WO2012168224A2 - Moteur à contraction ainsi que nageoire battante pourvue d'un tel moteur à contraction - Google Patents

Moteur à contraction ainsi que nageoire battante pourvue d'un tel moteur à contraction Download PDF

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Publication number
WO2012168224A2
WO2012168224A2 PCT/EP2012/060576 EP2012060576W WO2012168224A2 WO 2012168224 A2 WO2012168224 A2 WO 2012168224A2 EP 2012060576 W EP2012060576 W EP 2012060576W WO 2012168224 A2 WO2012168224 A2 WO 2012168224A2
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WO
WIPO (PCT)
Prior art keywords
fin
electromagnets
contraction
contraction motor
angle
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.)
Ceased
Application number
PCT/EP2012/060576
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German (de)
English (en)
Other versions
WO2012168224A3 (fr
Inventor
Bernhard KÖHLER
Philip G. SCHWARZ
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.)
MOTONAUTIC UG
Original Assignee
MOTONAUTIC UG
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
Application filed by MOTONAUTIC UG filed Critical MOTONAUTIC UG
Publication of WO2012168224A2 publication Critical patent/WO2012168224A2/fr
Publication of WO2012168224A3 publication Critical patent/WO2012168224A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H02K16/025—Machines with one stator and two or more rotors with rotors and moving stators connected in a cascade
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/12—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking

