valve device
Смотреть что такое "valve device" в других словарях:
valve — n. device that permits flow 1) to grind valves 2) a ball; butterfly; check; exhaust; gate; globe; needle; safety; shunt; suction valve membranous fold that permits body fluids to flow in one direction (anat.) 3) a heart valve (the patient has a… … Combinatory dictionary
valve´like´ — valve «valv», noun, verb, valved, valv|ing. –n. 1. a movable part that controls the flow of a liquid or gas through a pipe or out of an enclosed space by opening or closing the passage. A faucet contains a valve. 2. a part of the body that works… … Useful english dictionary
valve — [valv] n. [ME, a door leaf < L valva, leaf of a folding door, akin to volvere, to roll: see WALK; VALVE senses 3, 4, 8 < ModL valva < L] 1. Archaic either of the halves of a double door or any of the leaves of a folding door 2. a gate… … English World dictionary
valve — (n.) late 14c., one of the halves of a folding door, from L. valva section of a folding or revolving door, lit. that which turns, related to volvere to roll (see VULVA (Cf. vulva)). Sense extended 1610s to membranous fold regulating flow of… … Etymology dictionary
valve — [n] on and off device cock, faucet, flap, gate, hydrant, lid, pipe, plug, shutoff, spigot, stopper, tap; concepts 445,464,499 … New thesaurus
valve — ► NOUN 1) a device for controlling the passage of fluid through a pipe or duct. 2) a cylindrical mechanism to vary the effective length of the tube in a brass musical instrument. 3) Anatomy & Zoology a membranous fold which allows blood or other… … English terms dictionary
valve, service — Device used to check pressures, service, and charge refrigerating systems … Dictionary of automotive terms
valve — valveless, adj. valvelike, adj. /valv/, n., v., valved, valving. n. 1. any device for halting or controlling the flow of a liquid, gas, or other material through a passage, pipe, inlet, outlet, etc. 2. a hinged lid or other movable part that… … Universalium
Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… … Wikipedia
Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… … Wikipedia
