EP4516656A1 - Schiffsantriebssystem - Google Patents

Schiffsantriebssystem Download PDF

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Publication number
EP4516656A1
EP4516656A1 EP23194882.9A EP23194882A EP4516656A1 EP 4516656 A1 EP4516656 A1 EP 4516656A1 EP 23194882 A EP23194882 A EP 23194882A EP 4516656 A1 EP4516656 A1 EP 4516656A1
Authority
EP
European Patent Office
Prior art keywords
drive unit
propellers
propulsion system
activation message
unit
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.)
Pending
Application number
EP23194882.9A
Other languages
English (en)
French (fr)
Inventor
Jonas BRASK
Dennis KÖHLBERG
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.)
Volvo Penta AB
Original Assignee
Volvo Penta AB
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 Volvo Penta AB filed Critical Volvo Penta AB
Priority to EP23194882.9A priority Critical patent/EP4516656A1/de
Priority to US18/817,684 priority patent/US20250074566A1/en
Priority to US18/817,695 priority patent/US20250074568A1/en
Priority to JP2024146578A priority patent/JP2025036309A/ja
Priority to GB2412776.3A priority patent/GB2634819A/en
Priority to CN202411210503.1A priority patent/CN119551171A/zh
Publication of EP4516656A1 publication Critical patent/EP4516656A1/de
Pending 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
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/21—Control means for engine or transmission, specially adapted for use on marine vessels
    • 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
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • 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
    • B63H20/14—Transmission between propulsion power unit and propulsion element
    • B63H20/16—Transmission between propulsion power unit and propulsion element allowing movement of the propulsion element in a horizontal plane only, e.g. for steering
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B79/00—Monitoring properties or operating parameters of vessels in operation
    • B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
    • B63B79/15—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B79/00—Monitoring properties or operating parameters of vessels in operation
    • B63B79/40—Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
    • 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
    • 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
    • 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
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/10—Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit; Control of trim or tilt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • 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
    • 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
    • B63H2020/005—Arrangements of two or more propellers, or the like on single outboard propulsion units
    • B63H2020/006—Arrangements of two or more propellers, or the like on single outboard propulsion units of coaxial type, e.g. of counter-rotative type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/21—Control means for engine or transmission, specially adapted for use on marine vessels
    • B63H2021/216—Control means for engine or transmission, specially adapted for use on marine vessels using electric control means

