EP2262680A2 - Appareil d'oscillation et d'orientation d'une aube et cuve comprenant cet appareil - Google Patents

Appareil d'oscillation et d'orientation d'une aube et cuve comprenant cet appareil

Info

Publication number
EP2262680A2
EP2262680A2 EP09717171A EP09717171A EP2262680A2 EP 2262680 A2 EP2262680 A2 EP 2262680A2 EP 09717171 A EP09717171 A EP 09717171A EP 09717171 A EP09717171 A EP 09717171A EP 2262680 A2 EP2262680 A2 EP 2262680A2
Authority
EP
European Patent Office
Prior art keywords
main
vane
pivot
orientation
angle change
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.)
Withdrawn
Application number
EP09717171A
Other languages
German (de)
English (en)
Inventor
Mark Paish
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pulse Group Holdings Ltd
Original Assignee
Pulse Group Holdings Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB0804227A external-priority patent/GB0804227D0/en
Priority claimed from GB0814130A external-priority patent/GB0814130D0/en
Application filed by Pulse Group Holdings Ltd filed Critical Pulse Group Holdings Ltd
Publication of EP2262680A2 publication Critical patent/EP2262680A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/30—Propulsive elements directly acting on water of non-rotary type
    • B63H1/36—Propulsive elements directly acting on water of non-rotary type swinging sideways, e.g. fishtail type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • B63H25/382—Rudders movable otherwise than for steering purposes; Changing geometry

