US2477A - stephen bates and geo - Google Patents
stephen bates and geo Download PDFInfo
- Publication number
- US2477A US2477A US2477DA US2477A US 2477 A US2477 A US 2477A US 2477D A US2477D A US 2477DA US 2477 A US2477 A US 2477A
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- Prior art keywords
- pipes
- water
- vessel
- geo
- bates
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 210000000214 Mouth Anatomy 0.000 description 4
- 230000002706 hydrostatic Effects 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 241000272168 Laridae Species 0.000 description 2
- 230000001174 ascending Effects 0.000 description 2
- 230000003292 diminished Effects 0.000 description 2
- 230000003467 diminishing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
- B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
Definitions
- a A A is the woodwork or hull of the boat, which may be of the shape represented in the drawings or of any other desirable model.
- b, b, b, b are four upright cylinders, entering into and communicating with the horizontalpipes @,a, a, a at any convenient parts of the same.
- Plungers or pistons c, ⁇ c, c, c Figs. 3, 4 are arranged in these upright cylinders, or pumps as we denominate them), the rods d, al, d, al, of which are connected, throughthe intervention oi connecting arms e, e, and cross rods e to the ends of a working beam f f of a steam engine, which may be worked in any of the various ways.
- Two sets of ordinary stop-cocks viz, g, g, g, ,-t, it, 71 t are inserted in the horizontal tubes, respectively in front and rear of the upright cylinders b, Z), b, b, as shown in Figs. 2 3, 4, those denoted by g, g, &c., serving to open or close the communication through the pipes with the water at the bows of the vessel or boat, and those represented at h, h, h, &c., performing the same office with reference to the water at the stern.
- An apparatus for extinguishing fire is connected and may be used with our improved propelling machinery, and with much effect even while the latter is in operation, or the stopcocks above described may be all closed, so that the whole force of the engine may be used in throwing water for extinguishing fire.
- the apparatus consists of curvedpipes t', z', c', z', having suitable'stopcocks 7c, 7c, 7c, &c., arranged in the sides of the ⁇ pumps as shown in Fig.
- engine hose may be screwed in t-he ordinary way Awhich may conduct the Water to any part of the vessel, caps Z, Z, Z, &c., being screwed on the tops of t-he pipes 7c, lo, 7c, when the hose is not attached. From this it will be perceived, that when the stopcocks 7c, 7c, 7c in the fire-pipes are opened, a portion of the water which is drawn into the pumps by the ascent or upward motion of the pistons, will, on the descent of the same, (while the vessel is being propelled ahead), be forced through the said fire tubes for the purpose above specified, as this portion has only the resistance or weight of the atmos-v phere to contend with.
Description
`Pal'tend March 4, 1842.
BATES & TITCDMB. Pneumatic Propelie. No. 2,477.
UNTTED sTATEs PATENT STEPHEN BATES AND GE,TITC0MB, QF BOSTON, MASSACHUSETTS- MACHINERY FOR EROPELLNG BOATS AND EXTINGUISHINGF FIRE.
` `Specification of Letters Patent No. 2,477, dated March` 4, 198,42; Antedated September 4J 1841,
To aZZ whom t may concern:
Be it known that we, STEPHEN BATEs and Gnonen TrrooMB, both of Boston, in the county of Suffolk and State of Massachusetts, have invented new and useful I1nprovements in Machinery for Propelling Boats, Vessels, &c., and that the following is a full and exact description of the same, reference being had to the accompanying drawings, which will be hereinafter described and which, taken in connection herewith, forni our specification, wherein we haveset forth the principles of our said invention, by which it may be distinguished from others for a similar purpose, together with such parts, improvements, or combina.- tions as we claim and for which we solicit an exclusive property for fourteen years, to be secured to us by Letters Patent@ Figure l ofthe accompanying plate of drawings is a side elevation of a boat, with our improved apparatus applied.v Fig. 2, is a plan of the same with the top or decks removed. Fig.. 3 is a longitudinal vertical section through the center on the lille O P and Fig. 4, is a cross vertical section on the line Q, Ri.
A A A is the woodwork or hull of the boat, which may be of the shape represented in the drawings or of any other desirable model. i
a, a, a, a, Figs. 1, 2, 3, 4 jare four horizontal pipes or cylinders which may be formed of any suitable metal and arranged in the bottom or lower part of the vessel or boat, with their diminished mouths or orices at one end, passing through the sides of the vessel near or under what is usually termed the counter, and com u nicating directly with the water in which the vessel is afloat, which flows in freely by hydrostatic pressure. The other ends of these pipes likewise communicate with the water, by passing through the curved part of the bows as shown in Figs. 1 and 3.
b, b, b, are four upright cylinders, entering into and communicating with the horizontalpipes @,a, a, a at any convenient parts of the same. Plungers or pistons c,` c, c, c Figs. 3, 4, are arranged in these upright cylinders, or pumps as we denominate them), the rods d, al, d, al, of which are connected, throughthe intervention oi connecting arms e, e, and cross rods e to the ends of a working beam f f of a steam engine, which may be worked in any of the various ways.