Definitions

  • a marine propulsion system for a marine vessel comprising
  • the activation message is activated by an operator or captain and/or is an automatically generated activation message.
  • a technical benefit may include providing different possibilities for activating the activation message.
  • the one or more sensor(s) is/are configured to detect a draught around the marine vessel and based on the detected draught activates the beach mode activating message.
  • a technical benefit may include that the propulsion system ensures that the risk for the drive unit and one or more propellers are being damaged during operating in shallow waters are minimized, even in circumstances where the captain or operator of the marine vessel is less experienced.
  • the one or more sensor(s) is/are configured to detect an obstacle and/or humans or animals around the marine vessel and based on the detection activates the swim mode activating message.
  • a technical benefit may include that the propulsion system ensures that the risk for damaging humans or animals during bathing and swimming around the marine vessel is minimized.
  • the drive unit is locked in the swim mode until swim mode activation message is deactivated by the operator or captain.
  • a technical benefit may include that it is ensured that the drive unit not intendedly is activated when humans are bathing and swimming around the marine vessel.
  • the drive unit is configured to be started with a special acknowledgement operation when in swim mode, such as unlocking by a physical or digital key.
  • a technical benefit may include that the captain or operator shall perform a dedicated and special action before the drive unit can be started which minimizes the risk for damaging the person bathing and swimming around the marine vessel as well as minimizes the risk for unintended starting of the drive unit.
  • the one or more propellers is/are locked when in the swim mode so that they are unable to rotate.
  • a technical benefit may include that it is ensured that the one or more propellers not intendedly is/are rotated.
  • the swim mode activation message when the swim mode activation message is deactivated, the lower part is rotated to its intended position before it the one or more propellers is/are allowed to rotate.
  • a technical benefit may include that the risk for unintended activation of the one or more propellers is minimized.
  • control unit is configured to issue a notification that it is safe to swim around the drive unit when the lower part of the drive unit has been rotated the position with the one or more propellers at least facing forward in the position of minimum 90 degrees compared to the aft facing position of the one or more propellers, and the one or more propellers are locked.
  • a technical benefit may include that the persons onboard the marine vessel and/or around the marine vessel are notified that it is safe to bath and swim around the marine vessel.
  • the drive unit comprises one or more unit sensors configured to detect a position of the lower part of the drive unit and/or the position of the one or more propellers.
  • the propulsion system may provide information about the position of the one or more propellers to the captain or operator of the marine vessel.
  • a technical benefit may include facilitating that the drive unit is connected with and positioned correctly in relation to the marine vessel.
  • the drive unit is arranged to be moved in relation to the transom bracket for moving the drive unit in the water and out of the water
  • the drive unit is connected with the transom bracket via a connecting arm having a first pivot joint connected with the transom bracket and a second pivot joint connected with the drive unit, wherein the drive unit is configured to be moved in the water and out of the water by the connecting arm pivots around the first pivot joint or the drive unit pivots around the second pivot joint or the connecting arm and the drive unit pivot around both pivot joints.
  • a technical benefit may include that the drive unit may be trimmed in different trim positions of the drive unit independently water depth.
  • the marine propulsion system 1 also comprises an input unit 22 configured to receive an activation message indicative of an operation mode for the drive unit 3, and a control unit 23 being operatively connected with the drive unit 3 and the input unit 22, the control unit 23 is configured to control the drive unit 3 on basis of the activation message received from the input unit 22.
  • the input unit 22 may be arranged at the marine vessel 100 or at the drive unit 3, in the example in FIG. 1 the input unit 22 is arranged at the marine vessel 100.
  • the control unit may also be arranged at the marine vessel 100 or at the drive unit 3, in the example in FIG. 1 the input unit 22 is arranged at the marine vessel 100.
  • the control unit 23, in response to receiving a beach mode activation message from the input unit 22, is configured to rotate the lower part 21 to a position with the one or more propellers facing aft in relation to the marine vessel, as shown in FIG. 1 and/or wherein the control unit 23, in response to receiving a swim mode activation message from the input unit, is configured to rotate the lower part 21 to a position with the one or more propellers 13a, 13b at least facing forward in a position of minimum 90 degrees compared to an aft facing position of the one or more propellers.
  • the beach mode activation message may be activated when the marine vessel 100 is approaching shallow water or the harbor for instance.
