Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 157
540. KNOTT ROTARY PUMP.-A hol-low winged cylinder within which an eccentricrevolves on an axis central with the shell, causingthe winged cylinder to wipe the inner surface ofthe shell. The small slotted cylinder makes apacking for the wing. … 541. PATTISON ROTARY PUMP.—A hollow winged cylinder in which an eccentric isrotated on an axis central with the outer shell.The piston and socket serve as a guide for thewing. HYDRAULIC POWER AND DEVICES. 147
Mechanical movements
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