slide valve

American  

noun

Machinery.

1. a valve that slides without lifting to open or close an aperture, as the valves of the ports in the cylinders of certain steam engines.

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slide valve British  

noun

1. a valve that slides across an aperture to expose the port or opening

2. (modifier) fitted with slide valves

   a slide-valve engine

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Etymology

Origin of slide valve

First recorded in 1795–1805

Example Sentences

The straight air brake valve is of the slide valve type.

From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous

The drop valve is now displacing the slide valve as a better form of excluding or admitting steam.

From James Watt by Carnegie, Andrew

Figure 24.—Bottom of valve box with slide valve removed.

From The 'Pioneer': Light Passenger Locomotive of 1851 United States Bulletin 240, Contributions from the Museum of History and Technology, paper 42, 1964 by White, John H.

When a release of the brake occurs and piston 26 is moved back to its normal position, spring 46 forces graduating stem 59 and slide valve 48 back to release position.

From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous

Gould 234,559 Paper pulp digesters, etc., slide valve gate for, J. Saunders 234,431 Paper pulp pail, E. Hubbard 234,405 Paner tool, H. Dewey 234,545 Planter, check row seed, G. W.

From Scientific American, Volume XLIII., No. 25, December 18, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. by Various