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EP0037690B1 - Propulsion marine hors-bord - Google Patents

Propulsion marine hors-bord Download PDF

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Publication number
EP0037690B1
EP0037690B1 EP19810301340 EP81301340A EP0037690B1 EP 0037690 B1 EP0037690 B1 EP 0037690B1 EP 19810301340 EP19810301340 EP 19810301340 EP 81301340 A EP81301340 A EP 81301340A EP 0037690 B1 EP0037690 B1 EP 0037690B1
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EP
European Patent Office
Prior art keywords
propeller shaft
ball
set forth
marine outdrive
support casing
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.)
Expired
Application number
EP19810301340
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German (de)
English (en)
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EP0037690A1 (fr
Inventor
Howard Martin Arneson
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Individual
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Individual
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Filing date
Publication date
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Publication of EP0037690A1 publication Critical patent/EP0037690A1/fr
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Publication of EP0037690B1 publication Critical patent/EP0037690B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B63H5/1252—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters the ability to move being conferred by gearing in transmission between prime mover and propeller and the propulsion unit being other than in a "Z" configuration
    • 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
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
    • B63H2001/185—Surfacing propellers, i.e. propellers specially adapted for operation at the water surface, with blades incompletely submerged, or piercing the water surface from above in the course of each revolution

Definitions

  • the present invention relates generally to marine drives and more particularly to a marine inboard-outboard drive for a marine engine positioned within the boat upon which the drive is mounted.
  • So-called inboard-outboard drives have been in use for many years. Examples are shown in U.S. Patent No. 1,798,596; U.S. Patent No. 2,977,923; U.S. Patent No. 3,088,296 and U.S. Patent No. 3,382,839.
  • These inboard-outboard drives are utilized in propelling boats generally having large inboard engines.
  • Such drives employ a drive extending through the transom of a boat, connected to a generally vertically extending shaft which in turn is connected to the propeller shaft.
  • Such drives have many of the advantages of outboard motors.
  • the propeller supporting member of the drive can be rotatably lifted when the boat is in shallow water or for inspection and maintenance of the propeller and its shaft. It is another important advantage of such inboard-outboard drives that the trim of the boat may be adjusted by rotating the propeller supporting member about a horizontal axis. In addition to the tilting feature inboard-outboard drives are rotatable about a generally vertical axis to steer the boat.
  • a common arrangement provides a universal joint about which the propeller supporting member of the drive can both be tilted and steered. As for example the arrangement shown in the aforementioned U.S. Patent No. 3,088,296.
  • U.S. Patent No. 3,933,116 utilizes a surface piercing propeller keyed to a propeller shaft that is moved about a horizontal axis for steering and about a vertical axis to trim the boat.
  • the design of this drive requires the drive shaft to be disposed at an appreciable distance above the bottom of the boat's transom. This requires the propeller shaft to assume a vertically tilted position thereby pushing the bow of the boat downwardly at higher speeds.
  • the present invention is characterized in that the support casing is elongate and extends, rearwardly of the transom, one end being secured to the transom and the ball socket being provided at the rear end of the support casing, in that the ball socket carries a single ball and in that the steering means extends between the support casing or the transom and the propeller shaft carrier and the trim means extends between the transom and the propeller shaft carrier.
  • Marine outdrive apparatus embodying the present invention utilizes a support casing secured to the boat's transom and provided with a ball socket, a propeller shaft carrier formed at its front end with a ball that is universally pivotally carried by the ball socket, a drive shaft journalled in the support casing and connected to the boat's inboard engine, a propeller shaft journalled in the propeller shaft carrier, with the aft end of such shaft being keyed to a propeller and with the shafts extending generally longitudinally.
  • the marine outboard apparatus of the present invention utilizes a minimum number of rugged parts and offers minimum water resistance as compared to heretofore proposed marine drives.
  • Marine outdrive apparatus embodying the present invention also lends itself to the utilization of hydraulic steering cylinders and a hydraulic trim cylinder for providing precise steering and for effecting trimming of the boat while such boat is underway.
  • These steering and trim cylinders are operatively connected to the propeller shaft carrier in such a manner as to reduce the twisting effect of the propeller torque.
  • FIGS. 1-10 there is shown a preferred form of marine outdrive apparatus A embodying the present invention adapted for use with a conventional boat B having a transom 20 upon which said apparatus is mounted.
  • the apparatus includes a support casing, generally designated 22, secured to the boat transom 20 and formed with a ball socket 24.
  • a rearwardly extending propeller shaft carrier, generally designated 30, is formed at its front end with a ball 32 that is universally pivotally carried by the ball socket.
