US737968A - Method of conveying vessels or the like from one water-level to another in waterways. - Google Patents

Method of conveying vessels or the like from one water-level to another in waterways. Download PDF

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US737968A
US737968A US7528201A US1901075282A US737968A US 737968 A US737968 A US 737968A US 7528201 A US7528201 A US 7528201A US 1901075282 A US1901075282 A US 1901075282A US 737968 A US737968 A US 737968A
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water
float
level
chamber
waterways
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US7528201A
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Friedrich Schnapp
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02CSHIP-LIFTING DEVICES OR MECHANISMS
    • E02C1/00Locks or dry-docks; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass

Definitions

  • FIGS- 712F101 I Q 1753257 4% 4W UNITED STATES Patented September 1, 1903.
  • the methods hitherto used for conveying vessels from one water level to a higher or lower water-level during their passage over waterways differ very widely.
  • the most usual method consists in causing the vessel to pass from that part of the waterway already traversed into a lock having the same water level and is then conveyed to the following higher or lower part of the waterway by raising or lowering the water-level in the look after closing the entrance thereto.
  • the latter For the purpose of weighting the float the latter is provided with a number of water-tight compartments connected with a corresponding number of reservoirs, from which when the movement has begun the water required to weight the float is supplied by external means, the said water returning to the respective reservoirs when the float is raised in order to convey a vessel from the higher to the lower level, so that the same water is always used for raising and lowering vessels.
  • Figure 1 is a vertical section perpendicular to the direction of travel with the float in its highest position on the line A B of Fig. 2.
  • Fig.2 is a plan view of Fig. 1.
  • Fig. 3 is a vertical section on the same line as Fig. 1, but with the float in its lowest position.
  • Fig. 4 is a vertical section on the same line as Fig. 1, but with the float in its lowest position.
  • Fig. 5 is a vertical longitudinal section through the one series of 5 5 the tubes, connecting the float with the stationary basins on an enlarged scale and on the line E F of Fig. 6.
  • Fig. 6 is a horizontal section through one of said series of tube connections, the upper part of the figure on the line G II and the lower part on the line .I K
  • the apparatus is arranged as follows:
  • the chamber or basin a consisting of concrete, brickwork, or iron, can be cut off from communicationwith the lower and upper water-levels ow and mu, respectively, by the lock-gates b and 0, respectively.
  • a float is arranged having on t-out portions e and fin line with the lower and upper gates to permit the entrance and exit of vessels into the shaft within the float when the latter is in its highest and lowest positions, respectively. This space for the vessels maybe outside the float, if desired.
  • At the side of the basin a number of outer reservoirs g h i It Zm are arranged, the number of these latter depending upon the fall of the lock. These reservoirs are filled with water to a certain level.
  • the float d floats freely in equilibrium.
  • the said float is divided into compartments by horizontal partitions n 0 p q r s at heights equal to the water-levels in the outer reservoirs, the number of compartments corresponding to the number of outer reservoirs.
  • the ground plan of the float is a multiple of the ground plan of the vessels hull and the lateral space in the chamber and increases in size with the number of outer reservoirs.
  • the compartments of the float communicate independently of the lock-chamber with the respective outer reservoirs.
  • this communication is supplied by pipes t, which communicate with the respective c0mpartrnents by means of tubes 1; and With the respective outer reservoirs by tubes to in such a manner that while the float is rising or falling the said pipes have free movement on the tubes.
  • the arrangement may be made either so that the float executes the lateral. move z pressure is removed.
  • ment necessary to permit the movement of the pipes or the tubes connected with the latter may be arranged to move where they enter the reservoirs or the compartments.
  • the former 5 construction is shown by Figs. 5 and 6,inwhich the tubes u and 0 rotate within stufling-boxes provided at the openings of the float and the reservoir through which the Water streams during the raising or lowering of the float.
  • the ratio of which to the speed of descent of the float is as the ratio of the surface of the float to the surface of the water in the chamber.
  • WVhat I claim is- In combination, a lock-chamber, two lockgates for separating said chamber from a lower and a higher water-level respectively, a float within said lock-chamber, the ground plan of such float being smaller than the re spective plan of the lock chamber by an amount equal to the ground plan of a vessel to be transported through the lock-chamber, an hermetically-sealed chamber provided at the bottom of the float, the displacement of such chamber being equal to the weight of the float, one or several water-chambers above said bottom chamber, tubes connecting said water-chambers with the outer air, one or several stationary Water-reservoirs provided laterally of the lock-chamber, the number of such stationary water-reservoirs correspond ing with the number of water-chambers of the float, and movable tubes connecting each of the water-chambers of the float with the respective adjacent stationary water-reservoir, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Description

