The U.S. Patents of Nikola Tesla

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In the accompanying drawing, Figure is 40, top plan and Fig. vertical central sec- jtional view . Patented Oct. Y. o v . It has been customary heretofore foun­ íc tains and aquarian displays, project spouts, jets, sprays water from suitable fixtures, chiefly for decorative and beautify­ ing purposes. -'devised for the purpose.. Application filed October 28,1913. These objects are accom­ plished the displacement great vol- 80 ume fluid with relatively smáli expendi­ ture energy the production and mainte­ nance veritable waterfall distin­ guished from mere spout, jet spray. Specificatipu Letters Patent. 13,1914. FOUNTAIN.the top and pro- 50 rided with openings the bottom.UNITED STATES PATENT OFFICE'. Tn the hub inserted shaft rotatably sup­ ported ball bearings and carrying at its lower end friction pulley gear wheel 7. during the speed and securing smooth,and even overflow.practicable with the old and fa­ miliar devices. the lift inconsiderable, little power needed keep motion a 'great volume water and the impression 3$ produced the observer very striking. The underlying idea the invention can 85 carried out apparatus widely varied design, but the present instance the sim­ plest forms, which aware, are shown as embodiments the principle involved. 1,113,716. 797,718. The operation will readily understood.he propeller. increase the velocity the 03 intake t. . 4 illustrate fcortesponding views similar device ranch simpler construction.other compound, with central hub and coni­ cal conduit flared out at. To all whom may concern: Be known that citi­ zen the United States, residing New York, borough Manhattan, county, and 5 State New York, have invented certain new and useful Improvements Fountains, of which .the following full, clear, and exact description. Receptacle being filled the proper level 75 with water other fluid, and the power turned on, the propeller blades are set in rotation and the fluid, drawn through the openings -lifted the horizontal flared out top conduit until overflows the -r- form circular cascade. is thought unnecessary show these attach­ ments the drawing. iVith the vied’ still further economizing energy, the bottom receptacle may be shaped indicated the dotted, lines ,12, in Fig. un­ derstood that other means may employed. The latter funnel shaped for 'reasons' 33 of economy, and also for-the purpose re- . Openings may covered with removable drainers and receptacles may lie provided pi convenient connections, respectively, 35 for cleaning and renewing the liquid. Serial No.an appliance which have . the upper end the shaft fastened 55 casting preferably some non-corrosive alloy, with blades constituting screw which shown this instance the best known propelling device; but will be. Fig, and Fig. A motoi' suitably mounted as, go transmit through wheel 11, friction or otherwise, power the pulley 'wheel 7. MIKOLA TESLA. Invariably, the quantity 'of the issuing fluid was small and the pleasing 15 impression the eye was solely the result of the more less artistic arrangement pf the streamlets . About one tenth that delivered per minute will be, generally, sufficient. 45 Referring the first, represents re­ ceptacle any suitable material, metal, 'glass, porcelain, marble, cement .. Such a cascade presents singularly attractive ap- 105 pearanee and this- feature may still fur­ ther enhanced artistic grouping plants or other objects around it, which case the whole contrivance may hidden from view.and ornaments employed. Particularly beautiful displays, how- no ever, are obtainable illumination which may carried out many ways. To convey idea the results obtain­ able with small apparatus, properly de­ signed, may stated that applying only 1/25 horse-power the shaft and §5 assuming lift eighteen inches, more' -than one hundred gallons per minute may be propelled, the depth the fluid passing over the flared top conduit one foot in diameter, being nearly one-half inch. Incidentally, permits the realization beautiful and striking views through, illumination and the dispo- 25 sition voluminous cascades which, more- /over, may applied useful,purposes in ways not '. MEW YORK. The present invention departure from such practice that relies principally 20 the fascinating spectacle large mass of fluid'in motion and the display seem­ ingly great power. In order prevent the wetting the bearings shaft the central hub re­ ceptacle made project above conduit 3. ioo the circulation extremely rapid the total quantity liquid required comparatively small