Definitions

  • the present invention relates to a contraction motor by means of which tensile forces can be transmitted.
  • Contraction motors can be used in robotics, in the
  • the invention thus also relates to a
  • the present invention can also be used in swimming or diving fins.
  • the present invention relates in particular impact fins, with at least one reciprocable fin which is pivotable about an axis transversely perpendicular to the longitudinal extent of the body and to its direction of movement (its stroke).
  • Such a pommel is for example from the
  • a flapping fin that makes this possible is known, for example, from WO 03/062048 A, but has a complex positioning motor. So is the integration of
  • the object of the present invention is to provide a contraction motor, which is able to transmit high forces in a compact design.
  • Such a contraction motor has several in series
  • each adjacent electromagnets are axially spaced from each other and the electromagnets are guided by a recording, the distance between the electromagnets to each other in the idle state in which the electromagnets do not attract each other or the maximum extent of the contraction motor in its longitudinal or
  • the contraction of the contraction motor can be precisely controlled and regulated.
  • the electromagnets When used in a flapping fin (see later) and activation, the electromagnets generate a tensile force by mutual attraction, i. H. the engine pulls on the respective end of the at least tensile forces transmitting element.
  • the definition of the ends in the longitudinal direction of the elements can be changed in the case of a flapping fin.
  • Electromagnet an elastic element for restoring or maintaining a defined distance between
  • the elastic elements may be in the form of spacer rings or spacers and hold the cores of the electromagnets at a defined distance from one another.
  • the elastic elements may be, for example, elastic or
  • resilient discs act between the electromagnets are used. But there are also springs or other elements conceivable.
  • the receptacle can be formed from non-stretchable trains, fibers, ropes, wires, strips of material, etc. Also, it may be formed from a non-stretchable stocking or hose. Likewise, however, a rigid housing is possible. A rigid housing would, however, the mobility across the row, as will be mentioned later, prevent.
  • the contraction motor can be contracted or shortened stepwise or in whole sections or as a whole.
  • the contraction force is determined by the size, d. H. determines the number of windings of the electromagnets and their power supply, while the contraction distance of the distance of the iron cores to each other, d. H. the air gap and the number of electromagnets or the number of their distances from each other is determined.
  • a large contraction force is achieved as the electromagnet chains or their contraction force adds.
  • several chains are added while maintaining the same contraction force, which are connected in series.
  • wave-like, zigzag or may be formed at only two V-shaped.
  • Such a contraction motor is advantageously used in a flapping fin.
  • the generation of a flow through a flapping fin is influenced in particular by the following parameters.
  • pneumatic, hydraulic or motor z. B. with an electric stepper motor, a linear electric motor or a contraction motor, as will be described later, can be adjusted.
  • the setting of the angle of attack will be discussed in particular and primarily. However, it is also according to the invention and without the adjustment of the angle conceivable to change only the fin extension and / or the fin stability or curvature.
  • the resultant of the inflow of the fin results on the one hand from the movement of the body through the fluid (with a flow component of the fluid itself) and
  • the present invention is therefore based on the idea to continuously adjust the angle of attack of the fin to the flow of the fin or (depending on the flow) (forced) to regulate. Accordingly, the present invention proposes a flapping fin having a contraction motor as described above for moving a body in a fluid.
  • the body may be a watercraft or another
  • the invention is transferable to bodies moving in air as fluid.
  • the present invention can also be used in reverse mode, d. H. it is passively used to generate energy in a flowing fluid.
  • the fin is set in motion by the flowing fluid and the movement is converted into electrical energy.
  • Flapping fin according to the present invention
  • the reciprocating motion of the fin is also referred to below as lifting movement.
  • Flipper surface can be primarily vertically similar to the
  • a plurality of fins which are preferably movable in opposite directions in this case, are conceivable, which are arranged side by side and / or one behind the other.
  • the fin is pivotable about an axis transverse to the longitudinal extent or direction of movement of the body and to the direction of movement (to the stroke) of the fin. It does not have to be an existing axis. Rather, it can also be imaginary.
  • the fin can be pivoted by a hinge with a pivot axis. But it is also an elastic connection conceivable in which the pivoting takes place about an imaginary axis.
  • the axis is essentially parallel to the fin surface
  • the angle of attack of the fin is the resultant of the flows acting on the fin during the movement of the fin by pivoting the fin about the axis continuously variable.
  • the resultant of the flows acting on the fin results on the one hand by the lifting movement of the fin through the fluid, which results in a directed flow opposed to the lifting movement and on the other hand, a flow which is primarily determined by the movement of the body by the fluid. This creates one of the direction of movement
  • the angle of attack of the fin can be optimally adapted to the movement of the body by the fluid and the movement of the fin itself, whereby an increase in efficiency can be achieved.
  • the variability can z. B. be achieved in that a deflection is provided which moves together with the pivoting of the fin about the axis, d. H. for this purpose communicates with the fin.
  • the deflection can be formed, for example, by a pulley, pulley, toothed pulley and the like. Furthermore, one is around the