No. 737,968. PATBNTED SEPT. 1, 1903.
I F. SGHNAPP, METHOD OF CONVEYING VESSELS OR THE LIKE PROM ONE WATER v LEVEL TO ANOTHER IN WATERWAYS.
v APPLIOAIIQN FILED SEPT. 13, 1901. no MODEL. 3 SHEETS-SHEET 1.
FIGJ- W I II $86 85 I V 5142x257 Fed 0 26 PATENTED SEPT. 1, 1903. F. SGHNAPP. -METHOD 0E CONVEYING VESSELS OR THE LIKE FROM ONE WATER LEVEL TO ANOTHER IN'WATERWAYS.
APPLICATION FILED SEPT. 13 1901.
3 SHEETS-SHEET 2.
N0 MODEL.
I V a 775574.942;- 5 M a all. 04140-014 No. 737,968. PATENTED SEPT. 1, 1903. F. SGHNAPP. METHOD OF CONVEYING VESSELS OR THE LIKE FROM ONE WATER LEVEL TO ANOTHER IN WATERWAYS.
APPLICATION FILED SEPT. 13, 1901. v
3 SHEETS-SHEET 3.
N0 MODEL.
FIGS- 712F101: I Q 1753257 4% 4W UNITED STATES Patented September 1, 1903.
PATENT OFFICE.
FRIEDRICH SCIINAIP, OF BERLIN, GERMANY.
METHOD OF CONVEYING VESSELS OR THE LIKE FROM ONE WATER-LEVEL TO ANOTHER lN WATERWAYS.
SPECIFICATION forming' part of Letters Patent No. 737,968, dated September 1, 19 03.
Application filed September 13, 1901. Serial No. 75.282. (No model.)
f0 (0M whom it may concern:
Be it known that I, FRIEDRICH SOHNAPP, a subject of the Emperor of Germany, residing and having my post-office address at Alvenslebenstrasse 2,Berlin, Germany,have invent ed an Improved Method for Conveying Vessels or the Like from one TVater-Level to Another in Waterways, of which the following is a specification.
The methods hitherto used for conveying vessels from one water level to a higher or lower water-level during their passage over waterways differ very widely. The most usual method consists in causing the vessel to pass from that part of the waterway already traversed into a lock having the same water level and is then conveyed to the following higher or lower part of the waterway by raising or lowering the water-level in the look after closing the entrance thereto. TVith large falls this method entails the use of alarge quantity of watera disadvantage which is removed by the present invention, which consists in the fact that after the vessel to be raised has passed into a lock-chamber filled with water to the height of the lower waterlevel and the said chamber has been closed the water in the shaft receiving the vessel is forced upward by weighting a float until the vessel has reached the height of the upper water-level and can pass on to the higher part of the waterway when the upper lockgate has been opened. For the purpose of weighting the float the latter is provided with a number of water-tight compartments connected with a corresponding number of reservoirs, from which when the movement has begun the water required to weight the float is supplied by external means, the said water returning to the respective reservoirs when the float is raised in order to convey a vessel from the higher to the lower level, so that the same water is always used for raising and lowering vessels.
The annexed drawings represent an example of the application of the method described.
Figure 1 is a vertical section perpendicular to the direction of travel with the float in its highest position on the line A B of Fig. 2. Fig.2 is a plan view of Fig. 1. Fig. 3 is a vertical section on the same line as Fig. 1, but with the float in its lowest position. Fig. 4
represents a longitudinal vertical section on the line C D of Fig. 2. Fig. 5 is a vertical longitudinal section through the one series of 5 5 the tubes, connecting the float with the stationary basins on an enlarged scale and on the line E F of Fig. 6. Fig. 6 is a horizontal section through one of said series of tube connections, the upper part of the figure on the line G II and the lower part on the line .I K
of Fig. 5.
For the horizontal-section of the float rectangular, circular, or other shapes can be used.
In the form of construction illustrated the apparatus is arranged as follows: The chamber or basin a, consisting of concrete, brickwork, or iron, can be cut off from communicationwith the lower and upper water-levels ow and mu, respectively, by the lock-gates b and 0, respectively. In the said chamber a float is arranged having on t-out portions e and fin line with the lower and upper gates to permit the entrance and exit of vessels into the shaft within the float when the latter is in its highest and lowest positions, respectively. This space for the vessels maybe outside the float, if desired. At the side of the basin a a number of outer reservoirs g h i It Zm are arranged, the number of these latter depending upon the fall of the lock. These reservoirs are filled with water to a certain level. At the lower water level of the reservoir a the float d floats freely in equilibrium. The said float is divided into compartments by horizontal