EP0816222A2 - Antriebseinheit für Wasserfahrzeuge - Google Patents
Antriebseinheit für WasserfahrzeugeInfo
- Publication number
- EP0816222A2 EP0816222A2 EP97110587A EP97110587A EP0816222A2 EP 0816222 A2 EP0816222 A2 EP 0816222A2 EP 97110587 A EP97110587 A EP 97110587A EP 97110587 A EP97110587 A EP 97110587A EP 0816222 A2 EP0816222 A2 EP 0816222A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- casing
- motor
- propulsion unit
- case
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
- B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/007—Trolling propulsion units
Definitions
- the present invention relates to a watercraft propulsion unit comprising a bracket mountable to a hull, a motor drive unit mounted to the lower end of the bracket and locatable in the body of water and having an electric motor provided with a motor case for driving a propeller.
- FIG. 7 A system as shown in Fig. 7 has been commonly utilized for the afore-mentioned watercraft propulsion unit.
- Numeral 81 designates the watercraft propulsion unit mounted on a watercraft, and the arrow Fr shows the running direction of the water craft.
- the watercraft propulsion unit 81 is provided with a bracket 82 mounted to the hull of the watercraft, and the bracket 82, made of a long pipe and extending vertically, is mounted, at the upper end, to the hull.
- the watercraft propulsion unit 81 is also provided with a motor drive unit 83 mounted to the lower end of the bracket 82 and located in the body of water.
- the motor drive unit 83 is comprised of a casing 85 mounted to the lower end of the bracket 82, an electric motor 86 mounted removably to the casing 85 so as to project forwardly from the casing 85, and a propeller 87 supported by the casing 85 and driven by the electric motor 86.
- the electric motor 86 has a cylindrical motor case 89 constituting its outer shell, the axis 90 of which extends longitudinally, and the motor case 89 is mounted detachably, at the rear end, to the front end of the casing 85.
- the electric motor 86 housed in the motor case 89, has a rotor 91 supported by the casing 85 and the motor case 89 for rotation about the axis 90.
- a control device 95 for electronically controlling the electric motor 86, and a power source 96, a battery for the control device 95, are provided on the hull. Also provided is a drive means 97 for electronically controlling the rotational speed of the electric motor 86 through control of the control device 95; and the electric motor 86, control device 95, power source 96, and drive means 97 are connected to each other with electric wires 98.
- the drive means 97 is housed in the casing 85. If the electric motor 86 is removed from the casing 85 so as to open the opening at the front end of the casing 85, the drive means 97 can be inserted or removed with respect to the casing 85.
- the electric motor 86 which has a special construction, can not be replaced with a general purpose type, so that molding of the watercraft propulsion unit 81 for housing the electric motor 86 as a component, is very complicated, posing a problem of a higher production cost.
- a general purpose electric motor 86 can not be incorporated in the conventional watercraft propulsion unit 81, thereby posing a problem of complicated molding.
- the electric motor 86 is housed in the casing 85 so as to cover the same so that a general purpose type motor can be utilized for the electric motor 86.
- the electric motor 86 is protruded from the casing 85, as a whole, and the casing 85 is mounted to the lower end of the bracket 82, so that the electric motor 86 is protruded forwardly from the bracket 82, as a whole.
- the fishing pole may interfere with the electric motor 86, thereby raising a problem of the electric motor 86 hindering manipulation of the fishing pole.
- this objective is solved for a watercraft propulsion unit as indicated above in that said motor drive unit comprising a casing forming an outer shell thereof and mounted to said bracket, and that said electric motor accommodated in said casing and mounted thereto.
- the motor drive unit comprises an electrical equipment case mounted to said casing for accommodating drive means controlling the rotational speed of said electric motor.
- an electrical equipment case for removably housing the drive means 97 is provided in addition to the casing 85 so as to enable maintenance or inspection of the drive means 97 regardless of the electric motor 86 being attached or detached with respect to the casing 85.
- the casing is provided with an opening openable and closable by a cover.
- said opening and said cover are provided at a front end of said motor drive unit opposite to said propeller.
- said electric motor comprises a rotor housed in said motor case and supported by said motor case for rotation, an commutator rotatable with said rotor, and a brush mounted on said motor case for slidably engaging said commutator, said motor case being joined to said casing in the vicinity of said brush.
- said commutator within the casing such that it faces to the front or to the rear as seen in the normal driving direction.
