US498905A - Bowie - Google Patents

Description

(No Model.) l

R. M. SHAFFBR, WATER -MOTR.

No. 498,905. Patented June 6, lgslm UNITED STATES PATENT OFFICE.

RICHARD M. SII'AFFER, OF BALTIMORE, MARYLAND, ASSIGNOR TO CHARLES W. KENNARD AND WASHINGTON BOWIE, OF SAME PLACE.

WATER-MOTO R.

SPECIFICATION forming part of Letters Patent No. 498,905, dated June 6, 1893. Application filed October 23, 1891. Serial No.409,597 (No model.)

T0 @ZZ whom t-ma/y concern:

Be it known that I, RICHARD M. SHAFFER, a citizen of the United States, residing at Baltimore,in the State of Maryland, have invented certain new and useful Improvements in Water-Motors, of which the following is a specification.

The object of my invention is to produce a jet motor capable of` being operated with a minimum amount of water without waste and that can be constructed at aless cost than those made in the usual manner and to this end I construct the same as fully set forth hereinafter and as illustrated lin the accompanying drawings, in which- Figure 1 is a sectional elevation of a jet water motor embodying my invention. Fig. 2 is a transverse sectional elevatlon. Flg. 3

is a view illustrating a modification.

The casing A of the motor may consist of two side disks 1, 1, and an intervening rim 2, as shown in Figs. l and 2, or it may consist of two pieces stamped up to form two sections 3, 3, connected together edge to edge as shown in Fig. 3. In either case there is a shallow box or casing preferably round and transversely through this casing passes a shaft 4, which carries the wheel B, and is externally, provided with a pulley 5, for the reception of the band or cord.

The wheel B,is provided with blades which are made integral with the wheel and formed by radially slitting a disk 6, of thin metal for any desired distance from the edge and then twisting each section between two radial slits to bring it upon a plane at right angles to the disk and bending the alternate sections to the left and right so as to form two series of blades 8, 9, upon opposite sides of the plane of the disk and each substantially at right angles to said plane. By this means I provide awheel in which the body and the buckets are integral with each other so that the buckets cannot become detached by imperfect connections and I avoid the expense incident to making the buckets of separate pieces and securing them to the body. I further secure a lighter structure than'would be possible if the blades were made in separate parts and secured to the body byseparate fastenings. While the wheel may be made by slitting a disk by means of hand tools and bending the sections with pinchers a great reduction in cost may be secured by the use of suitable stamps and dies that cut or slit and bend the parts at a single blow.

Instead of acting upon both series of blades with asingle broad stream all parts of which cannot act effectively I divide the stream into separate small jets one for each series of blades and project the same tangentially but at about right angles to the faces of the blades whereby each blade in succession receives the full force of the stream that acts upon it and as the blades of the two series are arranged alternately one stream is always acting with full force so that there is comparatively little loss of eective action by the transfer of a stream from one blade to the next following while as the water is divided into small streams the full force of every particle of each stream is secured and there is no waste.

If desired the sections between the slits of the disk may be so bent as to form three series of alternating blades two 8and 9, being bent to opposite sides while the intermediate se-V ries occupy a radial position on the blade between the other two forming a third series of vblades l0, as shown in Fig. 3. In such case the incoming water is divided into three jets one in each series of blades.

While the streams may be conducted into the interior of the casing and formed by the use of any suitable nozzles I prefer in consequence of the economy of manufacture to make use of a block of metal or other suitable material C, bored at an angle to form channels 12, corresponding to the number of jets requiredall of said channels communicating with a recess 13, threaded to receive a threaded nipple 14 upon the casing of a cock D, that connects with the inlet pipe A16.

The block C is placed beneath the recess in the peripheral part of the casing, and thenipple 13 is passed through said recess into the threaded opening in the block, when the casing of the cock is turned until the periphery of the casing A, is tightly clamped between the casing of the cock and the block C, and the latter is drawn tight and close. By this means the block and the cock are secured in position and a tight joint is formed which if desired may be luted or packed. At any suitable point in the periphery of the casing is an opening az, for the escape of the luid after it has acted upon the blades. V

Without limiting myself to the precise construction andarrangement of parts shown and described, I claim- The combination of the casing, the wheel having two or more series of blades, the channel block C having a nozzle for each series of blades, and a cock D, having a nipple extending through the side of the casing and into said block, substantially as set forth.

In testimony whereof I have signed my naine to this specification in the presence of two subscribing Witnesses.

RICHARD M. SHAFFER.

Witnesses:

THos. M. DOBBIN, WILLIAM I-I. BERRY.

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