WO2021113903A1 - Vaisseau de surface multicoque hyrbride - Google Patents

Vaisseau de surface multicoque hyrbride Download PDF

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Publication number
WO2021113903A1
WO2021113903A1 PCT/AU2020/051335 AU2020051335W WO2021113903A1 WO 2021113903 A1 WO2021113903 A1 WO 2021113903A1 AU 2020051335 W AU2020051335 W AU 2020051335W WO 2021113903 A1 WO2021113903 A1 WO 2021113903A1
Authority
WO
WIPO (PCT)
Prior art keywords
multihull
powered
hybrid
vessel
surface vessel
Prior art date
Application number
PCT/AU2020/051335
Other languages
English (en)
Inventor
Robert Dane
Original Assignee
Solar Sailor Pty Ltd
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 AU2019904726A external-priority patent/AU2019904726A0/en
Application filed by Solar Sailor Pty Ltd filed Critical Solar Sailor Pty Ltd
Publication of WO2021113903A1 publication Critical patent/WO2021113903A1/fr

Links

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
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/125—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising more than two hulls
    • 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
    • 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
    • B63H21/20—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
    • 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
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B63H2021/171—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor making use of photovoltaic energy conversion, e.g. using solar panels
    • 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
    • B63H21/20—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
    • B63H2021/202—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units of hybrid electric type
    • B63H2021/205—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units of hybrid electric type the second power unit being of the internal combustion engine type, or the like, e.g. a Diesel engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
    • Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
    • Y02T70/5236—Renewable or hybrid-electric solutions