- the watercraft propulsion unit having a bracket 6 mounted to a hull 2 and a motor drive unit 8 mounted to the lower end of said bracket 6 and located in the body of water 7, wherein said motor drive unit 8 comprising a casing 16 forming an outer shell thereof and mounted to said bracket 6, an electric motor 23 housed in said casing 16 and mounted thereto, and a propeller 24 supported by said casing 16 and driven by said electric motor 23.
- a further embodiment of the present invention is given by a watercraft propulsion unit, wherein said casing 16 is formed with an opening 19 and provided with a cover 20 for opening and closing said opening 19 so that said electric motor 23 can be inserted removably into said casing 16 through said opening 19, and said electric motor 23 is mounted removably to said casing 16.
- a watercraft propulsion unit wherein on the hull 2 is provided a control device 47 for controlling said electric motor 23, through said bracket 6 are provided electric wires 54 for connecting said electric motor 23 and control device 47, said wires 54 being cut at the middle portion thereof, and in said casing 16 are provided couplers 64 for disconnectably connecting said cut ends of said wires 54, said couplers 64 being located within said opening 19 when viewed from the front of said opening 19.
- said electric motor 23 comprises a motor case 27 constituting its outer shell, a rotor 32 housed in said motor case 27 and supported by said motor case 27 for rotation, an commutator 35 rotatable with said rotor 32, and a brush 36 mounted on said motor case 27 for slidably engaging said commutator 35, said motor case 27being joined to said casing 16 in the vicinity of said brush 36.
- Fig. 1 through Fig. 5 show a first embodiment of this invention.
- numeral 1 designates a watercraft
- the arrow Fr shows the running direction of the watercraft 1.
- the watercraft 1 is provided with a hull 2 and a watercraft propulsion unit 4 for propelling the hull 2 forwardly or backwardly on the surface of water 3.
- the water propulsion unit 4 is comprised of a bracket 6 mounted to the rear end of the hull 2, a motor drive unit 8 mounted to the lower end of the bracket 6 and located in the body of water 7, and a steering handle 9 mounted to the upper end of the bracket 6.
- the bracket 6 is provided with a bracket body 11 mounted detachably to the rear end of the hull 2, and a mounting pipe 12 supported by the bracket body 11.
- the mounting pipe 12 extends vertically, and supported at the lengthwise middle portion by the bracket body 11 for rotation about its axis.
- the motor drive unit 8 is mounted to the lower end of the mounting pipe 12, and the steering handle 9 to the upper end of the same.
- the steering handle 9 has a box-like handle body 13 fixed to the upper end of the mounting pipe 12, and a handle grip 14 protruding forwardly from the handle body 13; and the handle grip 14 is supported by the handle body 13 for rotation about the axis extending longitudinally.
- the motor drive unit 8 is provided with a casing 16 constituting its outer shell. Since the casing 16 is located in the body of water 7, it is made of corrosion resisting alloy such as aluminum alloy.
- the casing 16 has a cylindrical casing body 17 mounted to the lower end of the mounting pipe 12 of the bracket 6, and the axis 18 of the casing body 17 extends longitudinally.
- the casing body 17 has, at the front end, an opening 19 for providing communication between the inside and outside of the casing body 17, and the opening 19, located on the axis 18, has a substantially circular shape when viewed from the front.
- a semi-spherical cover 20 for openably closing the opening 19 is provided, and fastened detachably to the front end of the casing body 17 with a pair of right and left fist fasteners 21, while at the rear of the casing body 17 and on the inside circumferential surface of the same is formed integrally a partition 22 for separating the inside of the casing body 17 from the outside.
- the motor drive unit 8 is provided with an electric motor 23 housed in the casing 16 and mounted removably to the same, a propeller 24 supported by the casing 16 at the rear and driven by the electric motor 23, and a planetary gear type reduction gear 25 supported by the casing 16 and interposed between the electric motor 23 and the propeller 24 for transmitting power of the electric motor 23 to the propeller 24.
- the electric motor 23, of a general purpose type, has a metal motor case 27 constituting its outer shell.
- the motor case 27 is comprised of a cylindrical motor case body 28 on the axis 18, a front closing plate 29 for closing the front opening of the motor case 27 , and a rear closing plate 30 for closing the rear opening of the same.
- the motor case body 28 is made of ferrous ferromagnetic material; on the inside surface of the motor case body 28 are attached magnets 31a circumferentially at regular intervals; and the motor case body 28 and magnets 31a constitute a stator 31.
- a rotor 32 is housed in the motor case 27.
