Transactions of the Society of Naval Architects and Marine Engineers Volume 2

Transactions of the Society of Naval Architects and Marine Engineers Volume 2

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ...part above the horizontal diaphragm and is 4 inches in diameter by 5 inches long, internal dimensions. The exhaust-steam passes under the slide-valve to the lower part of the cylinder-casting and from thence through a twoinch pipe to the reservoir R Steam is brought to the admission reservoir and is carried away from the exhaust-reservoir by pipes, each two inches in diameter; each pipe has a stop-valve so that both supply and exhaust can be throttled, and thus the pressure in each reservoir can be regulated as desired. The eccentric-shaft carries fast-and-loose pulleys 12 inches in diameter, for a two-inch belt, leading from a line of shafting, and can be started and stopped at will. Fig. 3 shows a horizontal section through the cylinder, valve-chest, slidevalve, and piston-valves. Fig. 4 shows one of the piston-valves in its seat, which is a plain cylindrical passage by the side of the cylinder, and is open top and bottom. At P, is a passage from the cylinder and at P2 is a passage leading toward the mercury column. The steam from the cylinder enters an annular passage around the valve at P; from that passage it goes through a hole, fit, into the inside of the hollow piston-valve; from the inside of the valve the steam goes through a hole at fi3 to a passage around the valve at Pa. Leakage is prevented by the length of the valve and by annular grooves as shown. From the passage P the steam is piped to a horizontal pipe 4 inches in diameter and 36 inches long, which is kept exactly half full of water, and from the water a pipe leads to the mercury column. The two piston-valves are identical in construction and have the same connections with their proper mercury columns, the only difference being that one opens during admission and more

Product details

  • Paperback | 140 pages
  • 189 x 246 x 8mm | 263g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236651103
  • 9781236651105