valve gear
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noun
(in a reciprocating engine) the mechanism for opening and closing the valves at certain points in each stroke.
Also called valve train.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for valve gear
Historical Examples of valve gear
One form of valve-gear is the link motion invented by Stephenson.
The Story of Great InventionsElmer Ellsworth Burns
The devices for controlling the steam are the throttle-valve and the valve-gear.
The Story of Great InventionsElmer Ellsworth Burns
The valve-gear is the Stephenson link, as in the ordinary engine.
A History of the Growth of the Steam-EngineRobert H. Thurston
The valve-gear and the feed-pumps were worked from the engine-shaft.
A History of the Growth of the Steam-EngineRobert H. Thurston
The valve-gear of this engine, a view of which is given in Fig. 27, was quite similar to that used on the Watt pumping-engine.
A History of the Growth of the Steam-EngineRobert H. Thurston
valve gear
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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