US132300A - Improvement in steam canal-boats - Google Patents
Improvement in steam canal-boats Download PDFInfo
- Publication number
- US132300A US132300A US132300DA US132300A US 132300 A US132300 A US 132300A US 132300D A US132300D A US 132300DA US 132300 A US132300 A US 132300A
- Authority
- US
- United States
- Prior art keywords
- steam
- wheel
- tubes
- canal
- wheels
- 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
- 239000000203 mixture Substances 0.000 description 10
- 241000272168 Laridae Species 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000001808 coupling Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 238000004326 stimulated echo acquisition mode for imaging 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
- BSheets--Sheet 1.;
E. LYNCH. Improvement in Steam Canal-Boats. No. 132,300.
Patented 0ct.'15,1872.
3 Sheets--Sheet 2* E. LYNCH. Improvement in Steam Canal-Beats.
Patented Oct. 15,1872.
3 Sheets--Sheet 3.
E. LYNCH. Improvement in Steam Canal-Boats. n No. 132,300. Patented0cf.15,1a72.
Frron EDWARD LYNCH, OF GEORGETOVVN, DISTRICT OF COLUMBIA.
IMPROVEMENT IN. STEAM CANAL-BOATS.
Specification forming part of Letters Patent No. 132,300, dated October 15, 1871.
To all whom it may concern:
Be it known that I, EDWARD LYNCH, of Georgetown, in the county of Washington and .District of Columbia, have invented a new and reference being had to the annexed drawing making a part of this specification, and to the letters and gures of reference marked thereon.
Figure 1 of the drawing is a representation of a longitudinal section of my invention. Fig. 2 is a transverse section of the same. Fig. 3 is a detail View of the same.
This invention has relation to steam canalboats the propulsion of which is effected by the action of paddle-wheels upon water passing through tubes from bow to stern 5 a-nd the novelty consists in the construction and arrangement of said wheels, wheel-houses, and tubes of the engine, and connections for driving said wheels, and of the boiler and its attachments, all substantially as and for the purpose hereinafter described.
Referring to the drawing, A designates the hull of a steam canal-boat; B B, the watertubes running from bow to stern, located in thebottom of the boat, and on each side of the keel. C designates the wheel-houses, usually made of iron, located midway between bow and stern, above and in communication, both fore and aft, with the tubes B,vwhich lie on tangent lines with reference to said wheelhouses. Drepresents the paddle-wheels, hung on the ends of a horizontal transverse shaft, D', which passes through the wheel-houses, and has its end bearings in boxes d d1 on the sides of the wheel-houses, and in the middle upon a pillar-block, d2, cast with or secured to the engine-frame. The Wheel has a close central drum, E, from-.which project the paddles F, fitting the annular space around said drum closely. The water passing through the tubes comes in contact with only the lower part of the lower paddles, which force the water out behind them, thereby eifectiug the propulsion -of the boat. As the water passing through the tubes or channels strikes the paddles far below the center of the wheel, its full force is exerted atthe ends of these levers or paddles in moving the wheel, thereby economizing the power of the engine. These wheel-houses are designed to be air-tight, and the tendency of the action of the paddles will be to produce therein partial vacuums, forming condensingchambers. The engine is located in the center ofthe boat, between the two wheels, and has an upright cylinder, G, supported upon an upright frame, G', which forms the middle bearing of the Wheel-shaft and the sole bearing of the crank-shaft H. The piston-rod I has a cross-head, J, connected to a crank, K, on each end of the crank-shaft H by means of pitmen I1 having oval yokes I2 formed at their lower ends to straddle the wheel-shaft. The shaft H, being thus driven, is provided with a pair of cog-wheels, L, engaging with pinions L on the wheel-shaft, in order to transmit motion to the latter. The cross-head J is connected to the valve-rod by means of the link-coupling M, consisting of the jointed rods m m14 (the latter having a curved slot in the ends) and the adjustable arm m2. By adjusting the latter along the slot the steam may be cut off at any desirable point. An L-shaped or bell-crank lever, a, pivoted to the valve-chest and connected to the arm m2 by a link, m3, is used for adjusting