84
E88 Complete Vehicle
Retraction Tensioner and Adaptive Belt-load Limiter
The automatic seat belt tensioner is enhanced with the addition of two extra functions:
• Retraction tensioner
• Adaptive belt-load limiter.
Note:
The two
functions are deployed using pyrotechnic elements.
Automatic seat belt tensioner
Cutaway view of the retraction tensioner
Index Explanation
1
Seat belt
2
Automatic seat belt tensioner
3
Pyrotechnic actuator for the
adaptive belt-load limiter
4
Pyrotechnic actuator for the
retraction tensioner
Index Explanation
1
Gearwheel
2
Drive pinion
3
Disc
4
Seat belt
r
etr
actor
5
Piston
6
Gas generator
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