PROPULSION SYSTEM FOR A MARINE VESSEL
20240343370 · 2024-10-17
Assignee
Inventors
Cpc classification
B63H20/10
PERFORMING OPERATIONS; TRANSPORTING
B63H20/08
PERFORMING OPERATIONS; TRANSPORTING
International classification
Abstract
A propulsion system for a marine vessel includes a transom bracket being configured to be connected with a transom of the marine vessel, a drive unit being rotatably connected with the transom bracket so as to be pivotable from a lowered position into a raised position, or vice versa, and a trim arrangement being arranged between the transom bracket and the drive unit to adjust a trim angle of the drive unit when in the lowered position, wherein a support face is arranged on the transom of the marine vessel or at the transom bracket, and the drive unit comprises a support member arranged opposite the support face in the lowered position whereby the support face is configured to support the support member.
Claims
1. A propulsion system for a marine vessel, comprising a transom bracket being configured to be connected with a transom of the marine vessel, a drive unit being rotatably connected with the transom bracket so as to be pivotable from a lowered position into a raised position, or vice versa, and a trim arrangement being configured to adjust a trim angle of the drive unit when in the lowered position, wherein a support face is arranged on the transom of the marine vessel or at the transom bracket, and the drive unit comprises a support member arranged opposite the support face in the lowered position whereby the support face is configured to support the support member.
2. The propulsion system of claim 1, wherein the transom bracket comprises a first pivot hub part and a second pivot hub part, the first pivot hub part and the second pivot hub part comprises a first pivot joint, the drive unit being pivotable around the first pivot joint.
3. The propulsion system of claim 2, wherein the first pivot hub part and the second pivot hub part have an outer geometry enabling that the drive unit can be pivoted around the first pivot joint.
4. The propulsion system of claim 3, wherein a section of the the first pivot hub part and the second pivot hub part each have a section radius and a segment of the drive unit has a segment radius, the section radius and the segment radius being substantially equal to match each other in different trim angles of the drive unit when in the lowered position.
5. The propulsion system of claim 1, wherein the support face is arranged for receiving the support member in different trim angles of the drive unit.
6. The propulsion system of claim 1, wherein the support face comprises a rigid, semi-rigid or an elastic material or a combination thereof.
7. The propulsion system of claim 1, wherein a support element is arranged at the support face, the support element is made of a rigid, semi-rigid or an elastic material or a combination thereof.
8. The propulsion system of claim 1, wherein the drive unit is pivoted between the lowered position and the raised position by a tilt arrangement.
9. The propulsion system of claim 2, wherein the drive unit is connected with the transom bracket via a connecting arm, the connecting arm being connected with the transom bracket via the first pivot joint and connected with the drive unit via a second pivot joint, 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.
10. The propulsion system of claim 9, wherein the connecting arm comprises an arm support member, the arm support member is arranged opposite the support face in the lowered position of the drive unit whereby the support face is configured to support the arm support member in different angles of the drive unit.
11. The propulsion system of claim 9, wherein the connecting arm is configured to be pivoted around the first pivot joint in a clockwise direction or an anticlockwise direction independently of any pivoting of the drive unit around the second pivot joint.
12. The propulsion system of claim 9, wherein the drive unit is configured to be pivoted around the second pivot joint in a clockwise direction or an anticlockwise direction independently of any pivoting of the connecting arm around the first pivot joint.
13. The propulsion system of claim 9, wherein the connecting arm is configured to be pivoted around the first pivot joint in a clockwise direction or an anticlockwise direction at the same time as the drive unit is pivoted around the second pivot joint in a clockwise direction or an anticlockwise direction.
14. The propulsion system of claim 9, wherein the first pivot joint is arranged at a first end of the connecting arm, the second pivot joint is connected at a second end of the connecting arm.
15. The propulsion system of claim 14, wherein the arm support member is arranged at the second end.
16. The propulsion system of claim 1, wherein the support face has a first side and a second side, the first side and/or the second side has a side support face projecting outwards from the support face so that the side support face can support the support member in a transverse direction in relation to a longitudinal extension of the marine vessel.
17. The propulsion system of claim 16, wherein a first support face is projecting outwards from the first side and a second support face is projecting outwards from the second side.
18. The propulsion system of claim 1, wherein the drive unit comprises an electric motor.
19. The propulsion system of claim 2, wherein the drive unit is configured to be trimmed and/or titled around the first pivot joint and/or the second pivot joint.
