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SE546653C2 - Marine controllable-pitch propeller - Google Patents

Marine controllable-pitch propeller

Info

Publication number
SE546653C2
SE546653C2 SE2251146A SE2251146A SE546653C2 SE 546653 C2 SE546653 C2 SE 546653C2 SE 2251146 A SE2251146 A SE 2251146A SE 2251146 A SE2251146 A SE 2251146A SE 546653 C2 SE546653 C2 SE 546653C2
Authority
SE
Sweden
Prior art keywords
pitch
propeller
adjusting member
drive shaft
actuator
Prior art date
Application number
SE2251146A
Other languages
Swedish (sv)
Other versions
SE2251146A1 (en
Inventor
Johan Tell
Lars Johansson
Peter Carlsson
Original Assignee
Volvo Penta Corp
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
Priority claimed from PCT/EP2022/077396 external-priority patent/WO2024068011A1/en
Application filed by Volvo Penta Corp filed Critical Volvo Penta Corp
Priority to SE2251146A priority Critical patent/SE546653C2/en
Priority to PCT/EP2023/073031 priority patent/WO2024068140A1/en
Publication of SE2251146A1 publication Critical patent/SE2251146A1/en
Publication of SE546653C2 publication Critical patent/SE546653C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/02—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary
    • B63H3/04—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary the control element being reciprocatable
    • 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
    • B63H1/20—Hubs; Blade connections
    • B63H1/22—Hubs; Blade connections the blades being foldable
    • B63H1/24—Hubs; Blade connections the blades being foldable automatically foldable or unfoldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/02—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary
    • 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
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller 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
    • 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
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
    • B63H2005/106—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type with drive shafts of second or further propellers co-axially passing through hub of first propeller, e.g. counter-rotating tandem propellers with co-axial drive shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Transmission Devices (AREA)

Abstract

A marine controllable -pitch propeller (1) to be mounted on a drive shaft (d), the marine controllable-pitch propeller (1) comprisinga propeller blade (10) comprising an offset pitch interface (11),a pitch adjusting member (20) that is adapted to be linearly movably mounted on the drive shaft (d) and connected to the offset pitch interface (11), such that a linear motion (A) of the pitch adjusting member (20) along the drive shaft (d) results in a pitch adjustment (P) of the propeller blade (10),a rotary actuator (30),a linear actuator (40) operationally arranged between the rotary actuator (30) and the pitch adjusting member (20), andtranslation means (31, 41) for translating a rotary motion (R) of the rotary actuator (30) about the drive shaft (d) into a linear motion (A) of the linear actuator (40) along the drive shaft (d), wherein the pitch adjusting member (20) is rotationally fixed to the propeller blade (10).

Claims (3)

Claims A marine controllable-pitch propeller (1) to be mounted on a drive shaft (d), the marine controllable-pitch propeller (1) comprising a propeller blade (10) comprising an offset pitch interface (11), - a pitch adjusting member (20) that is adapted to be linearly movably mounted on the drive shaft (d) and connected to the offset pitch interface (11), such that a linear motion (A) of the pitch adjusting member (20) along the drive shaft (d) results in a pitch adjustment (P) of the propeller blade (10), - a rotary actuator (3 0), - a linear actuator (40) operationally arranged between the rotary actuator (30) and the pitch adjusting member (20) to linearly move the pitch adjusting member (20) along the drive shaft (d), the linear actuator (40) not being rotationally fixed to the propeller blade (10) around the drive shaft (d), characterised in that the marine controllable-pitch propeller (1) further comprising - translation means (31, 41) for translating a rotary motion (R) of the rotary actuator (3 0) about the drive shaft (d) into a linear motion (A) of the linear actuator (40) along the drive shaft (d), wherein the pitch adjusting member (20) is rotationally fixed to the propeller blade (10) around the drive shaft (d) such that the pitch adjusting member (20) rotates together with the propeller blade (10) during use. The marine controllable-pitch propeller (1) of claim 1, wherein the translation means (31, 41) is configured such the angular difference between end positions of the rotatory actuator (30) is at least 90 degrees. The marine controllable-pitch propeller (1) of claim 1, wherein the translation means (31, 41) is conf1gured such that the angular difference between end positions of the rotatory actuator (30) is at least 180 degrees. The marine controllable-pitch propeller (1) of any preceding claim, wherein the translation means (31, 41) comprise thread means. The marine controllable-pitch propeller (1) of any preceding claim, Wherein the translation means (31, 41) comprise an internal thread (31) arranged on the rotary actuator (3 0) and an external thread (41) arranged on the linear actuator (40). The marine controllable-pitch propeller (1) of claim 5, Wherein the linear actuator (40) is arranged radially intemally the rotary actuator (3 0). The marine controllable-pitch propeller (1) of any one of claims 4 to 6, Wherein the thread pitch of the thread means is selected such the angular difference between end positions of the rotatory actuator (30) is at least 90 degrees. . The marine controllable-pitch propeller (1) of any preceding claim, Wherein the offset pitch interface (11) and the pitch adjusting member (20) are configured to engage in a positive fit. The marine controllable-pitch propeller (1) of any preceding claim, Wherein the offset pitch interface (1
1. comprises a protruding member that extends parallel to and at a distance from a pitch axis of the propeller blade (10). The marine controllable-pitch propeller (1) of claim 9, Wherein the pitch adjusting member (20) comprises a receiving opening (21) that is adapted to receive the protruding member. The marine controllable-pitch propeller (1) of claim 10, Wherein the pitch adjusting member (20) comprises a number of separate receiving openings (21). The marine controllable-pitch propeller (1) of any preceding claim, Wherein a bearing is arranged between the linear actuator (40) and the pitch adjusting member (20). The marine controllable-pitch propeller (1) of any preceding claim, Wherein the linear actuator (40) and the pitch adjusting member (20) are linearly fixed to one another. The marine controllable-pitch propeller (1) of any preceding claim, Wherein the linear actuator (40) comprises a rotation blocking interface (43) that is adapted to be engaged by a stationary member to rotationally fix the linear actuator (40).15. The niarine controllable-pitch propeller (1) of any preceding claini con1prising a niovable housing (
2. , Which is rotationally fixed to the drive shaft (d), and a stationary housing (
3. , Wherein the linear actuator (40) is rotationally fixed to the stationary housing (3) and the rotary actuator (30) is rotatable With respect to the stationary housing (3) for pitch adjustnient of the propeller blade (10).
SE2251146A 2022-09-30 2022-10-03 Marine controllable-pitch propeller SE546653C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE2251146A SE546653C2 (en) 2022-09-30 2022-10-03 Marine controllable-pitch propeller
PCT/EP2023/073031 WO2024068140A1 (en) 2022-09-30 2023-08-22 Marine controllable-pitch propeller and a propeller system for a boat and boat including the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP2022/077396 WO2024068011A1 (en) 2022-09-30 2022-09-30 Propeller system for a boat and boat including the same
SE2251146A SE546653C2 (en) 2022-09-30 2022-10-03 Marine controllable-pitch propeller

