- 1. Регулирующее устройство, закрытое при отсутствии контрольного сигнала (сигнала регулирования). 2. Устройство, возвращающееся в закрытое состояние после прекращения силового воздействия.
Англо-русский словарь по кондиционированию и вентиляции. 2013.
Closed-circuit television camera — Closed circuit television (CCTV) cameras can produce images or recordings for surveillance purposes, and can be either video cameras, or digital stills cameras. Marie van Brittan Brown was the inventor of the CCTV camera. Different types of Cctv… … Wikipedia
Spring (device) — Helical or coil springs designed for tension Compression sp … Wikipedia
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pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… … Universalium
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Direct on line starter — A direct on line starter, often abbreviated DOL starter, is a widely used starting method of electric motors. The term is used in electrical engineering and associated with electric motors. There are many types of motor starters, the simplest of… … Wikipedia
Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… … Wikipedia
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Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… … Wikipedia