20. A marine vessel comprising a transom and a propulsion system of claim 1.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0026]
[0027]
[0028]
[0029]
[0030]
[0031]
[0032]
DETAILED DESCRIPTION
[0033] The detailed description set forth below provides information and examples of the disclosed technology with sufficient detail to enable those skilled in the art to practice the disclosure.
[0034]
[0035] In the example shown the support face 10 is arranged at the transom bracket 2. However, in other examples the support face or support faces may be arranged directly on the transom of the marine vessel.
[0036] In
[0037] To enable that the drive unit may be pivoted around the transom bracket the drive unit 3 in an example may be connected with the transom bracket 2 via a pivot joint. The pivot joint may be arranged at the support member 11.
[0038] In
[0039] The transom bracket 2 comprises a first pivot hub part 50 and a second pivot hub part 51, the first pivot hub part 50 and the second pivot hub part 51 comprises the first pivot joint, the drive unit being pivotable around the first pivot joint. The transom bracket 2 also comprises a base plate 52. In the example the support face comprises two support faces 10 arranged on the base plate 52 between the first pivot hub part 50 and the second pivot hub part 51. The connecting arm 4 is connected with the transom bracket via the first pivot joint and is connected with the drive unit via a second pivot joint.
[0040] The first pivot hub part 50 and the second pivot hub part 51 are configured to support the drive unit 4 whereby they have a structure enabling the carry the load and forces exerted from the drive unit. The first pivot hub part 50 and the second pivot hub part 51 may be made of the rigid material.
[0041] Furthermore, as seen on
[0042] Moreover, a section 55 of the the first pivot hub part and the second pivot hub part each has a section radius and a segment 56 (seen on
[0043] The support face 10 or support faces 10 may comprise a rigid, semi-rigid or an elastic material or a combination thereof. In addition, a support element may be arranged at the support face(s) 10 or on the support face(s). The support element may be made of a rigid, semi-rigid or an elastic material or a combination thereof.
[0044] In
[0045] an example. In
[0046]
[0047] In
[0048] 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 around the second pivot joint 6. In
[0049] In addition, the drive unit 3 is configured to be moved by the drive unit is pivoted around the second pivot joint 6 in a clockwise direction or an anticlockwise direction independently of any pivoting of the connecting arm 4 around the first pivot joint 5. In
[0050] 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. In
[0051] In an example, the drive unit 3 comprises one or more propellers. In
[0052] The drive unit 3 has been pivoted in the anticlockwise direction around the second pivot joint 6 so that a positive trim angle and thereby angle of thrust A for the first propeller 13a and the second propeller 13b. In an example, the first propeller 13a is arranged to be counter-rotating compared to the second propeller 13b.
[0053] In
[0054] The linear actuator 25 may be a hydraulic cylinder or a pneumatic cylinder. In another example the trim arrangement may comprise a rotatory trim actuator.
[0055] In
[0056] In
[0057] Compared to
[0058] In addition, the drive unit 3 may also be positioned so that it is raised out of the water or at least above the first pivot joint, in a parked position, when not in use, for instance when the marine vessel 100 is in the harbour or at the beach.
[0059] In
[0060] The transom bracket 2 may have a first geometry as shown in
[0061] In
[0062] In
[0063] In an example, the drive unit may comprise an electric motor for powering the one or more propellers.
[0064] The propulsion system may further comprise a kick up function.
[0065] The present disclosure also relates to a marine vessel 100 comprising a transom 101 and a propulsion system 1 as described above.
[0066] Certain aspects and variants of the disclosure are set forth in the following examples numbered consecutive below.
[0067] Example 1: A propulsion system (1) for a marine vessel, comprising
a transom bracket (2) being configured to be connected with a transom (20) of the marine vessel,
a drive unit (3) being rotatably connected with the transom bracket (2) so as to be pivotable from a lowered position (L) into a raised position, or vice versa, and a trim arrangement (25) being configured to adjust a trim angle of the drive unit (3) when in the lowered position (L),
wherein a support face (10) is arranged on the transom of the marine vessel or at the transom bracket (2), and the drive unit (3) comprises a support member (11) arranged opposite the support face in the lowered position (L) whereby the support face is configured to support the support member.
[0068] Example 2: The propulsion system (1) of example 1, wherein the transom bracket comprises a first pivot hub part (50) and a second pivot hub part (51), the first pivot hub part and the second pivot hub part comprises a first pivot joint (5), the drive unit being pivotable around the first pivot joint.