- the rotor 32 is supported by the front and rear closing plates 29, 30 of the motor case 27 for rotation about the axis 18, and is comprised of an output shaft 33 supported on the axis 18 by the motor case 27, and an armature 34 fitted on the output shaft 33.
- a commutator 35 rotatable around the axis 18 with the rotor 32.
- the commutator 35 is mounted to the rear of the output shaft 33, and disposed axially in serial relation with the armature 34, while on the motor case 27 is mounted a brush 36 for slidably engaging the commutator 35.
- the electric motor 23 is inserted removably in the casing 16 through the opening 19, and fastened detachably to the casing 16 with second fasteners 39.
- the commutator 35 and the brush 36 of the electric motor 23 are located at the rear end of and inside of the motor case 27, and the rear end of the motor case, or the rear closing plate 30, is put into surface contact with the partition 22 of the casing 16, that is, the rear end portion of the motor case 27 in the vicinity of the brush 36 is joined to the casing 16.
- the second fasteners 38 is comprised of a support piece 39 formed at the front end of the motor case 27, and a bolt 40 passing through the support piece 39 and screwed into the partition plate 22 of the casing 16.
- the electric motor 23 extends on and along the axis 18, and the bolt 40 extends substantially parallel to the axis 18, both of the electric motor 23 and the bolt 40 being positioned within the opening 19 in front view of the same (ie, the front view of the watercraft propulsion unit 4 when viewed from the front).
- assembling of the motor drive unit 8, or dismantling of the unit as shown in Fig. 5, can be performed easily, as well as maintenance or inspection, for example, at the time of replacement of the electric motor 23 inside the casing 16 with a new one.
- the propeller 24 is fastened removably to the casing 16 with third fasteners 43, and the reduction gear 25 removably to the casing with fourth fasteners 44.
- control device 47 for electronically controlling the electric motor 23.
- the control device 47 is provided with a control unit 48, a grip angle sensor 49 for detecting the rotation angle of the handle grip. 14, and a rotation switching device 50 for switching the direction of rotation of the electric motor 23 to a normal or a reverse one.
- These components 48, 49, 50 are electrically connected to each other.
- Numeral 55 designates a motor current sensor.
- a communication hole 56 for providing communication between inside spaces of the mounting pipe 12 and the casing 16.
- the motor drive unit 8 has an electrical equipment case 57 mounted to the lower end of the mounting pipe 12 of the bracket 6, and the drive means 53 is housed detachably in the electrical equipment casing 57.
- the electrical equipment case 57 is comprised of an electrical equipment case body 58 formed integrally with the upper wall of the casing body 17 of the casing 16, and opening 58a for opening the inside of the electrical equipment body 58 reawardly, a cover 59 for openably closing the opening 58a, and fifth fasteners 60 for fastening the cover 59 detachably to the electrical equipment case 58.
- the electrical equipment case 59 houses the drive means 53, which is fastened detachably on the inside wall of the cover 59 with sixth fasteners 61.
- the electrical equipment case body 58 is formed with a communication hole 62 for providing communication between the inside spaces of the mounting pipe 12 and the electrical equipment case 57.
- one ends of the electric wires 54 on the drive means side which run down from the control device 47 through the mounting pipe 12 of the bracket 6, reach the inside of the electrical equipment case 57, where they are connected disconnectably to the drive means 53.
- the drive means 53 can be taken out from inside the electrical equipment case 57 in one body with the cover 59 and the sixth fasteners 61.
- the electric wires 54 have a little slack, which allows taking in and out of the drive means 53.
- the electric wires 54 are cut at the lengthwise middle portion, and a couplers 64 are provided for coupling the cut ends disconnectably.
- the couplers 64 are disposed at the Inside front portion of the casing 16 between the cover 20 of the casing 16 and the front end of the electric motor 23, and positioned within the opening 19 in front view.
- the electric motor 23 is located right under the mounting pipe 12.
- the electrical equipment case 57, and the drive means 53 housed therein are located rearwardly of the lower end of the mounting pipe 12 of the bracket 6 and upwardly of the casing 16 and the electric motor 23.
- the propeller 24 is rotated in association with the motor 23, so that the watercraft 1 is propelled at a desired speed forwardly or backwardly on the surface of water 3.
- the electric motor 23 is housed in the casing 16 and protected from the outside, as a whole, so that the electric motor 23 needs only to be of a type for simply driving the propeller 24, that is, there is no need for a motor case 27 etc with a special structure, and thus a general purpose type is utilized for the electric motor 23 as described above.
