Hydraulic motors, with related subjects, including centrifugal pumps, pipes, and open channels, designed as a text-book for engineering schools (1905)
Church, Irving Porter, 1851-1931 · New York : J. Wiley & Sons; [etc, ] · leaf 206
valve/ aslight motion of which from its normal position causes ad-mission of oil (under pressure) to actuate the hydraulic plungersof a relay-valve device, whose motion causes movement ofthe main valve. The office of the main valve is to admit o\from a pressure-tank to one side, or the other, of… … Fig. 85. The Lombard N Governor. § 104a. TURBINE REGULATION. 167 A pressure-tank (not shown in the figure) contains com-pressed air and oil under about 200 lbs. per sq. in. pressure andsupplies oil for the main, and relay, hydraulic cylinders. Pumpsrun by the turbine itself pump the oil back into…
Hydraulic machinery
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