[0069] Example 3: The propulsion system (1) of example 2, wherein the first pivot hub part and the second pivot hub part are configured to support the drive unit.
[0070] Example 4: The propulsion system (1) of example 2 and/or 3, wherein the first pivot hub part and the second pivot hub part are made of the rigid material.
[0071] Example 5: The propulsion system (1) of any of the examples 2 to 4, wherein the first pivot hub part and the second pivot hub part have an outer geometry enabling that the drive unit can be pivoted around the first pivot joint.
[0072] Example 6: The propulsion system (1) of example 5, wherein a section (55) of the the first pivot hub part (50) and the second pivot hub part (51) each have a section radius and a segment (56) of the drive unit (3) has a segment radius, the section radius and the segment radius being substantially equal to match each other in different trim angles of the drive unit (3) when in the lowered position (L).
[0073] Example 7: The propulsion system (1) of any of the preceding examples, wherein the support face (10) is arranged for receiving the support member (11) in different trim angles of the drive unit (3).
[0074] Example 8: The propulsion system (1) of any of the preceding examples, wherein the support face (10) comprises a rigid, semi-rigid or an elastic material or a combination thereof.
[0075] Example 9: The propulsion system (1) of any of the preceding examples, wherein a support element (35) is arranged at the support face (10), the support element is made of a rigid, semi-rigid or an elastic material or a combination thereof.
[0076] Example 10:The propulsion system (1) of any of the preceding examples, wherein the drive unit is pivoted between the lowered position and the raised position by a tilt arrangement.
[0077] Example 11: The propulsion system (1) of any of the preceding examples, wherein the drive unit (3) is connected with the transom bracket (2) via a connecting arm (4), the connecting arm being connected with the transom bracket (2) via the first pivot joint (5) and connected with the drive unit (3) via a second pivot joint (6),
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 pivots around the second pivot joint (6) or the connecting arm (4) and the drive unit (3) pivot around both pivot joints (5, 6).
[0078] Example 12: The propulsion system (1) of example 11, wherein the connecting arm comprises an arm support member (11), the arm support member (11) is arranged opposite the support face (10) in the lowered position (L) of the drive unit whereby the support face is configured to support the arm support member in different angles of the drive unit.
[0079] Example 13: The propulsion system (1) of examples 11-12, wherein the connecting arm (4) is configured to be pivoted around the first pivot joint (5) in a clockwise direction or an anticlockwise direction independently of any pivoting of the drive unit around the second pivot joint (6).
[0080] Example 14: The propulsion system (1) of examples 11-12, wherein the drive unit (3) is configured to be pivoted around the second pivot joint (6) in a clockwise direction or an anticlockwise direction independently of any pivoting of the connecting arm around the first pivot joint (5).
[0081] Example 15: The propulsion system (1) of examples 11-14, wherein the connecting arm is configured to be 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.
[0082] Example 16: The propulsion system (1) of any of the examples 11-15, wherein the first pivot joint (5) is arranged at a first end of the connecting arm (4), the second pivot joint (6) is connected at a second end of the connecting arm.
[0083] Example 17: The propulsion system (1) of example 16, wherein the arm support member (11) is arranged at the second end.
[0084] Example 18: The propulsion system (1) of any of the examples 11-17, wherein the connecting arm (4) is arranged in the center of the drive unit (3).
[0085] Example 19: The propulsion system (1) of example 18, wherein the connecting arm (4) is arranged between the first pivot hub part and the second pivot hub part.
[0086] Example 20: The propulsion system (1) of any of the examples 11-19, wherein two connecting arms are arranged between the transom bracket (2) and the drive unit (3).
[0087] Example 21: The propulsion system (1) of example 20, wherein the two connecting arms are arranged with a mutual distance between them.
[0088] Example 22: The propulsion system (1) of any of the examples 20-21, wherein the two connecting arms have the first pivot joint (5) and the second pivot joint (6) so that the two connecting arms move together around the first pivot joint and/or the second pivot joint.
[0089] Example 23: The propulsion system (1) of any of the examples 11-22, wherein the connecting arm taper from the first pivot joint (5) towards the second pivot joint (6).
[0090] Example 24: The propulsion system (1) of any of the preceding examples, wherein the trim arrangement comprises a linear actuator (25) having an actuator end, the actuator end being connected with the connecting arm (4).