Publications (2)

Publication Number Publication Date
SE2251146A1 SE2251146A1 (en) 2024-03-31
SE546653C2 true SE546653C2 (en) 2025-01-07

Family

ID=87845737

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2251146A SE546653C2 (en) 2022-09-30 2022-10-03 Marine controllable-pitch propeller

Country Status (2)

Country Link
SE (1) SE546653C2 (en)
WO (1) WO2024068140A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548045A (en) * 1945-08-20 1951-04-10 Harry J Nichols Amplitorque controllable pitch propeller
US2711796A (en) * 1950-02-23 1955-06-28 Amiot Felix Variable pitch propeller mechanism
US5931637A (en) * 1996-01-22 1999-08-03 Something Else Limited Liability Company Propeller with variable rate of pitch change
US20100310368A1 (en) * 2009-06-09 2010-12-09 Hamilton Sundstrand Corporation Electrical system for driving a propeller pitch change mechanism
US20130142653A1 (en) * 2010-08-17 2013-06-06 Siemens Aktiengesellschaft Variable-pitch propeller or repeller
CN110254675A (en) * 2019-05-24 2019-09-20 顾海港 Ship adjustable pitch propeller and its automatically controlled pitch adjustment mechanism
US20200156749A1 (en) * 2018-11-20 2020-05-21 William Edoardo SCACCHI Propeller for sailing boats with variable pitch with automatic return to feathered position without gears

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567340A (en) 1968-05-21 1971-03-02 Kurt Schneider Variable pitch propeller
DE10111910A1 (en) * 2001-03-13 2002-09-19 Man B&W Diesel A/S, Copenhagen Sv Hybrid diesel mechanical and electrical drive system for safe and adaptable ship operation
US20080089786A1 (en) * 2006-10-17 2008-04-17 Sinreich Mark G Counter-Rotating Integrated Propeller Assembly
US9452815B2 (en) * 2013-03-15 2016-09-27 Michigan Marine Propulsion Systems, LLC Contra-rotating propulsor for marine propulsion
CN107310703B (en) * 2017-06-29 2018-10-09 大连碧蓝节能环保科技有限公司 A kind of displacement marine propeller
CN112937822A (en) * 2021-03-09 2021-06-11 北京航空航天大学 Single-drive foldable coaxial propeller device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548045A (en) * 1945-08-20 1951-04-10 Harry J Nichols Amplitorque controllable pitch propeller
US2711796A (en) * 1950-02-23 1955-06-28 Amiot Felix Variable pitch propeller mechanism
US5931637A (en) * 1996-01-22 1999-08-03 Something Else Limited Liability Company Propeller with variable rate of pitch change
US20100310368A1 (en) * 2009-06-09 2010-12-09 Hamilton Sundstrand Corporation Electrical system for driving a propeller pitch change mechanism
US20130142653A1 (en) * 2010-08-17 2013-06-06 Siemens Aktiengesellschaft Variable-pitch propeller or repeller
US20200156749A1 (en) * 2018-11-20 2020-05-21 William Edoardo SCACCHI Propeller for sailing boats with variable pitch with automatic return to feathered position without gears
CN110254675A (en) * 2019-05-24 2019-09-20 顾海港 Ship adjustable pitch propeller and its automatically controlled pitch adjustment mechanism

Also Published As

Publication number Publication date
WO2024068140A1 (en) 2024-04-04
SE2251146A1 (en) 2024-03-31

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