 | Henry Evers - 1885 - 428 σελίδες
...the slide ceases, and it is at the end of the stroke. A wedge-shaped piece of wood is then inserted between the edge of the valve and the edge of the port, and a mark scribed along the wood as close to the face as possible. The valve is then put to the other... | |
 | Edward Tremlett Carter - 1896 - 720 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ] | |
 | Edward Tremlett Carter - 1896 - 720 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ] | |
 | International Correspondence Schools - 1897 - 346 σελίδες
...the inner edge of the port or falls short of it as in the fignre, the distance m between the edge of valve and the edge of the port when the valve is in...the valve were shown moving to the left, a little further movement would bring the left outer edge just even with the outer edge of the left steam port,... | |
 | Charles Hurst - 1897 - 214 σελίδες
...the lap as found by the construction of Fig. 80. The dimension D must be sufficient to lap the back edge of the port when the valve is in its extreme position. D must therefore be equal to the dwelling movement taken at the valve circumference, plus, say, \ inch... | |
 | International Correspondence Schools - 1900 - 394 σελίδες
...its vertical position when the crank is on a dead center, is called the an9le of advance. In Fig. B, the valve is shown in its extreme position at the...left steam port, and from here on to the end of the s1roke no more steam could enter the left end of the cylinder; in other words, the valve cuts off at... | |
 | International Correspondence Schools - 1900 - 860 σελίδες
...just before the piston reaches the end of the stroke. The amount of lead is measured by the distance between the edge of the valve and the edge of the port from which the valve is traveling. In Fig. 673, the lead is the distance ab. Most engineers give their... | |
 | 1901 - 678 σελίδες
...of the wooden wedge, and inserting it in the opening or lead port, as shown in Figure 7, putting it between the edge of the valve and the edge of the port until it fits snugly, but not forcing it in, as that might compress the wood. When the wedge is home... | |
 | 1905 - 696 σελίδες
...just before the piston reaches the end of the stroke. The amount of lead is measured by the distance between the edge of the valve and the edge of the port from which the valve is traveling. In Fig. 673, the lead is the distance ab. Most engineers give their... | |
 | 1906 - 642 σελίδες
...The Locomotive. On other engines, the inner edge of the valve is cut away so that there is a space between the edge of the valve and the edge of the port when the valve is in mid-position, as shown FiG. 2 in Fig. 2. This space u is called the Inside clearance, or simply the... | |
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Fig. /», the valve is shown In its extreme position at the right. The distance marked m is the maximum port opening. It matters not whether the outer edge of the valve travels beyond the inner edge of the port or falls short of it, as in the... 
