bottom valve

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• Valve of coronary sinus — Valve of the coronary sinus Interior of right side of heart. (Valve of the coronary sinus labeled at bottom left.) Latin valvula sinus coronarii Gray s …   Wikipedia

• Valve cover racing — is a competitive event similar to the Pinewood derby, but vehicles are made from a valve cover from an internal combustion car engine, rather than of wood blocks, . Valve cover racing is most commonly seen at car shows.EventsRules and regulations …   Wikipedia

• Bottom bracket — A square taper cartridge bottom bracket. The bottom bracket on a bicycle connects the crankset to the bicycle and allows the crankset to rotate freely. It contains a spindle that the crankset attaches to, and the bearings that allow the spindle… …   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

• Valve stem — For the shaft which transmits motion from the outside to the inside of a valve, see Valve#Stem. A valve stem is a self contained valve which opens to admit gas to a chamber (such as air to inflate a tire), and is then automatically closed and… …   Wikipedia

• Valve of the coronary sinus — Infobox Anatomy | Name = Valve of the coronary sinus Latin = valvula sinus coronarii GraySubject = 138 GrayPage = 531 Caption = Interior of right side of heart. (Valve of the coronary sinus labeled at bottom left.) Caption2 = System = MeshName =… …   Wikipedia

• valve lag — The number of degrees of crankshaft rotation after a piston passes the top or bottom center of its stroke, at which the intake or exhaust valves open or close. For example, if the exhaust valve closes at 60° of crankshaft rotation after the… …   Aviation dictionary

• valve lead — The number of degrees of the crankshaft before the top or bottom center, at which the intake or exhaust valves open or close. For example, if the intake valve opens when the crankshaft is 25° before the piston reaches the top of the exhaust… …   Aviation dictionary

• valve spring seat — A seat retaining the bottom of the valve spring …   Dictionary of automotive terms

• Diaphragm valve — Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a diaphragm, and a saddle or seat upon which the diaphragm closes the valve. The valve is constructed from either plastic or steel. Originally, the diaphragm… …   Wikipedia

• Double dump valve — Double dump valves, also known as double flap valves or double flap gates, are a type of airlock valve commonly used in industrial applications as a component in bulk material handling applications. Double dump valves are primarily used to… …   Wikipedia