  • the swim mode activation message may be activated when persons onboard the marine vessel 100 would like to swim around the marine vessel 100, for instance by using the bathing platform 103 arranged at the transom 101 of the marine vessel 100.
  • control unit 23, in response to receiving a beach mode activation message from the input unit 22, is configured to bring the drive unit to a reduced draught mode of operation, and/or wherein the control unit 23, in response to receiving a swim mode activation message from the input unit 22, is configured to bring the drive unit to a maximum draught position.
  • the drive unit 3 may be moved upwards to the reduced draught position when the control unit 23 receives the beach mode activation message. Furthermore, the drive unit 3 may be moved downwards to the maximum draught position when the control unit 23 receives the swim mode activation message.
  • the propellers 13a, 13b are configured to be a pushing drive, hence in normal operation they are pushing the marine vessel 100.
  • the first and second propellers 13a, 13b are arranged after the lower part 21 so that when rotated they will push the lower part 21.
  • the drive unit 3 may be trimmed in different angles for optimizing the angle of thrust for the propellers 13a, 13b during different operating conditions.
  • the drive unit 3 is positioned in neutral trim where the angle of thrust of the first propeller 13a and the second propeller 13b are zero.
  • the drive unit 3 has been pivoted in a clockwise direction in relation to the marine vessel so as to position the drive unit 3 in a negative trim having a negative angle of thrust A of the first propeller 13a and the second propeller 13b.
  • the drive unit 3 has been pivoted in an anticlockwise direction in relation to the marine vessel 100 so as to position the drive unit 3 in a positive trim having a positive angle of thrust A of the first propeller 13a and the second propeller 13b.
  • FIG. 4 is the marine propulsion system 1 of FIG. 1 shown in a beach mode where the lower part 21 has been rotated around the axis R in relation to the upper part 20.
  • the control unit 23 in response to receiving a swim mode activation message from the input unit 22, has rotated the lower part 21 to a position with the one or more propellers 13a, 13b facing forward towards the marine vessel 100.
  • the first and second propellers 13a, 13b have been rotated 180 degrees compared to their position shown in FIG. 1 .
  • the control unit 23 may rotate the first and second propellers 13a, 13b minimum 90 degrees compared to an aft facing position of the one or more propellers 13a, 13b.
  • the control unit 23 may be configured to lower the drive unit 3 to its lowermost position so that the swimmers are further protected from the one or more propellers 13a, 13b.
  • the activation message is activated by an operator or captain on the marine vessel 100 and/or is an automatically generated activation message.
  • the operator or captain may activate the beach mode activating message at the input unit 22, and/or the operator or captain may activate the swim mode activating message at the input unit 22.
  • the drive unit 3 may be locked in the swim mode until swim mode activation message is deactivated by the operator or captain.
  • the drive unit 3 is configured to be started with a special acknowledgement operation when in swim mode, such as unlocking by a physical or digital key.
  • a special acknowledgement operation when in swim mode, such as unlocking by a physical or digital key.
  • the one or more propellers 13a, 13b may be locked when in the swim mode so that they are unable to rotate. Also, when the swim mode activation message is deactivated, the lower part 21 is rotated to its intended position before the one or more propellers 13a, 13b is/are allowed to rotate.
  • the drive unit 3 may also comprise one or more unit sensors 25 configured to detect a position of the lower part 21 of the drive unit 3 and/or the position of the one or more propellers 13a, 13b.
  • the one or more unit sensors 25 may be configured to detect a height position of the drive unit 3.
  • the one or more unit sensors 25 are operatively connected with the control unit 23.
  • the control unit 23 is configured to control the drive unit 3 with the additional assistance of the detection of the one or more unit sensors 25.
  • the propulsion system 1 of FIG. 1 is shown in a top view.
  • the first and second propellers 13a, 13b are arranged in their pushing position facing aft as described in connection with FIG. 1 .
  • the automatically generated activation message may also be based on sensor data obtained from one or more sensor(s) 24.
  • the one or more sensor(s) 24 may be configured to detect a draught around the marine vessel 100 and based on the detected draught activates the beach mode activating message.
  • the one or more sensor(s) 24 may be configured to detect an obstacle and/or humans or animals around the marine vessel 100 and based on the detection activates the swim mode activating message.
  • the one or more sensor(s) 24 may also be configured to detect obstacles and/or humans or animals in the vicinity of the one or more propellers 13a, 13b ).
  • the one or more sensors 24 are operatively connected with the control unit 23.
  • the one or more sensors 24 may be arranged on the vessel and/or on the drive unit 3.
  • the sensor 24 may be a LiDAR sensor, a Sonar sensor, a speed log, a torque sensor, and/or a depth sensor.
  • the one or more sensors 24 may be a basic on/off switch, sensing or detecting if a gate to the bathing platform is opened or closed, or other mechanical parts.
