schematic representation of a fifth occupant protection system 5000.
- the fifth occupant protection system 5000 comprises a second safety control unit 5400, which may be arranged, for example, on a transmission tunnel of the motor vehicle.
- the second security controller 5400 includes an occupant classification device 410 and a first trigger 420, as they have already been explained with reference to the first safety controller 400 of Figure 1.
- the second security controller 5400 has a first ESA functionality 5430 and a second logic 5440.
- the second logic 5440 may include hardware and software components.
- the hardware components may, for example, comprise a microcontroller on which the software components run.
- the first ESA functionality 5430 may also be implemented in software and run on the hardware of the second logic 5440.
- the fifth occupant protection system 5000 further comprises a first mechatronics 710, a second mechatronics 720, and a third mechatronics 730.
- Each of the mechatronics 710, 720, 730 may be arranged, for example, in a seat of the motor vehicle.
- Each of the mechatronics 710, 720, 730 includes a second electric motor 701, a second Hall sensor 702, a second microcontroller 703, a second position detector 704 and a second output stage 705.
- Each of the mechatronics 710, 720, 730 is intended to be an adjustable element of a Seat of the motor vehicle to be adjusted so that a person in the seat an improved grip is offered.
- Enveloping Side Adjustment The second electric motor 701 of each mechatronics 710, 720, 730 serves to adjust an adjustable element of the seat.
- Each second Hall sensor 702 is used together with the second position detection 704 to determine a mutual position of the adjustable element of the seat.
- the second Hall sensor 702 and the second position detection 704 can also be omitted in a simplified embodiment.
- Each second output stage 705 serves to apply voltage to the second electric motor 701.
- the fifth occupant protection system 5000 also includes a first energy store 100, which corresponds to the first energy store 100 of the first occupant protection system 1000 of FIG.
- the first energy store 100 of the fifth occupant protection system 5000 is connected via a fourth supply connection 5520 to the first mechatronics 710, via a fifth supply connection 5521 to the second mechatronics 720 and via a sixth supply connection 5522 to the third mechatronics 730.
- the first energy store 100 sets the second end stages 705 of the mechatronics 710, 720, 730 for driving the second one
- Electric motors 701 needed energy available.
- the first trigger 420 of the second safety control unit 5400 instructs the first ESA functionality 5430 to adjust a seat of the motor vehicle to an occupant of the vehicle Seat an improved grip is required.
- the first ESA functionality 5430 can calculate, for example, preferred seat settings.
- the second safety control unit 5400 via a sixth control connection 5510, the first mechatronics 710, via a seventh control connection 551 1, the second mechatronics 720 and an eighth control connection 5512, the third mechatronics 730 to adjust the seat accordingly.
- the second safety control unit 5400 is also connected to the first energy store 100 in order for example to cause a charging of the first energy store 100.
- mechatronics 710, 720, 730 shown in FIG. 5 additional mechatronics may also be present. However, fewer than three mechatronics may be located in the seat. It is also possible that in each case separate mechatronics for adjusting this seat are provided in several seats of the motor vehicle.
- FIG. 6 shows a schematic representation of a sixth occupant protection system 6000.
- the sixth occupant protection system 6000 has the first safety control unit 400, which has already been explained with reference to FIG.
- the sixth occupant protection system 6000 has a first energy store 100, as has also already been explained with reference to FIG.
- the sixth occupant protection system 6000 includes a first ESA controller 6600, which in turn comprises a third logic 6650 and a second ESA functionality 6640 running, for example, on the third logic 6650.
- the sixth occupant protection system 6000 includes a first adjusting device 6710, a second adjusting device 6720 and a third adjusting device 6730.
- Each of the adjusting devices 6710, 6720, 6730 has a third electric motor 671 1 and a third Hall sensor 6712.
- the adjusting devices 6710, 6720, 6730 serve as the mechatronics 710, 720, 730 of the gur 5 to adjust a seat of the motor vehicle so that an occupant is offered an improved grip.
