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The first braking systems that trains used were very simple... each car had an individual air-braking system that was operated by a "brakeman". The engineer would blow a sequence of whistles signifying he wanted the train to stop and the brakeman would then jump from car to car applying the brakes individually. As you can imagine this was a very dangerous job and many brakeman lost their lives untill the system was upgraded to a safer version.
The safer version consisted of a "brake pipe" that ran the length of the train. The brake pipe fed into each cars valve which stored air in a reservoir that would later be fed into the brake cylinder. When the conductor wanted the train to stop he would release the air out of the brake pipe which would in turn signal the valve to pump the air stored in the reservoir into the break cylinder. When the conductor wanted to release the brakes he would pump air into the brake pipe which would signal the valve to release the air out of the brake cylinder and also re-fill the reservoir.
There have been numerous additions to the braking system of trains and the current system consists of all of the above metioned components with the addition of several "quick" acting valves and an emrgency reservoir. There have also been changes in the type of material used to build these valves, brake pipes and reservoirs. Steel and copper have now been replaced with plastic and rubber.
Even though the braking systems have been upgraded to safer versions both the old and the new systems still have some of the same problems. Some contributors to complete braking system failures are as follows:
1. An air hose has been damaged 2. The train has broken into two 3. Mechanical failure such as bad gaskets or broken valves 4. The trains are improperly connected
There are many different circumstances that could cause the braking system on a train to fail. The results of a brake failure can be deadly.
If you or a loved one have been injured in a train accident you may be entitled to monetary compensation. Complete the free consultation form below and an attorney may contact you to discuss your case.
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