  • Ümlenkung running at least tensile forces transmitted element provided.
  • This may be, for example, a limp element, for. B. a rope, a chain or the like.
  • the fin By a movement of the element running around the deflection and a non-positive and / or positive engagement of the element with the deflection, the fin can be pivoted about the axis to change the angle of attack.
  • relatively light and uncomplicated components can be used, on the one hand reduce the moving mass and on the other hand create a low-maintenance system.
  • the length of the element shortens from the definition to the tangent to the Ural lowering while the opposite part (tower) of the element extends in length from the definition of the end to the tangent of the deflection. This can be up
  • the above-mentioned contraction motor is used for motor-changing the definition of the ends.
  • the fin or the pivot axis of the fin moves along its lifting movement parallel to the stern of the watercraft.
  • it is preferably one
  • Cross strut which is pivotally connected at their ends, each with a train connection or strut, and to attach the fin pivotally mounted on the cross member.
  • the struts can be supported by limp tensioned elements, such. As ropes, or by bars, rods, etc. may be formed.
  • at least tensile forces transmitting elements be advantageous that they extend from their end connected to the fin initially in the direction of one end of the cross member, there or deflected at an intermediate position and extending parallel to the corresponding strut below.
  • a drive rod for moving the fin transverse to the movement of the body in the fluid.
  • This may be pivotally connected to the crossbar when using a parallelogram guide, wherein it is preferred that the pivot axis of the fin and the articulated connection of the drive rod coincide with the crossbar. It may also be advantageous when using a
  • the drive rod provided so that it extends parallel to the parallel struts.
  • the drive rod can manually, hydraulically, pneumatically or motor, z. B. with a stepper motor, linear motor or the later-described contraction motor can be driven.
  • Adjustment of the angle of attack can be implemented as an independent aspect. This can be advantageously realized by the fin comprising at least two groups of strips which are pivotable apart to fan out the fin.
  • the remaining part of the fin blade is preferably elastic, z. B. formed by a kind of flexible skin.
  • each of these strips or each group can be assigned a tension fiber.
  • the strips are pushed together, while they are fanned out for a larger stretch. These strips are pivoted apart via a drive element and / or collapsible to change the extension.
  • the provision, d. H. the collapse or fanning can also be achieved by the drive element or by a spring-like reset device, for example.
  • the driver may be
  • Adjustment of the angle of attack can be implemented as an independent aspect.
  • the fin may include a plurality of stiffening strips that lie in the fin surface. Furthermore, at least one tensionable tension element is provided, which engages in the region of the ends of the strips on this. In this case, in particular, the end of the fin remote from the body is the end in the region of which the pulling element engages.
  • a tension of the tension element can be used in conjunction with the strips to adjust the rigidity of the fin. The stronger the tension element is stretched, the stiffer the fin and vice versa. For this are the Bars to make compression stiff. If, in addition or alternatively, the curvature can be changed, the strips are elastically flexible.
  • the tension on the tension member may also be translated by a contraction motor as previously explained.
  • the fin is reciprocated in the present invention. This is done at the respective ends of the trajectory
  • the fin decouples during the reversal of motion in order to ensure free pivoting of the fin during the reversal of motion.
  • the fin beats passive without propulsion in the opposite
  • Angle of attack This can for example be realized in that the connection between the above-mentioned deflection and the fin is temporarily released until the fin is turned over. Also, in the above-mentioned embodiments, it is conceivable to release the ends of the element or elements transmitting at least tensile forces, so that the fin can move freely about the axis.
  • the stops may be formed for example by pins which are parallel to the axis of the deflection, z.
  • the envelope limit As a disc, extend and the envelope limit
  • the controller may record the velocity of the body in the fluid as well as the speed of movement of the fin in the fluid and continuously adjust the angle of attack and / or stretch and / or stiffness and / or curvature from these parameters.
  • the impact fin of the present invention is not only for
  • the fin must extend perpendicularly to the sole of the foot during attachment to the foot.
  • the fastening device can be designed in the manner of a shoe, as it is already known from swimming or diving fins.
  • Fastening device which runs substantially parallel to the sole of the foot and from there to a mechanical
  • Adjustment device are guided.
  • the adjusting device can, for. B. on a belt or on the thigh of the
  • Floaters or divers are attached. This is preferably the one described above
  • Figure 1 is a schematic view of a fin drive with a pawl according to a first embodiment in which the contraction motor of the present invention can be used;
  • Figure 2 is a schematic view of a fin drive with a poppet according to a second embodiment in which the contraction motor of the present invention may be used;
  • Figure 3 is a schematic view of a variable extension fin
  • Figure 4 shows a poppet with variable stiffness and curvature
  • Figure 5 is a schematic view of a swimming and
  • Diving fin with a pawl a) with a rigid connection, b) with an elastic connection, c) with an articulated connection and resilient return and d) with adjustable Bowden cables in which the contraction motor of the present invention can be used;
  • Figure 6 shows a contraction motor of the present invention
  • Figure 7 shows schematically three possible arrangements of the electromagnets in series of the contraction motor shown in Figure 5;
