Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 171
Valve Motion. When the Walschaert gear is used,the valve receives its motion from two distinct sources, namely,from the crosshead and from the eccentric crank. In Fig. 64 thevarious parts of the gear are named. The crosshead connectiongives to the valve a movement equal to the lap plus the lead, at… … E3- Fig. 63. Diagram of Walschaert Radial Valve Gear main crank by 90 degrees for an internal admission valve. Locat-ing the eccentric crank exactly 90 degrees in advance or behind themain crank is one of the necessary adjustments of the Walschaertgear. It is evident, therefore, that if an…
Indicators for steam-engines · Steam-engines
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