The main feature in the part of our invention above described is, diminishing the bore or diameter of the horizontal tubes at their orifices, or making them smaller in this dimension than the upright cylinders, as shown more particularly in the longitudinal section Fig, 3, which greatly enhances the speed of the boat. rlhis may be explained as follows. When the pist-o-ns are made to aseend, by the action of the engine, the water entering by hydrostatic pressure the horizontal tubes, (and through tubes with valves on their tops which conduct through the bottom of the boat, and which will be more particularly described hereafter), follows the pistons in the upright cylinders h, t, 5w., and when they descend, the water is returned or forced out, and the vessel is proq polled ahead, (theoretically), a distance equal to the lengt-h of the column of water i which is ejected of the diameter of the ori-Y fices of the pipes a, e, c, o, This column is evidently longer than it would be were the horizontal pipes of the same diameter throughout and consequently, (the power of the engine being made adequate to perfor-1n` the stroke of the piston in the same time as it would were these Pipes of the same diameter throughout), the velocity of the boat would be greater with our improved arrangement, heing subject to the same in` creascby the acquisition of momentum as in ordinary cases. It will be seen that the process of ejection is constant and consequently the propulsion of the boat is so likewise, inasmuch as there are four pistons, (two at each end of the beam f f), so that while one set is ascending the other is descending the ingress and egress of the water both serving to propel the vessel. There may be more pipes than are mentioned in the above described arrangement, so that several streams may be working at the same time to propel the vessel if the same should be deemed necessary.
Two sets of ordinary stop-cocks, viz, g, g, g, ,-t, it, 71 t are inserted in the horizontal tubes, respectively in front and rear of the upright cylinders b, Z), b, b, as shown in Figs. 2 3, 4, those denoted by g, g, &c., serving to open or close the communication through the pipes with the water at the bows of the vessel or boat, and those represented at h, h, h, &c., performing the same office with reference to the water at the stern. By the proper use of these stopcocks, the
vessel, (it will be seen without further eX- planation) can be propelled either forward or backward at pleasure.
An apparatus for extinguishing fire is connected and may be used with our improved propelling machinery, and with much effect even while the latter is in operation, or the stopcocks above described may be all closed, so that the whole force of the engine may be used in throwing water for extinguishing fire. The apparatus consists of curvedpipes t', z', c', z', having suitable'stopcocks 7c, 7c, 7c, &c., arranged in the sides of the` pumps as shown in Fig. 3, to the top of Vwhich pipes, engine hose may be screwed in t-he ordinary way Awhich may conduct the Water to any part of the vessel, caps Z, Z, Z, &c., being screwed on the tops of t-he pipes 7c, lo, 7c, when the hose is not attached. From this it will be perceived, that when the stopcocks 7c, 7c, 7c in the fire-pipes are opened, a portion of the water which is drawn into the pumps by the ascent or upward motion of the pistons, will, on the descent of the same, (while the vessel is being propelled ahead), be forced through the said fire tubes for the purpose above specified, as this portion has only the resistance or weight of the atmos-v phere to contend with. The smallness of the fire pipes it should be observed, prevents the whole quantity from passing out this way when it has other outlets by which it can escape. But if we wish to use a large quant-ity of water for extinguishing fire and to take the whole power of the engine for this purpose, all the stopcocks in the horizontal pipes Y .should be closed, the water being drawn up through pipes n, 11,1%, &c., which pass through the bottom of the vessel to the water beneath, and open into the horizontal pipes a, a, a, opposite to where the pump cylinders enter the same. On the top or mouths or in any convenient part of these pipes n, n, &c., valves o, 0, o, are arranged opening upward the operation of which will be readily understood. Thus it will be seen, that when the action of the propelling machinery is checked, by turning the stopcocks, the steamengine may work the pumps so as to effectually arrest the progress of the flames and check the most extensive conflagration.
It is scarcely necessary to observe, after the above description, thatV inY our' propelling apparatus, the power of the steam-engine is made to operate directly upon the resistance or surrounding water, without the intervention of the crank and all the intricate Inachinery used in the common propelling apparatus, which it will be admitted is a great advantage.
Having thus described our improvements, we shall only claim as our invention in the above described machinery- The propelling cylinders provided with valve-pipes, conducting through the bottom of the vessel, and with horizontal pipes, having stopcocks, in combination with the firepipes, of smaller diameter arranged in the side of said propelling cylinders and having suitable stop cocks substantially as described-for propelling the vessel and extinguishing fire-and likewise exclusively for extinguishing fire, as described.
In testimony that the foregoing is a true description of our said invention we have hereto setour signatures.
STEPHEN BATES. GEORGE TITCOMB. Witnesses:
R. N. EDDY, HENRY PARK, G. T. HIBBURN.
Publications (1)
Publication Number | Publication Date |
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US2477A true US2477A (en) | 1842-03-04 |
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US2477D Expired - Lifetime US2477A (en) | stephen bates and geo |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4505684A (en) * | 1982-12-02 | 1985-03-19 | Holden Joseph T | Thrust tube propulsion system |
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0
- US US2477D patent/US2477A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4505684A (en) * | 1982-12-02 | 1985-03-19 | Holden Joseph T | Thrust tube propulsion system |
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