US85536A - Improved steam-engine - Google Patents
Improved steam-engine Download PDFInfo
- Publication number
- US85536A US85536A US85536DA US85536A US 85536 A US85536 A US 85536A US 85536D A US85536D A US 85536DA US 85536 A US85536 A US 85536A
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- United States
- Prior art keywords
- steam
- engine
- chest
- pinion
- cylinders
- 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
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- 238000010276 construction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F01B3/04—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces
Definitions
- 'lwo or more cylinders, lbored and fitted with pistons are mounted on a large shaft or hub, and suspended on bearings, so as to revolve freely as a wheel.
- the frame marked A, iig. 1, in which the works are to be hung, maybe made in form to suit the situation or taste ofthe builder.
- B is a driving-drum, to carry a belt, and also supports the cylinders and chiving-pinions.
- E is a driving-pinion, and carries ,the whole works as it revolves around the stationary toothed rim, (seen v beyond the drum at F.) Said rim ishxed to the framework, and pinion E revolves around it.
- Gr the steam-chest, through which steam is conveyed to and discharged from the cylinders.
- R is the face-plate of the steam-chest, with its rectangular openings, through which the steamrpasses to the cylinders.
- the screw in the centre forms a proje'cting point on nicely faced oi' and tted to receive it, making a steamtight joint; and a passage to each cylindeil in the face of the hub conveys steam from the steam-chest to the cylinders, as the ports pass each other as th-e hub revolves, the steam-chest being stationary.
- the back division of the steam-chestis a single chainber, collecting the steam to the escape-port.
- H is the enter-port, and passes through the centre of the steam-chest to the face-plate, thence diverging to three passages through thelfaceeplate; but these passages are closed by the force of the hub,'except when a cylinder-portpasses before them.
- a screw, N is provided at the oppo- ⁇ site end of the aor1e, at the bracket O, which supports the driving-pinion P.
- L is alever, which, in conjunction with the hooked constructed and operated as.
- X is a connecting-rod, between the piston-sham, causing them to work in unison; that is, when one is forced ont by the steam, the connecting-rod brings the other home to its place, driving the escaping steam before it. 4
- My engine may l made with any even number of cylinders, for which room can be found in the circle of the drum, but sincethe cylinders can be increased in size, at pleasure, I consider two as good as more.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Description
anita-r Letters Patent No. 85,536, dated Janna/ry 5, 1869.
M IMPRovED STEAM-ENGINE.
'.l'he Schedule' referred to in these Let-ters Patent and making part of the same.
To all whom it ma/y concern:
Beit known that I, HORACE RocKwnLL, of the town of Roanoke, Jackson township, in the county of Huntington, and State of Indiana, have invented a new and improved Plan for the Construction of Steam-Engines; and I do declare the following to be a clear and full description thereof, reference being had to the accompanying drawings, and letters of reference marked thereon.
The principle of my engine may be stated to be a rotating cylinder-engine, follows:
'lwo or more cylinders, lbored and fitted with pistons, are mounted on a large shaft or hub, and suspended on bearings, so as to revolve freely as a wheel.
The frame marked A, iig. 1, in which the works are to be hung, maybe made in form to suit the situation or taste ofthe builder.
B is a driving-drum, to carry a belt, andalso supports the cylinders and chiving-pinions.
C, the Working-cylinders, (only one is seen in the drawing) are opposite to each other.
D, the piston-shaft, which is provided with teeth, and acts upon the small pinion, in connection with it, at the mouth of the cylinder.
E is a driving-pinion, and carries ,the whole works as it revolves around the stationary toothed rim, (seen v beyond the drum at F.) Said rim ishxed to the framework, and pinion E revolves around it.
Gr, the steam-chest, through which steam is conveyed to and discharged from the cylinders.
In Figure 2, the steam-chest is seen in parts, showing its inside passages, six in number-three, leading from the centre, being admission-ports; the other'three, passing directly through to the escape-chamber,are called escape-ports. These lead to the escape-pipe.
