US97610A - Improvement in water-wheel scroll-chutes - Google Patents
Improvement in water-wheel scroll-chutes Download PDFInfo
- Publication number
- US97610A US97610A US97610DA US97610A US 97610 A US97610 A US 97610A US 97610D A US97610D A US 97610DA US 97610 A US97610 A US 97610A
- Authority
- US
- United States
- Prior art keywords
- water
- improvement
- chutes
- scroll
- wheel scroll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 101710024788 HOMER1 Proteins 0.000 description 2
- 241001314285 Lymantria monacha Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000994 depressed Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
Images
Classifications
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/02—Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines
Definitions
- imy invention consists m the coni struction of a scroll for Water-wheels ;Z and in order to ⁇ enable others skilled inthe art to which my invention appertains, ⁇ to make y and use the same, ⁇ I
- Figui-ell isa plan view
- Figure 2 a sideview.
- Figure' isla vertical section,'through 'lineas af, iig.
- Figure 4 is a vertical Ase tion, through' li'ne y y,
- the top 4B ofthe scroll is semi-oval, and graduates down toa fiat top during thelast quarter of the cu-rb, and its back, G, is slightly bevellel, by which means the water is brought down to its work.
- the bottom D is bevelled, and graduates in such a manner thatthe angle it forms with the back Vis gradually inceased and the width of the bottom gradually lessened, so that at the 'fourth quarter, or rather, the last portion of the fourth quarter, the bottom becomes perpendicular, thus holding the water upon a natural angle while running ⁇ around a curvature, there-I by causing less friction an'd' giving more power, and at thesame time holdingthe water in a solid body, and speedily repairing the breakage of the* water broken by the buckets, or from any other cause. ⁇
- the bevelled bottom also gives less impediment to the power of the water-wheel while running in back water.
- the bottom D may, in addition to its being bevelled, also be concave or depressed inwardly, which depression will also gradually decrease, until, as above stated, the bottom becomes perpendicular.
Description
,stent @titille nonne LH. cUMMues, on NFIELD, NEW HAMPsHiRE,
Letters Patent N 97 ,(7510, dated December 7 1869.
IMPROVEMENT nv WATER-WHEEL SCROLL-encres.
The .Scheduleefen'ed to in these Letters Patent and making part of the same.
To all whom it 'ma/y concern:
` `Be it known that I, HOMER H. CMMIGS, of Enield,'in the county of Grafton, and in the State of New Hampshire, have invented certain new and use-` ful Improvements `in Scrolls for WaterfWheels; and
` do hereby declare thatlthe following 'is afull,vclear,
and exact description thereof, reference being had to the accompanyingdrawings, and to the letters of reference marked thereon, making apart of this speciiicntion. y
The nature ofimy invention consists m the coni struction of a scroll for Water-wheels ;Z and in order to `enable others skilled inthe art to which my invention appertains,` to make y and use the same, `I
will now proceedto describe its' construction and' operation, referring to the annexed drawings, in
Figui-ell isa plan view, and
Figure 2, a sideview.
Figure' isla vertical section,'through 'lineas af, iig.
Figure 4 is a vertical Ase tion, through' li'ne y y,
` tion and formation ofthe curb.
`The inlet A, into the scrollis so constructed, at the point where the water strikes the first bucket, as to contain a quantity `of water equallingor exceeding fiveeighths of -the whole amount used,.above the middle of the buckets, which continues around three-fourths of the circumferenceof the curb, or more.
The top 4B ofthe scroll is semi-oval, and graduates down toa fiat top during thelast quarter of the cu-rb, and its back, G, is slightly bevellel, by which means the water is brought down to its work.
The bottom D is bevelled, and graduates in such a manner thatthe angle it forms with the back Vis gradually inceased and the width of the bottom gradually lessened, so that at the 'fourth quarter, or rather, the last portion of the fourth quarter, the bottom becomes perpendicular, thus holding the water upon a natural angle while running `around a curvature, there-I by causing less friction an'd' giving more power, and at thesame time holdingthe water in a solid body, and speedily repairing the breakage of the* water broken by the buckets, or from any other cause.`
The bevelled bottom also gives less impediment to the power of the water-wheel while running in back water.
The bottom D may, in addition to its being bevelled, also be concave or depressed inwardly, which depression will also gradually decrease, until, as above stated, the bottom becomes perpendicular.
Having thus fully described my invention,
` What I claim as new, and desire to secure by Let#v ters Patent, `iss-- A scroll-curb for water-wheels, having a graduating semi-oval top, a nd.a graduating bevel or slightly concave bottom, substantially as shown and described.
In testimony that I claim the foregoing, I have hereunto set my hand, this 18th day of August,
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US97610A true US97610A (en) | 1869-12-07 |
Family
ID=2167071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US97610D Expired - Lifetime US97610A (en) | Improvement in water-wheel scroll-chutes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US97610A (en) |
-
0
- US US97610D patent/US97610A/en not_active Expired - Lifetime
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