US675772A - Water-motor. - Google Patents

Water-motor. Download PDF

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Publication number
US675772A
US675772A US71481499A US1899714814A US675772A US 675772 A US675772 A US 675772A US 71481499 A US71481499 A US 71481499A US 1899714814 A US1899714814 A US 1899714814A US 675772 A US675772 A US 675772A
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Prior art keywords
blades
motor
chain
water
blade
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US71481499A
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Allen Ferguson
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BENJAMIN G MULLINS
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BENJAMIN G MULLINS
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F03B17/065—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having a cyclic movement relative to the rotor during its rotation
    • F03B17/066—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having a cyclic movement relative to the rotor during its rotation and a rotor of the endless-chain type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Definitions

  • This invention relates to that class of watermotors known as current-motors, which receive power from a streamof water owing horizontally by continuously presenting to it' in consecutive order a series of blades obstructing the flow ofthe current.
  • My object is to provide a cheap and con venient water-motor which may be floated on streams and anchored at any convenient point ready for work, one which shall be simple in construction, consisting of few parts, and one requiring no great skill for its construction and management.
  • FIG. 1 is a side elevation of my motor, the dotted lines showing itin its inoperative position.
  • Fig. 2 is a front view thereof with the sprocket-chains and propelling-blades and the front end section of the float removed.
  • Fig. 3 is a rear elevation of a part of one of the blades, showing the means by which the blades are attached to the sprocketchains and the manner of attaching the upper ends ofthe intermediate chains.
  • Fig. 4 is a top view illustrating the same, but with the sprocket-link shown in Fig. 3 omitted.
  • Fig. 5 is aperspectiveview of the sprocketlink and the bolt shown in Fig. 3.
  • the numeral 1 designates the lioat, which may be made of lumber or logs. It is thought that a good size to make this ioat would be about three feet wide, eighteen inches deep, and thirty-four feet long. However, 1 do not wish to limit myself toany particular size of iioat or motor and simply mention thisby way of suggestion, as the size will be determined by the size of the stream upon which Serial No. 714,814. (No model.)
  • the numeral 3 designates the frame of the motor proper, which frame is composed of sides 4, a rear end, and transverse strengthening-bars 6, said bars being received at .either end by mortises 7, Fig. 1, in the sides of the, frame.
  • a shaft 8 Extending across the frame 3 near its front end is a shaft 8, suitably journaled in the sides of said frame and carrying two sprocketwheels 9, rigidly attached thereto, and a driving-pulley 10 on the outer end of the shaft, which extends outwardly through one of said rsides 4 a sufficient distance to receive said pulley.
  • a shaft 11 Extending across the rear part of vsaid frame 3 and suitably journaled in the two sides thereof is a shaft 11, on .which are mounted ⁇ near either end two larger chain- ⁇ wheels 12, which are provided with flanges 13.
  • each cut-away portion and on the rear side of the blade are transverse cleats 18, secured by screws, bolts, or .other-preferred means.
  • the cleats areprovided with cut-away portions sufficient to receive 4bolts 19, Figs. 3 and 4, which lie against the rear sides of the blades and extend across the cutaway portions 17.
  • the heads 19a of the bolts 19 are partly received by suitable recesses 20 in the blades, Fig. 4.
