Trimaran with rotary outriggers
SUBSTANCE: invention relates to ship building, particularly to boat with main hull and at least two outriggers. Said trimaran comprises at least two adjustable-height outriggers. Under said main hull said outriggers abut on each other to make an integral rigid hull. Said outriggers are articulated with said main hull to turn independently of each other. Wings are mounted at said main hull and outrigger. Main hull or outrigger has a recess to receive said wing. Said wing is either a telescopic or a flapping deign.
EFFECT: higher stability, optimum dynamics at high speed and hydrodynamics.
17 cl, 36 dwg
The invention relates to the means of water transport with the main body and at least one outrigger, which is adjustable mounted on the main body.
It is known that water transportation vehicles may be equipped with outriggers, which are located laterally next to the main building. This might lead to significantly improved stability and rollover becomes almost impossible.
However, not all applications is desirable the use of outriggers, as they affect the dynamic characteristics of the vessel.
From US 5373799 A known means of water transport, which has movable outriggers. This helps save space when storing. Dynamic quality may not significantly change.
The object of the present invention is to propose a solution that would provide significant further increase of the control range compared to known designs. In particular, especially sports and maneuvering behavior of a racing vessel must be combined with reliability outrigger vessel.
According to the invention provides that the outrigger is mounted for vertical adjustment. The height adjustment can be optionally n�euskotren in addition to the possibility of regulation width. Thus it is possible to significantly change the dynamic characteristics of the vessel and to influence them.
Mechanical is particularly advantageous if the swivel outrigger is mounted on the main body. Thanks to this simple means can be achieved a particularly large range of motion. The rotary device is preferably made in the form of a parallelogram-type suspension.
In a particularly preferred embodiment, the outrigger can be transferred from the lateral position near the main body in a position under the main body.
By means of the present invention is possible, in addition to characteristics outrigger ship, receive, possess, as a rule, low stability characteristics of a racing vessel, which provide stability in extreme lateral positions and optimum dynamic performance at high speeds.
In a particularly preferred embodiment of the invention provides that at least two outrigger in position under the main body immediately adjacent to each other and constitute a single rigid body. Because of this, in this position, the outriggers can also be achieved especially optimal hydrodynamic characteristics. In particular, can be increased maneuverability and dynamic ka�society.
Even more significant expansion of the application range of the present invention can be achieved if at least one outrigger can be transferred from the lateral position near the main body at a position above the main body.
Is also advantageous that at least two jacks were installed independently rotatable from each other. Thus banked the ship can be cleared only through the proper movement of the outriggers. Also, however, it can provide benefits when cornering.
Especially sports configuration can be achieved if at least two outrigger can be rotated around the respective swivel axis to a position under the main body at a distance from him.
Critical situations with insufficient stability can be avoided, for example, by a device for automatic movement of the outrigger, which, when the vessel speed below a predetermined minimum speed translates the outrigger in a lateral position near the main building. Similarly, at high speeds, the operator can move the outriggers under the main body.
At least one outrigger is preferably arranged wings (underwater wings). It is known that the ship can be supplied to�Alami, which provide for lifting the hull out of the water at speed, starting from a certain minimum speed. Due to this hydrodynamic resistance can be substantially reduced, and with little consumption of fuel you can reach higher speeds. In addition, the independent excitement dynamic characteristics can significantly improve the convenience (comfort).
Usually the wings are secured to the outriggers at a sufficient distance beneath the hull of the vessel, and thus achieved the required height during the validity of the wings. However, at rest or at low speeds, it is of great draught with the danger of damaging the wings on underwater obstacles.
This also leads to the fact that hydrofoils can't be used in shallow water or near the shore. In addition, during transportation of the vessel sensitive wings are oversized and therefore can be easily damaged if they are not removed.
Therefore, in particular, the hull has a recess that accepts the wing in position in the case.
Through the proposed solution minimizes damage to the wing when retracted, that is, when the operation of the vessel as a displacement. Therefore, the ship can also be used in shallow water and safe�SSS to sit stranded on the shoreline.
Structurally particularly advantageous is the placement of the wing on telescopically sliding the lever. Because of this can be achieved a large range of regulation, and in intermediate positions the wing is also optimally located.
Particularly advantageous is the placement of telescopically sliding the lever driving element, for example a water-jet propulsion. This not only provides an optimal location of the actuator at the wing positions, but also provides exposure drive force directly on experiencing hydrodynamic resistance of the structural element, so there is less stress of the material.
It is preferable to provide that the seizure took drive element and had a flow-through channels for the inflow and outflow of water. Thus, the drive element can be used also when the wing is fully retracted to provide a minimum draft of the vessel.
