US1036003A - Water-wheel. - Google Patents

Description

D. B. REPLOGLE.

'WATER WHEEL APPLIOATION'IILBD JULY 7, 1909.

1,036,663., Patented Aug.20,1912

. DANIEL BENSON REPLOGLE, 'OF BERKELEY, CALIFORNIA.

' WATER-WHEEL.

. 1,03 ,003, Specification of Lettersfatent. Yatentgd A110, 29, 1912; Application filed July 7 190s. Serial No. 506,312.

To'aZZ whom it may concern: substituted by bolts if desired, but they are Be it known that I, DANIEL BENSON REP- preferably headless and tight-fitting, ex- LOGLE, a citizen of the United States, residtendin but little if any beyond the surface ing at Berkeley, in the county of Alameda of the .ugs. The main body of the bucket 50 5 and State of California, have invent-ed a is composed of two basins, 66 separated new and useful lVater-Nheel, of which the by a dividing jetty ridge 7, the vertex line following is a specification. of which ridge merges from a circumferen- This invention relates to improvements in tial direction or vertical position at .7 to a water ,wheels and buckets,.in the type of radial direction or level position in the vi- 5 10 wheel known as hurdy-gurdy or tangential; cinity of 7" and vanishes in an upwardly and the objects of the invention are, the curved position at the recurved tip of the elimination of improper angular obstrucbucket 5".' The axes of the basins of the tionscurtailing efficiency, the construction bucket converge from base to tip, the side of'every part of the exposed surface of the walls of each approximating an ovoid in 7 bucket so as to ofierlea'st resistance to air outline so that the capacity of each increases and water in revolving, to preserve the maxifrom tip to base. The curvatureat the bot mum etliciency throughout the arc of stream tom of each basin is graduallyfincreased engagement,.and to provide means for rigid from tip to base asshown in the cross sec-. attachment to the rim and solid impingement tion of one of the basins in Fig. 5. A 75 of: the several buckets to consecutive ones proper curvature for this part may beproon the entire periphery of the wheel. These jected or generated by using a circle 16 haw improvements are attained by the construcing a diameter of one sixth of the intended v ti'on herein set forth and illustrated in the long diameter of the basin, as an evolute and accompanying drawing, in whichthat part of the evolvent used lying beyond 30 Figure 1 is a side View of three consecuthe tanget X Y, thesaid tangent being extive buckets of a tangential water wheel, tended in both directions and. equaling in constructed and attached according to my lcngt-h'six times the diameter of said circle. invention, the action of 'the same being The transverse curvature of the bottoms of partly illustrated by dotted lines; Fig. 2, the basins may be similarly made as shown 35 a front view, partly in cross section of one in the curve 7 5 Fig. 2, the steeper part of of the buckets sectioned on the lin A B of the curve in the'transverse being in themid- Figs. 1 and 3; Fig. 3, a top plan view of the die, soas to more gradually lead the stream basins or .upper face of one of my buckets; which is to be divided to the reverse tan- Fig. 4, a top plan view of the connecting gential direction whence it came. The outer so lugs of the bucket secured to a portion of the end of the curves at 5, as well as the balance rim shown in crossrsection; Fig. 5 shows a of the external brims of the basins, termi cross section taken on the line C Dot Fig. nate in a vertical or an approximately ver- 3, and'respecially showin the longitudinal tical aspect when the bucket is placed in the curvature ofthebottom of the basin and the position shown in Fig. 2. The incurved 95 40 method for determiningsaid curvature; Fig. part of the brims meeting at 5 is gaged by 6 isa view in cross section o'f'portions of two means of a radius little greater than half consecutive buckets .taken' on the line E F the diameter of stream to be used; and the of Fig.4, and showing themethod of comaspect of the bottomwall at this point or pletingim'pingement between two conseculip is such as to be parallel to the stream 100 5 tive buckets; Fig. 7 shows a;wedge or key at the initial of its engagement therewith, used in securing the buckets; Fig. 8 shows and the exterior surface in that vicinity the details of a form of bolt and washer merges into a bottom splitting ridge or keel which may be used as an alternative means 8, the surface and vertex of which also for completing impingement merge into the circumferential ridge 8 which we Similar characters of reference refer to is adapted to register with the similar upper like or corresponding parts in the-several ridge of'a consecutive bucket as at 9', the Views. vertex being in a circumferential line of the The rim or disk 1 is fittedwith transverse wheel-plane. A bore hole 0 other opening ins 2, 2, etc., passing through drill holes 3 l 10 extends from the exterior of thebucket to 0 off the rim and corresponding holes in the l the hollow cavity 11 of the interior, whic lugs 4, t of the bucket. The pins may be cavity is made mainly for the purpose of lighter construction and added strength, it having no communication with the'basins of the bucket. A transverse groove 9 is cut in the registering facesof the bucket base and is communicated with by means of a bore hole 12 also leading to the interior 11. When .the buckets are placed in position these grooves form a transverse hole, which may be square, round or.other shape, and is adapted to receive an expanding bolt or other expanding material used for making solid attachment and perfect impingement. The attachment of the bucketis effected as follows: The lugs are shaped so that the 15, required number of buckets when placed on the rim of the wheel will approximately fit up as shown, the lug portions tapering on radial lines according to the curvature of the wheel. Each is first secured by the two 2a pins; then wedges or keys 15 are driven into the grooves 14 each being driven radially outward, throughout the circumference of thewheel. In this way all the buckets are forced to draw outward on the transverse pins 2, 2, etc., tightly gripping on the outer ends of said pins. While held in this ri id condition, transverse bolts having hea s as 17 may be inserted at 9, 9, etc., and with washer 17 placed on the shanks 18 may be as drawn tightly at 9 by means of a nut 19, so that impingement is maintained at a point outward of the pins and each bucket is held securely from rocking or shaking by the consecutive buckets between which it is placed. Instead of the transverse bolts last named, hot Babbitt metal may be poured through the-bores 10 and 12 and allowed to completely fill the groove 9and any possible space at 9 between the buckets, at the same so time filling any space as 13 which may exist 7 between the lower portion of the bucket base and the outer edge of the rim 1.