R is the face-plate of the steam-chest, with its rectangular openings, through which the steamrpasses to the cylinders. The screw in the centre forms a proje'cting point on nicely faced oi' and tted to receive it, making a steamtight joint; and a passage to each cylindeil in the face of the hub conveys steam from the steam-chest to the cylinders, as the ports pass each other as th-e hub revolves, the steam-chest being stationary.
The back division of the steam-chestis a single chainber, collecting the steam to the escape-port.
H is the enter-port, and passes through the centre of the steam-chest to the face-plate, thence diverging to three passages through thelfaceeplate; but these passages are closed by the force of the hub,'except when a cylinder-portpasses before them.
In order. to regulate the pressure between the hub and steam-chest, a screw, N, is provided at the oppo- `site end of the aor1e, at the bracket O, which supports the driving-pinion P.
L is alever, which, in conjunction with the hooked constructed and operated as.
the centre of the face-plate, by which it is centred on the end or face of the hub, which is.
- rods Y and M, is used to move the steam-chest, when necessary, or hold it stationary.
X is a connecting-rod, between the piston-sham, causing them to work in unison; that is, when one is forced ont by the steam, the connecting-rod brings the other home to its place, driving the escaping steam before it. 4
Operation.
Now it is plain that, if steam at pressure is let into the steam-chest at H, it will pass through into the cylinder whose port is as that Imoment opposite the port in the steam-chest to which the steam is pressing. The steam, acting on the piston, will drive it onward, causing the toothed shaft to act on the pinions, in combination of the said cylinder arrives opposite an escape-port, when the steam in that cylinder will rush out through the escape-pipe into the atmosphere, (or condenser, if
will have arrived over a steam-port, and begun to rieceive steam, as soon as its opposite ceases to receive it, so that the working-pinions of one side cease to act only as the opposite ones commence.
Now notice pinion E, to understand which is very important. Please note that, if E is fast on its axle, the piston cannot return, after having made a stroke, `without carrying E back to its starting-point. Now, to efect this object, pinion E is made to run loose on a ratchet, (double-headed,) acting on both sides of the centre. (See Figure 4. Also see Figure 3, which shows separated.)
ihe ratchet, when in place, as in iig. 4, being fixed upon the axle K of pinion E, when the piston makes a stroke, clutches into the teeth in the face of the pinl ion, and carries it forward a fraction over one-sxthpart of the circumference ofthe fixed rim orcircle on which it travels. N ow the piston returns, the clutch is loosened, and revolves backward, while the pinion moves forward loose, until it is again seized by the ratchet,
on the next stroke of the piston.
My engine may l made with any even number of cylinders, for which room can be found in the circle of the drum, but sincethe cylinders can be increased in size, at pleasure, I consider two as good as more.
I claim- 1. The arrangement of the steam-chest Gr, with relation to the hub R and cylinder C, substantially as described.
2. The combination of the toothed piston-rod D, pinion W, ratchet J, cogged wheel E, and stationary cogged rim F, substantially as described.
HORACE ROOKWELL.
with it, which will revolve the machine until the port one be used.) At the saine time the opposite cylinder.
its axle, and on its face-side (not seen in iig. l) is xedl thev double-ratchet lever, and the ratchet with its spring
Publications (1)
Publication Number | Publication Date |
---|---|
US85536A true US85536A (en) | 1869-01-05 |
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US85536D Expired - Lifetime US85536A (en) | Improved steam-engine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100238877A1 (en) * | 2009-03-17 | 2010-09-23 | Samsung Electronics Co., Ltd. | Method and system for mapping pilot signals in multi-stream transmissions |
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0
- US US85536D patent/US85536A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100238877A1 (en) * | 2009-03-17 | 2010-09-23 | Samsung Electronics Co., Ltd. | Method and system for mapping pilot signals in multi-stream transmissions |
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