Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 609
he pressure exceeds the normal, the 55° MECHANICAL ENGINEERING OF POWER PLANTS. weight will be overcome; when it falls below the normal, thefall of the weight will move the piston the other way. Themotion of the piston, which can also be made a diaphragm offlexible metal, can be attached to the… … Fig. 466. admit the pressure which operates the damper, upon one sideor another, of the mechanism which moves the latter (Fig.466). This may be the water-pressure of the city mains, or BOILER-SE T TING, 5 5 I it may be the pressure from the boiler of the steam or waterin the boiler itself. 283. The…
Mechanical engineering · Steam power plants
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