It is evident many of the details may be varied according to the size of the wheel on which the buckets are to be used; for example in large sized buckets asquare tubular hole would appear in place of thebore hole 10, and the inner sides of the lugs 4 might be bossed around the pins leaving a comparatively thin shell midway between the pins. It should be especially noted that impingement is effected well forward of the pins 2, 2, and approximately in the line of pres." IIG produced by the acting stream 20.

The babbitt used should have a sufiicient quota of antimony for to slightly expand during cooling vand said babbitt may even take the place of steel or iron in the wedges 15. The strain tending to spread the buckets on the rim, whether caused by driving the wedges radially, inserting taper bolts or pouring expanding metal, tends to increase the diameter of the circle or arch in which the buckets are arranged thus cramping each out against its transverse pins or bolts. This .by reason of their modifying the impact so as to extract the power of the stream without its hammering shock. In the operation of this bucket'it will be noted that at the initial part of its engagement the nearer half of the stream being received on a steep slope of the tip, by reason of the aspect of 30 the bucket, is largely directed backward, the main portion of it leavin at 6". The greater curvature due to the mvolute shape maintains greater degree of impact throughout this range, by reason of compensating 5 for decreasing radial distance from center of the wheel, and also'for the slowing effect due to the friction of the water itself on the concave surfaces of the basins. The widening ovoidshaped form of the outlines and the downwardly curving brims of the outer side walls also furnish increased facility for efllux of the used water, to compensate for increased volume due to the slowing effect of the surfaces, on the stream.' When 5 the bucket is receiving the further or outer half of the stream, its basins arein a crowded condition, and the front or tip walls now being brought to a more favorable-aspect for exit of the water, much of the latter water is discharged tangentially off the tips at 6, 6. The inner surface of the side boundary rim of the bucket, being adapted to return the water in a direction parallel to the impact, would have a tendency to throw it forcibly against the outside walls of the next succeeding bucket and thus interfere with the efficiency of the wheel, but this tendency is obviated by tapering the bucket rapidly from base to tip making the basins ovoid as aforesaid, so thatthe water discharged by any side portion of the rims of said basins when directed backward parallel to the impact stream aforesaid, will pass said succeeding bucket in a latitude where it is narrower than that part of the receding bucket whence it was ejecte The splitting ridge extending over the exterior bottoms of the buckets-tend to reduce wind resistance and also aid in voiding spray water, which may be deflected into the wheel by neighboring wheels or defective wheel pit arrangements. Should the impact stream be directed tangentially too close to the wheel, this construction of bucket is adapted to void the water with less resistance than in constructions heretofore used, so that greater efliciencies may be attained through a larger range of nozzle positions; thus obviating the difficulties due to slight mis: 33%

placements, of nozzle or wheel, at the time .,of installation, or afterward. When a broken bucket is to be replaced the babbitt 9 or expanding bolt 17 1s first forced out from between, adjacent buckets and one tobe removed, the wedges or keys are then backed out and finally the pins driven out, In

replacing, the pins are driven first, then the wedges and finally the babbitt 9 in, or expanding bolt placed.

Having thus described my invention, what I claim and desire to secure by Letters Patent is I a 1. In combination with a water-wheel rim of a series of peripheral buckets, lugs on having drill holes, a series of buckets with lugs having corresponding holes, pins extending through the holes and securing the buckets consecutively to the rim, bases on the buckets with hollow interiors and adapted to receive expanding metal to complete impingement of the buckets and force them into a eater circle cram in the 111 on in 7 P g the pins aforesaid as specific 3. In the bucket of a water wheel of the kind described, the combination of side walls having rims lying in curves dipping downward. of a horizontal plane -1ntermediate of the ends of the bucket outlining a 'pair' is poured of intersecting ovoid shaped basins, a divide ing jetty ridge separating said basins, said jetty ridge merging from a vertical position, to the axes of said oval basins to a level position longitudinal with res act to them and vanishing at the tip of the ucket,wlierc the small ends of the oval basins intersect, I

substantially as specified.-

4;. In the bucket of a water-wheel, side walls and bottom walls delineating'a pair of equal and similar intersecting basins, the

side Walls of each of said basins having surfaces conforming to involute curves increasing from sides inward as specified.

5. In a water wheel bucket of the kind described, side walls including a pair of ovoid shaped basins Widening from tip to base,

the bottoms of said basins increasing in curvature from tip toward base and from brim toward middle, and the outlines of said brims'curved outward and downward in conformity to the depth of the basins aforesaid as and for the purpose s ecified.

(3. In a water-wheel bucket ot the kind de" scribed, side walls and bottom walls, a base or lug portion from which said walls project and said Walls disposed to configure a pair of intersecting ovoid or egg-shaped basins with converging axes, their ampler ends con-- tiguous to the base portion of the bucket and the side walls having bruns dipping down,

ward of a plane horizontal to said axes and in partial conformity to the depth of the basins substantially as specified.

DANIEL BENSON REPLOGLE, \Vitnesses:

ELLIS C. WILSON, MABEL GOHRMAN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner or Patents,

, -Washington, D. 0. Y

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