  • the one or more sensors 24 is/are configured to provide the control unit 23 with feedback to what mode the control unit 23 is allowed to activate.
  • control unit 23 may be configured to issue a notification that the drive unit 3 is in the beach mode when the lower part 21 of the drive unit 3 has been rotated the position with the one or more propellers 13a, 13b facing aft in relation to the marine vessel 100, whereby the drive unit 3 can run the marine vessel in shallow water.
  • control unit 23 may be configured to issue one or more indications for indicating when the swim mode is active and thereby it is safe to swim around the drive unit 3. At least the swim mode may be associated with a green light or indication 30 arranged in connection to a bathing platform 103 of the marine vessel 100 so that it is visible for the swimmers in the water and/or onboard the marine vessel 100 that it is safe to swim around the marine vessel.
  • the control unit 23 is also configured to issue a notification that it is safe to swim around the drive unit 3 when the lower part 21 of the drive unit 3 has been rotated the position with the one or more propellers 13a, 13b at least facing forward in the position of minimum 90 degrees compared to the aft facing position of the one or more propellers 13a, 13b, and the one or more propellers 13a, 13b are locked for rotation.
  • LiDAR vessel sensors 40 may be arranged around the marine vessel 100 for detecting obstacles and/or humans around the marine vessel 100.
  • the LiDAR vessel sensors 40 are arranged in each corner of the marine vessel 100.
  • the LiDAR vessel sensors 40 are operatively connected with the control unit 23 so that the control unit 23 is configured to control the drive unit 3 with the additional assistance of the detection of the LiDAR vessel sensors 40.
  • the control unit 23 may also be configured to process the detected obstacles and/or humans and to present the detected obstacles and/or humans on a display for the operator or captain so that the captain is presented with real-time data about the objects around the drive unit 3.
  • the drive unit 3 may be an outboard motor.
  • the motor may be an electric motor.
  • FIGS. 6a-6g an example of rotating the lower part 21 is shown as a sequence.
  • the sequence is shown in a top view and is based on the drive unit shown in FIG. 5 .
  • the position of the lower part 21 where the first and second propellers 13a, 13b are facing aft is set as zero degrees.
  • the lower part 21 has been rotated in a clockwise direction to a position 45 degrees compared to the position of FIG. 5 .
  • FIG. 6b the lower part 21 has been rotated in the clockwise direction to a position 90 degrees compared to the position of FIG. 5 .
  • the drive unit 3 is in the swim mode position.
  • the lower part 21 has been rotated further in the clockwise direction to a position 135 degrees compared to the position of FIG. 5 .
  • the drive unit 3 is in the swim mode position.
  • the drive unit 3 is in the swim mode position.
  • the lower part 21 has been rotated further in the clockwise direction to a position 180 degrees compared to the position of FIG. 5 . It is the same position as shown in FIG. 4 and the drive unit 3 is in the swim mode position. In this position, the drive unit 3 is in the swim mode position.
  • the lower part 21 has been rotated further in the clockwise direction to a position 225 degrees compared to the position of FIG. 5 .
  • the drive unit 3 In this position, the drive unit 3 is in the swim mode position. In this position, the drive unit 3 is in the swim mode position.
  • the lower part 21 has been rotated further in the clockwise direction to a position 270 degrees compared to the position of FIG. 5 . In this position, the drive unit 3 is in the swim mode position. In this position, the drive unit 3 is in the swim mode position.
  • the lower part 21 has been rotated further in the clockwise direction to a position 315 degrees compared to the position of FIG. 5 .
  • Example 34 The marine propulsion system ( 1 ) of any of the preceding Examples, further comprising a tilt and trim arrangement ( 50 ), the control unit ( 23 ) is operatively connected with the tilt and trim arrangement.
  • Example 37 The marine propulsion system ( 1 ) of Example 36, wherein the drive unit ( 3 ) is arranged to be moved in relation to the transom bracket ( 2 ) for moving the drive unit ( 3 ) in the water and out of the water, the drive unit ( 3 ) is connected with the transom bracket ( 2 ) via a connecting arm ( 4 ) having a first pivot joint ( 5 ) connected with the transom bracket ( 2 ) and a second pivot joint ( 6 ) connected with the drive unit ( 3 ), wherein the drive unit ( 3 ) is configured to be moved in the water and out of the water by the connecting arm ( 4 ) pivots around the first pivot joint ( 5 ) or the drive unit ( 3 ) pivots around the second pivot joint ( 6 ) or the connecting arm ( 4 ) and the drive unit ( 3 ) pivot around both pivot joints ( 5, 6 ).
  • Example 38 The marine propulsion system ( 1 ) of Example 37, wherein the drive unit ( 3 ) is configured to be moved by the connecting arm ( 4 ) is pivoted around the first pivot joint ( 5 ) in a clockwise direction or an anticlockwise direction independently of any pivoting of the drive unit ( 3 ) around the second pivot joint ( 6 ).
  • Example 40 The marine propulsion system ( 1 ) of Example 37, wherein the drive unit ( 3 ) is configured to be moved by the connecting arm ( 4 ) is pivoted around the first pivot joint ( 5 ) in a clockwise direction or an anticlockwise direction at the same time as the drive unit ( 3 ) is pivoted around the second pivot joint ( 6 ) in a clockwise direction or an anticlockwise direction.
