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  2. Electro-pneumatic action - Wikipedia

    en.wikipedia.org/wiki/Electro-pneumatic_action

    The electro-pneumatic action is a control system by the mean of air pressure for pipe organs, whereby air pressure, controlled by an electric current and operated by the keys of an organ console, opens and closes valves within wind chests, allowing the pipes to speak. This system also allows the console to be physically detached from the organ ...

  3. Electronically controlled pneumatic brakes - Wikipedia

    en.wikipedia.org/wiki/Electronically_controlled...

    Distributed power is a system where locomotives are coupled in the middle and/or end of a heavy train and remotely controlled originally via radio from the locomotive in the front. Amongst other advantages, this reduces coupling stresses in long and heavy trains. The ECP wiring can also be used to control these intermediate locomotives.

  4. Electro-pneumatic brake system on British railway trains

    en.wikipedia.org/wiki/Electro-pneumatic_brake...

    Following on from the original EP stock, the system was developed further on the second generation of Multiple Unit trains built for British Rail in the 1970s such as the Class 313 EMU. The Westinghouse air system was abandoned in favour of a fully electrical system of control, so that the need for a brake pipe and triple-valves was dispensed with.

  5. Electro-pneumatic - Wikipedia

    en.wikipedia.org/wiki/Electro-pneumatic

    Electro-pneumatic may refer to Electro-pneumatic control, control systems built with electrical components to control pneumatic components; Electro-pneumatic action, a control system by the mean of air pressure for pipe organs; Railway brake#Electropneumatic brakes

  6. Electro-pneumatic brake - Wikipedia

    en.wikipedia.org/?title=Electro-pneumatic_brake&...

    Electro-pneumatic brake. Add languages. Add links. ... Download as PDF; Printable version ... Appearance. move to sidebar hide. From Wikipedia, the free encyclopedia ...

  7. Pneumatics - Wikipedia

    en.wikipedia.org/wiki/Pneumatics

    Pneumatics (from Greek πνεῦμα pneuma 'wind, breath') is the use of gas or pressurized air in mechanical systems. Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and electrically-powered compressor powers cylinders, air motors, pneumatic actuators, and other ...

  8. Direct electric action - Wikipedia

    en.wikipedia.org/wiki/Direct_electric_action

    Direct electric action is a systems used in pipe organs to control the flow of air (wind) into the organ's pipes when the corresponding keys or pedals are depressed. In direct electric action, the valves beneath the pipes are opened directly by electro-magnet solenoids, while with electro-pneumatic action, the electro-magnet's action admits air into a pneumatic or small bellows which in turn ...

  9. Camless piston engine - Wikipedia

    en.wikipedia.org/wiki/Camless_piston_engine

    A camless or free-valve piston engine is an engine that has poppet valves operated by means of electromagnetic, hydraulic, or pneumatic [1] actuators instead of conventional cams. Actuators can be used to both open and close valves, or to open valves closed by springs or other means.