Car Airbag

Light trucks came under the rule in 1999 to date statistics show that airbags reduce the risk of dying in a direct frontal crash by about 30 percent. The sensor is the device that tells the bag to inflate. The first airbag systems were installed in top of the range vehicles in the mid 1970s and at the start of the 1980s.

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The airbag circuit passes an electric current through a.

Car airbag. The nitrogen gas fills a nylon or polyamide bag at a velocity of up to 250 miles per hour. If the deceleration is great enough the accelerometer triggers the airbag circuit normal braking doesn t generate enough force to do this. The 1973 oldsmobile toronado was the first car with a passenger airbag sold to the public. The purpose of the airbag is to provide a vehicle occupant with a soft cushioning and restraint during a crash event.

The bag itself is made of a thin nylon fabric which is folded into the steering wheel or dashboard or more recently the seat or door. Once a cars electrical circuit has been turned on by a sensor a pellet of sodium azide nan3 is ignited. The end of the 1980s saw the introduction of the front passenger airbag and this was gradually followed by other variants such as the head airbag and side airbag. General motors installed airbags in a fleet of 1973 chevrolet impalas for government use only.

An accelerometer electronic chip that measures acceleration or force detects the change of speed. Since model year 1998 all new cars sold in the united states have been required to have airbags on both driver and passenger sides. A rapid reaction occurs generating a hot blast of nitrogen gas to inflate the airbag. An airbag is a vehicle occupant restraint system using a bag designed to inflate extremely quickly then quickly deflate during a collision it consists of the airbag cushion a flexible fabric bag an inflation module and an impact sensor.

General motors later offered an option of driver side airbags in full sized oldsmobiles and buicks in 1975 and 1976 respectively. When a car hits something it starts to decelerate lose speed very rapidly. Inflation happens when there is a collision force equal to running into a brick wall at 10 to 15 miles per hour 16 to 24 km per hour.