IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0598108
(2006-11-13)
|
등록번호 |
US-7513526
(2009-07-01)
|
우선권정보 |
DE-10 2004 023 973(2004-05-14) |
발명자
/ 주소 |
- Rauh, Helmut
- Achatz, Klaus
- Weidner, Marcus
- Baur, Richard
|
출원인 / 주소 |
- Bayerische Motoren Werke Aktiengesellschaft
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
28 |
초록
▼
A restraint system, in particular for a motor vehicle, includes a restraint device, to be activated in at least two steps; a sensor unit for sensing activation-relevant vehicle and operating data; a control device for processing the activation-relevant vehicle and operating data; as well as an ignit
A restraint system, in particular for a motor vehicle, includes a restraint device, to be activated in at least two steps; a sensor unit for sensing activation-relevant vehicle and operating data; a control device for processing the activation-relevant vehicle and operating data; as well as an ignition unit for driving the actuators for activating the at least one restraining device. To increase the safety of such a restraining device, at least two independently switched ignition units are provided such that, when one ignition unit fails, the activation of the restraint device in at least one step is guaranteed by the other ignition unit.
대표청구항
▼
What is claimed is: 1. A restraint system for a motor vehicle, comprising: at least two restraint devices each activatable in at least two stages; a control device for processing activation-relevant operating data of the vehicle; a sensor unit for sensing activation-relevant operating data and prov
What is claimed is: 1. A restraint system for a motor vehicle, comprising: at least two restraint devices each activatable in at least two stages; a control device for processing activation-relevant operating data of the vehicle; a sensor unit for sensing activation-relevant operating data and providing the activation-relevant operating data to the control device; and at least two independently switched ignition units coupled with the control device and to each of the at least two restraint devices, wherein the at least two independently switched ignition units are operably configured such that, if one ignition units fails, activation of each of the at least two restraint devices in at least one stage is performed by the other ignition unit, wherein each of the at least two ignition units includes two ignition end stages, the two ignition end stages of each of the at least two ignition units being electrically configured such that one ignition end stage of each ignition unit is assigned to one of the at least two restrain devices, and another ignition end stage of each ignition unit is assigned to the other of the at least two restraint devices. 2. The restraint system according to claim 1, wherein the at least two restraint devices comprise airbags. 3. The restraint system according to claim 1, wherein at least two restraint devices in the form of airbags are provided, the at least two independently switched ignition units being each provided with at least two ignition end stages, wherein the at least two independently switched ignition units are electrically coupled such that the at least two ignition end stages are assigned to one ignition unit of the various airbags. 4. The restraint system according to claim 1, wherein the at least two restraint devices comprise seatbelts having a seatbelt tightener. 5. The restraint system according to claim 4, wherein at least two restraint devices in the form of a seatbelt having a seatbelt tightener are provided, the at least two independently switched ignition units each having at least two ignition end stages, wherein the at least two independently switched ignition units are electrically coupled together such that the at least two ignition end stages are assigned to one ignition unit of the various seatbelts having seatbelt tighteners. 6. A motor vehicle restraint system, comprising: a two stage activated restraint device, each stage being activated by a respective triggering unit; first and second independently switched ignition units each connected to one of the triggering units, operably configured such that if the first ignition unit fails, the second ignition unit activates at least one stage of the two stage restraint device; and a second two stage restraint device, wherein each of the first and second ignition units includes two ignition end stages, the two ignition end stages of the first and second ignition units being electrically configured such that one ignition end stage of each ignition unit is assigned to the restraint device and another ignition end stage of each ignition unit is assigned to the second restraint device. 7. The restraint system according to claim 6, wherein the two stage restraint device is an airbag. 8. The restraint system according to claim 6, wherein the two stage restraint device is a seatbelt having a seatbelt tightener. 9. A method of operating a vehicle restraint system having a pair of two stage restraint devices, the method comprising the acts of: sensing in a sensor unit activation-relevant operating data of the vehicle; upon receiving the activation-relevant operating data in a control device of the vehicle restraint system, providing an activation signal to activate a trigger unit of at least one stage of each of the pair of restraint devices via a first ignition unit; upon failing to activate the trigger unit of the at least one stage of each of the pair of restraint devices, activating the trigger unit of the at least one stage thereof via a second independently switched ignition unit, and electrically configuring two ignition end stages of each of the first and second ignition units, such that one ignition end stage of each ignition unit is assigned to one of the pair of restraint devices, and another ignition end stage of each ignition unit is assigned to the other of the pair of restraint devices. 10. The method according to claim 9, wherein the restraint device is an airbag. 11. The method according to claim 9, wherein the restraint device is a seatbelt having a seatbelt tightener.
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