Definitions

  • the present invention relates broadly to a hybrid-powered multihull surface vessel and relates particularly, although not exclusively, to a hybrid-powered trimaran.
  • the prior art literature is replete with disclosures of multihull vessels powered by a combination of combustion and electric engines.
  • there are several hybrid trimarans including the unmanned trimaran of Chinese patent application no. 110065588A by Zhang et at.
  • Zhang et al discloses an unmanned vessel that is designed to operate both at and below the water’s surface.
  • the main hull of Zhang etal includes a propeller powered by a hybrid engine (combustion fuel and electricity) whereas its secondary hulls are each driven by an electric screw.
  • the unmanned vessel of Zhang etal is driven by the main propeller and electric screws operating simultaneously.
  • the vessel In its underwater mode of operation, the vessel is powered by electricity alone where propulsion is provided by either the main propeller and the electric screws, or the electric screws alone.
  • a hybrid-powered multihull surface vessel comprising: a main hull including first propulsion means operatively coupled to a combustion engine located at the main hull; a supplementary hull laterally spaced from and connected to the main hull to increase the surface stability of the main hull, the supplementary hull including second propulsion means operatively coupled to an electric motor located at the supplementary hull, the second propulsion means being driven via the electric motor independent of the combustion engine which drives the first propulsion means; an onboard control system arranged to control the combustion engine and the electric motor for surface sailing of the vessel in either i) a primary propulsion mode where propulsion of the vessel at the surface is effected at relatively high speed via the combustion engine and the associated first propulsion means alone, or ii) a secondary propulsion mode where propulsion of the vessel at the surface is effected at relatively low speed via the electric motor and the associated secondary propulsion means alone .
  • control system operates in the primary propulsion mode to deactivate the electric motor, and in the secondary propulsion mode to deactivate the combustion engine. More preferably the control system operates in the secondary propulsion mode to deactivate an electrical generator which functions to recharge batteries used to power the electrical motor associated with the second propulsion means.
  • the vessel also comprises a source of electricity located at the main hull and operatively coupled to the electric motor to power it for actuation of the second propulsion means.
  • the source of electricity from which the electric motor is powered includes one or more batteries located at the main hull of the multihull.
  • said one or more batteries are rechargeable and operatively coupled to an electrical generator located at the main hull and configured for recharging said batteries.
  • the electrical generator is fuelled by combustible fuel stored at the main hull of the multihull.
  • the rechargeable batteries are operatively coupled to one or more solar panels mounted to either the main or the supplementary hulls and configured for recharging said batteries.
  • the combustion engine associated with the first propulsion means is an internal combustion engine. More preferably the internal combustion engine is a diesel engine fuelled by diesel fuel located at the main hull. Still more preferably the electrical generator for recharging the batteries associated with the electric motor and the second propulsion means includes another internal combustion engine fuelled by at least some of the diesel fuel used to fuel the diesel engine.
  • the multihull is in the form of a trimaran where the main hull is a centremost hull, and the supplementary hull is one of a pair of side hulls connected to and laterally spaced either side of the centremost hull.
  • the multihull is in the form of a stabilised monohull where the supplementary hull is one of a pair of stabilisers connected to and laterally spaced either side of the main hull.
  • the pair of stabilisers are in the form of a pair of outriggers located either side of the main hull.
  • the second propulsion means includes a pair of second propellers dedicated to respective of the pair of side hulls of the trimaran. More preferably said pair of propellers are driven, via respective of their electric motors, in concert thereby providing effective steerage of the trimaran. Still more preferably the pair of propellers and their respective electric motors are designed for relatively low speed propulsion of the trimaran.
  • the vessel includes one or more bow thrusters mounted to the main hull to promote steerage of the vessel.
  • the vessel includes one or more supplementary batteries arranged to electrically power the bow thrusters, said supplementary batteries being recharged via one or more of the electrical generator, said one or more batteries associated with the electric motor, or said one or more solar panels.
  • the first propulsion means includes a first propeller dedicated to the main hull. More preferably the first propeller and the combustion engine are designed for relatively high speed propulsion of the vessel.
  • the vessel is an unmanned surface vessel.
  • Figure 1 is a perspective view of an embodiment of a hybrid-powered multihull surface vessel constructed in accordance with the present invention
  • Figure 2 is a perspective view with decks removed from the hybrid-powered multihull surface vessel of figure 1 ;
  • Figure 3 is a side elevation of the hybrid-powered multihull vessel of the preceding figures
  • Figure 4 is a front view of the hybrid-powered multihull vessel of the preceding figures.
  • Figure 5 is a plan view of the hybrid-powered multihull vessel of the preceding figures.
  • Figure 6 is a plan view with decks removed from the hybrid-powered multihull vessel of the preceding figures.
  • FIG. 10 there is an embodiment of a hybrid-powered multihull surface vessel 10 according to the invention.
  • the surface vessel 10 is configured as an unmanned surface vessel (USV) although it will be understood that the invention as broadly defined also extends to manned or otherwise crewed vessels.
  • the multihull USV 10 broadly comprises:
  • a main hull 12 including first propulsion means 14 operatively coupled to a combustion engine 16;
  • a supplementary hull such as 18a laterally spaced from and connected to the main hull 12 to increase the stability of the main hull 12, the supplementary hull 18a including second propulsion means 20a operatively coupled to an electric motor 22a located at the supplementary hull 18a;
  • an onboard control system shown schematically in figures 2 and 6 as 40 arranged to control the combustion engine 16 and the electric motors 22a/b to effect sailing of the multihull 10 at the surface in either: i) a primary propulsion mode where propulsion of the multihull 10 is effected at a relatively high speed via the combustion engine 16 and the first propeller 32 alone; or ii) a secondary propulsion mode where propulsion of the multihull 10 is effected at relatively low speed via the electric motors 22a/b and the associated second propellers 34a/b alone.
  • the combustion engine 16 is in this example in a conventional manner located within the main hull 12. It will be understood that the second propulsion means 20a is driven via the associated electric motor 22a independent of and separate to the combustion engine 16 which drives the first propulsion means 14.
  • the multihull vessel 10 also comprises a source of electricity in the form of a bank of batteries 24 located at the main hull 12.
  • the batteries 24 are operatively coupled to the electric motor such as 22a to power it for actuation of the second propulsion means 20a.
  • the batteries 24 also provide electricity to the vessel 10 for its onboard electrical “house” loads.
  • the batteries 24 of this embodiment are rechargeable and operatively coupled to a pair of electrical generators 26a and 26b also located at the main hull 12 and configured for recharging of the batteries 24.
  • the electrical generators 26a/b are fuelled by combustible fuel stored at the main hull 12 of the multihull 10.