Definitions

  • the present invention relates to an apparatus for oscillating and orienting a vane and also to a vessel including such an apparatus. More particularly, but not exclusively, the present invention relates to an apparatus comprising a main lever adapted to oscillate from side to side, a vane pivotally connected to the main lever and an angle change assembly adapted to pivot the vane during oscillation of the main lever such that the angle of the vane is independent of the angle of the main lever, the apparatus further comprising means to adjust the angle of the vane. More particularly, but not exclusively, the present invention relates to a vessel including such an apparatus, the apparatus being attached to the hull of the vessel by a pivot.
  • Conventional propeller driven vessels are also known.
  • Such vessels comprise a separate rudder to steer the vessel.
  • Vessels whereby the steering is controlled by varying the angle of the propeller relative to the vessel are uncommon due to their complexity.
  • the present invention seeks to overcome the problems of the prior art.
  • the present invention provides an apparatus for oscillating and orienting a vane comprising a main lever connected to a main pivot;
  • a main drive linkage adapted to pivot the main lever from side to side about the main pivot in a pivot plane
  • a vane pivotally connected to the main lever remote from the main pivot and adapted to pivot about a vane axis
  • an angle change assembly adapted to pivot the vane about the vane axis during pivoting of the main lever such that the orientation of the vane relative to a fixed axis in the pivot plane is independent of the orientation of the main lever;
  • the apparatus further comprising a displacement means connected to the angle change assembly and adapted such that displacement of the displacement means alters the orientation of the vane relative to the fixed axis.
  • the apparatus of the current invention is relatively simple comprising few moving parts. It is also very flexible allowing the direction of travel to be altered merely by displacing the displacement means so changing the angle of the vane in the fluid. The apparatus therefore acts as both propulsion and steering means.
  • the apparatus further comprises a motor adapted to drive the main drive linkage.
  • the apparatus comprises a foot pedal connected to the main drive linkage and arranged such that displacement of the foot pedal drives the main drive linkage.
  • the vane is underbalanced.
  • the displacement means is slack the vane therefore feathers naturally in the flow.
  • the displacement means is self centering. This allows for hands free operation of the apparatus.
  • the displacement means comprises a handgrip arranged such that displacement of the handgrip alters the orientation of the vane relative to the fixed axis.
  • the displacement means comprises a wheel arranged such that rotation of the wheel alters the orientation of the vane relative to the fixed axis.
  • the angle change linkage comprises a main angle change arm parallel to the main lever and connected thereto by at least two side arms, the angle change assembly and main lever together forming a parallelepiped linkage.
  • the vane can be connected to at least one of the side arms of the parallelepiped linkage such that the vane maintains a fixed angle to the side arm.
  • the displacement means is connected to the main angle change arm and is adapted to displace the main angle change arm along its length.
  • a main drive linkage adapted to pivot the main lever from side to side about the main pivot in a pivot plane; a vane pivotally connected to the main lever remote from the main pivot and adapted to pivot about a vane axis;
  • an angle change assembly adapted to pivot the vane about the vane axis during pivoting of the main lever such that the orientation of the vane relative to a fixed axis in the pivot plane is independent of the orientation of the main lever;
  • the apparatus further comprising a displacement means connected to the angle change assembly and adapted such that displacement of the displacement means alters the orientation of the vane relative to the fixed axis;
  • the main pivot of the apparatus being connected to the hull.
  • Figure 1 shows a vessel including an apparatus according to the invention in perspective view
  • Figure 2 shows in schematic form an apparatus according to the invention pivoting about the main axis
  • Figure 3 shows the apparatus of figure 2 with a different orientation of the vane.
  • FIG. 1 Shown in figure 1 is a vessel 1 according to the invention including an apparatus 2 according to the invention.
  • the vessel 1 comprises a hull 3. Arranged on a top face 4 of the hull 3 is a seat (not shown) in which the operator sits in use.
  • the apparatus 2 comprises first and second main pivots 5,6 attached to the hull 3. Main levers 7,8 are connected to the main pivots 5,6 and are free to oscillate about the pivots 5,6 from side to side.
  • Foot pedals 9,10 are arranged on the top face 4 of the hull 3 in front of the seat and are free to be reciprocally displaced along guide rails 11,12 as shown.
  • the foot pedals 9,10 are arranged such that they can be reciprocally displaced by the feet of a user sat in the seat.
  • a main drive linkage 13 Arranged between the foot pedals 9,10 and the main levers 7,8 is a main drive linkage 13 arranged such that reciprocal displacement of the foot pedals 9,10 pivots the main levers 7,8 from side to side about the main pivots 5,6.
  • the main drive linkage comprises cords 14 connected between the foot pedals 9,10 and main levers 7,8. The cords 14 extend around the pivots 15 as shown such that the linear displacement of the foot pedals 9,10 causes rotation of the main levers 7,8 about the main pivots 5,6.
  • vanes 16,17 Pivotally connected to each of the main levers 7,8 remote from the main pivots 5,6 are vanes 16,17.
  • the vanes 16,17 are free to rotate about vane axes 18,19 which are substantially parallel to the main axis of the main pivots 5,6.
  • the vanes are fixed to the main levers 7,8 so that their centre of pressure is behind their axis of rotation. This makes the vanes underbalanced, and means that they will align themselves naturally with the flow.
  • displacement means 20,21 Arranged on each side of the seat on the upper face 4 of the hull 3 are displacement means 20,21, each comprising a hand grip (not shown) connected to a shaft 22,23. The end of each shaft 22,23 is pivotally connected to the top face 4 of the hull 3.
  • the hand grips are arranged such that a user sat in the seat can displace the hand grips backwards and forwards.
  • the hand grips are elastic and self centering. This, in association with underbalanced foils means that the system will operate hands free.
  • Angle change linkages 24,25 are connected between the vanes 16,17 and the hand grips.
  • Each angle change linkage 24,25 comprises a main angle change arm 26,27 at least a portion of which extends substantially parallel to the associated main lever 7,8 and connected to the hand grip shaft 23,23.
  • Each main angle change arm 26,27 is pivotally connected to the associated main lever 7,8 by first and second side arms 28,29,30,31.
  • One of the side arms 28,30 is connected to the associated main lever 7,8 at its associated main pivot 5,6.
  • the main levers 7,8, main angle change arms 26,27 and side arms 28,29,30,31 together form parallelepiped linkages.
  • Each vane 16,17 is connected to the side arm 29,31 proximate to the vane 16,17 such that the vane 16,17 remains at a fixed orientation relative to the side arm 29,31 during the side to side oscillation of the main lever 7,8.
  • a user reciprocally displaces the foot pedals 9,10 backwards and forwards.
  • the motion of the foot pedals 9,10 drives the main drive linkage 13 which in turn pivots the main levers 7,8 about the main pivots 5,6. If the hand grips are kept stationary then the parallelepiped linkages ensure that the orientation of the vanes 16,17 is not affected by the pivoting of the main levers 7,8. The orientation of each vane is therefore independent of the orientation of its associated main lever 7,8.
  • a user may adjust the orientation of a vane 16,17 by displacing the associated hand grip either backwards or forwards. Displacement of a hand grip displaces the associated main angle change arm 26,27 along its length. This rotates the side arms 28-31 relative to the main levers 7,8 by an amount related to the displacement of the hand grip so causing a corresponding rotation of the associated vane 16,17. As the main lever 7,8 pivots from side to side with the vane 16,17 in the new position the vane 16,17 maintains a new constant orientation although the orientation is now different to the original orientation.
  • the user reciprocally drives the foot pedals 9,10 causing the main levers 7,8 to pivot from side to side.
  • the main drive linkage 13 of this embodiment is adapted such that the main levers 7,8 pivot in antiphase, with the vanes 16,17 first being displaced away from each other and then towards each other.
  • the user displaces the grips such that each vane 16,17 is pivoted to a first orientation relative to a fixed axis, providing forward thrust as the vane 16,17 moves though the fluid.
  • the hand grips are displaced such that each vane 16,17 reverses its orientation relative to the fixed axis.
  • the vessel 1 can be driven backwards or round in a circle.
  • FIG. 2 shows in schematic form an alternative embodiment of an apparatus according to the invention. Like parts are referred by like reference numerals.
  • the main lever 8 pivots from side to side in a pivot plane about a main pivot 6. A fiducial fixed axis in the pivot plane is shown dotted.
  • the parallelepiped linkage 8,26,28,29 ensures that whilst the vane 16 is displaced from side to side it remains in fixed orientation to the fixed axis.
  • the orientation of the vane 16 is therefore independent of the orientation of the main lever 8.
  • Figure 3 shows the same embodiment as figure 2.
  • the displacement means 21 has been displaced, so tilting the parallelepiped linkage as shown. This pivots the vane 16 about the vane axis 18.
  • the vane 16 maintains a fixed orientation relative to the fixed axis although this is now a different orientation to figure 2.
  • the displacement means comprises a steering - wheel. Rotation of the wheel displaces the main angle change arms 26,27 forwards or backwards as required, so rotating the vanes 16,17.
  • the vessel 1 further comprises a motor connected to the main drive linkage 13 for driving the main levers 7,8 without the use of a users feet.
  • the foot pedals 9,10 are adapted to be rotated about a common axis similar to the pedals of a bicycle.
  • the vessel 1 comprises two main levers 7,8 driven by a main drive linkage 13.
  • the vessel 1 comprises one main lever having a vane connected thereto.
  • the vessel 1 comprises more than two main levers, each having at least one vane connected thereto..

