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Driver's brake handle in a class 317 electric multiple unit. On trains, the expression emergency brake has several meanings: . The maximum brake force available to the engine driver from the conventional braking system, usually operated by taking the brake handle to its furthest position, through a gate mechanism, or by pushing a separate plunger in the cab.
The original law was amended by a subsequent act in 1903, whose first section provides that the requirements of the original act respecting train brakes, automatic couplers, and grab irons shall be held to apply to all trains and cars used on any railroad engaged in interstate commerce, unless a minor exception were satisfied.
The first Southern units fitted with EP brake could be considered the Bulleid double deck 4-DDs built 1949 (4001 & 4002). The EP brake fitted to this stock was not of the self lapping type and still required the Westinghouse brake as the 'fail to safe' braking as the EP brake fitted was of the 'energise to apply' type, which meant if there was a loss of brake control voltage the EP brake was ...
In the event the train needs to make an emergency stop, the engine operator can make an "emergency application," which will rapidly vent all of the brake pipe pressure to atmosphere, resulting in a faster application of the train's brakes. An emergency application also results when the integrity of the brake pipe is lost, as all air will also ...
Download as PDF; Printable version ... Electro-pneumatic brake system on British railway trains ... Electronically controlled pneumatic brakes; Emergency brake (train ...
A train that passes the signal will have its emergency brake activated. If the train is travelling at speed, this may be too late to stop it before the point of collision, therefore a second transmitter may be placed on the approach to the signal that applies the brakes on trains going too quickly to stop at the signal, positioned to stop ...
Hand brakes on tenders and tank locomotives are often designed as counterweight brakes. A manually operating parking brake is only suitable for securing static railway vehicles from rolling away. It can be designed as a hand wheel or as a spring-loaded brake. A direction-dependent pawl brake is often installed in vehicles on rack railways.
Automatic train control (ATC) is a general class of train protection systems for railways that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger.