Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 180
628. WEDDING ROTARY BLOWER.—A swinging winged cylinder moving in contactwith an outer shell. The wing rides in a slotin the shell with a cavity to give it freedom ofmotion. The central cylinder is driven by acrank-pin or eccentric on a shaft central with theshell … 629. FABRY ROTARY BLOWER. —Two wheels of three teeth each ro-tate in a two-part cylindrical case. Theteeth on and near the line joining the axismesh alternately for a part of a revolu-tion, so as to make a continuous clos-ure to the passage of air between thewheels.
Mechanical movements
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