Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 181
This is necessary, since no positive limit ofmotion exists, as is the case in machines with crank and connectingrod. When the edge of the piston has passed the outer edge of theexhaust port, as shown in Fig. 121, the steam, which has been ex-hausting through port A, is confined in space B and port… … Fig. 121. Enlarged Details of Steam Port MACHINE DRAWING 169 to stop at the end of the nominal stroke; in this case, J inch fromthe head. It is evident, however, that at different speeds the pistonwill have more or less power to compress the steam, and will notstop at the point desired. This causes…
Machinery
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