  • the end of each bolt 19 is bent at a right angle to the main section thereof, and this end passes through a hole IOO 2l in the blade to the front side of said blade,
  • each chain 22 serves as stays when the motor is in operation.
  • the upper end of each chain 22 is attached to one of the bolts 19, between the bent end thereof and the adjacent cleat, as shown in Figs. 3 and 4.
  • a small recess 16 in the blade accommodates the end of the, link which is received upon each bolt.
  • the bolts 19 may have one-half or more of the diameter of each embedded in the blades 16, if found desirable, in which case a suitable recess would be provided in each blade and the recesses in the cleats 18 would be correspondingly less.
  • each bolt 19 which extends across the cut-away portion 17 of its blade 16 is adapted to be attached to one of the sprocket-chains and to connect the blade operatively to said chain, as follows: At each point where it is desired to attach one of the blades to one of the sprocket-chains said chain is provided with a link 15". (Illustrated in Fig. 5.) The side sections of this link extend upwardly, and at the top of these extensions and ⁇ integrally attached thereto are bearings 15, adapted to receive the corresponding bolt 19, which works as a pintle therein. The bolt 19 is passed into its bearings 15b before its end is bent at an angle, as shown.
  • each blade is provided near either end thereof with one of these chains.
  • the forward end of each chain is attached to one of the blades, near its top, by one of the bolts 19, as illustrated in Figs. 3 and 4.
  • the rear end thereof is provided with an eyebolt which passes through an aperture at the lower side of the succeeding blade and receives a nut 22, Fig. l.
  • the vertical chain-supports 14 carry at their upper and lower ends transverse shafts 23, suitably journaled at either end in said supports. Rigidly attached to said shafts near their ⁇ ends are idlers 24, provided with flanges 25.
  • the vertical supports 14 extend upwardly and downwardly a sufficient distance to bring the wheels 24 into engagement with the sprocket-chains 15 when said chains .are in their operative position on their respective sprocket and chain wheels, as shown in Fig. 1.
  • the office of said vertical supports, with their wheels, is to prevent the top part of each chain from sagging, and more especially to prevent the lower side from being borne up by the current when t-he motor is running.
  • the rear end of the frame 3 is provided with a staple 26, designed to receive the hook of the block and tackle or other mechanism employed to hoist or lower the rear end of the motor.
  • the pivot-shaft 2 near the front end of the Iioat passes through apertures in the front ends of the sides 4 of the motor-frame, and said frame is thereby held in its proper' relation to the fioat and readily permits of its rear end being raised or lowered.
  • Vhen it is desired to diminish the speed of the motor, this is accomplished by elevating the rear end of the frame 3, which diminishes the area of resistance offered to the Ilow of the stream.
  • the rear end'of the frame 3 is simply elevated till the blades are practically raised out of the water.
  • the block and tackle preferably used for this purpose may be suspended from a cross-bar supported by two vertical beams, (not shown,) which rest upon the rear part of the lioat, or by other suitable means.
  • the organization is such that the simple fiat frame 3, being normally horizontal, as shown in full lines in Fig. 1, supports the shafts of the sprocket wheels and relatively large chain-wheels in substantially one and the same plane, and at the same time, owing to said relation of the wheels, the blades are effectively opposed to the water at different depths, so as to be simultaneously acted on by the current.
  • the chain-supports between the sprocketwheels and chain-wheels being vertical and double-ended, as shown, the strain on one of each pair of their wheels is balanced by the strain on the other, and the reinforcement that would otherwise be necessary is avoided.

