US897962A - Hydraulic motor. - Google Patents

Description

No. 897,Q62. PATENTED SEPT. 8, M308.

W; R.- GLARKSoNl HYDRAULIG MoToR.-

APPLICATION FILE!) MAY 20, 1907.

Z SBBETS -SHEET 2.

stream, and the energy to the shore and from "wherever desired.

j same parts in all i orroris wrLnIAirn. oLAnKjsonoF Tanino, 'WASHINGTON HYDRAULIC Moron.v

To. 'all fwhm if mayconcern:

Be it known that 1I, WILLIAM R. CLARK-A soN, a citizen of the United States, residing at Tenin'o, Vinthe county of Thurston'and State of Washington, have invented anew and use- U which the following'. `isa specification. i

This invention relates to a hydraulic motor of the type known as current wheels in which a water wheel is rotated by the current of a derived therefrom carried by various-means to some .place of transformajtion.

` The object ofl theinvention is to provide a hydraulic motor comprising an unders'hot water wheel journaled on afloat connected by tension bars to an anchorage in such -manner that the float with its water wheel will always be held in line withthe flow of the, current, and that however high o r low the water in the stream may be, the depth of submergence ofthe water wheel will remain constant. Power is transmitted by belts, chains or other means from the water wheel thence by crank or belt In the accompanying drawings z-Figure 1 is a plan view ofthe motor complete. Fig. 2 is a side elevation of the same with a portion of the float broken away. Fig. 3 is a central section through the water wheel. Fig. 4y is a view 'of a detail part.

Similan numerals ofqreference indicate the the figures.

Attached to a shaft 1,.by means hereinaf- 'tcr described, is an undershot water wheel 2,

the shaft 1 being journaled in bearings 3 bolt ed oneach side ofa float 4 of any approved construction, but here shown in the form of a double scow open from end to end and connected together at each end 5, above 'the sur- A lface of the stream,

by suitable timbers which may be arranged'to form areceptacle 6 forl i ballast.

. Projecting outwardly from the bank 7 of the stream above the level of high water, and firmlyn anchored to said bank, are-two spaced 'beams 8, parallel to each other, on which are v the anchored beams '8 rigidly bolted aplurality of cross beams 9 the ends of which are shown projecting beyon for a short distance.

'On the down stream ends of the cross beams i .9 are bearings 10 in which is mounted a rotatable shaft 11. Pivotally. attachedV to the shaft 11 are two anchor bars 12, which extend from said shaft 11 to the water wheel n Specification of Letters Patent.

Application med May 20,1907.

' na'ledv on fixed bearings.

able position thereon is bolted a Patented Sept. 8, 19085.

Serial No. 374,645.

shaft 1 the bars beingy disposed on opposite sides of the float 4 and journale'd on'said shaft 1 near the outer face of each bearing 3.

The. anchor bars l2 are parallel to each otherand are each provided with a turn buckle 13 for increasing or decreasing the distance between the shafts 1 and 11. y v

Keyed to the shaft 11, a short distance beyond the anchor bars 12 are sheaves 14 aroundveach of which a rope, cable `or chain.

15 passes to similar sheaves 16 on the shaft 1 of the water wheel. By means of this transmission mechanism the energy derived from the floating water wheel is conveyed from athe rising and falling shaft 1 to the shaft ll1 jour- The direction of the current of the stream-1ndicatedby the arrow A-keeps the float 4 always on the.-

down stream side of the projecting anchor beams 8, and as the stream rises and falls, the float moves with it, swinging in an arc around the shaft 11 as an axis, the rope, cable or other power transmission being thereby always kept at the same tension by the anchor bars v12. Should the rope-belts 15 become slack, a few rotations of the turnbuckles will tighten them again;

lpon each anchored beam S in any suitbearing 17 for a cross shaft 18 provided with cranks 19, between the bearings 17, a belt wheel 20 on one end and a bevel pinion 21 kon the other. end.y The bevel pinion 21 is on the end nearest the shaft 11 and meshes with a similar pinion 22y onv said shaft. The power thus conveyed to the shaft 1.1 is distributed by the cranks 19 or the belt wheel 20.

The water wheel 2 which occupies the entire width ofthe space between the twin scows 4, except a clearance for the ends of the paddles, comprises two or more hubs 23 keyed Each hub is made of t'wfo circumferentially divided sections 25 and 26, duplicates of each other, and connected together in any suitable way. The hub sections are made somewhat disk shaped, each havingpa boss or hubv27 into which -a-fastening bolt 24 is The abutting face of each hub section is pro d vvided with a series of equally spaced radial slots 28, which, when the sections are brought together, form suitably shaped sockets for the inner ends of tubular or rod like spokes 29 the Outer ends of which are curved away from the direction of rotation of the water wheel 2, *as clearly represented in Fig. 1. When the or bolted to the shaft 1l by bolts 24.

threaded.

.- of the vother hub or hubs.

hubs 23 are assembled on the shaft 1 the spokes 29 of each hub are alined With those yFixed to the curved ends of each series of alined spokes 29 is a paddle 30 bent to the same arc as the ends of the spokes and fastened thereto preferably by Ufsha ed bolts 31. By shaping the paddles as a ove described, they move more quietly and easily through the water, and withdraw therefrom with less friction than would be the case with radially disposed paddles, as they do not lift the water in their upward iiight.l The spokes radiating from each hub are braced by means of a concentric ring 32 fastened to each spoke by a U- shaped bolt 33.

The o eration of the hydraulic motor may be readi y understood from the above de! scription and it is only necessary to add that the water Wheel will rotate as Well when the Water in the stream is so low that the anchor bars are approximately perpendicular as when theyare nearlyhorizontal; the

speed and power obtainable from the motor depending however upon the force of the current. by means of ballast laced onv the float which will cause more or ess of the Width of th paddles to be submerged.

Having' thus described the invention what is claimed iszl f.

'Ihe combination With a lined structure i disposed to be secured upon the banky of a This can be regulated in a measure f stream and to overhang the stream; of a float, longitudinally adjustable anrror bars connecting the oat with the side ortions of the liXed structure, said :float and ars being extended in the direction of movement of the stream, a drive shaft journaled upon the float, oppositely vdisposed concave-convex disks u on the shaft and arranged in pairs, said disks having registering grooves in their adjoining faces, spokes Within the grooves, means extending through the disks and engaging the shaft for holding the disks in frictional engagement with the spokes, each of said spokes having a curved terminal portion, transversely curved 'blades parallel Witl -e the shaft and secured u on-the curved ortions of the spokes, sai portions exten( ing transversely of the blades and constituting reinforcements therefor, a lbrace ring connectedto each set of spokes, a driven shaft journaled upon the overhang-ing frame-and Ineens l for transmitting motion from the drive shaftv to the driven shaft, said means being disposed to be tightened by the adjust.- ment of the anchor bars.

In testimony that I claim the foregoing asmy own, I have hereto alhxed my signature in the presence of two Witnesses.

WILLIAM R. CLARKSON.

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