partitions n 0 p q r s at heights equal to the water-levels in the outer reservoirs, the number of compartments corresponding to the number of outer reservoirs. The ground plan of the float is a multiple of the ground plan of the vessels hull and the lateral space in the chamber and increases in size with the number of outer reservoirs. The compartments of the float communicate independently of the lock-chamber with the respective outer reservoirs. In the construction illustrated this communication is supplied by pipes t, which communicate with the respective c0mpartrnents by means of tubes 1; and With the respective outer reservoirs by tubes to in such a manner that while the float is rising or falling the said pipes have free movement on the tubes. The arrangement may be made either so that the float executes the lateral. move z pressure is removed.
ment necessary to permit the movement of the pipes or the tubes connected with the latter may be arranged to move where they enter the reservoirs or the compartments. The former 5 construction is shown by Figs. 5 and 6,inwhich the tubes u and 0 rotate within stufling-boxes provided at the openings of the float and the reservoir through which the Water streams during the raising or lowering of the float.
1 0 When pressure is brought to bear on the float,
which maybe effected by means of a pressurecylinder or the like,it descends to a certain extent, whereupon water passes from the outer reservoirs into the compartments in the float,
so that owing to its increased load the latter continues to descend and the water-level in the lock-chamber rises at a speed the ratio of which to the speed of descent of the float is as the ratio of the surface of the float to the surface of the water in the chamber.
stant equilibrium of the float equilibrium will also be produced while the external pressure is in operation as soon as the speed of the liquid in the pipes corresponds to the superload of the said pressure, so that the float will tity of water to pass out of the lock-chamber when it is desired to raise the water-level in the latter, whereupon the float will automatically descend with the use of external pres sure, and, vice versa, the float can be caused to ascend by allowing a quantity of water to enter the lock chamber. When machine power is used for raising and lowering the float, the quantity of water used and wasted is m'l. For permitting the air to escape from the compartments in the float the said compartments are provided with pipes 20, which may also serve to pump out water and the like therefrom.
WVhat I claim is- In combination, a lock-chamber, two lockgates for separating said chamber from a lower and a higher water-level respectively, a float within said lock-chamber, the ground plan of such float being smaller than the re spective plan of the lock chamber by an amount equal to the ground plan of a vessel to be transported through the lock-chamber, an hermetically-sealed chamber provided at the bottom of the float, the displacement of such chamber being equal to the weight of the float, one or several water-chambers above said bottom chamber, tubes connecting said water-chambers with the outer air, one or several stationary Water-reservoirs provided laterally of the lock-chamber, the number of such stationary water-reservoirs correspond ing with the number of water-chambers of the float, and movable tubes connecting each of the water-chambers of the float with the respective adjacent stationary water-reservoir, substantially as described.
In witness whereof I have signed this speciflcation in the presence of two witnesses.
FRIEDRICH SOHNAPP.
reservoirs until the compartments in the float are completely empty and the float has reached its highest position. The movement of the float can also be initiated by allowing a quan- Witnesses:
\VOLDEMAR HAUPT, HENRY HAsPER.
US7528201A 1901-09-13 1901-09-13 Method of conveying vessels or the like from one water-level to another in waterways. Expired - Lifetime US737968A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090162145A1 (en) * 2006-03-16 2009-06-25 Terry Fogarty System And Method For Hydraulic Displacement
US20100260549A1 (en) * 2008-02-04 2010-10-14 Bert Gustav Shelton Water-saving lock configurations and operations

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090162145A1 (en) * 2006-03-16 2009-06-25 Terry Fogarty System And Method For Hydraulic Displacement
US20100260549A1 (en) * 2008-02-04 2010-10-14 Bert Gustav Shelton Water-saving lock configurations and operations
US8545131B2 (en) * 2008-02-04 2013-10-01 Bert Gustav Shelton Water-saving lock configurations and operations

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