Page:Motors and motor-driving (1902).djvu/151

to the atmosphere through the holes at h. The construction of the silencer can easily be followed from the illustration.

Fig. 13 depicts the second type of silencer, which almost explains itself, i is a cylindrical steel body fixed to the end

Fig. 12.—Silencer

plates g and h. This body contains the baffle plates a, b, c, d, e, and f. The exhaust gases are seen entering the silencer through the exhaust pipe. The direction which they take through the baffle plates is shown by the arrows, and it

Fig. 13.—Silencer

will be seen that the pressure is reduced in each succeeding compartment in the cylinder. The bolt j, passing through the centre, serves to hold the silencer together and to resist the pressure of the gases.