Train Brake/pt: Difference between revisions
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In order to stop or slow down, {{pll|Rail Vehicle Types|trains}} need a lot of braking force. For this reason each individual vehicle in a train is equipped with {{pll|Air Brake System Overview|compressed air brakes}}, which allow synchronous brake application throughout the entire train. This is called a train brake. | |||
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<div lang="en" dir="ltr" class="mw-content-ltr"> | |||
Train brake is applied by a {{pll|Air Brake System Overview|control device}} found in motorized rail vehicles. Applying brakes on a fully charged train functions by getting air dumped from the {{pll|Air Brake System Overview|brake pipe}} to the atmosphere. This forces {{pll|Air Brake System Overview|auxiliary reservoirs}} to feed their stored pressure to {{pll|Air Brake System Overview|brake cylinders}}, pressing {{pll|Brake Shoes|brake shoes}} against the wheels and braking the train. | |||
</div> | |||
<div lang="en" dir="ltr" class="mw-content-ltr"> | |||
Train brake is released by the same control device. Releasing brakes on a fully charged train functions by the brake pipe getting pressurized by {{pll|Air Brake System Overview|main reservoir}}. This forces auxiliary reservoirs to recharge from the pipe and no longer feed the brake cylinders, depressing the brake shoes from the wheels and no longer braking the train. | |||
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O freio do trem é operado por um dispositivo de controle, geralmente uma alavanca, encontrado na maioria dos veículos ferroviários motorizados. Se um trem tiver vários veículos motorizados, aquele que tiver seu freio mais aplicado dominará. | O freio do trem é operado por um dispositivo de controle, geralmente uma alavanca, encontrado na maioria dos veículos ferroviários motorizados. Se um trem tiver vários veículos motorizados, aquele que tiver seu freio mais aplicado dominará. | ||
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<div lang="en" dir="ltr" class="mw-content-ltr"> | |||
Train brake should be used when a train contains {{pll|Rail Vehicle Types|cars}}. If the train only contains a single motorized vehicle, or multiple ones in {{pll|Multiple-Unit|MU configuration}}, using the {{pll|Independent Brake|independent brake}} is a better option. | |||
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<div lang="en" dir="ltr" class="mw-content-ltr"> | |||
To aid the train brake and prevent {{pll|Brake Shoes|brake shoes from overheating}}, some motorized vehicles are equipped with {{pll|Dynamic Brake|dynamic brakes}}, too. | |||
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[[Category:Braking|4]] | [[Category:Braking|4]] | ||
Revision as of 19:41, 9 March 2025
In order to stop or slow down, trains need a lot of braking force. For this reason each individual vehicle in a train is equipped with compressed air brakes, which allow synchronous brake application throughout the entire train. This is called a train brake.
Train brake is applied by a control device found in motorized rail vehicles. Applying brakes on a fully charged train functions by getting air dumped from the brake pipe to the atmosphere. This forces auxiliary reservoirs to feed their stored pressure to brake cylinders, pressing brake shoes against the wheels and braking the train.
Train brake is released by the same control device. Releasing brakes on a fully charged train functions by the brake pipe getting pressurized by main reservoir. This forces auxiliary reservoirs to recharge from the pipe and no longer feed the brake cylinders, depressing the brake shoes from the wheels and no longer braking the train.
O freio do trem é operado por um dispositivo de controle, geralmente uma alavanca, encontrado na maioria dos veículos ferroviários motorizados. Se um trem tiver vários veículos motorizados, aquele que tiver seu freio mais aplicado dominará.
Train brake should be used when a train contains cars. If the train only contains a single motorized vehicle, or multiple ones in MU configuration, using the independent brake is a better option.
To aid the train brake and prevent brake shoes from overheating, some motorized vehicles are equipped with dynamic brakes, too.