- the third electric motor 671 1 serves each of the adjusting devices 6710, 6720, 6730 for adjusting the adjustable seat element, while each third Hall sensor 6712 serves to determine an actual adjustment of the seat.
- the first ESA control unit 6600 further comprises a third position detection 6610, a fourth output stage 6615, a fourth position detection 6620, a fifth output stage 6625, a fifth position detection 6630 and a sixth output stage 6635.
- the third position detection 6610 is via a second signal connection 6510 is connected to the first adjusting device 6710 and serves to read the third Hall sensor 6712 of the first adjusting device 6710 and to evaluate the signal supplied by the third Hall sensor 6712.
- the fourth position detection 6620 is via a third signal connection 6520 with the second adjusting device 6720 and the fifth position detection
- the fourth output stage 6615 is connected via a seventh supply connection 6615 to the first adjusting device 6710 and serves to supply the third electric motor 671 1 of the first adjusting device 6710 with electrical energy. Accordingly, the fifth power amplifier 6625 is over an eighth
- Supply connection 6525 connected to the second adjusting device 6720 and the sixth output stage 6635 via a ninth supply connection 6535 with the third adjusting device 6730.
- the energy required to drive the adjusting devices 6710, 6720, 6730 is obtained from the first ESA control unit 6600 via a tenth supply connection 6560
- the first ESA control unit 6600 is also connected via an eleventh control connection 6550 with the first energy storage 100 to cause the first energy storage, for example, to recharge.
- the first security control unit 400 of the sixth occupant protection system 6000 In the event that the first security control unit 400 of the sixth occupant protection system 6000 detects an imminent danger situation, it instructs the first ESA control unit 6600 via a tenth control connection 6540 to adjust one or more seats of the motor vehicle such that one or more occupants of the vehicle Motor vehicle is offered an improved grip.
- the second ESA functionality 6640 calculates the necessary adjustments of the vehicle seat and causes the adjusting devices 6710, 6720, 6730 to the corresponding adjustments. Of course, more or fewer than three adjusting devices 6710, 6720, 6730 may be provided.
- FIG. 7 shows a schematic representation of a seventh occupant protection system 7000.
- the structure of the seventh occupant protection system 7000 largely corresponds to that of the sixth occupant protection system 6000 of FIG. 6.
- the first ESA control unit 6600 has been replaced by a second ESA control unit 7600.
- the second ESA control unit 7600 has an integrated fourth energy storage 7100.
- the configuration of the fourth energy store 7100 corresponds to that of the first energy store 100.
- the first energy store 100 is omitted in the seventh occupant protection system 7000.
- FIG. 8 shows a schematic representation of an eighth occupant protection system 8000.
- the structure and mode of operation of the eighth occupant protection system 8000 correspond to a combination of the first occupant protection system 1000 of FIG. 1 and of the seventh occupant protection system 7000 of FIG. 7.
- both an adjustment device 300 are provided which has a seat of the motor vehicle can be brought into a position in which an occupant of the seat is exposed to a particularly low risk of injury, as well as the adjustment means 6710, 6720, 6730, which can reshape the seat of the motor vehicle so that the occupant of the seat, an improved grip is offered ,
- FIG. 9 shows a schematic representation of a ninth occupant protection system 9000.
- the ninth occupant protection system 9000 corresponds in structure and mode of operation to a combination of the second occupant protection system 2000 of FIG. 2 and of the seventh occupant protection system 7000 of FIG.
- FIG. 10 shows a schematic view of a tenth occupant protection system 10000 that corresponds in structure and function to a combination of the third occupant protection system 3000 of FIG. 3 and of the seventh occupant protection system 7000 of FIG.
- Figure 1 1 shows a schematic representation of an eleventh occupant protection system 1 1000.
- the structure of the eleventh occupant protection system 1 1000 is similar to that of the tenth occupant protection system 10000 of Figure 10.
- the first ASA controller 600 and the second ESA controller 7600 have become an ASA-ESA controller.