Description

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UNITED STAT-Es- PATENT OFFICE.
ALLEN FERGUSON, OF GLENNS FERRY, IDAHO, ASSIGNOR'OF THREE- FOURTHS TO BENJAMIN G. MULLINS, OF BLISS, IDAHO.
WATER-MOTOR.
SPECIFICATION forming part of Letters Patent N O. 675,772, dated J' une 4, 1901.
Application filed April 28, 1899.
.To all whom it may concern:
Be it known that I, ALLEN FERGUSON, a citizen of the United States of America, and a resident of Thousand Springs, (Hagerman P. 0.,) formerly of Glenns Ferry, Lincoln county, in the State of Idaho, have invented a new and useful Improvement in Water-Motors, of which the following is a specilication.
This invention relates to that class of watermotors known as current-motors, which receive power from a streamof water owing horizontally by continuously presenting to it' in consecutive order a series of blades obstructing the flow ofthe current.
My object is to provide a cheap and con venient water-motor which may be floated on streams and anchored at any convenient point ready for work, one which shall be simple in construction, consisting of few parts, and one requiring no great skill for its construction and management.
The nature of my invention will be set forth in the following specification and pointed out in the claims, the accompanying drawings forminga part of thisspecification.
For convenience of reference like numerals will refer to like parts throughout the vari ous figures of the drawings, in which- Figure 1 is a side elevation of my motor, the dotted lines showing itin its inoperative position. Fig. 2 is a front view thereof with the sprocket-chains and propelling-blades and the front end section of the float removed. Fig. 3 is a rear elevation of a part of one of the blades, showing the means by which the blades are attached to the sprocketchains and the manner of attaching the upper ends ofthe intermediate chains. Fig. 4 is a top view illustrating the same, but with the sprocket-link shown in Fig. 3 omitted. Fig. 5 is aperspectiveview of the sprocketlink and the bolt shown in Fig. 3.
The numeral 1 designates the lioat, which may be made of lumber or logs. It is thought that a good size to make this ioat would be about three feet wide, eighteen inches deep, and thirty-four feet long. However, 1 do not wish to limit myself toany particular size of iioat or motor and simply mention thisby way of suggestion, as the size will be determined by the size of the stream upon which Serial No. 714,814. (No model.)
the motor operates and by the amount of power desired to be obtained. Neither do I limit myself herein to any particular material to be used in the construction of any of the parts of my motor. Extending across the float between its two sides and near the front end thereof is a pivot-shaft 2, securely anchored at either end in said iioat.
The numeral 3 designates the frame of the motor proper, which frame is composed of sides 4, a rear end, and transverse strengthening-bars 6, said bars being received at .either end by mortises 7, Fig. 1, in the sides of the, frame.
Extending across the frame 3 near its front end is a shaft 8, suitably journaled in the sides of said frame and carrying two sprocketwheels 9, rigidly attached thereto, and a driving-pulley 10 on the outer end of the shaft, which extends outwardly through one of said rsides 4 a sufficient distance to receive said pulley. Extending across the rear part of vsaid frame 3 and suitably journaled in the two sides thereof is a shaft 11, on .which are mounted `near either end two larger chain- `wheels 12, which are provided with flanges 13.
.either side of each cut-away portion and on the rear side of the blade are transverse cleats 18, secured by screws, bolts, or .other-preferred means. The cleats areprovided with cut-away portions sufficient to receive 4bolts 19, Figs. 3 and 4, which lie against the rear sides of the blades and extend across the cutaway portions 17. The heads 19a of the bolts 19 are partly received by suitable recesses 20 in the blades, Fig. 4. The end of each bolt 19 is bent at a right angle to the main section thereof, and this end passes through a hole IOO 2l in the blade to the front side of said blade,
where it receives a nu t. Intermediate chains 22 between successive blades serve as stays when the motor is in operation. The upper end of each chain 22 is attached to one of the bolts 19, between the bent end thereof and the adjacent cleat, as shown in Figs. 3 and 4. A small recess 16 in the blade accommodates the end of the, link which is received upon each bolt. Of course the bolts 19 may have one-half or more of the diameter of each embedded in the blades 16, if found desirable, in which case a suitable recess would be provided in each blade and the recesses in the cleats 18 would be correspondingly less.
That part of each bolt 19 which extends across the cut-away portion 17 of its blade 16 is adapted to be attached to one of the sprocket-chains and to connect the blade operatively to said chain, as follows: At each point where it is desired to attach one of the blades to one of the sprocket-chains said chain is provided with a link 15". (Illustrated in Fig. 5.) The side sections of this link extend upwardly, and at the top of these extensions and `integrally attached thereto are bearings 15, adapted to receive the corresponding bolt 19, which works as a pintle therein. The bolt 19 is passed into its bearings 15b before its end is bent at an angle, as shown. Next the end link of an intermediate chain 22 is passed over the bent end of the bolt, and said end is then passed through the corresponding hole 2l and the nut screwed on. Then the cleats are secured in proper position. One end of each blade is attached to one of the sprocket-chains and the other end to the opposite chain, so that the blades are