said arm. The exhaust is carried to the forward part of and into the wheel-houses by means of tubes M3, and, while directly assistin g the motion of the wheels, is therein condensed and carried downward by the paddles. N designates the boiler, of a double, tubular, or rocket form, with the furnace O in the center, and is therefore arranged in a most convenient and compact manner athwartships,7 instead of lengthwise or fore and aft. The boiler, when thus constructed and arranged, may be of sufiicient capacity for all the steam-power required, and yet occupy very little space in the hold. The coal-bins may be at its ends. As shown in Fig. 3 the heat passes through the boiler-tubes to the ends and returns above the water-bottom P to the center. The smoke-stack Q rises from the top of the furnace, instead of from the end of the boiler and passes directly through the steam-dome R. The steam is taken from the latter to the engine bythe pipe S. The steam is therefore always dry, being superheated by the heat passing through the iiue. The sn1oke-stack has a drum at T, from the sides of which pass the pipes T1, communicating with the wheelhouses. The Wheels create an articial draft through the pipes T1, Which may be regulated by means of a damper at T2. Communicating with the drum T is a pipe, U, containing a fan- Wheel, V, driven by belt and pulley from the wheel-shaft. This pipe enters the furnace near the bottom, and is designed for the purpose of carrying the smoke back to the iire. A damper, V', above the fan, is used to open and close said tube. The smoke stack, pipes T1, and pipe U may be used interchangeably. The Water-tubes B have stuffing-boxes, valves w, and expansible couplings near their ends, as shown at W W, to compensate for strain in the boat.
Sometimes I design to arrange the paddles vto Work in horizontal planes, the Wheel-houses being connected to the sides of the Water-tubes.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. In a steam-vessel, the combination, With horizontal Watertubes B, provided with valves w and expansion-tubes YV, of circular Wheelhouses C, connected therewith tangentially, and paddle-wheels D, located at the bottom of -the boat and on both sides of the keel, substantially as specified.
2. The air-tight wheel houses or boxes 0,10- cated, as described, on both sides of the keel, in combination with the horizontal tubes B running from bow to stern, and the paddle- Wheels D, constructed and arranged substantially as specified.
3. The engine located, in relation to the Wheels D, substantially as shown, and supported by the frame G', said frame constituting bearings for the Wheel-shaft D and crankshaft H, as specified.
4. The valve-connection, consisting of the jointed arms m fm1, the latter being slotted, the adjustable rod m2, bell-crank fn, and link m3, combined and arranged substantially as specified.
5. The exhaust tubes M3, communicating With the condensing Wheel-boxes G, substantially as and for the purposes specied.
6. The arrangement of the double tubular boiler N athWart the boat, and having the furnace O'in the center, in combination With the paddle-Wheels D, houses C, and longitudinal tubes B, substantially as specified.
7. The flue-tubes T1, in combination with the furnace O and Wheel D, substantially as and for the purpose specified.
8. The combination and arrangement of the tubes B, Wheel-houses G, paddle-Wheels D, shafts D' H, cranks K, yoke-pitmen I1, cylinder G, frame G', double rocket boiler N, and central furnace O, substantially as and for the purpose described.
9. The tubes B having the eXpansible couplings W, substantially as and for the purpose specified.
In testimony that I claim the above I have hereunto subscribed my name in the presence of two Witnesses.
EDWARD LYNCH.
Witnesses y D. D. KANE, GEO. E. UPHAM.
Publications (1)
Publication Number | Publication Date |
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US132300A true US132300A (en) | 1872-10-15 |
Family
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Application Number | Title | Priority Date | Filing Date |
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US132300D Expired - Lifetime US132300A (en) | Improvement in steam canal-boats |
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US (1) | US132300A (en) |
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- US US132300D patent/US132300A/en not_active Expired - Lifetime
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