  • a drive shaft 38 is journalled in the support casing, with its front end being connectable to a single inboard engine (not shown) positioned within the hull of boat B.
  • a propeller shaft 40 is journalled by the propeller shaft carrier 30, with the aft end of the propeller shaft receiving a conventional surface-piercing propeller 44.
  • Universal joint means preferably taking the form of a conventional double universal, or constant speed, joint designated 46, connect the aft end of drive shaft 38 to the forward end of the propeller shaft 40. It is important to note that the center of such universal joint 46 coincides with the pivot point 50 about which ball 32 pivots relative to ball socket 24.
  • support casing 22 has a main body 51 of cylindrical configuration having an open aft end.
  • the front end of such body is integrally formed with a boss 52.
  • the front and rear portions of such boss 52 are provided with needle bearings 54 and 56 respectively that journal drive shaft 38.
  • Oil seals 58 and 60 close the front and rear end of the hub 52, so as to confine a body of oil therewithin.
  • Support casing 22 is rigidly affixed to the rear surface of transom 20 by a plurality of bolts 62.
  • the front end of drive shaft 38 may be connected to a coupling, such as a universal joint 63 forming part of a drive train rotated by an inboard engine ball socket 24 is preferably formed of a synthetic plastic such as nylon, and includes front and rear pieces 24a and 24b. Front piece 24a abuts shoulder 64 of the support casing, and rear piece 24b is secured by a snap ring 66. An 0-ring 68 is interposed between front and rear pieces 24a and 24b of ball socket 24 in sealing engagement with such pieces and the exterior of ball 32.
  • a coupling such as a universal joint 63 forming part of a drive train rotated by an inboard engine ball socket 24 is preferably formed of a synthetic plastic such as nylon, and includes front and rear pieces 24a and 24b. Front piece 24a abuts shoulder 64 of the support casing, and rear piece 24b is secured by a snap ring 66. An 0-ring 68 is interposed between front and rear pieces 24a and 24b of ball socket 24 in sealing engagement with such pieces and
  • Propeller shaft carrier 30 includes a housing 70, the forward position of which is formed with the aforementioned ball 32.
  • the rear portion of housing 70 is provided with an integral externally threaded neck 72, which is engaged with the internally threaded forward end of a frusto-conical tube 74.
  • the truncated rear end of tube 74 is provided with a needle bearing 76 disposed forwardly of conventional oil seals 78.
  • a forward oil seal 80 is disposed between the rear end of housing neck 32 and a forward thrust bearing 82.
  • a rear thrust bearing 84 is positioned adjacent front thrust bearing 82.
  • the space between oil seals 78 and 80 is preferably oil-filled.
  • An 0-ring 86 is interposed between the front end of tube 74 and the rear wall of housing 70.
  • a lower fin 90 depends from tube 74, with the upper edge of such fin being cast onto such tubes.
  • An upper fin 92 of similar configuration to that of lower fin 90 extends upwardly from the intermediate portion of tube 74.
  • the bottom of upper fin 92 is cast onto the tube.
  • the upper end of upper fin 92 supports a horizontal cavitation plate 94, with such cavitation plate preferably being secured to the front portion of upper fin 92 by means of bolts 98.
  • the rear edge of the cavitation plate 94 overhangs propeller 44 to protect it against contact with a dock or the like.
  • Such cavitation plate also contains the boats rooster- tail.
  • the intermediate portion of both sides of tubes 74 is provided with a pair of ears 100 and 102.
  • Such ears pivotally receive brackets 103 affixed to the aft free ends of plungers 104 and 106 of port and starboard power-operated hydraulic steering cylinders 108 and 110, respectively.
  • the forward end of such steering cylinders are provided with spheres 112 and 114.
  • Such spheres 112 and 114 are rotatably positioned within complementary recesses 116 and 118 formed in a pair of mounts 120 and 122.
  • mounts are preferably cast onto the mid-portion of opposite sides of support casing 22.
  • the pivot points 124 and 126 about which spheres 112 and 114 rotate relative to their sockets 116 and 118, are disposed upon a horizontal line 128 (FIGS.
  • steering cylinders 108 and 110 are provided with conduits 130, 131, 132 and 133 in communication with a conventional hydraulic steering system such as shown in FIG. 10.
  • a hydraulic trim cylinder 140 and plunger 142 extends between the boat's transom 20 and the propeller shaft carrier 30.
  • the plunger 142 is locked against rotation relative to its cylinder 140 as by complementary splines and grooves indicated at 143 in FIG. 1.
  • the front end of the cylinder 140 is provided with a sphere 144 received within a socket 145 formed in a mounting 146.
  • the front end of such mounting 146 is provided with a pair of ears 148 and 1 50 rigidly bolted to the transom 20 by fasteners 151.
  • the rear end of plunger 142 is provided with a bifurcated bracket 152 which straddles an upwardly extending pad 154 rigidly affixed to the upper intermediate portion of tube 74.
  • a pivot pin 156 interconnects bracket 152 and pad 154.
  • Hydraulic conduits 158 and 160 connect the front and rear ends of trim cylinder 140 with a conventional hydraulic system such as shown in FIG. 10.
  • socket 145 and hence trim cylinder 140 and its plunger 142 are locked against rotation relative to mount 146 by an upstanding pin 170 disposed within an arcuate slot 172 formed on the underside of sphere 144 along the center line thereof.
  • FIG. 10 there is shown a diagrammatic view of a steering and trim control system which may be utilized in the operation of the aforedescribed embodiment of the present invention.
  • the system includes a conventional power source 180, such as a conventional electric motor coupled to a hydraulic pump 181.