  • the combustible fuel is diesel fuel held in a storage tank 28 within the main hull 12.
  • the combustion engine 16 of this embodiment is an internal combustion engine operatively coupled to the first propulsion means 14 via a gearbox 30.
  • the internal combustion engine 16 is in this example a diesel engine fuelled by diesel fuel held within the storage tank 28.
  • the diesel engine 16 and the electrical generator 26a are thus fuelled by diesel fuel from the same storage tank 28. It will be understood that the combustion engine 16 and the electrical generators 26a/b may be fuelled from separate sources holding the same fuel, such as diesel, or different fuels depending on the requirement of the combustion engine 16 and the electrical generators 26a/b.
  • the multihull vessel 10 is in the form of a trimaran where the main hull 12 is a centremost hull, and the supplementary hull 18a is one of a pair of side hulls 18a and 18b.
  • the side hulls 18a/b are physically connected to and laterally spaced either side of the centremost hull 12.
  • the multihull vessel may be in the form of a stabilised monohull (not shown) where the supplementary hull is one of a pair of stabilisers connected to and laterally spaced either side of the main hull.
  • the pair of stabilisers are in the form of a pair of outriggers located either side of the main hull.
  • the first propulsion means 14 includes a first propeller 32 arranged to extend beneath the main hull 12 in a conventional manner.
  • the first propeller 32 and the combustion engine 16 are together designed for relatively high speed propulsion of the vessel 10 at the surface.
  • the trimaran 10 of this example may under the influence of the first propeller 32 and the diesel engine 16 travel at high speeds.
  • the second propulsion means 20a/b includes a pair of second propellers 34a/b dedicated to respective of the pair of side hulls 18a/b of the trimaran 10.
  • the propellers 34a/b are driven via their respective electric motors 22a/b for relatively low speed propulsion of the trimaran 10 at the surface.
  • the propellers 34a/b of this example are of a conventional folding design where the blades of the propeller 34a/b collapse and feather when it is inoperative.
  • the second propulsion means may include retractable or tilting legs of a conventional design.
  • the pair of second propellers 34a/b being mounted to the laterally spaced side hulls 18a/b provide the capability to assist with steerage of the trimaran 10.
  • the trimaran 10 may be steered to port by powering the second propeller 34a dedicated to the sideboard side hull 18a whilst the second propeller 34b dedicated to the port side hull 18b is inactive.
  • the primary propulsion mode at high speed is typically required where the trimaran 10 is “delivered” to a relatively distant location and generally no functional purpose other than motoring at the water’s surface to its destination is provided by the multihull 10 in this mode of operation.
  • the control system 40 deactivates the electrical motors 22a/b which are likely to be ineffective at this high speed.
  • the propellers 34a/b of the second propulsion means 20a/b may fold to reduce drag, or alternatively the leg associated with the propeller may retract or tilt out of the water.
  • the associated batteries 24 are held at substantially full charge in preparation for low speed sailing under the influence of the electric motors 22a/b and the associated second propellers 34a/b.
  • the secondary propulsion mode at low speed is typically required where the multihull 10 is loitering or operating in stealth at the water’s surface and generally within a localised region.
  • the control system 40 of this embodiment is arranged to deactivate the combustion engine 16.
  • the control system 40 operates to provide propulsion of the trimaran 10 which when:
  • the onboard control system 40 of this example is operatively coupled to the electric motors 22a/b via cabling 42a/b, and the combustion engine 16 via cabling 44. It will be appreciated that the control system 40 may communicate wirelessly with either or both of the electric motors 22a/b and the combustion engine 16.
  • the control system 40 may include alternative or supplementary control paths. For example, fuel to the combustion engine 16 may be controlled by an isolation valve (not shown) located on a fuel line 46 between the storage tank 28 and the combustion engine 16.
  • the trimaran 10 includes one or more solar panels such as 48 mounted to the deck 49 of the main hull 12 and configured for recharging the batteries 24. This recharging of the batteries 24 via the solar panels 48 may be required:
  • trimaran 10 operates in the stealth mode and recharging of the batteries 24 is required but without activating the electrical generators 26a/b;
  • the trimaran 10 or other multihull vessel includes an underwater appendage such as a keel 50 fitted to the main hull 12.
  • the keel 50 is in this embodiment substantially hollow and thus internally defines a cavity (not shown).
  • the cavity is designed to house or locate a payload such as a winch from which a cable is deployed having a remote device connected at its distal end.
  • the cable is deployed via an opening in the keel as described in the applicant’s international patent application no. PCT/AU2017/050553. The contents of this international patent application are to be considered included herein by way of this reference.
  • the trimaran 10 includes a rudder 52 mounted to a transom 54 of the main hull 12.
  • the rudder 52 provides effective steerage of the trimaran 10 in a conventional manner.
  • the trimaran may be steered via a rudder located at the rear of each of the side hulls.
  • the hybrid-powered multihull is configured to operate in either of its high speed primary propulsion mode or relatively low speed secondary propulsion mode;
  • the relatively low power electric motors are powered by relatively heavyweight batteries located in the main hull remote from the side or supplementary hulls which can thus be relatively small and lightweight;
  • supplementary batteries may be provided in the main hull to electrically power the bow thrusters.
  • the supplementary batteries would in this instance be recharged via the electrical generators or the optional solar panels when included in the design.
  • the diesel engine of the preferred embodiments may be replaced with any other combustion engine and the combustion fuel selected depending on the engine requirements.
  • the multihull vessel may include more than one fuel storage tank where for example one tank is dedicated to the combustion engine with another tank dedicated to the electrical generators.
  • the combustion engine may be one of a pair of side by side engines each having their respective propulsion means in the form of twin screws.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne de manière générale un vaisseau de surface multicoque à propulsion hybride, lequel vaisseau comprend une coque principale comprenant des premiers moyens de propulsion couplés de manière fonctionnelle à un moteur à combustion ; une coque supplémentaire espacée latéralement vis-à-vis de la coque principale et reliée à celle-ci pour accroître la stabilité de la coque principale, la coque supplémentaire comprenant des seconds moyens de propulsion couplés de façon fonctionnelle à un moteur électrique situé à la coque supplémentaire ; un système de commande embarqué conçu pour commander le moteur à combustion et les moteurs électriques pour effectuer la navigation du multicoque à la surface soit dans : i) un mode de propulsion primaire dans lequel la propulsion du multicoque est effectuée à une vitesse relativement élevée à l'aide du moteur à combustion et de la première hélice seule ; soit dans ii) un mode de propulsion secondaire dans lequel la propulsion du multicoque est effectuée à une vitesse relativement basse à l'aide des moteurs électriques et des secondes hélices associées seules.
PCT/AU2020/051335 2019-12-13 2020-12-08 Vaisseau de surface multicoque hyrbride WO2021113903A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2019904726A AU2019904726A0 (en) 2019-12-13 A Hybrid Multihull Surface Vessel
AU2019904726 2019-12-13