- the casing 16 since the electric motor 23 is covered by the casing 16 so as not to he exposed to the body of water 7, the casing 16 will prevent the electric motor 23 from directly striking against the bottom of water during running. Therefore, it is not necessary for the motor case 27 of the electric motor 23 to be thick enough to withstand the impact at the time of the collision, and thus a general purpose type is utilized for the electric motor 23.
- the electric motor 23 is covered by the casing 16 so as not to be exposed to the body of water 7, thereby preventing the motor case 27 from being corroded by the water. Therefore, it is not necessary for a motor case 27 of the electric motor 23 to be made of special corrosion resistant material or to assume a corrosion proof structure, and thus an electric motor of a general purpose type is utilized.
- the electric motor 23 can be taken out from the casing 16 through the opening 19 if only the opening 19 is opened by loosening the first fasteners 21 and removing the cover 20.
- the opening 19 is first opened by manipulating the cover 20. Then, the couplers 64, which are located inside the opening 19 as described above, can be disconnected easily through the opening 19.
- the electric motor 23 can be taken out from the casing 16 through the opening 19 without any interference with electric wires 54 connecting the electric motor 23 and the control device 47.
- the motor case 27 is joined to the casing 16 in the vicinity of the brush 36. Therefore, the heat generated between the commutator 35 and the brush 36 is transmitted smoothly to the casing 16 from the motor case 27 in the vicinity of the brush 36, and further, released efficiently into the body of water 7 from the casing 16.
- the electric motor 23 is located right under the bracket 6 together with the casing 16, and the electrical equipment case 57 rearwardly of the lower end of the bracket 6.
- the casing 16, electric motor 23, and electrical equipment case 57 are located longitudinally at substantially the same place as the bracket 6, thereby preventing large forward or rearward projection of the casing 16, electric motor 23, and electrical equipment case 57 from the bracket 6.
- the electric motor 23 is located right under the bracket 6, so that the length of the electric wires 54 which run from the control unit 47 to the electric motor 23 through the bracket 6, can be kept small, thereby effecting easy wiring.
- the motor drive unit 8 has the electrical equipment case 57 mounted to the casing 16, and the drive means 53 is housed detachably in the electric equipment case 57.
- the drive means 53 can be attached or detached whether the electric motor 23 is mounted or not, so that maintenance and inspection of the drive means 53 can be performed easily.
- the electrical equipment case 57 is located rearwardly of the lower end of the bracket 6.
- the drive means 53 is arranged so that its maintenance and inspection can be performed easily, smooth propulsion of the watercraft 1 is ensured.
- the electrical equipment case 57 is located upwardly of the casing 16, so that the casing 16 prevents the electrical equipment case 57 from striking the bottom of the water during propulsion of the watercraft 1.
- the drive means 53 which is housed in the electrical equipment case 57 and whose impact resistance is small, is protected reliably from the impact force due to the collision.
- Fig. 6 shows a second embodiment.
- the commutator 35 of the electric motor 23 is mounted to the front end of the output shaft 33, so that the commutator 35 and the brush 36 is located at the front end portion inside the motor case 27.
- the support piece 39 is formed integrally on the outer surface of the motor case 27 in the vicinity of the brush 36, and joined to the front end of the casing body 17 of the casing 16 in surface contact relation. That is, the front portion of the motor case 27 in the vicinity of the brush 36 is joined to the casing 16.
- a watercraft propulsion unit having a bracket mounted to a hull and a motor drive unit mounted to the lower end of said bracket and located in the body of water, is characterized in that said motor drive unit comprising a casing forming an outer shell thereof and mounted to said bracket, an electric motor housed in said casing and mounted thereto, and a propeller supported by said casing and driven by said electric motor.
- the electric motor needs only to be of the type for simply driving the propeller, that is, there is no need for a special construction, and thus a general purpose electric motor can be utilized.
- the casing since the electric motor is covered by the casing so as not to be exposed to the body of water, the casing will prevent the electric motor from directly striking against the bottom of water during running. Therefore, it is not necessary for the motor case of the electric motor to be thick enough to withstand the impact at the time of the collision, and thus a general purpose electric motor can be utilized.
- the electric motor is covered by the casing so as not to be exposed to the body of water, thereby preventing the motor case from being corroded by the water. Therefore, it is not necessary for a motor case of the electric motor to be made of special corrosion resistant material or to assume a corrosion proof structure, and thus a general purpose electric motor can be utilized.