  • a reservoir 182 conventional control valves 184 and 186 and suitable conduits connect the aforementioned elements with the steering cylinders 108 and 110 and the trim cylinder 140 by reasons of the aforementioned conduits 130, 131, 132, 133, 158 and 160.
  • Valve 184 is operatively connected to a steering wheel 190 in a conventional manner while valve 186 is connected to an up-down trim lever 192 in a conventional manner.
  • steering wheel 190 will rotate valve 184 so as to control the flow of pressurized hydraulic fluid from pump 181 to steering cylinders 108 and 110.
  • the plungers 104 and 106 of such steering cylinders will be concurrently extended and retracted so as to swing the propeller shaft carrier 30 laterally about a generally vertical steering axis 5-5 that extends through point 50 about which ball 32 pivots relative to ball socket 24.
  • pivot point 164 about which sphere 144 of trim cylinder 140 rotates also lies on steering axis 5-5.
  • the compact configuration of ball 32 and ball socket 24 make it possible to position support casing 22 at the lower portion of boat transom 20.
  • the propeller shaft 40 may be maintained in close longitudinal alignment with drive shaft 38 during normal forward travel of the boat B.
  • the line of propeller thrust is thereby maintained low relative to the boat and below the boat's center of gravity.
  • Maximum efficiency with respect to the transmission of torque is thereby obtained.
  • the drive shaft 38 may be coupled to any conventional power transfer means and, the engine may be mounted at any convenient location in the boat, including an amidships position or a position just forward of the transom through the use of conventional transmission.
  • FIGS. 11 and 12 there is shown a second embodiment of marine outdrive apparatus embodying the present invention employed with a pair of inboard engines (not shown), mounted within the hull of boat B'.
  • Such embodiment includes a pair of marine outdrives A-1 and A-2 substantially identical to the aforedescribed marine outdrive apparatus A. Accordingly, like parts bear primed reference numerals.
  • the marine outdrive apparatus of FIGS. 11 and 12 utilize a different steering cylinder arrangement than that employed with the embodiment of FIGS. 1-10.
  • This arrangement includes right and left hydraulic steering cylinders 200 and 202 having plungers 204 and 206.
  • the forward ends of the cylinders are respectively secured to spheres 208 and 210.
  • Such spheres are rotatably positioned within sockets 212 and 214 formed in the rear portion of a mount 216.
  • Mount 216 is secured to boat transom 20' by fasteners 218.
  • the points 220 and 222 about which spheres 208 and 210 rotate relative to their sockets are disposed when a horizontal line 224 that is normal to the longitudinal axes of the drive shafts of the marine outdrives A-1 and A-2.
  • Line 224 extends through pivot points 50' about which the balls 32' pivot relative to their sockets 24'.
  • Line 224 coincides with the trim axes T'-T' of the propeller shaft carriers 30'.
  • steering plungers 204 and 206 are affixed to ears 228 and 230 pivotally attached to brackets 232 and 234 by pins 236 and 238.
  • Brackets are cast on to the inner surfaces of the intermediate portions of the tubes 74'.
  • a tie rod 220 has its opposite ends secured to brackets 232 and 234 by the same pins.
  • the front ends of steering cylinders 200 and 202 are provided with hydraulic conduits in communication with a conventional control system (not shown) that effects concurrent extension and retraction of plungers 204 and 206 to thereby swing the propeller shaft carrier 30' about a pair of generally vertical steering axes S'-S' which extends through tim axis T'-T' and pivot points 50'.
  • Propeller shaft carriers 30' are each provided with trim cylinders (not shown) identical to those described hereinabove for swinging such carriers vertically about trim axis T'-T'. As indicated in FIG. 12, the pivot points 164' about which trim cylinder spheres 144' rotate relative to their sockets 145' are located on the steering axes S'-S'.
  • twin engine marine outdrive apparatus of FIGS. 11 and 12 will be similar to the operation of the apparatus of FIGS. 1 through 10.
  • Both embodiments of the invention provide high efficiency minimum drag and weight, fool-proof performance, and economical manufacture and maintenance.
  • the propeller shaft 40 may be readily replaced and installed by disconnecting the universal joint 46.
  • Boat trim may be readily adjusted for load and wave conditions.
  • maximum acceleration can be obtained by raising the propeller relative to the water's surface and increasing engine RPM into the engine's power curve by permitting the propeller to slip, and thereafter lowering the propeller toward the water as boat speed increases. This procedure is especially useful under heavy load conditions.
  • the marine outdrive apparatus described above does not utilize a propeller supporting member which extends an appreciable distance below the water's surface. Instead such apparatus is particularly adapted to utilize a surface-piercing propeller, the propeller being affixed to the aft end of the drive with the main portion of the drive extending rearwardly from the boat's transom horizontally or at a slight angle to the horizontal.
  • the drive accordingly offers a minimum amount of water resistance.
  • the marine outdrive apparatus in addition to offering minimum drag, is light in weight, fool-proof in operation, easy to maintain and readily available for maintenance, as compared with conventional inboard-outboard marine drives.
  • Such apparatus may be fabricated of corrosion- resistant materials, such as brass or stainless steel.
  • the apparatus is highly efficient in transmitting power from the boat's inboard engine to the propeller.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Actuator (AREA)
  • Gear Transmission (AREA)