Hereinafter, the present invention is explained in detail by means of the variants of its implementation, is depicted in the drawings. They are schematically presented:
Fig.1-4 - kinematics of various embodiments of the invention in the form of schematic representations in cross-section;
Fig.5 - three schematic diagrams for explanation of the essence of the invention;
�IG.6, Fig.8 and Fig.10 is a schematic image of one of the embodiments of the invention in different positions (top view);
Fig.7, Fig.9 and Fig.11 is rear view of the provisions of Fig.6, Fig.8 and Fig.10;
Fig.12 - additional scheme of one of the embodiments of the invention;
Fig.13 is a diagram for explanation of the invention;
Fig.14 - four diagram for explanation of the invention;
Fig.15 - five diagrams for explaining a multi-variant (latitude of adjustment range);
Fig.16 - four schematic of an alternative embodiment of the invention in a representation corresponding to Fig.15:
Fig.17 - five schemes for possible explanations of the provisions in the following embodiment of the invention;
Fig.18 - five diagrams to explain the following alternative embodiment of the invention;
Fig.19 and Fig.20 - additional schema to explain the possibilities to get around (outriggers);
Fig.21 - three circuits of the next embodiment of the invention;
Fig.22 - three schematic of an alternative embodiment of the invention;
Fig.23 - five schemes next alternative embodiment of the invention;
Fig.24-27 diagram for explaining the following embodiments of the invention, respectively;
Fig.28, Fig.29 - the following variants of the invention accordingly�enny, front view; and
Fig.30-36 - the following variant embodiment of the invention in different positions.
In shown in Fig.1 embodiment, the invention provides a main body 1 with the add-1a on which a rotary levers 3a, 3b are two outrigger 2a, 2b. However, in the extreme case main body 1 may also consist of mechanical structures and, thus, does not have to perform the lifting function. The outriggers 2a, 2b may, however, also be mounted directly on the main body 1. The outriggers 2a, 2b through the second rotary axes 5a, 5b are pivotally mounted on swing arms 3a, 3b. In the left half of the image in Fig.1 shows the movement of one of the outriggers 2a from the position in which it is directly adjacent to the main body 1 in a lateral position at some distance from the main body 1, that is, the movement in the direction of the double arrow 21, through appropriate guiding slides of the first rotational axis 4a is lowered in the direction of the double arrow 22, and the rotary lever 3a is accordingly rejected. During this movement of the outrigger 2a shall not commit any of the turn.
In the right half of the image in Fig.1 shows that the right outrigger 2b by lowering the first rotational axis 4b � the direction of the double arrow 23 is first moved down (double arrow 24). This is followed by the rotation of the outrigger 2b in the direction of the double arrow 25, so that the outrigger 2b is located under the main body 1.
It is seen that in Fig.1 to the left and to the right shows two types of movement, which, however, are implemented in practice, usually symmetrically.
Fig.2 shows the image embodiment of the invention similar to Fig.1, and the difference between this embodiment of the invention from that shown in Fig.1 is that the second rotational axis 5a, 5b are pivotally connected to the outriggers 2a, 2b, not from the inner side and outer side. Shown to the left moves the outrigger 2a in the direction of the double arrow 21 is carried out substantially similarly to the embodiment of the invention in Fig.1. The movement of the outrigger 2b in position under the main body 1, however, is different. The outrigger 2b by means of the inclined pivot arm 3b is first moved downward, in the direction of the double arrow 24, and then turning the lever 3b is rotated clockwise, so that the outrigger 2b in the direction of double arrow 26 moves to the left in position under the main body 1. In contrast to the variant embodiment of the invention in Fig.1, with this motion, no rotation of the outrigger 2b.
Shown in Fig.3 variant of�of westline of the invention in its fundamental design largely corresponds to the embodiment of the invention in Fig.1, in particular, the outriggers 2a, 2b so are placed in their positions, adhering to the main body, the second rotational axis 5a, 5b are located on the inner side. Shown in the right half of Fig.3 the movement is almost identical to the movement shown in Fig.1. The difference, however, is the rotation of the outrigger 2a in a lateral position near the main body 1. Simultaneously with the deflection of the rotary lever 3a and the movement of the outrigger 2a from the main body 1 in the direction of the double arrow 21, this is rotation of the outrigger 2a in the counterclockwise direction (double arrow 27).
In shown in Fig.4 embodiment, which largely corresponds to the embodiment of the invention shown in Fig.2, shown in the left half of Fig.4 move the outrigger 2a in a lateral position at some distance from the main body 1 in a manner similar to the movement shown in Fig.2. However, the turning arm 3a by setting the rotary axis 5a in the guide slide 7 fully secured to the superstructure 1a, similar to Fig.1. Excellent also is shown to the right moves the outrigger 2b in position under the main body 1. First down swing lever 3a in the direction of the double arrow 23, and then the outrigger 2b through� guide slide 7 is pushed under the main body 1 (the double arrow 28).