[0091] Example 25: The propulsion system (1) of any of the examples 11-20, wherein the connecting arm (4) is configured to be pivoted around the first pivot point (5) in a maximum of 200 degrees.
[0092] Example 26: The propulsion system (1) of example 24, wherein the linear actuator (25) is connected with the drive unit (3) and the connecting arm (4).
[0093] Example 27: The propulsion system (1) of example 24 and/or 26, wherein the linear actuator (25) is connected with the drive unit (3) in a distance below the second pivot joint (6).
[0094] Example 28: The propulsion system (1) of example 27, wherein the linear actuator is connected with the drive unit (3) via a drive pivot joint (12).
[0095] Example 29: The propulsion system (1) of any of the examples 1 to 23, wherein the trim arrangement comprises a rotatory trim actuator.
[0096] Example 30: The propulsion system (1) of any of the examples 24 to 28,wherein the linear actuator is a hydraulic cylinder or a pneumatic cylinder.
[0097] Example 31: The propulsion system (1) of any of the preceding examples, wherein the drive unit (3) comprises an electric motor.
[0098] Example 32: The propulsion system (1) of any of the preceding examples,
[0099] wherein the drive unit (3) is configured to be trimmed and/or titled around the first pivot joint (5) and/or the second pivot joint (6).
[0100] Example 33: The propulsion system (1) of any of the preceding examples, wherein the drive unit comprises one or more propellers.
[0101] Example 34: The propulsion system (1) of example 33, wherein the one or more propellers are configured to push the marine vessel in a forward motion of the marine vessel.
[0102] Example 35: The propulsion system (1) of example 33, wherein the one or more propellers are configured to pull the marine vessel in a forward motion of the marine vessel.
[0103] Example 36: The propulsion system (1) of example 33, wherein the drive unit (3) comprises a first propeller (13a) and a second propeller (13b).
[0104] Example 37: The propulsion system (1) of example 36, wherein the first propeller (13a) is arranged to be counter-rotating compared to the second propeller (13b).
[0105] Example 38: The propulsion system (1) of any of the preceding examples, further comprising a kick up function.
[0106] Example 39: The propulsion system (1) of any of the preceding examples, wherein the transom bracket (2) has a first geometry and the drive unit (3) has a second geometry, the first geometry is designed so as to allow adjustments of trim angles even when the support members are supported by the support face.
[0107] Example 40: The propulsion system (1) of example 1, wherein the trim arrangement is arranged between the transom bracket (2) and the drive unit (3), and/or between any intermediate components or parts between the transom bracket and the drive unit.
[0108] Example 41: The propulsion system (1) of any of the examples 1-40, wherein the support face is configured to support the support member in a longitudinal extension (LE) of the marine vessel.
[0109] Example 42: The propulsion system (1) of any of the examples 1-41, wherein the support face (20) has a first side (30) and a second side (31), the first side and/or the second side has a side support face (32, 33) projecting outwards from the support face (10) so that the side support face can support the support member in a transverse direction (TE) in relation to a longitudinal extension (LE) of the marine vessel.
[0110] Example 43: The propulsion system (1) of example 42, wherein a first support face (32) is projecting outwards from the first side (30) and a second support face (33) is projecting outwards from the second side (31).
[0111] Example 44: A marine vessel comprising a transom and a propulsion system (1) of any of the preceding examples.
[0112] The terminology used herein is for the purpose of describing particular aspects only and is not intended to be limiting of the disclosure. As used herein, the singular forms a, an, and the are intended to include the plural forms as well, unless the context clearly indicates otherwise. As used herein, the term and/or includes any and all combinations of one or more of the associated listed items. It will be further understood that the terms comprises, comprising, includes, and/or including when used herein specify the presence of stated features, integers, actions, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, actions, steps, operations, elements, components, and/or groups thereof.
[0113] It will be understood that, although the terms first, second, etc., may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element without departing from the scope of the present disclosure.
[0114] 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.
[0115] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It will be further understood that terms used herein should be interpreted as having a meaning consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
[0116] It is to be understood that the present disclosure is not limited to the aspects described above and illustrated in the drawings; rather, the skilled person will recognize that many changes and modifications may be made within the scope of the present disclosure and appended claims. In the drawings and specification, there have been disclosed aspects for purposes of illustration only and not for purposes of limitation, the scope of the disclosure being set forth in the following claims.