Claims (20)

1. Appareil de propulsion marine hors-board pouvant se fixer à l'arcasse d'un bateau muni d'un moteur à bord, cet appareil comprenant une enveloppe (22) pouvant se fixer à l'arcasse (20) du bateau, une douille à rotule (24) placée à l'intérieur de cette enveloppe support; un support d'arbre d'hélice (30) dont l'extrémité antérieure forme une rotule (32) qui est portée par la douille à rotule de manière à pouvoir pivoter universellement en vue du mouvement autour d'un point de pivotement (50); un arbre de propulsion (38) monté dans l'enveloppe support et pouvant être relié au moteur à bord; un arbre d'hélice (40) monté dans le support d'arbre d'hélice, l' extrémité arrière de l'arbre d'hélice recevant une hélice (44) et les arbres étant généralement dirigés longitudinalement l'un par rapport à l'autre, un joint universel (46) reliant l'extrémité arrière de l'arbre de propulsion et l'extrémité avant de l'arbre d'hélice, le centre du joint universel coïncident avec le point de pivotement autour duquel la rotule pivote relativement à la douille de sorte que le support d'arbre de pivotement et l'arbre d'hélice peuvent pivoter latéralement autour d'un axe de direction et vers le haut et vers le bas autour d'un axe d'assiette, des moyens de direction (108, 110) servant à faire pivoter latéralement le support autour de l'axe de direction et des moyens d'équilibrage (140) servant à faire pivoter le support vers le haut et vers le bas autour de l'axe d'assiette, caractérisé par le fait que l'enveloppe support (22) est alongée et se dirige vers l'arrière de l'arcasse, une extrémité étant fixée à l'arcasse et la douille à rotule étant prévu à l'extrémité arrière de l'enveloppe support, que la douille à rotule porte une seule rotule (32) et que les moyens de direction s'étendent entre l'enveloppe support ou l'arcasse et le support d'arbre d'hélice et que les moyens d'équilibrage s'étendent entre l'arcasse et le support d'arbre d'hélice.
2. Propulsion marine hors-bord selon la revendication 1, caractérisée en outre par le fait que l'axe de direction (S-S) est généralement vertical et que l'axe d'assiette (T-T) est généralement horizontal.
3. Propulsion marine hors-bord selon la revendication 1, caractérisée par le fait que chacun des moyens de direction (108, 110) et des moyens d'équilibrage (140) comprend un ensemble à cylindre et à piston actionné par force motrice pour effectuer le pivotement du support (30) relativement à l'enveloppe support (22).
4. Propulsion marine hors-bord selon la revendication 3, dans laquelle l'ensemble à piston et à cylindre (142, 143) définissant les moyens d'équilibrage est accouplé de façon pivotante par l'une de ses extrémités au support d'arbre d'hélice (30) et porte à son autre extrémité des moyens (114, 146) servant à l'accoupler de façon pivotante à l'arcasse (20) d'un bateau.
5. Propulsion marine hors-board selon la revendication 4, dans laquelle le point de pivotement (145), des moyens d'accouplement à l'autre extrémité de l'ensemble à piston et à cylindre définissant les moyens d'équilibrage est généralement aligné verticalement sur le point de pivotement (50) de la rotule.
6. Propulsion marine hors-bord selon la revendication 4, dans laquelle le point de pivotement (145) des moyens d'accouplement à l'autre extrémité de l'ensemble à piston et à cylindre défnissant les moyens d'équilibrage se trouve au dessus du point de pivotement (50) de la rotule de sorte que l'axe de direction se dirige généralement vers le haut en partant de la rotule.
7. Propulsion marine hors-bord selon la revendication 3, dans laquelle l'ensemble à piston et à cylindre (108, 110) définissant les moyens de direction présente une extrémité postérieure accouplée de façon pivotante à un côté respectif du support d'arbre d'hélice (30) et un moyen de montage (112, 114) servant à accoupler de façon pivotante l'extrémité avant de l'ensemble à piston et à cylindre définissant les moyens de direction à l'enveloppe support, l'axe d'assiette passant par le point de pivotement de la rotule et la point de pivotement (124, 126) des moyens de montage, à l'extrémité avant de l'ensemble à piston et à cylindre, définissant les moyens de direction.
