In less time than it takes for a human being to blink an eye, the seat belt system goes into action to control the energy load the How Seat Belts Work
How exactly do seat belt systems work when accidents occur?
We would like to give an example of how seat belts equipped with a pretensioner and load limiter work.
When accidents occur, several systems incorporated in the seat belt assembly go into operation simultaneously. In less time than it takes for a human being to blink an eye, the seat belt system goes into action to control the energy load the occupant endures on impact. By retracting some webbing as the collision is occurring, the pretensioner enhances the protective functions of the belt by removing some slack and helping restrain the passenger. The load limiter absorbs and softens the load on the occupant as the passenger moves forward because of inertia. In the latest designed motorized seat belts, there are also functions to warn the driver, as the seat belt motor gives a tug on the belt, that there is immediate dangerous situation. (a pre-impact warning).
*This is one example of how pretensioners and load limiters operate. The figures are for reference.
In less time than it takes for a human being to blink an eye, the seat belt system goes into action to control the energy load the How Seat Belts WorkHow exactly do seat belt systems work when accidents occur? We would like to give an example of how seat belts equipped with a pretensioner and load limiter work.When accidents occur, several systems incorporated in the seat belt assembly go into operation simultaneously. In less time than it takes for a human being to blink an eye, the seat belt system goes into action to control the energy load the occupant endures on impact. By retracting some webbing as the collision is occurring, the pretensioner enhances the protective functions of the belt by removing some slack and helping restrain the passenger. The load limiter absorbs and softens the load on the occupant as the passenger moves forward because of inertia. In the latest designed motorized seat belts, there are also functions to warn the driver, as the seat belt motor gives a tug on the belt, that there is immediate dangerous situation. (a pre-impact warning).*This is one example of how pretensioners and load limiters operate. The figures are for reference.
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