- rocking valve
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(on a steam engine) a valve mechanism oscillating through an arc to open and close.
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Universalium. 2010.
rocking valve
Look at other dictionaries:
rocking valve — noun or rocking slide valve : a steam engine valve consisting of a disk or cylindrical piece with the necessary openings that oscillates or revolves on its seat * * * (on a steam engine) a valve mechanism oscillating through an arc to open and… … Useful english dictionary
rocking slide valve — noun see rocking valve … Useful english dictionary
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
rocking shaft — Rock shaft Rock shaft [Cf. {Rock}, v. i.] (Mach.) A shaft that oscillates on its journals, instead of revolving, usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam… … The Collaborative International Dictionary of English
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
Bagnall-Price valve gear — is a type of steam engine valve gear developed at locomotive manufacturer W.G. Bagnall as an alternative to the more common Walschaerts valve gear. The gear was patented in 1903 by W.G. Bagnall and T. S. Price, the manager of the works. Layout… … Wikipedia
Gresley conjugated valve gear — The Gresley conjugated valve gear was a valve gear for steam locomotives designed by Sir Nigel Gresley, chief mechanical engineer of the LNER, assisted by Harold Holcroft. It enables a three cylinder locomotive to operate with only the two sets… … Wikipedia
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Baguley valve gear — The Baguley valve gear is a type of steam engine valve gear invented by Mr E. E. Baguley the draftsman of the W.G. Bagnall company of locomotive manufacturers. It was patented in 1893.The valve gear is used to operate the inlet and outlet valves… … Wikipedia
Cylinder (locomotive) — The motion on the left hand side of 60163 Tornado. The black casting to the left houses the cylinder, in which slides the piston; the piston rod is immediately above the wheel. The cylinders of a steam locomotive are the components that convert… … Wikipedia
