0 lbs. by gauge. Before experimenting with the competing valves, the committee made a number of experiments with common safety valves of different sizes, the valves being carefully constructed, with knife-edge points of support for the lever and valve stem, as shown in Fig. 1. These experiments… … safety valves, that the lift decreased as the pressure at which 3. Annular safety valves, with two seats upon an annular the valve was set was increased; and by observing the areas opening (as shown in Fig. 4), with a view of obtaining a of openings, the Committee derive the following rule for cal-…
Patents · Iron · Inches · Valve · Boiler · Feet · Scientific American · Water · Sulphuric acid · Sheet iron · American patent · Compressed air · Alternate board · American supplement · Horse power · Safety valves · Patent office
Internet Archive · Public domain (published before 1931). Free to use for anything.