  • Example 41 The marine propulsion system ( 1 ) of any of the Examples 37 to 40, wherein a rotation motor is arranged in the first pivot joint ( 5 ) and/or in the second pivot joint ( 6 ).
  • Example 42 The marine propulsion system ( 1 ) of any of the Examples 37 to 41, wherein a linear actuator ( 7 ) is arranged between the transom bracket ( 2 ) and the connecting arm ( 4 ), or between the connecting arm ( 4 ) and the drive unit ( 3 ).
  • Example 45 The marine propulsion system ( 1 ) of any of the Examples 41 to 44, wherein the rotation motor and the linear actuator(s) ( 7 ) are configured to pivot the connecting arm ( 4 ) around the first pivot joint ( 5 ) and/or the drive unit ( 3 ) around the second pivot joint ( 6 ).
  • Example 46 The marine propulsion system ( 1 ) of Example 37, wherein a gearing unit ( 8 ) is arranged in the first pivot joint ( 5 ) and/or in the second pivot joint ( 6 ).
  • Example 48 The marine propulsion system ( 1 ) of Example 46, wherein a motor or a step motor ( 9 ) is arranged for powering the gearing unit and/or planetary gearing unit.
  • Example 49 The marine propulsion system ( 1 ) of any of the Examples 46 to 48, wherein the gearing unit and/or the planetary gearing unit and/or the linear actuator(s) are configured to move the drive unit ( 3 ) by pivoting the connecting arm ( 4 ) around the first pivot joint ( 5 ) and/or by pivoting the drive unit ( 3 ) around the second pivot joint ( 6 ).
  • Example 50 The marine propulsion system ( 1 ) of any of the preceding Examples, wherein the control unit ( 23 ) is operatively connected with the drive unit ( 3 ), the first pivot joint ( 5 ), the second pivot joint ( 6 ), the linear actuator ( 7 ), the rotation motor ( 9 ), the electric motor, the hydraulic system and/or the step motor.
  • Example 51 The marine propulsion system ( 1 ) of any of the preceding Examples, wherein the drive unit ( 3 ) is configured to function as a bathing ladder in the swim mode.
  • Example 52 The marine propulsion system ( 1 ) of any of the preceding Examples, wherein the lower part ( 21 ) is rotatably connected with the upper part ( 20 ) over 360 degrees.
  • Example 53 The marine propulsion system ( 1 ) of any of the preceding claims, further comprising two or more drive units ( 3 ), each drive unit ( 3 ) comprises an upper part ( 20 ) and a lower part ( 21 ), the upper part ( 20 ) being pivotable in relation to the marine vessel ( 100 ) and the lower part ( 21 ) is rotatably connected with the upper part ( 20 ), the lower part ( 21 ) comprises one or more propellers ( 13a, 13b ), wherein the control unit ( 23 ), in response to receiving a beach mode activation message from the input unit ( 22 ), is configured to rotate the lower part ( 21 ) to a position with the one or more propellers ( 13a, 13b ) facing aft in relation to the marine vessel, and/or wherein the control unit ( 23 ), in response to receiving a swim mode activation message from the input unit ( 22 ), is configured to rotate the lower part ( 21 ) to a position with the one or more propellers ( 13a, 13b ) at least
  • Example 54 The marine propulsion system ( 1 ) of Example 54, wherein the control unit ( 23 ) is configured to rotate each lower part ( 21 ) in the same direction or in opposite directions.
  • Example 55 A marine vessel ( 100 ) comprising a marine propulsion system ( 1 ) of any of the preceding Examples.
  • Example 56 The marine vessel ( 100 ) of Example 55, further comprising a bathing platform ( 103 ).
  • Example 57 The marine vessel ( 100 ) of Example 55 and/or 56, further comprising a transom ( 101 ).
  • Example 58 A method of operating a marine propulsion system ( 1 ) of any of the Examples 1 to 54, comprising
  • Example 56 The method of Example 55, whereby the activation message is activated by an operator or captain and/or is an automatically generated activation message.
  • Example 57 The method of Example 55 and/or 56, further comprising bringing, in response to receiving a beach mode activation message, the drive unit to a reduced draught mode of operation, and/or bringing, in response to receiving a swim mode activation message, the drive unit to a maximum draught position.
  • Relative terms such as “below” or “above” or “upper” or “lower” or “horizontal” or “vertical” may be used herein to describe a relationship of one element to another element as illustrated in the Figures. It will be understood that these terms and those discussed above are intended to encompass different orientations of the device in addition to the orientation depicted in the Figures. It will be understood that when an element is referred to as being “connected” or “coupled” to another element, it can be directly connected or coupled to the other element, or intervening elements may be present. In contrast, when an element is referred to as being “directly connected” or “directly coupled” to another element, there are no intervening elements present.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Toys (AREA)
EP23194882.9A 2023-09-01 2023-09-01 Schiffsantriebssystem Pending EP4516656A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP23194882.9A EP4516656A1 (de) 2023-09-01 2023-09-01 Schiffsantriebssystem
US18/817,684 US20250074566A1 (en) 2023-09-01 2024-08-28 Marine propulsion control system
US18/817,695 US20250074568A1 (en) 2023-09-01 2024-08-28 Marine propulsion system
JP2024146578A JP2025036309A (ja) 2023-09-01 2024-08-28 船舶推進制御システム
GB2412776.3A GB2634819A (en) 2023-09-01 2024-08-30 Marine propulsion system
CN202411210503.1A CN119551171A (zh) 2023-09-01 2024-08-30 船舶推进系统