  • Figure 8 shows a schematic view of a fin drive with a pawl according to a third embodiment in which the contraction motor of the present invention can be used.
  • like reference numerals are used for the same or similar elements and on a
  • Figure 1 shows a fin drive for a watercraft, z. B. a ship 1 according to a first embodiment.
  • a fin drive for a watercraft z. B. a ship 1 according to a first embodiment.
  • the area of the stern 2 of the vessel is the
  • Fin drive 10 installed, which is explained with reference to a vertical fin 10.
  • a horizontal fin 10 for a horizontal fin 10, however, the design would be identical, as in Figure 1, which in this case, however, would represent a side view instead of the supervision shown.
  • the flipper is formed by a fin 10. This is about a parallelogram 20 parallel to the rear 2 of the ship 1 in the direction h back and forth movable.
  • the parallelogram guide 20 is composed of two
  • Parallel struts 21 may be tensioned limp elements z. B.
  • Struts 21 are each hingedly attached to the ship 1 with one end 22.
  • the respective opposite end 23 is pivotally connected to a transverse strut.
  • the cross strut 24 is identical in length to the distance between the articulated
  • the cross member 24 is also moved in the direction h back and forth.
  • the fin 10 is hinged to the cross member 24 about an axis 25. It is thus held pivotable about the axis 25.
  • the axis 25 extends in the vertical direction and parallel to the hinged connections 22 and 23.
  • a drive rod 26 is further provided, one end 27 is hingedly attached to the ship 1, while the other end preferably coincides with the axis 25 hinged to the Cross strut 24 is connected.
  • the drive rod 26 can be rotated by motor but also pneumatically or hydraulically or optionally manually around the bearing 27. As engines come
  • Stepper motors, linear motors or the contraction motors described later in question The drive unit is not shown in the drawing for the sake of simplicity.
  • Embodiment provided two semi-rigid tensile forces transmitting elements 30. These are connected at one end 31 to the fin 10 or the fin surface. The other end extends from the fin or the connection with it to a respective end of the cross member 24 is z. B. in the region of the joint 23 and then runs parallel to the parallel struts 21 to the stern of the ship 2. There, the opposite end 32 of the elements 30 in the longitudinal direction of the elements 30 is set variable. This can be realized by connecting the ends 32 respectively to a previously described and later-described contraction motor so as to draw at each end 32, thereby changing their attachment in the longitudinal direction of the elements 30.
  • contraction motors is also a manual adjustment, a pneumatic, hydraulic or other motorized adjustment via step and / or
  • the control preferably determines the resultant of the flow of the fin 10. This is, inter alia from the flow induced by the movement of the ship 1 in the fluid (flow u) and the lifting movement of the fin 10 in the direction h (flow uh) together. Ie. through the
  • a kind of housing (mast) 40 is further provided, the drive rod 20, the parallel struts 21 and at least a portion of
  • a controller determines the resultant from the flows u and uh and determines on the basis of these parameters an optimal angle of attack ⁇ for the fin 10.
  • the coils of the contraction motor 33 which is connected to the end 32 of the other non-rigid element 30, not under tension, so that the upper pliable element 30, the fin 10 is not in the movement about the axis 25 down or stops clockwise.
  • Flow conditions or the flow of the fin 10 is adjustable. This can be a very efficient system uncomplicated, compact and inexpensive construction can be achieved.
  • the parallelogram guide 20 has been omitted for the sake of simplicity.
  • the illustrated embodiment can be combined with the parallelogram guide 20 from FIG. 1 without further ado. Due to the lack of
  • Parallelogramm operation moves the axis 25 about which the fin 10 is pivotable, but not parallel to the stern 2 of the ship, but on a circular path about the axis 27 of the articulated connection of the drive rod 26 on the ship.
  • a deflection 40 is further provided in the form of a toothed disc, which is rotatably mounted on the drive rod 26 about the axis 25 in the illustrated embodiment.
  • the fin 10 is arranged rotatable relative to the deflection 40 about the axis 25.
  • two stops 34 or an envelope limit for the fin 10 are connected to the deflection 40 on opposite sides of the axis 25 relative to the fin 10.
  • Operation is the fin surface with reference to Figure 2 in a movement of the fin up to the lower stop, while it can turn freely at the reversal point and rests in the downward movement of the upper stop in Figure 2. Furthermore, a tensile forces transmitting,
  • slippery element 30 is provided in the form of an open toothed belt 39, which rotates about the deflection 40.
  • the ends 32 of the toothed belt 30 are also each with a
  • Pivoting the fin 10 is accompanied by the axis 25, so that the angle of attack ⁇ can be adjusted accordingly.
  • a drive pulley 41 instead of the motors 33 and a closed belt 30 is a rotation of the
  • Drive pulley 41 used. In order not to make the moving mass too large, it is preferred to place the disc 41 with its axis of rotation on the joint 27 of the drive rod 26. However, it is also conceivable the disk 41 with its motor at any point along the
  • FIG. 3 shows schematically a fin 10 in one
  • the fin 10 is made of an elastic material
  • flexible casing 50 As a foil or a cloth constructed.
  • stiffening the shell 50 are several in
  • tensile elements 52 are respectively arranged on opposite sides in the transverse direction of the fin 10, which extend along the strips to the opposite end.
  • tension is preferably applied to both tension elements 52 arranged on opposite sides of the strips 51.
  • the train increases the rigidity of the fin 10 or reduces the amount of bending of the strips 51.
  • stiffen by the tension elements 52 of the respective strips 51 are applied differently. Instead of a plurality of tension elements 52, however, it is also conceivable to connect the ends of the strips 51 together via an element and this element on opposite sides of the strips 51 with the tension elements, for. B. wires to connect, so that all strips are bent and / or stiffened at the same time.
