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Embury Mclean
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11,848. McLean, E. June 6. Pressure - regulating valves.-In a valve used in apparatus for regulating the air supply and the chimney draught of a steamboiler furnace, a column of water in a pipe g<10> exerts pressure on a diaphragm a<10>, the movements of which are regulated by a light spring e<10>.
GB190511848D1905-06-061905-06-06Improved Method of and Apparatus for Regulating Furnace Draught
ExpiredGB190511848A
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