Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 102
iary reservoir upon piston 8 forces it down-ward, unseating valve 10, and so permitting the air in the train brake-pipe to lift the check-valve 15, and discharge directly into the brake-cylinder; the check-valve 15 then immedi-ately closes and prevents the return of any air to the train brake-pipe.… … Fig. 1.—Quick-action triple valve. BRAKES. spring 22 may be compressed by a comparatively small difference in the air pressures uponthe sfdes of the piston 5, a small reduction only of air pressure in the train brake-pipe, ifquickly made, occurs before it is given access to the brake-cylinder…
Mechanical engineering
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