Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 293
to and from the pistons. It also cushions the piston atthe end of each stroke which prevents the piston from strikingthe heads. To set the valves. This can best be done by starting thepump slowly and adjusting the cams, E, so as to open the valveat the proper time to compel the piston to inake a… … ////////////////////////////////////////!. Fig. 260. The Steam Pump. •2D5 THE CAMERON. The plunger in the Cameron pump is reversed by means oftwo plain tappet valves, shown in the accompanying engraving,Fig. 261, and the entire valve mechanism consists of fourpieces, all of which work in a direct…
Hydraulic machinery · Pumping machinery
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