- Control unit 1 1600 summarized.
- the third energy store 3100 contained in the first ASA control unit 600 and the fourth energy store 7100 contained in the second ESA control unit 7600 have been combined to form a fifth energy store 1100 which is configured as a separate component in the eleventh occupant protection system 1 1000.
- the first safety control unit 400 is connected to the eleventh occupant protection system 1 1000 via a twelfth control connection 1 1510 with the fifth energy store 1100 in order to cause the fifth energy store 1100, for example, to recharge.
- the fifth energy store 1 1 100 is connected via a thirteenth control connection 1 1520 and via an eleventh supply connection 1 1530 to the ASA-ESA control unit 1 1600.
- the output stage booster 620 obtains the energy required to drive the adjusting devices 300.
- the output stages 6615, 6625, 6635 also receive the energy required to drive the adjusting devices 6710, 6720, 6730 via the eleventh supply connection 1 1530 from the fifth energy store 1100.
- Advantage of the eleventh occupant protection system 1 1000 is therefore that a common energy store is used for all Wegverstell Steinen.
- FIG. 12 shows a schematic representation of a twelfth occupant protection system 12000.
- the twelfth occupant protection system 12000 largely corresponds to the eleventh occupant protection system 1 1000 of FIG. However, in comparison to the eleventh occupant protection system 1 1000, the ASA-ESA control unit 1 1600 has been replaced by a second ASA-ESA control unit 12600.
- the second ASA-ESA control unit 12600 differs from the ASA-ESA control unit 1 1600 of FIG. 1 1 in that it has an integrated sixth energy store 12100. For the 12th I 12000 occupant protection system, the fifth energy Memory 1 1 100 omitted.
- FIG. 13 shows a schematic representation of a thirteenth occupant protection system 13000.
- the thirteenth occupant protection system 13000 differs from the eleventh occupant protection system 1 1000 of FIG. 11 in that the third comfort control device 3200 and the ASA ESA control device 1 1600 become a first comfort ESA ASA control unit 13600 were summarized.
- the fifth energy storage 1 1 100 by a seventh energy storage
- the seventh energy store 13100 replaces, whose equipment and operation, however, corresponds to the previously explained energy storage.
- the seventh energy store 13100 is connected via a fifteenth control connection 13510 and a twelfth supply connection 13520 to the first comfort ESA-ASA control unit.
- Figure 14 shows a schematic view of a fourteenth occupant protection system 14000.
- the fourteenth occupant protection system 14000 differs from the thirteenth occupant protection system 13000 of Figure 13 in that the first comfort ESA ASA controller 13600 has been replaced by a second comfort EAS ASA controller 14600 , in which an eighth energy storage 14100 is integrated.
- an eighth energy storage 14100 is integrated.
- For the fourteenth occupant protection system 14000 eliminates the seventh energy storage 13100.
- Figure 15 shows a schematic representation of a fifteenth occupant protection system 15000.
- the fifteenth occupant protection system 15000 comprises a third one
- the Security control unit 15400 which may be arranged for example on a transmission tunnel of a motor vehicle.
- the third safety controller includes a vehicle dynamics module 15410 connected to one or more inertial sensors 15600. Additionally, the third security controller 15400 includes a situation interpretation device 15420 coupled to one or more environmental sensors 15610.
- the vehicle dynamics module 15401 and the device for situation interpretation 15420 may be formed, for example, in software.
- the vehicle dynamics module 15410 determines in which state the motor vehicle is located and determines whether, for example, an uncontrollable situation, such as a spin, is imminent.
- the Situation Interpretation Facility 15420 determines if there are any obstacles or obstacles other motor vehicles are in the vicinity of the motor vehicle and whether a collision threatens.
- a second trigger 15430 provided in the third safety control device 15400 causes an adjustment of a seat, by means of which the seat is brought into a position in which an occupant of the seat threatens a lower risk of injury, and / or by which the seat is reshaped so that a person in this seat finds improved support.