- a watercraft propulsion unit is characterized in that said casing is formed with an opening and provided with a cover for opening and closing said opening so that said electric motor can be inserted removably into said casing through said opening, and said electric motor is mounted removably to said casing.
- the electric motor which is housed in the casing, can be taken out from the casing through the opening if only the opening is opened by removing the cover.
- the electric motor is housed in the casing, maintenance and inspection of the electric motor can be performed easily, for example, at the time of replacement of the motor with new one.
- a watercraft propulsion unit is characterized in that on the hull is provided with a control device for controlling said electric motor, through said bracket are provided electric wires for connecting said electric motor and a control device, said wires being cut at the middle portion thereof, and in said casing are provided couplers for disconnectably connecting said cut ends of said wires, said couplers being located within said opening when viewed from the front of said opening.
- the couplers which are located inside the opening as described above, can be disconnected easily through the opening.
- the electric motor can be taken out easily outside of the casing through the opening without interference with the wires connecting the electric motor and the control device.
- a watercraft propulsion unit is characterized in that said electric motor comprises a motor case constituting its outer shell, a rotor housed in said motor case and supported by said motor case for rotation, an commutator rotatable with said rotor, and a brush mounted on said motor case for slidably engaging said commutator, said motor case being joined to said casing in the vicinity of said brush.
- the motor case is joined to the casing in the vicinity of the brush.
- the heat generated between the commutator and the brush is transmitted smoothly to the casing from the motor case in the vicinity of the brush, and further, released efficiently into the body of water from the casing.
- the electric motor though housed in the casing, is cooled down effectively without hindrance by the casing, preventing a higher temperature of the electric motor.
- a watercraft propulsion unit is characterized in that said electric motor is located right under said bracket.
- bracket and electric motor are located longitudinally at substantially the same place, thereby preventing large forward projection of the electric motor from the bracket.
- the electric motor is located right under the bracket, so that the length of the electric wires which run from the control unit to the electric motor through the bracket can be kept small, thereby effecting easy wiring.
- a watercraft propulsion unit provided with a bracket mounted to a hull and a motor drive unit mounted to the lower end of said bracket and located in the body of water, said motor drive unit having a casing mounted to said bracket, an electric motor mounted removably to said casing, a propeller mounted to said casing and driven by said electric motor, and drive means for controlling the rotational speed of said electric motor, is characterized in that said motor drive unit is provided with an electrical equipment case mounted to said casing, and said drive means is housed detachably in said electrical equipment case.
- the drive means can be attached or detached whether the electric motor is mounted or not, so that maintenance and inspection of the drive means can be performed easily.
- a watercraft propulsion unit is characterized in that said electrical equipment case is located rearwardly of the lower end of said bracket and upwardly of said casing.
- the electrical equipment case is located upwardly of the casing, so that the casing prevents the electrical equipment case from striking the bottom of the water during propulsion of the watercraft.
- the drive means which is housed in the electrical equipment case and whose impact resistance is small, is protected reliably from the impact force due to the collision.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18815296A JP3698818B2 (ja) | 1996-06-27 | 1996-06-27 | 船推進装置 |
JP188152/96 | 1996-06-27 | ||
JP18815396A JP3698819B2 (ja) | 1996-06-27 | 1996-06-27 | 船推進装置 |
JP18815296 | 1996-06-27 | ||
JP18815396 | 1996-06-27 | ||
