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trolley contact wire

См. также в других словарях:

  • Trolley pole — For the weapon, see Trolley pole (weapon). . [cite web| url=http://ocw.mit.edu/OcwWeb/Civil and Environmental Engineering/1 012Spring2002/Readings/detail/green line project.htm| title=Boston Transit Milestones| author=Dr. Romin Koebel| work=MIT… …   Wikipedia

  • trolley — /trol ee/, n., pl. trolleys, v., trolleyed, trolleying. n. 1. a trolley car. 2. a pulley or truck traveling on an overhead track and serving to support and move a suspended object. 3. a grooved metallic wheel or pulley carried on the end of a… …   Universalium

  • trolley — /ˈtrɒli / (say trolee) noun (plural trolleys) 1. any of various kinds of low carts or vehicles. 2. a frame on wheels, used for carrying dishes, serving food, etc., as at a hospital or restaurant. 3. Also, hospital trolley; SA, barouche. a bed… …  

  • Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… …   Wikipedia

  • bow trolley — noun Etymology: bow (III) + trolley; from its shape : a bow shaped member for collecting current by sliding contact with an overhead trolley wire * * * /boh/, Railroads. See under trolley (def. 4). [1900 05] …   Useful english dictionary

  • Stud contact system — For the same system on model railways, see stud contact electrification on model railways. The Stud Contact System is a once obsolete ground level power supply system for electric trams. Studs were set in the road at intervals and connected to a… …   Wikipedia

  • wheel trolley — noun : a grooved rotating wheel attached to the end of the trolley pole of an electric railway car or bus for making constant rolling contact with the trolley wire …   Useful english dictionary

  • Overhead lines — This article is about the transmission of electrical power to road and rail vehicles. For transmission of bulk electrical power to general consumers, see Electric power transmission. For powerlines mounted on pylons, see overhead power line.… …   Wikipedia

  • Pantograph (rail) — A pantograph is a device that collects electric current from overhead lines for electric trains or trams. The term stems from the resemblance to pantograph devices for copying writing and drawings. A flat side pantograph was invented 1895 at the… …   Wikipedia

  • Current collector — Chicago Transit Authority third rail contact shoe of Chicago L car …   Wikipedia

  • контактная сеть — Контактная сеть, система устройств, предназначенных для передачи электрической энергии от электрических станций через тяговые подстанции электровозам, моторным вагонам, трамваям или троллейбусам. Передача электрической энергии осуществляется… …   Справочник технического переводчика

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