- the fifteenth occupant protection system 15000 has an adjusting device 300, as has already been explained with reference to FIG.
- the fifteenth occupant protection system 15000 has an ESA adjustment device 15700, whose construction and mode of operation correspond to the mechatronics 710, 720, 730 of FIG. 5 or the adjustment devices 6710, 6720, 6730 of FIG.
- the adjusting devices 300 and the ESA adjusting device 15700 are actuated by a seat control unit 15200 arranged in the seat, which is connected via a seventeenth control connection 15560 to the second trigger 15430 of the third safety control device 15400.
- the seat control unit 15200 arranged in the seat, which is connected via a seventeenth control connection 15560 to the second trigger 15430 of the third safety control device 15400.
- the seat control unit 15200 is connected to the adjusting devices 300 via a thirteenth supply connection 15510 and via a fifth signal connection 15515. Via the thirteenth supply connection 15510, the seat control unit 15200 supplies the adjustment devices 300 with electrical energy, which the seat control unit 15200 transmits via a fifteenth supply connection 15530 from a
- Power supply 15100 refers.
- the power supply 15100 also supplies the ESA adjusting devices 15700 via a sixteenth supply connection 15540.
- the power supply 15100 can be constructed as an energy store such as the first energy store.
- the power supply 15100 may also have a voltage converter, which converts a voltage of a vehicle electrical system of the motor vehicle into another voltage.
- the fifteenth occupant protection system 15000 may also include a second comfort functionality 15800, the function of which corresponds to the first comfort functionality 220 of the first occupant protection system 1000 of FIG. 1, and which is controlled by a fourteenth supply connection 15520.
- Control unit 15200 is supplied with energy and is controlled by a sixth signal connection 15525 from the seat control unit 15200.
- the fifteenth occupant protection system 15000 may also include a user interface 225 having an eighteenth control connection 15570 with the third security controller
- the seat control unit 15200 is connected.
- the seat control unit 15200 is connected to the ESA adjusting unit 15700 via a sixteenth control connection 15550.
- the adjustment devices 310, 320, 330, 340 can be replaced by mechatronics with integrated output stages similar to the mechatronics 710, 720, 730 of FIG.
- the first output stage 250 of the first comfort control device 200 is omitted in this embodiment.
- the various seat adjustment devices 310, 320, 330, 340, 710, 720, 730, 6710, 6720, 6730, 15700 may under certain circumstances also be operated manually, for example via the user interface 225, by an occupant of the motor vehicle. This can serve to bring the seat of the motor vehicle in a particularly ergonomic and pleasant position. It has already been stated that one or more seats of the motor vehicle when entering a person can also be automatically moved to a stored preferred position. When manually operating the adjusting devices, it is advantageous if the adjustments take place at not too great a speed. Otherwise, the problem threatens that a desired position is not taken, but the adjustment always overshoots the desired target position.
- the highest possible adjustment is desirable to achieve a safe seating position in time.
- 6730, 15700 contained electric motors 301, 701, 671 1 can be operated with at least two different speeds.
- the properties of the electric motors are adapted to the specific requirements. Windings and gear ratios (in geared motors) are designed and developed in such a way that low speeds and speeds as well as very high values can be achieved. There are several possibilities for this. First, the normal vehicle electrical system voltage of about 13 V can be used for the slow manual adjustment. The properties of the electric motors are then designed so that the Systemverstellieri at the voltage of about
- 13 V is in the desired speed range. In parallel, it is determined which maximum voltage and / or speed the electric motors can withstand safely. This corresponding voltage, for example 30 V, is used for fast automatic adjustment.
- the energy storage devices 100, 2100, 3100, 7100, 1100, 12100, 13100, 14100, 15100 thus provide an increased voltage of, for example, 30 V compared to the vehicle electrical system voltage.
- the charging circuits of the energy storage devices can then have, for example, voltage transformers in order to store the energy store by means of the vehicle electrical system voltage of 13 V to the corresponding higher voltage charge.