8. Propulsion marine hors-bord selon la revendication 7, dans laquelle les moyens de montage (120, 122) de l'extrémité avant de l'ensemble à piston et à cylindre définissant les moyens de direction sont fixés à l'enveloppe support et dépassent latéralement d'un côté de celle-ci.
9. Propulsion marine hors-bord selon la revendication 7, dans laquelle les moyens de montage (216) de l'extrémité avant de l'ensemble à piston et à cylindre définissant les moyens de direction sont conçus pour se fixer à l'arcasse (20') d'un bateau.
10. Propulsion marine hors-bord selon la revendication 1, dans laquelle le support d'arbre d'hélice (30) présente une surface extérieure pratiquement conique qui diminue de section à mesure qu'on approche de l'extrémité arrière de l'arbre d'hélice.
11. Propulsion marine hors-bord selon la revendication 1, dans laquelle la douille à rotule
(24) est adaptée de façon étanche et pivotante à la surface extérieure de la rotule (32), des moyens étant prévus près de l'extrémité avant de l'enveloppe support (22) pour rendre étanche la jonction entre l'enveloppe support et l'arbre de propulsion (38) de sorte que l'intérieur de la rotule contenant le joint universel est un espace fermé qui peut contenir un fluide.
12. Propulsion marine hors-bord selon la revendication 1, dans laquelle le support d'arbre d'hélice (30) présente des moyens d'étanchéité en deux endroits espacés de manière à présenter dans le support un espace fermé qui peut contenir un lubrifiant fluide.
13. Propulsion marine hors-bord selon la revendication 1, qui comprend un aileron stabilisateur (90) fixé au support d'arbre d'hélice (30) et se dirigeant vers le bas par rapport à celui-ci.
14. Propulsion marine hors-bord selon la revendication 13, dans laquelle l'aileron stabilisateur (90) présente un bord d'attaque qui se dirige vers l'extérieur et vers l'arrière du support d'arbre d'hélice à mesure que l'on approche de l'extrémité extérieure de l'aileron.
15. Propulsion marine hors-bord selon la revendication 13, qui comprend un deuxième aileron (92) fixé rigidement au support d'arbre d'hélice (30) et se dirigeant vers le haut par rapport à celui-ci et une plaque de cavitation (94) fixée à l'extrémité supérieure du deuxième aileron, la plaque de cavitation se dirigeant vers l'arrière du deuxième aileron en surplombant pratiquement l'hélice.
16. Propulsion marine hors-board selon la revendication 1, dans laquelle la douille (24) est formée d'une paire de bagues (24a, 24b), chaque bague présentant une face périphérique intérieure qui s'adapte de façon complémentaire à la partie adjacente de surface extérieure de la rotule (32) et un joint torique placé entre les bagues et en relation d'étanchéité avec la rotule.
17. Propulsion marine hors-bord selon la revendication 16, qui comprend un jonc (66) s'appliquant à l'une des bagues de manière à retenir les deux bagues assemblées et en coopération avec la surface extérieure de la rotule.
18. Propulsion marine hors-bord selon la revendication 16, dans laquelle l'enveloppe support (22) présente un épaulement annulaire, la bague avant (24a) butant contre l'épaulement, la bague arrière (24b) se logeant dans l'extrémité arrière ouverte de l'enveloppe support et étant accouplée à celle-ci par vissage.
19. Propulsion marine hors-bord selon la revendication 16, dans laquelle les bagues sont formées de nylon.
EP19810301340 1980-04-07 1981-03-27 Propulsion marine hors-bord Expired EP0037690B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13779780A 1980-04-07 1980-04-07
US137797 1980-04-07

