US136832A - Improvement in raising sunken vessels - Google Patents
Improvement in raising sunken vessels Download PDFInfo
- Publication number
- US136832A US136832A US136832DA US136832A US 136832 A US136832 A US 136832A US 136832D A US136832D A US 136832DA US 136832 A US136832 A US 136832A
- Authority
- US
- United States
- Prior art keywords
- tanks
- improvement
- vessel
- sunken vessels
- raising sunken
- 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 12
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000414 obstructive Effects 0.000 description 6
- 230000001105 regulatory Effects 0.000 description 4
- 241000209761 Avena Species 0.000 description 2
- 235000007319 Avena orientalis Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
- B63C7/06—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in or adjacent to vessels or objects
Definitions
- This invention consists in the combination of regulating-lioats with the buoys orlightering-tanks, whose displacement liftsthe vessel in such a manner that said iioats shall determine the depth to which the buoys or tanks may be sunk, so that anyrequired depth may be given to the tanks previous to their connec- ⁇ tion with the vessel, and at the same time be prevented from sinking to the bottoni.v
- the letter A in the drawing represents a cross-section of a vessel, upon the sides ot which are lashed the tanks or ⁇ buoys B B by chains or a chain, as at'C,-attached to each of the tanks and passing around underneath the bottom and the .keel of the ship, and by the displacement of said tanks the vessel is lifted or lightered77 to such a degree as tobe carried over said bars or other obstructions.
- the full lifting capacity of the tanks it is necessary that they shall be sunk to the full extent of their displacement, and to maintain they mustalso besunk to as great or greater depthpbe'lofw the surface as the vessel is to be lifted, otherwise, when they begin to rise above the surface they begin to lose their lifting power.
- each tank is provided with sufficient sustainingcapacity to sustain the vweight of the tanks B Bwhen illed with water, and maintain them' at any desired depth.
- the tanks are connected by chains or other regulating attachment, as at E E', by which the depth of the tank may be graduated before any connection is made with the vessel-the simplest manner being by slipping a toggle or pin through the links, as represented in the drawing.
- Similar tubes may also extend through the tanks, but in the direction of the force to be exerted.
- the tanks may also be provided with compartments into which the water cannot enter; said compartments having sufficient displacement to equalize the weight of the tank itself', and thereby dispense with thewusem less charging and discharging of so much water.
- Valves as at F where one of the tanks is shown in section, may be used to let the water into it; but a tube as at Gr, for the outlet of the water or air, as desired, may be extended up above the surface, and be furnished with a stop-cock, so that ahole may be left in the bottom for the free passage of the water.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Farming Of Fish And Shellfish (AREA)
- Revetment (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Description
R. W. HALLETT.
y Raising Snken Vessels.
NO SMSBQ 4 l PatentedMa1|chl8,1873.
s WWNESSES. l
INVENTOR.
UNITED STATES PATENT OEEIoE.
RICHARD w. EALLETT, or BROOKLYN, E. D., NEW Yoan.
IMPROVEMENT IN RAISING suNKEN vEssELs.
Specification forming part of Letters Patent No. 136,832, dated March L8, 1873.
'Nature and Object.
This invention consists in the combination of regulating-lioats with the buoys orlightering-tanks, whose displacement liftsthe vessel in such a manner that said iioats shall determine the depth to which the buoys or tanks may be sunk, so that anyrequired depth may be given to the tanks previous to their connec- `tion with the vessel, and at the same time be prevented from sinking to the bottoni.v
Drawing.
The letter A in the drawing, represents a cross-section of a vessel, upon the sides ot which are lashed the tanks or` buoys B B by chains or a chain, as at'C,-attached to each of the tanks and passing around underneath the bottom and the .keel of the ship, and by the displacement of said tanks the vessel is lifted or lightered77 to such a degree as tobe carried over said bars or other obstructions. But in order to obtain the full lifting capacity of the tanks it is necessary that they shall be sunk to the full extent of their displacement, and to maintain they mustalso besunk to as great or greater depthpbe'lofw the surface as the vessel is to be lifted, otherwise, when they begin to rise above the surface they begin to lose their lifting power. It is also necessary, for the saving of time, that said tanks should not be permitted to sink to the bottom, but be maintained at about the proper depth for the chains C to swing easily under the vessel, due allowance being made for her breadth of beam, so that the tanks may be towed along on each side in about the position to begin the operation of lightering as soon as the vessel approaches the bar or obstruction. To secure these advantages each tank is provided with sufficient sustainingcapacity to sustain the vweight of the tanks B Bwhen illed with water, and maintain them' at any desired depth. To these oats the tanks are connected by chains or other regulating attachment, as at E E', by which the depth of the tank may be graduated before any connection is made with the vessel-the simplest manner being by slipping a toggle or pin through the links, as represented in the drawing.
It is preferable to make said floats with a cross-section of triangular form, as shown at D D', as thereby the upper side can always be kept uppermost, and the chains that connect them with the tanks may pass through tubes extending vertically through them.
Similar tubes may also extend through the tanks, but in the direction of the force to be exerted. The tanks may also be provided with compartments into which the water cannot enter; said compartments having sufficient displacement to equalize the weight of the tank itself', and thereby dispense with thewusem less charging and discharging of so much water.
Valves as at F, where one of the tanks is shown in section, may be used to let the water into it; but a tube as at Gr, for the outlet of the water or air, as desired, may be extended up above the surface, and be furnished with a stop-cock, so that ahole may be left in the bottom for the free passage of the water.
' These devices, however, as also the construction of the tanks, are all well known and do not form a part ot' this invention; but
I do claim- In an apparatus forlightering ships and other similar vessels over bars and other obstructions, the combination of the regulating'- ioats with the lightering-tanks, substantially as described and for the purposes set forth. RICHARD W. HALLETT.
Witnesses:
E. N. ELIOT, A. MOORE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US136832A true US136832A (en) | 1873-03-18 |
Family
ID=2206248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US136832D Expired - Lifetime US136832A (en) | Improvement in raising sunken vessels |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US136832A (en) |
-
0
- US US136832D patent/US136832A/en not_active Expired - Lifetime
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