JP188153/96 | 1996-06-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0816222A2 true EP0816222A2 (de) | 1998-01-07 |
EP0816222A3 EP0816222A3 (de) | 1999-02-10 |
EP0816222B1 EP0816222B1 (de) | 2002-12-18 |
Family
ID=26504754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970110587 Expired - Lifetime EP0816222B1 (de) | 1996-06-27 | 1997-06-27 | Antriebseinheit für Wasserfahrzeuge |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0816222B1 (de) |
DE (1) | DE69717914T2 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000047464A1 (de) * | 1999-02-12 | 2000-08-17 | Siemens Aktiengesellschaft | Elektrischer schiffsantrieb |
WO2001054972A1 (en) * | 2000-01-28 | 2001-08-02 | Abb Oy | Motor unit for a ship |
WO2001054973A1 (en) * | 2000-01-28 | 2001-08-02 | Abb Oy | Motor unit for a ship |
WO2001062347A3 (de) * | 2000-02-26 | 2002-04-25 | Andrea Grimmeisen | Motorwasserfahrzeug |
US7329160B2 (en) | 2000-02-26 | 2008-02-12 | Andrea Grimmeisen | Motorized watercraft |
US7963814B2 (en) | 2004-10-12 | 2011-06-21 | Rotinor Gmbh | Electric motor-driven water craft, which is cooled by the surrounding water |
WO2012003971A3 (de) * | 2010-07-06 | 2012-08-02 | Andritz Ritz Gmbh | Unterwasserantriebseinheit für offshore-einsatz mit hochspannungsgleichstromversorgung sowie unterwasserantriebssystem |
EP3006326A1 (de) * | 2014-10-10 | 2016-04-13 | Franco Moro | Verbesserte Außenbordmotoreinheit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE877254C (de) * | 1949-11-29 | 1955-01-31 | Pleuger K G | Elektromotorische Antriebsvorrichtung fuer Propeller od. dgl. von Schiffen |
DE1100493B (de) * | 1958-03-11 | 1961-02-23 | Emil Anton Stiebling | Elektrischer Aussenbordantrieb fuer Boote |
US3361215A (en) * | 1966-10-17 | 1968-01-02 | Robert E. Gayle | Magnetic driving apparatus for electric fishing motors |
US3723839A (en) * | 1972-03-27 | 1973-03-27 | Lowrance Electronics Mfg | Trolling motor with steering means |
US3954082A (en) * | 1973-09-04 | 1976-05-04 | William G. Roller | Motor housing for an electric trolling motor |
US3906887A (en) * | 1974-03-29 | 1975-09-23 | Chris S Kappas | Electric outboard motor |
US4296363A (en) * | 1974-09-09 | 1981-10-20 | Outboard Marine Corporation | Speed selection for a direct current permanent magnet motor |
US4559016A (en) * | 1984-04-30 | 1985-12-17 | Eaton Corporation | Mounting and cooling arrangement for semiconductor switch of an electric outboard motor |
JPS63251395A (ja) * | 1987-04-09 | 1988-10-18 | Moriyama Kogyo Kk | 電動船外機 |
-
1997
- 1997-06-27 EP EP19970110587 patent/EP0816222B1/de not_active Expired - Lifetime
- 1997-06-27 DE DE1997617914 patent/DE69717914T2/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
None |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000047464A1 (de) * | 1999-02-12 | 2000-08-17 | Siemens Aktiengesellschaft | Elektrischer schiffsantrieb |
CN100366506C (zh) * | 2000-01-28 | 2008-02-06 | Abb有限公司 | 船只的马达单元 |
WO2001054972A1 (en) * | 2000-01-28 | 2001-08-02 | Abb Oy | Motor unit for a ship |
WO2001054973A1 (en) * | 2000-01-28 | 2001-08-02 | Abb Oy | Motor unit for a ship |
NO334906B1 (no) * | 2000-01-28 | 2014-07-07 | Abb Oy | Motorenhet for et fartøy |
US6921303B2 (en) | 2000-01-28 | 2005-07-26 | Abb Oy | Motor unit for a ship |
US7163426B2 (en) | 2000-01-28 | 2007-01-16 | Abb Oy | Motor unit for a ship |
US7198528B2 (en) | 2000-01-28 | 2007-04-03 | Abb Oy | Motor unit for a ship |
WO2001062347A3 (de) * | 2000-02-26 | 2002-04-25 | Andrea Grimmeisen | Motorwasserfahrzeug |
US7329160B2 (en) | 2000-02-26 | 2008-02-12 | Andrea Grimmeisen | Motorized watercraft |
HRP20010788B1 (en) * | 2000-02-26 | 2011-04-30 | Grimmeisen Andrea | Motorized watercraft |
US6682372B2 (en) | 2000-02-26 | 2004-01-27 | Andrea Grimmeisen | Motorized watercraft |
US7963814B2 (en) | 2004-10-12 | 2011-06-21 | Rotinor Gmbh | Electric motor-driven water craft, which is cooled by the surrounding water |
WO2012003971A3 (de) * | 2010-07-06 | 2012-08-02 | Andritz Ritz Gmbh | Unterwasserantriebseinheit für offshore-einsatz mit hochspannungsgleichstromversorgung sowie unterwasserantriebssystem |
EP3006326A1 (de) * | 2014-10-10 | 2016-04-13 | Franco Moro | Verbesserte Außenbordmotoreinheit |
Also Published As
Publication number | Publication date |
---|---|
EP0816222A3 (de) | 1999-02-10 |
DE69717914T2 (de) | 2003-04-30 |
EP0816222B1 (de) | 2002-12-18 |
DE69717914D1 (de) | 2003-01-30 |
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