Fig.5 schematically shows the three principal provisions of the proposed in the invention of the ship according to this embodiment of the invention. In the top position both outrigger 2a, 2b is located on the side of the main body 1 at a certain distance from him. In the second position (below) the outriggers 2a, 2b directly adjacent to the main body 1, and the third picture on the outriggers 2a, 2b are in the closed position under the main body 1.
Fig.6-11 shows the possible embodiment of the invention according to Fig.1 and Fig.2 in different positions, namely in the left half of the respective drawings shows an embodiment of the invention,according to Fig.2, while the right half of the drawing shows an embodiment of the invention according to Fig.1.
Fig.6 and 7 shows the position of the outriggers 2a, 2b, when placed side from the main body 1 at a certain distance from him. Fig.8 and 9 shows the position of the outriggers 2a, 2b when they are directly adjacent to the main body. One can see that the position of the rotary switches 3a, 3b are different, as shown in the left half of the embodiment, the second rotational axis 5a, 5b are arranged on the outer side, as shown at right in an embodiment, they are arranged with internal �torony. Fig.10 shows the position of the outriggers 2a, 2b under the main body, and the left outrigger 2a is retracted, and the right outrigger 2b is rotated, as described above, the explanation of Fig.1 and Fig.2.
Fig.12 shows a variant embodiment of the invention with enhanced capabilities for moving (outriggers). In the left half of Fig.12 shows the range of movement of the outrigger 2a omitted when the first rotational axis 4a. The outrigger 2a can be transferred not only to the position under the main body 1, but may also be omitted even lower, so that between the outrigger 2a and the main body 1 to be some distance. Pivot arm 3a from its horizontal position can be rotated not only downwards, but also upwards, so that the outrigger 2a can be moved to a position above the main body 1. In addition, as shown in the right half of Fig.12, the first pivot axis 4b by means of the guide slide 7 can also be moved upward, so that the range of movement of the outrigger 2b even stronger increases.
In shown in Fig.12 embodiment, the movement of both rotary switches 3a, 3b do not necessarily have to be symmetrical. In particular, the position of rotary axis 4b along the guide slide 7 can be set stepwise. The circuit of Fig.13 shows that the left outr�ger 2a relative to the main body 1 is tilted down, while the right outrigger 2b in the same way elevated. However, the water surface will be installed is shown in Fig.13 position with tilted clockwise the main body 1, which, for example, is especially recommended when driving on the turn. There is the idea of balancing in a side roll with excitement.
Fig.14 shows four schemes as may be aligned with the tilted main body 1. First, the outriggers 2a, 2b are transferred respectively in the lowermost or uppermost position relative to the main body 1, and then gradually moved to the middle position. Top to bottom the diagrams in Fig.14 shows the alignment process of the main body 1.
Fig.15 and 16 show respectively five and four schemas that extend the capabilities embodiment of the invention according to Fig.12. In this Fig.15 refers to a fundamental embodiment of the invention shown in Fig.1, and Fig.16 refers to a fundamental embodiment of the invention shown in Fig.2. Through these options, in particular, may be the conversion of a trimaran using a catamaran in a single vessel, with all related changes in the dynamic qualities and characteristics.
In addition to the standard location of the outriggers 2a, b side from the main body 1 at a certain distance from it can be obtained catamaran with greater width shown in the second diagram. The third diagram in Fig.15 shows a catamaran with a reduced width, and the fourth scheme, the outriggers 2a, 2b stowed under the main body 1 and is shifted downwards. This achieves a particularly maneuverable, but at the same time, the unstable dynamic quality. The fifth circuit outriggers 2a, 2b is located below the main body 1 and directly adjacent to it. The third and fourth diagram in Fig.16 correspond to the fourth and fifth circuits in Fig.15 respectively.
Fig.17 shows the five provisions embodiment of the invention, wherein on the main body 1 and the outriggers is provided a retractable underwater wings 6. Retracted wings 6 for simplicity is not shown here, which in this case is justified because the wings 6 in the stowed position are placed in the invisible in the drawing, the recesses.
The first diagram in Fig.17 shows the position disposed laterally at some distance from the main body 1 of the outriggers 2a, 2b respectively with extended wings 6. In use hydrofoil functionally the ship is a catamaran. The second scheme corresponds to the first scheme with the difference that the main body 1 is raised relative to the outriggers 2a, 2b. In this case, the wings are extended only on the outriggers 2a, 2b.
Needless to say, h�about the first two schemes apply not only to the vessel in the main body 1 of which although provides for the wings 6, but they are removed, but also to the vessel main body 1 which is not provided hydrofoil.
The third diagram in Fig.17 refers to the position corresponding to the first scheme, with the difference that on the main body 1 is extended wings 6. The fourth circuit corresponds to the second scheme, the wings 6 of the main body 1 is advanced at a greater distance with regard to the uplifted position of the main body 1. The fifth circuit nominated only wing 6, the body 1 being provided through the outriggers 2a, 2b.
