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TRW's roof-mounted airbag to debut on Citroen C4 Cactus

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April 4, 2014

TRW's roof-mounted airbag in testing

TRW's roof-mounted airbag in testing

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Three years ago, we first heard about TRW Automotive's new roof-mounted airbag system. At the time, the company claimed that it had a "significant production contract" with an unnamed auto manufacturer, that might see the technology appearing on production vehicles. Now, TRW has announced that the airbags will be standard on the new Citroen C4 Cactus.

The system is designed to replace passenger airbags located in the dashboard, allowing for more dash-based electronics, increased storage space, and greater flexibility in the design of vehicles' interior spaces. It should also reportedly reduce costs of dashboard development, as automakers won't have to design and test "doors" that must open upon airbag deployment.

The Citroen C4 Cactus' airbag-free dash
The Citroen C4 Cactus' airbag-free dash

It consists of a cushion, a gas diffusion channel and a gas generator, all of which are contained within a housing located on or beneath the headlining above the windscreen. When activated, the cushion instantaneously fills with gas, inflating and unfolding in front of the windshield.

Although the Cactus is the first car to use the system, the airbag is claimed to be "functionally compatible with a wide range of vehicle architectures."

Source: TRW

About the Author
Ben Coxworth An experienced freelance writer, videographer and television producer, Ben's interest in all forms of innovation is particularly fanatical when it comes to human-powered transportation, film-making gear, environmentally-friendly technologies and anything that's designed to go underwater. He lives in Edmonton, Alberta, where he spends a lot of time going over the handlebars of his mountain bike, hanging out in off-leash parks, and wishing the Pacific Ocean wasn't so far away.   All articles by Ben Coxworth
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2 Comments

Bye-bye sun-roof.

Mel Tisdale
7th April, 2014 @ 04:54 am PDT

Mel Tisdale – From the linked article - "Citroen has designed in a panoramic glass roof to give the car an airy, open interior feel." Airbags don't take up that much space. What is not mentioned is a possible enhanced safety aspect for short drivers who sit close to the steering wheel and risk injury from a closely deployed airbag.

Shishkabugs
7th April, 2014 @ 03:03 pm PDT
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