The World's First Foot Airbag Has Arrived

Innovative Safety Technology for Front Seat Occupants

ZF Lifetec, a company owned by the same group that manufactures gearboxes for the BMW 3 Series, has introduced an advanced Active Heel Airbag system. This new safety feature aims to provide additional protection against injuries for front seat occupants, complementing existing airbags and seat belts.

How the Active Heel Airbag Works

The system is designed to enhance protection, especially when front seats are pushed back into a comfort position. The concept focuses on energy transfer and control during a crash, ensuring a stable heel strike point that allows for a controlled knee path.

Complementing Existing Safety Features

The Active Heel Airbag works alongside knee airbags, which in turn support seat belts and front airbags. ZF Lifetec emphasizes that the position of the legs, knees, and feet plays a crucial role in occupant safety during an impact.

Preventing Severe Leg and Foot Injuries

According to Harald Lutz, head of development at ZF Lifetec, knee airbags control leg movement, reducing stress on joints. With a proper heel strike point, the femur—one of the body's strongest bones—can absorb the impact efficiently.

• Without a stable heel strike point, knee airbags lose effectiveness.
• With the Active Heel Airbag, a controlled knee path is maintained, preventing severe injuries.

Space-Saving and Suitable for Current Vehicles

One of the key advantages of the Active Heel Airbag is that it does not require additional space and can be integrated into existing vehicles. It inflates beneath the car’s floor carpet, ensuring seamless functionality.

Future-Proof Safety for Autonomous Vehicles

With autonomous driving on the horizon, people will likely adjust their seating positions for comfort. ZF Lifetec is designing this airbag to ensure safety even when seats are reclined, making it a forward-thinking innovation.

Conclusion

ZF Lifetec’s Active Heel Airbag is a groundbreaking development in automotive safety. By ensuring a stable heel impact point, it enhances the effectiveness of knee airbags and reduces leg and foot injuries. As autonomous driving advances, such innovations will play a crucial role in protecting passengers in future vehicles.

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