Fig.18 substantially corresponds to Fig.17, with the difference that these schemes do not refer to the embodiment of the invention according to Fig.15, and to the embodiment of the invention of Fig.16, expanding it accordingly through the use of underwater wings 6.
Fig.19 shows the various modes of travel (outriggers) to achieve the same end position as that in the embodiment of Fig.1. In the left half of the image in Fig.19 the outrigger 2a is lowered, while the pivot arm 3a is rotated to the first rotational axis 4a in the counterclockwise direction. On the second rotational axis 5a is not happening any traffic, so that the outrigger 2a in the lower position in the end is rotated 90° relative to ver�provisions. In the right half of the image in Fig.19 the outrigger 2b in the process of turning moves on the principle of a parallelogram-type suspension and does not change its angular orientation. Only when the rotary lever 3b is in its perpendicular end position, the outrigger 2b by turning on the second rotational axis 5b is moved to its end position. End position of the outriggers 2a, 2b in both cases the same.
Fig.20 shows the rotation carried out in the embodiment of Fig.2. In the left half moves of the same type as that in Fig.19. In the right half of the movement of the outrigger 2b is carried out again on the principle of a parallelogram-type suspension, and in this case, in the end position, no rotation, so that the outrigger 2b remains parallel to its initial position.
Fig.21 and 22 shows the various simplified versions of the invention proposed in the invention of the ship in which the outriggers 2a, 2b can only be rotated relative to the main body 1. In Fig.21 an embodiment, there is turning down, while in Fig.22 embodiment, the invention takes a turn upwards. Of course, in Fig.22 to allow such rotation, respectively�Estulin way to accommodate various add-ons 1b of the main body 1. Fig.23 shows the five different provisions according to the embodiment of the invention, in which the outriggers 2a, 2b can be located above the main body 1 in the shape of the roof.
Fig.24, Fig.25, Fig.26 and Fig.27 shows other possible rotations and shifts of the outriggers 2a, 2b relative to the main body 1. This pivot arm 3a has a very small length or absent (length tends to zero).
Fig.28 and Fig.29 show various embodiments of the invention, in which the outriggers 2a, 2b can be located above the main body 1, and Fig.29 gable is the configuration of the outriggers 2a, 2b, which, for example, can be used as a protective cage during a rollover.
In shown in Fig.30-34 embodiments, the outriggers 10a, 10b respectively pivotally connected with the mechanism which has two interconnected rotary lever 3a, 3c or 3b, 3d. Outriggers 10a, 10b can be mounted on the outer swivel arm 3c, 3d with the possibility of rotation relative to the longitudinal axis, to further expand the range of control.
Fig.30 outriggers 10a, 10b are located under the main body 1a, which here serves only as grounds for hidden structural elements (add-ons) and by itself is not necessarily floating. Both o Autry�EPA 10a, 10b form in this case a single rigid body, i.e. their outer sides they form the shape of the vessel and their inner sides are flush with each other. This is a typical position for driving at high speed, whereby lateral stability is achieved dynamically.
In the position shown in Fig.31, outriggers 10a, 10b are located on the side under the main body 1a at a distance from each other, thereby achieving internally stable position.
Further, the offset (flop) outriggers 10a, 10b leads to the situation shown in Fig.32, in which the swivel arms 3a, 3c or 3b, 3d is a straight elongated position.
Additional option regulation shown in Fig.33, where the main body 1a is elevated. Fig.34 shows the position for driving in rotation with the corresponding orientation of the main body 1a.
Fig.35 and 36 shows another aspect of this embodiment of the invention. Swing arms 2a, 2b are the wings 6, which thus can be adjusted in height, as the swing arms 2a, 2b can be rotated relative to the centers of rotation 22 or 23. Fig.35 and 36 shows the swing arms 2a, 2b, respectively in front, the retracted position in which the wings 6 are located in their recesses, as well as in extended Polo�attachment, in which the wings 6 are located at some distance under the outriggers 10a, 10b. Rooms 20 and 21 reference position represents the additional recesses, which are provided inside the outriggers 10a, 10b to a position corresponding to Fig.30, to allow pivoting of the levers 2a, 2b through the rest immediately adjacent to each other outriggers 10a, 10b.
1. Means of water transport with the main body (1; 1a) and at least one installed with the possibility of adjusting the height of the outrigger (2A, 2b), characterized in that provided at least two outrigger (2A, 2b) which are in position under the main body immediately adjacent to each other and constitute a single rigid body.
2. Means of water transport according to claim 1, characterized in that the blades (2A, 2b) in at least one position along a single plane, preferably along a median plane of the ship, without a gap adjacent to each other.
3. Means of water transport according to claim 1, characterized in that the blades (2A, 2b) mounted on the main body (1; 1a).
