hollow-stem valve

См. также в других словарях:

• sodium-cooled valve — An exhaust valve with a hollow stem that is partially filled with metallic sodium. When the valve gets hot enough (138°C), the sodium melts and moves up and down in the valve stem. The sodium absorbs heat from the hot valve head and carries it… …   Dictionary of automotive terms

• 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

• Schrader valve — The Schrader valve, invented by August Schrader in the 1890s, consists of a valve stem into which a valve core is threaded, and is used on virtually all automobile tires and wider rimmed bicycle tires. The valve core is a poppet valve assisted by …   Wikipedia

• Plug valve — Plug valves [American Petroleum Institute Standards: API 6D Pipeline Valves ; API STD 599 Metal Plug Valves ] are valves with cylindrical or conically tapered plugs which can be rotated inside the valve body to control flow through the valve. The …   Wikipedia

• Slide valve — Cylinder, with slide valve removed to show ports …   Wikipedia

• D slide valve — The D Slide Valve was a form of rectilinear slide valve for use in rotative steam engines invented by William Murdoch and patented in 1799. It was named after the hollow central piston and was in the shape of a D.This valve worked by connecting… …   Wikipedia

• Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …   Wikipedia

• Traditional fishing tackle — Many of these are mainly made up of bamboo at Mendha and from synthetic material at Khursa. Following types of indigenous fishing instruments has been documented from both villages,DhiriReported from Mendha, this is a rectangular trap of bamboo… …   Wikipedia

• GM LS engine — Infobox Automobile engine name=GM LS engine aka=GM Vortec engine manufacturer=General Motors production=1997–present class=OHV V8 predecessor=GM LT engine, Chevrolet Small Block engine, Chevrolet Big Block engine successor= similar=Ford Modular… …   Wikipedia

• Pipe — Pipe, n. [AS. p[=i]pe, probably fr. L. pipare, pipire, to chirp; of imitative origin. Cf. {Peep}, {Pibroch}, {Fife}.] 1. A wind instrument of music, consisting of a tube or tubes of straw, reed, wood, or metal; any tube which produces musical… …   The Collaborative International Dictionary of English

• Pipe fitter — Pipe Pipe, n. [AS. p[=i]pe, probably fr. L. pipare, pipire, to chirp; of imitative origin. Cf. {Peep}, {Pibroch}, {Fife}.] 1. A wind instrument of music, consisting of a tube or tubes of straw, reed, wood, or metal; any tube which produces… …   The Collaborative International Dictionary of English