Publications (1)

Publication Number Publication Date
WO2021113903A1 true WO2021113903A1 (fr) 2021-06-17

Family

ID=76328763

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2020/051335 WO2021113903A1 (fr) 2019-12-13 2020-12-08 Vaisseau de surface multicoque hyrbride

Country Status (1)

Country Link
WO (1) WO2021113903A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115806025A (zh) * 2023-02-03 2023-03-17 淄博市水利勘测设计院有限公司 一种水上动力测绘无人船及其应用方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350164B1 (en) * 2000-03-31 2002-02-26 Bombardier Motor Corporation Of America Dual electric motor stern drive with forward thruster control
WO2009021559A1 (fr) * 2007-08-10 2009-02-19 Code-X Ag Catamaran solaire-hybride
US8992274B1 (en) * 2012-06-15 2015-03-31 Brunswick Corporation Systems and methods for manually operating hybrid propulsion and regeneration systems for marine vessels
CN107380341B (zh) * 2017-06-29 2019-04-09 大连理工大学 一种油电混合三体高速船及其工作方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350164B1 (en) * 2000-03-31 2002-02-26 Bombardier Motor Corporation Of America Dual electric motor stern drive with forward thruster control
WO2009021559A1 (fr) * 2007-08-10 2009-02-19 Code-X Ag Catamaran solaire-hybride
US8992274B1 (en) * 2012-06-15 2015-03-31 Brunswick Corporation Systems and methods for manually operating hybrid propulsion and regeneration systems for marine vessels
CN107380341B (zh) * 2017-06-29 2019-04-09 大连理工大学 一种油电混合三体高速船及其工作方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115806025A (zh) * 2023-02-03 2023-03-17 淄博市水利勘测设计院有限公司 一种水上动力测绘无人船及其应用方法

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