4. Means of water transport according to claim 1 or 2, characterized in that the at least one outrigger (2A, 2b) is mounted on the main body (1; 1a) by means of a mechanism having at least two pivot arm (3A, 3c; 3b, 3d).
5. Means of water transport�TA according to any one of claims.1-3, characterized in that at least two outrigger (2A, 2b) are mounted for rotation independently of each other.
6. Means of water transport according to any one of claims.1-3, characterized in that at least one outrigger (2A, 2b) is movably mounted on the rotary lever (3A, 3c; 3b, 3d).
7. Means of water transport according to claim 6, characterized in that the outrigger (2A, 2b) mounted on the rotary lever (3A, 3c; 3b, 3d) with adjustable height and rotation.
8. Means of water transport according to claim 6, characterized in that the pivot arm (3A, 3c; 3b, 3d) is pivotally mounted on it is adjustable in height.
9. Means of water transport according to any one of claims.1-3, characterized in that the turning device is provided for moving the outrigger (2A, 2b), which is made in the form of a parallelogram-type suspension.
10. Means of water transport according to any one of claims.1-3, characterized in that at least one outrigger (2A, 2b) are arranged wings (6).
11. Means of water transport according to any one of claims.1-3, characterized in that the body (1; 1a) are the wings (6).
12. Means of water transport according to claim 10, characterized in that the basic body (1; 1a) or in the outrigger (2A, 2b) is provided with a recess (20, 21), which takes wing (6) in position on the main body (1; 1a), respectively, outrage�and (2A, 2b).
13. Means of water transport according to claim 11, characterized in that the basic body (1; 1a) or in the outrigger (2A, 2b) is provided with a recess (20, 21), which takes wing (6) in position on the main body (1; 1a), respectively, an outrigger (2A, 2b).
14. Means of water transport according to claim 12 or 13, characterized in that at least one wing (6) is telescopically retractable or folding.
15. Means of water transport according to claim 12 or 13, characterized in that the wing (6) is mounted rotatably by means of a parallelogram-type suspension.
16. Means of water transport according to any one of claims.1-3, characterized in that a device for automatic movement of the outrigger (2A, 2b), which, when the vessel speed below a predetermined minimum speed translates the outrigger (2A, 2b) in a lateral position near the main body (1; 1a), and when the vessel speed is greater than the minimum speed is preferably translates the outrigger (2A, 2b) in position under the main body (1; 1a).
17. Means of water transport according to any one of claims.1-3, characterized in that at least one outrigger (2A, 2b) can be transferred from the lateral position near the main body (1; 1a) to a position above the main body (1; 1a).
SUBSTANCE: proposed hull comprises watertight wall with water line diving said wall to surface and underwater parts. At least one foil is arranged at the wall straight section on every board and inclined to waterline to displace vertically from underwater position to surface position and vice versa.
EFFECT: better propulsion of small motor vessels.
5 cl, 3 dwg
SUBSTANCE: ice breaker aft comprises ice breaking ledge rigidly secured at stem-post in the ship centre line and arranged behind rudder blade along ship motion. Top end of rudder blade turn axle extends thorough stem-post while bottom end is secured at the heel rigidly secured with keel. Said rudder blade turn axle is arranged on the side of ice breaking ledge side, said ledge being rigidly coupled by vertical prop with appropriate end of said heel to make a vertical protective frame around rudder propeller unit. Vertical prop rear edge is sharpened. Ice baffle plates are rigidly secured on both sides of stem-post at acute angle to horizontal plane at ship hull underwater surface, free ends of said plates are lowered under secured edges by at least to the level above below screw top edge. Distance from rudder blade turn axle to its rear edge does not exceed the radius of curvature described by said edge.
EFFECT: better controllability in reverse motion, higher reliability of rudder propeller protection.
3 cl, 3 dwg
SUBSTANCE: proposed vessel consists of three modules. Mail and fuel hulls are arranged, each, at hydrofoil. Main hull with fuel hull and fuel hull with gliding tug are connected for vertical displacement. Water jet turbopump inlet and outlet are aligned at front view. Outlet pipe in projection on vertical plane is inclined to gliding site at 45 degrees. Turbojet is arranged at top section of transom area and is equipped with free turbine engaged with water-jet turbopump. Proposed airfoil vessel consists of three modules. Main hull with gliding site and airfoil can displace horizontally. This vessel is equipped with high-lift device.
EFFECT: lower drag, higher hydrodynamic properties, enhanced performances.
4 cl, 3 dwg
SUBSTANCE: catamaran comprises two parallel hulls with connection elements, venting unit with drive mounted at catamaran fore and channels for air feed from the plant. Both hulls feature a flat-bottomed design. Outlet ends of said channels are directed to hull bottom at acute angle. Note here that said outlets of channels are made in said bottom as crosswise slits or rows of holes made uniformly over the bottom length.
EFFECT: higher speed, power savings in motion under water.