Applications Claiming Priority (1)

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EP23194882.9A EP4516656A1 (de) 2023-09-01 2023-09-01 Schiffsantriebssystem

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EP4516656A1 true EP4516656A1 (de) 2025-03-05

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US20060258233A1 (en) * 2005-04-15 2006-11-16 Jim Wilson Marine drive system
US20080096447A1 (en) * 2006-10-18 2008-04-24 De Masi Douglas D Stern drive motor or out board motor that can rotate 360 degrees and still go vertical or horizontal or both at the same time at any given time
US20100323565A1 (en) * 2006-06-01 2010-12-23 Johannes Bernogger Drive Device for a Watercraft
US20160090164A1 (en) * 2014-09-30 2016-03-31 Ab Volvo Penta Steerable tractor-type drive for boats
US20220306257A1 (en) * 2021-03-23 2022-09-29 Yamaha Motor Co., Ltd. System for and method of controlling watercraft

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US6213821B1 (en) * 1998-09-30 2001-04-10 Johnson Outdoors Inc Trolling motor assembly
US11591057B2 (en) * 2021-02-25 2023-02-28 Brunswick Corporation Propulsion devices and methods of making propulsion devices that align propeller blades for marine vessels
KR102500099B1 (ko) * 2022-06-30 2023-02-16 (주)한국알앤드디 로우워 유닛 회동식 선외기
SE2350443A1 (en) * 2023-04-14 2024-10-15 Volvo Penta Corp Watersport propulsion system for a marine watersport vessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060258233A1 (en) * 2005-04-15 2006-11-16 Jim Wilson Marine drive system
US20100323565A1 (en) * 2006-06-01 2010-12-23 Johannes Bernogger Drive Device for a Watercraft
US20080096447A1 (en) * 2006-10-18 2008-04-24 De Masi Douglas D Stern drive motor or out board motor that can rotate 360 degrees and still go vertical or horizontal or both at the same time at any given time
US20160090164A1 (en) * 2014-09-30 2016-03-31 Ab Volvo Penta Steerable tractor-type drive for boats
US20220306257A1 (en) * 2021-03-23 2022-09-29 Yamaha Motor Co., Ltd. System for and method of controlling watercraft

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US20250074568A1 (en) 2025-03-06
GB2634819A (en) 2025-04-23
CN119551171A (zh) 2025-03-04
GB202412776D0 (en) 2024-10-16

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