Journal of the American Society of Naval Engineers, Inc
Journal of the American Society of Naval Engineers, Inc
American Society of Naval Engineers
The book Journal of the American Society of Naval Engineers, Inc was written by author American Society of Naval Engineers Here you can read free online of Journal of the American Society of Naval Engineers, Inc book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Journal of the American Society of Naval Engineers, Inc a good or bad book?
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The pressure drops only to about 3 pounds, and since this is the pressure also existing in the cylinder at the close of the exhaust and air ports, more weight of charge is present in the cylinder, increasing the capacity of the machine. Fig. 3 shows what takes place in the crank case. Suction occurs from a to £, compression from b to c, at c air is admitted to the power cylinder, and the pressure rapidly drops to d. Here the return stroke commences, scavenging ceases, and the pressure rapidly d...rops to suction pressure. In Fig. 4 the conditions of Fig. 3 have been improved by making the pipe leading from the crank case to the cylinder as large as the space would allow and fitting this pipe with a check valve, thus creating a limited receiver. This bettered the conditions very much, scavenging taking place from c through d to «, continuing after the piston has commenced its return stroke, owing to the action of the check valve. Only in this way is it possible in crank-case scavenging pumps to attain anything like favorable results.
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