SUBSTANCE: collapsible catamaran comprises two floats, collapsible carcass, composite connectors and connecting fasteners. Said floats are furnished with eyebolts, crosswise stability stabilizers, fore baffle plate, lower and upper support levers. Cabin collapsible carcass consists of vertical props, lengthwise and crosswise plates. The latter are provided with sleeves and angle pieces consisting of brackets, left and right shaped angle pieces, lateral and inner angle pieces.
EFFECT: simplified design, higher strength and reliability, better mobility and stability.
2 cl, 4 dwg
SUBSTANCE: hydrocycle includes hull, engine, clutch coupling, reducing gears, control mechanisms. The hull is made streamlined, cigar-shaped, with front transverse step and flat bottom. In the upper part of hull, driver's seat is installed at the sides of which horizontal stabilisers with elevating rudders are fixed. After stabilisers, water-aerial rudder is installed. Inside the middle part of body, through cylindrical channel is made which opens to top surface of hull and ends on flat surface of bottom behind step and is covered from top and from bottom by safety grids. In the upper part of through cylindrical channel, axial-flow air blower is installed behind which antivirtex device is placed. The engine is placed in the fore part of hull, revolving reducing gear and intrachannel reducing gear are connected with axial-flow air blower via clutch coupling. On the top part of hull, T-shaped handle is installed with possibility to turn in horizontal plane and kinematically connected water-aerial rudder and right and left elevating rudders and with possibility of separate turning in vertical plane.
EFFECT: improved technical characteristics of vessel.
FIELD: engines and pumps.
SUBSTANCE: invention relates to shipbuilding and can be used also for fabrication of propeller screws for various vessels. For fabrication of the propeller helicoid screw a screw shaft is designed with a possibility of rotation, on the surface of which the blades of the propeller screw of the vessel hull are provisioned in series. The shaft is designed as two halves the end of which is hinge-jointedly placed in an active clamp. The active clamp is fixed in a middle part of a rigid cover with round surface from its bottom side and they are connected functionally with the machine for transfer of the rotation moment to them. The opposite ends of two halves of the shaft are hinge-jointedly placed in a passive clamp which is fix in the top part of the linear rigid cover with a round surface of its opposite sides.
EFFECT: decrease of speed of rotation of running screws is achieved.
SUBSTANCE: invention relates to ship building, particularly to high-speed boats made of polymer composites. This crosswise hollow step is made of polymer composite comprises outer skin and damping elements composed by at least one plate (horizontally arranged diaphragm) located inside the step between skins of the vessel and step to connect vertical lengthwise diaphragms in height decreasing to vessel fore. Note here that lengthwise diaphragms on top and bottom sides of damping elements are shifted in crosswise direction relative to each other. Lengthwise diaphragms and sidewall with skin and damping elements are glued together with the help of thrust foam plastic to be secured to the skin and damping elements and covered by one or several plies of reinforcing material. Vulcanising-on angle-pieces are welded on step sidewalls and step skin. Step cavities arranged one above the other in one or two lengthwise cross-sections of the vessel (relative to ship centreline plane) are filled with high-density foam plastic.
EFFECT: decreased shock loads, lower drag on rough sea.
3 cl, 5 dwg
SUBSTANCE: proposed device comprises casing shaped to hollow truncated cone. Cone is shaped to vessel hull sizes and has its cross-section directed along motion. Case aft is provided with water-jet propulsor secured at sliding joints with clearance between cone case walls and those of water-jet propulsor.
EFFECT: higher efficiency, lower drag and noise.