transversely disposed between the two chains. Said propelling-blades being attached to said chains 15, as shown, it is apparent that the blades on the under side of the chain will hang down in the position shown in Fig. 1, so that when the motor is in its operative position-that is, with its front end turned upstream-the surface of each blade will form a plane transverse to the iiow of the stream and at right angles to the plane formed by the surface of the water. In order to hold the lower flight of blades in this position, the intermediate chains 22 are employed. As already intimated, each blade is provided near either end thereof with one of these chains. The forward end of each chain is attached to one of the blades, near its top, by one of the bolts 19, as illustrated in Figs. 3 and 4. The rear end thereof is provided with an eyebolt which passes through an aperture at the lower side of the succeeding blade and receives a nut 22, Fig. l.
The vertical chain-supports 14 carry at their upper and lower ends transverse shafts 23, suitably journaled at either end in said supports. Rigidly attached to said shafts near their `ends are idlers 24, provided with flanges 25. The vertical supports 14 extend upwardly and downwardly a sufficient distance to bring the wheels 24 into engagement with the sprocket-chains 15 when said chains .are in their operative position on their respective sprocket and chain wheels, as shown in Fig. 1. The office of said vertical supports, with their wheels, is to prevent the top part of each chain from sagging, and more especially to prevent the lower side from being borne up by the current when t-he motor is running.
The rear end of the frame 3 is provided with a staple 26, designed to receive the hook of the block and tackle or other mechanism employed to hoist or lower the rear end of the motor. The pivot-shaft 2 near the front end of the Iioat passes through apertures in the front ends of the sides 4 of the motor-frame, and said frame is thereby held in its proper' relation to the fioat and readily permits of its rear end being raised or lowered.
IVhen it is desired to put the motor into operation, it is suitably anchored or made fast with the front end upstream. The rear end of the frame 3 is then lowered till the sides 4 of said frame lie along-the surface of the water, and since the chain-wheels at the rear of the frame are of a much greater diameter than the sprocket-wheels at the front it follows that each propelling-blade sinks deeper into the water than the one in front of it, and each blade on the lower side of the chains being held by its intermediate chain 22 in such position as to present a broadside to the current of the stream said blades present a large area of resistance and are elfectively acted on by the water. When by the rotation of the wheels the blades are raised out of the water, they fold down on the top of the sprocketchains, as shown in Fig. 1.
Vhen it is desired to diminish the speed of the motor, this is accomplished by elevating the rear end of the frame 3, which diminishes the area of resistance offered to the Ilow of the stream. When it is desired to stop the motor, the rear end'of the frame 3 is simply elevated till the blades are practically raised out of the water. The block and tackle preferably used for this purpose may be suspended from a cross-bar supported by two vertical beams, (not shown,) which rest upon the rear part of the lioat, or by other suitable means.
The organization is such that the simple fiat frame 3, being normally horizontal, as shown in full lines in Fig. 1, supports the shafts of the sprocket wheels and relatively large chain-wheels in substantially one and the same plane, and at the same time, owing to said relation of the wheels, the blades are effectively opposed to the water at different depths, so as to be simultaneously acted on by the current.
The chain-supports between the sprocketwheels and chain-wheels being vertical and double-ended, as shown, the strain on one of each pair of their wheels is balanced by the strain on the other, and the reinforcement that would otherwise be necessary is avoided.
Having thus described said improvement,
IOO
IOS
IIO
ing links of blades having recesses in their upper edges near each end thereof, bolts extending across said recesses and through said links, each bolt having a right-angled end eX- tending through the blade, a link encircling each bolt near said right-angled end, and suitable means for holding said bolts in position on the blades, substantially as hereinbefore specified.
In testimony whereof I have affixed my signat-ure in presence of two Witnesses.
- ALLEN FERGUSON. Witnesses:
JAS. JlIoGroNIeLEj P. M. SULLIVAN.
US71481499A 1899-04-28 1899-04-28 Water-motor. Expired - Lifetime US675772A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11813221B2 (en) 2019-05-07 2023-11-14 Therabody, Inc. Portable percussive massage device
US11857481B2 (en) 2022-02-28 2024-01-02 Therabody, Inc. System for electrical connection of massage attachment to percussive therapy device
US11890253B2 (en) 2018-12-26 2024-02-06 Therabody, Inc. Percussive therapy device with interchangeable modules
US11957635B2 (en) 2015-06-20 2024-04-16 Therabody, Inc. Percussive therapy device with variable amplitude

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11957635B2 (en) 2015-06-20 2024-04-16 Therabody, Inc. Percussive therapy device with variable amplitude
US11890253B2 (en) 2018-12-26 2024-02-06 Therabody, Inc. Percussive therapy device with interchangeable modules
US11813221B2 (en) 2019-05-07 2023-11-14 Therabody, Inc. Portable percussive massage device
US11857481B2 (en) 2022-02-28 2024-01-02 Therabody, Inc. System for electrical connection of massage attachment to percussive therapy device

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