Publications (2)

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EP0037690A1 EP0037690A1 (fr) 1981-10-14
EP0037690B1 true EP0037690B1 (fr) 1984-06-20

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EP (1) EP0037690B1 (fr)
JP (2) JPS56163994A (fr)
AU (1) AU542771B2 (fr)
CA (1) CA1149684A (fr)
DE (1) DE3164280D1 (fr)

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DE102007031056B4 (de) * 2007-07-04 2009-04-02 Mtu Friedrichshafen Gmbh Verfahren zur Regelung von Schiffantriebsanlagen mit Oberflächenpropellern
EP2045183A1 (fr) * 2007-10-05 2009-04-08 T.M.S. S.r.l. Système de propulsion à propulseur de perforation en surface et bateau intégrant un tel système de propulsion
JP6027999B2 (ja) * 2014-04-17 2016-11-16 株式会社豊田自動織機 船舶用エンジン推進装置
CN105109652A (zh) * 2015-08-14 2015-12-02 苏州金业船用机械厂 一种摇摆式船用侧推器
CN110949622B (zh) * 2019-11-24 2020-11-24 杨滋垚 一种户外水上用品设备

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US3888203A (en) * 1974-03-29 1975-06-10 Kiekhaefer Aeromarine Motors Stern drive for boats
US3976027A (en) * 1974-05-23 1976-08-24 Ron Jones Marine Engineering, Inc. Strut drive mechanism
US3933116A (en) * 1974-12-02 1976-01-20 Thomas F. Adams Unitary propelling and steering assembly for a power boat

Also Published As

Publication number Publication date
AU542771B2 (en) 1985-03-14
AU6866181A (en) 1981-12-24
CA1149684A (fr) 1983-07-12
JPH0618194U (ja) 1994-03-08
DE3164280D1 (en) 1984-07-26
EP0037690A1 (fr) 1981-10-14
JPS56163994A (en) 1981-12-16

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