Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 156
535- GARY ROTARY PUMP.—A rotat- ing drum concentric with the outer fixed cylinderand a fixed heart-shaped^cam groove in which thesliding wings are guided. A stop, E, closes thesuction and force side of the chamber. The formof the outer cylinder wall is spiral. … 536. VACUUM JET CONDENSER AND ROTARYPUMP.—The jet in the vacuum chamber is regulated bythe valve. The rotary pump, being entirely immersed inthe water below, is water-packed. «o 146 HYDRAULIC POWER AND DEVICES.
Mechanical movements
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