  • the strips 51 of the upper and lower groups can be pushed apart from each other or together and / or pulled apart. This can also be realized by a tension element 52.
  • a tension element 52 By this configuration, it is possible to change the extension of the fin 10 accordingly.
  • a control is provided which determines both the rigidity or the curvature and / or curvature of the fin 10 and its extension as a function of the angle
  • the impact fin is arranged in accordance with the fluke of a whale.
  • the fin 10 is rigidly connected to a drive rod or fin attachment rod 26.
  • the drive rod is articulated at a hinge point 70 with a transmission member 71 of a Drive unit 72, here connected to a hydraulic piston.
  • This drive member 71 is by the piston 72 in the reciprocating motion back and forth or up and down to move the fin 10 in the direction h in the fluid, here water, back and forth.
  • a pin 75 of the drive rod 26 is received in a slot 73 of a control member.
  • control member 74 is part of a servo drive 76.
  • Within the slot 73 of the pin 75 is free to move and the fin so limited by the ends of the slot 73 around the hinge axis 70th
  • Control member 74 are set via the servo drive 76 of the angle during the stroke movement.
  • Slot 73 at the reversal point can swing freely from an angle + a at an angle -a.
  • the drive unit 27 can be chosen arbitrarily and is not limited to a piston system. Also, conventional internal combustion engines can be used here, the drive rod via a connecting rod 26 to move back and forth. The same applies to the servo drive, the z. B. can be configured pneumatically, hydraulically or electrically. Again, however, the control member 74 could be adjusted by a contraction motor, a linear motor, a stepper motor or manually.
  • the present invention is also in swimming and / or
  • Diving fins can be used. This will be below
  • the swimming or diving fin shown there has a fastening device 60 for attachment to the foot of a person. This is similar to conventional diving fins formed with an upper shoe 61 and a sole 62, so that a user with the foot in the
  • Upper shoe 61 can slip, which is preferably formed of a soft elastic material and manages with or without closure elements.
  • the fin 10 is rigidly attached to the sole 62 and extends substantially at right angles to the sole 62 or in the attached state at right angles to the sole of the foot.
  • the angle of attack ⁇ can be in this variant by the extensor muscles as well
  • the angle of attack ⁇ can be optimally adjusted.
  • an elastic element 66 for example a leaf spring or elastic rods.
  • the leaf spring or the elastic rod is exchangeable, so that different spring constants and thus elasticities can be achieved.
  • the adjustment of the angle of attack ⁇ via flexible tensile forces transmitting elements 30 is conceivable.
  • the fin 10 is attached to the sole 62 via an articulated connection 67.
  • Two pliable elements 30 are connected at opposite sides 10 with one end 31 at the fin. From there extends the pliable element
  • the element 30 at a distance from the axis 67 to the shoe sole 62 and from there to an adjusting element 69 via which the end 32 in the longitudinal direction of the element 30 can be set changeable.
  • it may be one in stages
  • lockable knob 69 act.
  • knob 69 which rotates about the knob 69 and with this form-fitting and / or frictionally engaged, while the ends of the open belt 31 are connected to the fin 10.
  • a rotation of the knob 69 can thus adjust the angle of attack of the fin 10 accordingly manually.
  • a belt For example, be used a belt.
  • small contraction motors that perform an automatic control.
  • Such a contraction motor as can also be used in the embodiments described above, but which can also be implemented independently and independently of the use with a phaler, will be explained below with reference to Figures 6 and 7.
  • the contraction motor 100 includes a plurality of electromagnets 110 having an iron core 111 and an iron core 111
  • the electromagnets 110 are arranged in a row with a defined distance from one another, wherein an air gap between adjacent iron cores 111 remains.
  • spacer rings 113 are arranged made of elastic material, which hold the electromagnets at a defined distance from each other.
  • elastic material which hold the electromagnets at a defined distance from each other.
  • the electromagnet chain is housed in a shallow or inextensible sheath tube 114 (receptacle) which limits the maximum extent of the contraction motor. If none of the electromagnets 110 is energized and are each adjacent electromagnet 110 in the
  • One end of the chain becomes, as schematically with 115
  • the adjacent ends of the iron cores 111 be complementary to
  • the spacer rings 113 are preferably made of an elastic material z. B. an elastic plastic. But there are other elements, such. As springs, conceivable.
  • the electromagnets 110 can be controlled separately or supplied with current. This can be the way the electromagnets 110 can be controlled separately or supplied with current. This can be the way the electromagnets 110 can be controlled separately or supplied with current. This can be the way the electromagnets 110 can be controlled separately or supplied with current. This can be the way the electromagnets 110 can be controlled separately or supplied with current. This can be the way the
  • Contraction can be determined by the number of driven electromagnet 110 is controlled.
  • the contraction motor can be gradual or in whole
  • the elastic member 113 compresses and generates a tensile force at the end 116, the z. B. on the end 32 of limp element 30 can be transmitted.
  • Pulling force Z is indicated by the arrow in FIG.
  • the contraction distance is dictated by the size and number of gaps between adjacent electromagnets.
  • the contraction force results from size, number of windings, current and voltage, d. H. the type of electromagnet used.
  • electromagnet chains (contraction motors) can be connected in parallel, as shown in FIGS. 7a to c.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Power Engineering (AREA)
  • Toys (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Harvester Elements (AREA)