SUBSTANCE: invention relates to navy exploiting high-navigability and high-speed vessels with power plants running on hydrogen fuel and the product of thermal dissociation of steam, that is, hydrogen and oxygen. Note here that sweet water stored in tanks is used as a heat carrier. This vessel comprises surface hull mounted at streamlined supports of underwater hulls, starting steam plant arranged in surface hull, sweet water tanks, main power plants with steam condensers to use sweet water as power carrier to produce useful power. Said power plants include gas turbine plant and steam plant engaged by shaft with electrical generator connected in electrical protection hardware. Steam units running of used hydrogen and oxygen of thermal dissociation gas turbines are connected via steam lines with steam collectors and plasma chemical heaters of said main power plants and refrigerators for cooling of said used hydrogen and oxygen. Steam units are connected to cooling system running on liquid metal heat carrier of the main power plants connected to steam turbines connected to electrical generators connected to switchboards and to capacitors. Plasma chemical heaters and reactors with their power supplies, motors connected with screw propellers are arranged in underwater hulls. It differs from known designs in that thermal dissociation gas turbine to produce useful power, hydrogen and oxygen incorporates plasma chemical heaters arranged regularly in circle to heat steam to temperature over 2000°C.Said plasma chemical heaters are connected to power supply and connected, on one side, via valve gear with high-temperature and high-pressure steam collector and, on opposite side, with reactors for thermal dissociation of steam to produce hydrogen and oxygen their temperature exceeding 2500°C. Threes are connected to power supply including HF generators and capacitor bank connected with diverging nozzles and cylinders of wave compressors. The latter incorporate water or liquid metal injectors connected to gas turbine fitted on the shaft engaged with electrical generator. Said turbine is provided with discharge pipe to force used hydrogen and oxygen into steam unit. Or, thermal dissociation gas turbine incorporates plasma chemical reactors for thermal dissociation of steam and production of hydrogen and oxygen with temperature over 2500°C and high pressure. Said reactors are connected via valves gears with high-pressure and high-temperature steam collectors on one side and, on the other side, with cylinders connected to aforesaid diverging nozzle and cylinders of wave compressors provided with water or liquid metal injectors connected with gas turbine. Said turbine is provided with discharge pipe to force used hydrogen and oxygen into steam unit. Also, it differs in that plasma chemical heaters, plasma chemical reactors for thermal dissociation of steam and production of hydrogen and oxygen with temperature over 2500°C, or plasma chemical reactors, diverging nozzles and wave compressor cylinders are provided with jackets for circulation of aforesaid coolants for cooling reactors for thermal dissociation of steam and production of hydrogen and oxygen with temperature over 2500°C and high pressure. Also, it differs in that plasma chemical heaters or reactors incorporate housing with jacket, cover and cap and electrode-cathode secured in housing, in electric insulation ply. Said cathode communicates with cooled nozzle, the anode, arranged at the angle to axes of said reactors. Or, plasma chemical heaters or reactors are arranged in one unit with light ionising additive injectors built therein and arranged in the axis of reactors. Note here that valve mechanism with high-pressure-and-temperature inlet valve is arranged at plasma chemical heater housing. Also, it differs in that valve mechanism comprises steam feed pipe and discharge valve with constrictor and spring. The latter is composed of tubular slider plugged on one side and fitted in cylinder secured at the housing. Said cylinder has openings in it and inlet valve tubular slider walls to intake steam in plasma chemical heater or reactor. Its differs in that said reactor is made of ceramic material with circular inductor arranged thereon and composed of copper pipes with jacket for circulation and cooling of reactor walls and inductor by water. Also, it differs in that steam plat for combustion of hydrogen and oxygen incorporates axial compressor connected with long pipes, combustion chambers arranged regularly in circle. They include injectors to ignite hydrogen in oxygen by injection of gaseous jets of conducting fluid thermal dissociation products with diverging nozzles and wave compressor cylinders connected to steam turbine. The latter is fitted on shaft engaged with electrical generator and incorporates branch pipe to discharge used steam into condenser. Besides, it differs in that said injector comprises casing with conducting liquid feed pipes. Said pipes are connected to cylindrical channels arranged inside the casing in insulating material ply. Electrodes connected to pulse generator are arranged on one side of said channels while, on opposite side, nozzle are arranged directed at the angle to each other and communicated with blast chamber of injector that has perforated bottom for escape of gas jets.
EFFECT: clean atmosphere.
FIELD: shipbuilding; manufacture of ship stabilization systems equipment with deeply-submerged hydrofoils.
SUBSTANCE: proposed marine hydrofoil is provided with units for determination of its speed and depth of submergence mounted on it and connected to shipboard computer. Mounted additionally on hydrofoil are units for determination of side slip and angle of attack which are also connected to shipboard computer.
EFFECT: enhanced efficiency.
FIELD: shipbuilding; building boats-catamarans for scientific work and pleasure boats for inspection of surface of fresh water and sea water basins.
SUBSTANCE: proposed boat-catamaran has floats located symmetrically relative to longitudinal axis and rigidly interconnected; floats are made in form of elastic gas-tight cylindrical skegs-pneumatic balloons. Each of them is located between flexible couplings and is engageable with its lower and upper surfaces by means of changeable safety ski and one of pylons. Pylons give support for disk-shaped cabin consisting of convex spherical upper and lower sections hermetically interconnected through intermediate all-round vision segment provided with bearing flange, control system and power plant mounted on transom plate which is secured on pylon bases. Boat is provided with float draft control mechanism which is made in form of gaseous working medium pressure regulators in cavities of floats-pneumatic balloons; it is connected with compressor receiver by means of gas lines. Power plant is provided with hinged column which is swivel in horizontal plane. Each float is provided with additional skegs-pneumatic balloons giving support for main skeg-pneumatic balloon along longitudinal axis. Lower spherical section of said cabin is provided with blisters in form of hermetic port lights in bottom. Pylons and changeable safety ski are provided with cradles engageable with main and additional skegs-pneumatic balloons by equidistant surfaces. Bearing flange of intermediate all-round vision segment of disk-shaped cabin is secured on pylons.
EFFECT: extended field of application.
