over centre valve
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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
Multi-valve — A cylinder head of a four valve engine. ( Nissan VQ engine ) In automotive engineering, a multi valve (or multivalve) engine is one where each cylinder has more than two valves. A multi valve engine has better breathing and can spin at higher rpm … Wikipedia
Aortic valve stenosis — Classification and external resources ICD 10 I35.0, I06.0, Q23.0 … Wikipedia
Mitral valve repair — Intervention Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Mitral valve labeled at center right.) ICD 9 CM … Wikipedia
Musgrave non-dead-centre engine — Park Street Mill engine in the Bolton Steam Museum … Wikipedia
Mercury-arc valve — Mercury rectifier on display in Beromünster, Switzerland before being decommissioned A mercury arc valve (mercury vapor rectifier) is a type of electrical rectifier used for converting high voltage or high current alternating current (AC) into… … Wikipedia
Mercury arc valve — A mercury arc valve (mercury vapor rectifier) is a type of electrical rectifier which converts alternating current into direct current. Rectifiers of this type were used in electric motor power supplies for industry, in electric… … Wikipedia
California textbook controversy over Hindu history — A controversy in the US state of California concerning the portrayal of Hinduism in history textbooks began in 2005. Christian, Jewish, Muslim and Hindu groups complained that their religions were in part incorrectly or negatively portrayed.The… … Wikipedia
Buoyancy compensator (diving) — Stab jacket redirects here. For a type of body armor, see stab vest. A buoyancy compensator (or buoyancy control device, BC or BCD) is a piece of diving equipment worn by divers to provide: * life saving emergency buoyancy both underwater and on… … Wikipedia
Ford Cortina — Manufacturer Ford Motor Company Hyundai Motor Company Also called Ford Consul Cortina Production 19 … Wikipedia
Henderson Motorcycle — Henderson produced 4 cylinder motorcycles from 1912 until 1931. They were the largest and fastest motorcycles of their time, and appealed to sport riders and police departments. Police favored them for traffic patrol because they were faster than … Wikipedia