Abstract

L'invention concerne un moteur à contraction (33) comprenant plusieurs électroaimants (110) disposés en ligne, un élément élastique (113) étant de préférence disposé entre chaque deux électroaimants pour rétablir ou encore maintenir une distance définie entre électroaimants voisins et les électroaimants sont guidés dans un logement (114) qui limite la distance des électroaimants en position de repos et donc l'allongement maximal du moteur à contraction. L'invention concerne également une nageoire battante pourvue d'un tel moteur à contraction.
PCT/EP2012/060576 2011-06-06 2012-06-05 Moteur à contraction ainsi que nageoire battante pourvue d'un tel moteur à contraction Ceased WO2012168224A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110103404 DE102011103404B4 (de) 2011-06-06 2011-06-06 Schlagflossenantrieb
DE102011103404.1 2011-06-06

Publications (2)

Publication Number Publication Date
WO2012168224A2 true WO2012168224A2 (fr) 2012-12-13
WO2012168224A3 WO2012168224A3 (fr) 2013-08-01

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PCT/EP2012/060576 Ceased WO2012168224A2 (fr) 2011-06-06 2012-06-05 Moteur à contraction ainsi que nageoire battante pourvue d'un tel moteur à contraction

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DE (1) DE102011103404B4 (fr)
WO (1) WO2012168224A2 (fr)

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CN109533249A (zh) * 2018-11-24 2019-03-29 天津大学 一种仿生型水下航行器扑翼推进装置

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DE102015121995B3 (de) * 2015-12-16 2017-06-01 Deutsches Zentrum für Luft- und Raumfahrt e.V. Getriebe für eine Auftriebsfläche, Schlagantrieb und Unterwasser- oder Luftfahrzeug
DE202017000697U1 (de) 2017-02-09 2017-02-23 Bruno Schröder Blattfederantrieb für Wasserfahrzeuge
CN111173911B (zh) * 2020-01-13 2021-09-28 哈尔滨工程大学 一种齿轮齿圈传动的连杆式仿生鱼尾
CN112498638B (zh) * 2020-12-15 2021-10-26 哈尔滨工程大学 一种高速摆动的两关节仿生鱼尾装置
DE202021003518U1 (de) 2021-11-17 2021-12-07 Bruno Schröder Lenkbarer Bootsrumpf mit Flossenantrieb

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