6 cl, 4 dwg
FIELD: shipbuilding; designing fore portion of ship's hull with sonar antenna dome.
SUBSTANCE: ship's fore extremity includes inclined stem with V-shaped frames in the vicinity of design waterline, recess and section of bottom projecting downward; fore point of this bottom is located at level lying in lower half of draft. Frames are inclined towards CL at acute angle in the area of fore portion of projecting part of bottom. Tapering of waterlines near aft portion of section of bottom (dome) projecting downward ensures smooth curve of cross-sectional area near its aft portion; length of section of bottom (dome) projecting downward ranges from 0.1 to 0.2 of hull length over design waterline and ratio of projecting section of bottom (dome) to hull breadth on design waterline ranges from 0.25 to 0.4. Depth of lower point of projecting section of bottom (dome) exceeds hull draft amidships by 0.9 to 1.2 times; deadrise angle of projecting section of bottom (dome) is equal to 29° at lower point and cross-section of projecting portion of bottom (dome) is between stations 1 and 2.
EFFECT: improved seaworthiness and running characteristics of ship.
FIELD: shipboard equipment.
SUBSTANCE: proposed load-bearing structure is made in form of wing provided with toothed plates (16) on free edges for breaking the tip vortex formed due to pressure of liquid. Ridges made on edges of plates are used for fast dissipation of vortices in line of hydrophones (30) towed by ship (31) in conducting seismic trials at sea.
EFFECT: reduced noise interference to hydrophones.
7 cl, 10 dwg
FIELD: shipbuilding and aircraft manufacture; devices for reduction of resistance of water or air to motion of ship or aircraft.
SUBSTANCE: proposed device is made in form of taper semi-oval cover plate secured to side and provided with narrow inlet hole and wide outlet hole. Narrow inlet hole is oriented forward in way of motion.
EFFECT: enhanced efficiency.
FIELD: transport engineering; reduction of resistance to motion by forming viscoelastic coats on bodies.
SUBSTANCE: proposed method includes the following operations: (a) estimation of characteristics of turbulent boundary layer at preset rate of free flow making use of boundary conditions for rigid surface having the same shape and size as surface with coat; characteristics include thickness of boundary layer, phase rate and frequency corresponding to maximum energy-carrying disturbances, profiles of average rate, distribution of Raynolds stresses, distribution of shear stress on wall and friction resistance; (b) selection of properties of material of coat including density, complex shear modulus and thickness of coat at which coat subjected to action of stimulating function identical to load formed by this boundary layer and determined at stage (a) ensures maximum flux of energy with no disturbance in surface; (c) estimation of characteristics of boundary layer on coat at preset rate of free flow making use of amplitude of oscillations and energy flux corresponding to properties of material selected at stage (b) including the average rate profiles, distribution of Raynolds stresses, distribution of shear stresses on wall and friction resistance; (d) determination of reduction of friction resistance in percent as ratio to difference between magnitudes of friction resistance with and without coat estimated at stages (a) and (c) to friction resistance determined at stage (a) for determination of quantitative magnitudes of composition and configuration of coat; (e) forming viscoelastic coat from material or combination of materials selected at stages (a) thru (d).
EFFECT: enhanced efficiency of reduction of friction resistance.
15 cl, 4 dwg, 1 tbl
FIELD: shipbuilding; shipboard units for creating additional thrust.
SUBSTANCE: device is made in form of additional bottom located in fore extremity of ship and engageable with main bottom by means of inclined surface.
EFFECT: improved sea-going properties of ship and habitability for crew.
FIELD: shipbuilding; shipboard units for creating additional thrust.
SUBSTANCE: device is made in form of additional bottom located in fore extremity of ship and engageable with main bottom by means of inclined surface.
EFFECT: improved sea-going properties of ship and habitability for crew.
FIELD: shipbuilding; building of multi-hulled ships.
SUBSTANCE: proposed catamaran has two hulls in form of oblong cylinders with cone-shaped fore and aft extremities, decks, propellers and steering gear. Hulls are interconnected by means of horizontal transversal rods in above-water portion and longitudinal keel girder which is connected with hulls by means of inclined rods in under-water portion of hulls. Said connection members form truss together with hulls in form of triangular prism; adjoining to bases of this prism are pointed sections in form of triangular pyramids whose vertices lie on ends of keel girder. Angle at which faces of prism intersect is equal to 40-70 deg. Ratio of width between axes of hulls to their length is 0.5-1.5 and ratio of length of hulls to length of keel girder is equal to 0.3-0.9.
EFFECT: improved service characteristics of ship and improved sea-worthiness of ship.
10 cl, 5 dwg
FIELD: shipbuilding; anti-drift units.
SUBSTANCE: proposed anti-drift unit includes flexible parts of shell plating which may be sagged inside and outside the hull by means of drive.
EFFECT: enhanced compensation of ship's drift.