Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 230
.Fig. 160 shows a slide-valve of this construction, intended forsteam only. It is called from its resemblance a gridironslide-valve, and the principle of having many openings into VA L VE- GEA RING. 193 the steam-passage gives it also the name of multiported valve.The adoption of this principle… … Fig. 161. The division in the port is carried all the way down to thebore, so that the piston in its movement towards the head ofthe cylinder closes the inner port at either side before itreaches the end of the stroke. This inner port has been theprincipal dependence as an exhaust-port, so that…
Mechanical engineering · Steam power plants
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