valve closure
Смотреть что такое "valve closure" в других словарях:
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 gear — The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It is sometimes referred to as the… … Wikipedia
closure — I (New American Roget s College Thesaurus) Act of closing Nouns 1. closure, occlusion; blockade, obstruction; shutting up; constipation, bottleneck; embolism; blind alley, dead end, stone wall, cul de sac; obstacle, block, impediment. See… … English dictionary for students
valve — I (New American Roget s College Thesaurus) n. damper, cutoff, cock, butterfly, pallet, poppet; ventil, side valve; plug, piston, cusp. See closure. II (Roget s IV) n. Syn. flap, lid, plug; see device 1 , pipe 1 . Types of valves include:… … English dictionary for students
closure — n 1. stoppage, blockage, occlusion, obturation; locking, padlocking, bolting, latching, securing; plugging, stopping, corking, stanching, blocking, damming; strike, walkout, shutdown. 2. conclusion, termination, cessation, windup, Rhet.… … A Note on the Style of the synonym finder
Globe valve — A Globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk type element and a stationary ring seat in a generally spherical body. [cite web url = http://www.answers.com/topic/globe valve title = Globe… … Wikipedia
Artificial heart valve — An artificial heart valve is a device implanted in the heart of a patient with heart valvular disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires… … Wikipedia
Mitral valve — Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Mitral valve labeled at center right.) … Wikipedia
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
Desmodromic valve — In general mechanical terms, the word desmodromic is used to refer to mechanisms that have different controls for their actuation in different directions. Desmodromic poppet valve in Ducati engine. A desmodromic valve is a reciprocating engine… … Wikipedia
Heart valve — In anatomy, the heart valves are valves in the heart that maintain the unidirectional flow of blood by opening and closing depending on the difference in pressure on each side. The mechanical equivalent of the heart valves would be the reed… … Wikipedia
