- mechanical valve
- Медицина: механический протез клапана (в кардиохирургии)
Универсальный англо-русский словарь. Академик.ру. 2011.
mechanical valve
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Valve float — is an adverse condition which occurs when the poppet valves on an internal combustion engine valvetrain do not remain in contact with the camshaft lobe during the valve closure phase of the cam lobe profile. This reduces engine efficiency and… … Wikipedia
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|gear — «VALV GIHR», noun. a mechanism which regulates the motions of the valves of an engine or other mechanical apparatus … Useful english dictionary
Mechanical ventilation — In architecture and climate control, mechanical or forced ventilation is the use of powered equipment, e.g. fans and blowers, to move air see ventilation (architecture). Mechanical ventilation Intervention … Wikipedia
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… … Wikipedia
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
Mechanical system — This article is about systems that manage mechanical movement. For other uses, see Machine (disambiguation). A mechanical system manages power to accomplish a task that involves forces and movement. Mechanical is derived from the Latin word… … Wikipedia
Mechanical lubricator — Modern locomotive lubricators. The centre item is a mechanical lubricator for the cylinders, operated by the connecting lever seen below it (or by the hand wheel, for priming). The smaller one to the right is a drip feed lubricator. A Mechanical… … Wikipedia
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 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