- the control units switch in this variant between the normal vehicle electrical system voltage and the increased
- the ordinary vehicle electrical system voltage is used for the fast adjustment speed, while the voltage for the slow manual adjustment is well below the usual vehicle electrical system voltage.
- the electric motors are to be designed so that the adjustment speed is at the lowest possible voltage of, for example, 6 V in the desired slow speed range.
- the lower effective voltage can be generated from the vehicle electrical system voltage, for example by the principle of pulse width modulation. In this case, advantageously no additional voltage sources are necessary in addition to the normal vehicle electrical system voltage.
- the usual vehicle electrical system voltage is used neither for the high nor for the low adjustment speed. Instead, a voltage is used for the high adjustment speed, which is greater than the usual vehicle electrical system voltage and, as explained with reference to the first variant, is generated by means of a voltage converter from the vehicle electrical system voltage. For the slow adjustment speed, a voltage is used which is lower than the usual vehicle electrical system voltage, and which, as based on the second
- Example for example by means of pulse width modulation from the vehicle electrical system won.
- This variant allows the largest range between the slow and the fast adjustment speed. It is conceivable that the high adjustment speed is three to six times greater than the low adjustment speed.
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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
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DE112010005767T DE112010005767A5 (de) | 2010-07-28 | 2010-07-28 | Insassenschutzsystem |
PCT/EP2010/060932 WO2012013224A1 (de) | 2010-07-28 | 2010-07-28 | Insassenschutzsystem |
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PCT/EP2010/060932 WO2012013224A1 (de) | 2010-07-28 | 2010-07-28 | Insassenschutzsystem |
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WO (1) | WO2012013224A1 (de) |
Cited By (3)
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DE102016220974A1 (de) | 2016-10-25 | 2018-04-26 | Volkswagen Aktiengesellschaft | Verfahren zum Ansteuern wenigstens einer Rückhaltevorrichtung eines Kraftfahrzeugs |
DE102022202636A1 (de) | 2022-03-17 | 2023-09-21 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Massenschätzung von Insassen auf Sitzen in einem Kraftfahrzeug, sowie ein Sitzverstell-System, sowie ein Kraftfahrzeug zum Ausführen dieses Verfahrens |
DE102022211353A1 (de) | 2022-10-26 | 2024-05-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Betreiben einer Rückhaltevorrichtung von Insassen in einem Kraftfahrzeug, sowie ein Lenksäulen-Verstellsystem und ein Kraftfahrzeug zum Ausführen dieses Verfahrens |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10239420B2 (en) | 2016-12-19 | 2019-03-26 | Lear Corporation | System and method for positioning a vehicle seat |
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- 2010-07-28 DE DE112010005767T patent/DE112010005767A5/de active Pending
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EP1633606B1 (de) | 2003-05-15 | 2007-02-07 | Robert Bosch Gmbh | Insassenschutzsystem für fahrzeuge und verfahren zum betätigen eines insassenschutzsystems für fahrzeuge |
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DE102016220974A1 (de) | 2016-10-25 | 2018-04-26 | Volkswagen Aktiengesellschaft | Verfahren zum Ansteuern wenigstens einer Rückhaltevorrichtung eines Kraftfahrzeugs |
DE102016220974B4 (de) | 2016-10-25 | 2019-07-04 | Volkswagen Aktiengesellschaft | Verfahren zum Ansteuern wenigstens einer Rückhaltevorrichtung eines Kraftfahrzeugs |
DE102022202636A1 (de) | 2022-03-17 | 2023-09-21 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Massenschätzung von Insassen auf Sitzen in einem Kraftfahrzeug, sowie ein Sitzverstell-System, sowie ein Kraftfahrzeug zum Ausführen dieses Verfahrens |
DE102022211353A1 (de) | 2022-10-26 | 2024-05-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Betreiben einer Rückhaltevorrichtung von Insassen in einem Kraftfahrzeug, sowie ein Lenksäulen-Verstellsystem und ein Kraftfahrzeug zum Ausführen dieses Verfahrens |
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