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transmission Devices (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)

Abstract

La présente invention concerne un appareil permettant de faire osciller et d'orienter une aube comprenant : un levier principal raccordé à un pivot principal ; un mécanisme de commande principal conçu pour faire pivoter le levier principal d'un côté à l'autre autour du pivot principal dans un plan du pivot ; une aube raccordée par pivotement au levier principal distant du pivot principal et conçue pour pivoter autour d'un axe d'aube ; un ensemble de changement d'angle pouvant faire pivoter l'aube autour de l'axe d'aube lors du pivotement du levier principal, de sorte que l'orientation de l'aube par rapport à un axe fixe dans le plan du pivot soit indépendante de l'orientation du levier principal ; l'appareil comprend également un moyen de déplacement raccordé à l'ensemble de changement d'angle et conçu de manière à ce que le déplacement du moyen de déplacement modifie l'orientation de l'aube par rapport à l'axe fixe.
EP09717171A 2008-03-07 2009-03-09 Appareil d'oscillation et d'orientation d'une aube et cuve comprenant cet appareil Withdrawn EP2262680A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0804227A GB0804227D0 (en) 2008-03-07 2008-03-07 An apparatus for oscillating and orienting a vane and a vessel including such an apparatus
GB0814130A GB0814130D0 (en) 2008-08-01 2008-08-01 An Apparatus for oscillating and orienting a vane and a vessel including such an apparatus
PCT/GB2009/000641 WO2009109768A2 (fr) 2008-03-07 2009-03-09 Appareil d'oscillation et d'orientation d'une aube et cuve comprenant cet appareil

Publications (1)

Publication Number Publication Date
EP2262680A2 true EP2262680A2 (fr) 2010-12-22

Family

ID=41009002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09717171A Withdrawn EP2262680A2 (fr) 2008-03-07 2009-03-09 Appareil d'oscillation et d'orientation d'une aube et cuve comprenant cet appareil

Country Status (3)

Country Link
US (1) US20110028056A1 (fr)
EP (1) EP2262680A2 (fr)
WO (1) WO2009109768A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8784148B2 (en) 2012-12-14 2014-07-22 Brice Thouret Propulsion device for use with a fluid

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE80291C (fr) *
US3880107A (en) * 1974-01-18 1975-04-29 John C Miles Propulsion device for water craft
US4040375A (en) * 1975-09-22 1977-08-09 The Edson Corporation Boat steering system
FR2359744A1 (fr) * 1976-07-29 1978-02-24 Roche Kerandraon Saulses Freyc Dispositif de propulsion perfectionne pour les navires
US5000706A (en) * 1989-10-20 1991-03-19 Wang June C Rocker type propulsion mechanism for a boat
US5401196A (en) * 1993-11-18 1995-03-28 Massachusetts Institute Of Technology Propulsion mechanism employing flapping foils
US6997765B1 (en) * 2003-05-14 2006-02-14 Mcguinness Thomas G Vessel propelled by oscillating fin with control mechanisms
GB2426794B (en) * 2005-06-03 2010-06-02 Pulse Generation Ltd An apparatus for oscillating a vane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009109768A2 *

Also Published As

Publication number Publication date
WO2009109768A2 (fr) 2009-09-11
US20110028056A1 (en) 2011-02-03
WO2009109768A3 (fr) 2009-11-05

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