Telescopic sailing arrangement

专利摘要:

公开号:SE1001108A1
申请号:SE1001108
申请日:2010-11-15
公开日:2012-05-16
发明作者:Per Fagerlund；Bengt Ramne
申请人:Scandinaos Ab；
IPC主号:

专利说明:

SpecieII Part Problem Solving The present invention is an arrangement constructed with fixed profiles that are positioned so that they can be telescopically contracted, one panel in the other. As the sailing area is reduced by pulling the panels into each other, the inner panels provide support for the outer panels and reduce wind power and wind torque. This means that reduced sailing area with increased wind gives the remaining sailing area greater strength.
The arrangement can be made self-supporting, ie. the rigid sail sections also form the load-bearing structure. The lowest sail panel is then firmly connected to the mast foot and brings the wind power down to the hull. Alternatively, a central mast arrangement can be arranged which is integrated with the sail panels and telescopically assembled with each other. In the latter case, both masts and sails contribute to the load-bearing structure and it then also becomes possible to rotate the panels relative to each other. Since the wind strength and thus the relative wind direction varies with the height from the water surface, the rotation makes it possible to create an optimal angle of attack over the entire height of the rig. In its contracted position, the arrangement can be folded down at the mast foot so that it constitutes minimal wind resistance in the event of an unfavorable wind direction or in the event of too high wind strength.
For the central mast arrangement, the mast sections can be arranged so that the upper sections either go on the outside or inside the lower sections. If the upper sections go inside the lower sections, the sail panels are arranged at the top of each mast section.
Operation of the panels can be arranged with wire and winch where the winch can be either a rotating drum winch or a linear wire winch. Operation of the upper panels can then be arranged with a so-called passive wire which, by being connected to the panel to be hoisted and to a lower panel, can transmit the vertical movement from the lower panel.
Operation of the panels can also be arranged with - linear devices such as hydraulic or pneumatic cylinders - gear drive with rack and electric, hydraulic or pneumatically driven gear drive - chain or chain drive - screw jack At the bottom of the lower section (la) or in the mast foot a turning arrangement so that the entire sailing arrangement can be turned so that it is at an optimal angle to the wind.
The turning arrangement is performed according to existing technology for e.g. turning of crane foundations.
At the bottom of the lower section (1a) or in the mast foot (4) a folding arrangement is arranged so that the entire sail arrangement can be folded so that it constitutes minimal resistance and wind deflection in case of too strong or unfavorable wind direction. The arrangement provides the following important advantages: allows larger sail area to be installed initially as the ability to tear in severe weather satisfies the safety and comfort aspect.
- The possibility of greatly reducing the sail area reduces to a corresponding degree the increased resistance in headwinds.
- The way of telescopically arranging the wing profiles means that a perfect wing profile, with a minimum flow-disrupting circumferential arrangement, can be arranged.
- The telescopic arrangement provides good opportunities to reduce the inconveniences with a high rig at bridge passages, load handling, etc.
- Reduction of the sailing area gives the event increased strength.
Figures Figure 1 Sail panel in the form of a rigid wing profile Figure 2 F »The panels 1a, 1b, 1c, and 1d can be gradually contracted to reduce the sail surface and at the same time increase the strength of the load-bearing structure. The contracted sections fold horizontally Figure 2 - I, Maximum sail area fully extended sections. The overlap between the sections contributes to structural integrity so that the force on the sail panels can be brought down into the mast foot and the ship's hull. Figure 2 - ll, Reduced sail area Figure 2 - lll, Fully contracted sections Figure 2 - IV, Figure 3 - I, Maximum sail area fully extended sections. The sections rotated for optimal angle of attack against the relative wind direction Figure 3 - ll, Minimal sail area. The sections rotated for optimal angle of attack against the relative wind direction Figure 3 - lll, Fully contracted sections. The sections turned for reduced wind resistance in unfavorable wind direction Figure 3 - IV, The arrangement folds for minimal wind resistance Figure 4 Design where the sail panels are self-supporting without center mast Figure 5 Version with sail panel with telescopic center mast Figure 6 Operating arrangement (3a) which is connected to a winch which may be a drum winch as in the figure or a linear winch so called jiggvinsch. The upper panels are raised and lowered, respectively, in that the wires (3b and 3c) are fixed in the respective panel and in a lower panel so that the movement of the lower panel is thereby transmitted to the upper panel.
The same principle of maneuvering can be used both in the case of self-supporting sail panels and in the case of center masts and regardless of whether the panels are lowered on the outside or in each other.
Figure 7 Arrangement where a linear actuator e.g. a hydraulic cylinder is arranged so that it can rotate the sail panel relative to the mast so that the sail profile has a rotation which is adapted to the varying wind conditions along the vertical extent of the rig. The design of the panel makes it flexurally rigid to withstand wind power and wind torque, but so flexible from a rotational point of view that the profile can be adjusted in this way.
Alternative methods of effecting rotation by means of gears and ring gear, wire, rope, chain or chain can also be arranged.
Figure 8 Version where the upper mast is lowered into the lower mast and the upper sail panel is lowered into the lower sail panel Figure 9 Version where the upper mast is lowered into the lower mast and upper sail panel | lowered on the outside of the lower sail panel Figure 10 Version where the upper mast is lowered on the outside of the lower mast and the upper sail panel is lowered into the lower sail panel

权利要求:
Claims (7)
[1]
Device for utilizing wind energy for the operation of a vessel. The device consists of two or more sections (1a, 1b, ...) which can telescopically go into each other and thus create a varying sail surface.
[2]
Device according to claim 1, wherein the sections function both as sails and completely or partially constitute the supporting structure of the device.
[3]
Device according to claims 1 and 2, wherein the sections are self-supporting rigid structures.
[4]
Device according to claims 1 and 2, wherein the sections (1a, 1b, ...) together with a telescopic mast arrangement (2a, 2b, ..) constitute the supporting structure.
[5]
Device according to claims 1 and 2, wherein the arrangement can be rotated relative to the vessel in order to give the wing profiles the best possible angle of attack relative to the wind.
[6]
Device according to claims 1, 2 and 4, wherein the sections can be rotated relative to each other by means of an arrangement (4) for creating an optimal shape for utilizing the wind energy, taking into account the wind strength and direction varying with height above the water.
[7]
Device according to claim 1, wherein the telescopic movement, i.e. increase and decrease of the sail surface is arranged by electrically, pneumatically or hydraulically driven rotating or linear winch, actuator, rack, wire, rope or chain arrangements.

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同族专利:

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公开号 | 公开日

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SE535362C2|2012-07-10|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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WO2021005420A1|2019-07-05|2021-01-14|Tannhaeuser Gunter|Telescopic square sail device|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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SE1001108A|SE535362C2|2010-11-15|2010-11-15|Telescopic sailing arrangement|SE1001108A| SE535362C2|2010-11-15|2010-11-15|Telescopic sailing arrangement|