WO2016187627A1 - Wasserstrahlantrieb und wasserfahrzeug mit einem wasserstrahlantrieb - Google Patents
Wasserstrahlantrieb und wasserfahrzeug mit einem wasserstrahlantrieb Download PDFInfo
- Publication number
- WO2016187627A1 WO2016187627A1 PCT/AT2016/000058 AT2016000058W WO2016187627A1 WO 2016187627 A1 WO2016187627 A1 WO 2016187627A1 AT 2016000058 W AT2016000058 W AT 2016000058W WO 2016187627 A1 WO2016187627 A1 WO 2016187627A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water jet
- impeller
- drive
- region
- jet drive
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
- B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/10—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof
- B63H11/103—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof having means to increase efficiency of propulsive fluid, e.g. discharge pipe provided with means to improve the fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
- B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
- B63H2011/082—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with combined or mixed flow, i.e. the flow direction being a combination of centrifugal flow and non-centrifugal flow, e.g. centripetal or axial flow
-
- 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
Definitions
- the invention relates to a water jet drive according to the preamble of claim 1.
- the compressor part in this case has a plurality of blades, which are driven by a drive shaft.
- the drive shaft is passed through the intake area or the drive nozzle.
- Such a shaft bushing also has a high friction, whereby a high drive power is required.
- this drive shaft directly crosses a flow area and causes turbulence either in front of the impeller or in the exit nozzle, further reducing the efficiency of such drives and, in turn, increasing the required drive power. In addition, this can lead to cavitation on the drive shaft.
- the drive shaft transmits rotational energy to the surrounding water, which leads to a deterioration of the flow conditions in the intake or nozzle area, and leads to a further braking of the drive shaft and an increase in the required drive power.
- the object of the invention is therefore to provide a water jet drive of the type mentioned, in which the mentioned disadvantages can be avoided, which only requires a low drive power, and which
- the subject water jet drive has a simple and above all compact design.
- the water jet drive has a hydrodynamically clean structure, whereby the required drive power is low.
- Such a drive is insensitive to sucked objects, which are usually simply sucked or blown through, without getting tangled within the drive. Sucked fish usually pass unhindered the subject jet propulsion. This will set the operator in
- Fig. 1 shows a first embodiment of an objective water jet drive in elevation
- FIG. 2 shows the water jet drive according to FIG. 1 in section AA according to FIG. 1;
- FIG. FIG. 3 shows the water jet drive according to FIG. 1 in a first axonometric view;
- FIG. 2 shows the water jet drive according to FIG. 1 in section AA according to FIG. 1;
- FIG. 3 shows the water jet drive according to FIG. 1 in a first axonometric view;
- FIG. 2 shows the water jet drive according to FIG. 1 in section AA according to FIG. 1;
- FIG. FIG. 3 shows the water jet drive according to FIG. 1 in a first axonometric view;
- FIG. 4 shows the water jet drive according to FIG. 1 in a second axonometric view
- FIG. 5 shows a second embodiment of an objective water jet drive in elevation in a sectional view
- FIG. 6 the water jet drive of FIG. 5 in a first axonometric exploded view.
- Figs. 1 to 6 show different views of a preferred
- Embodiment of a water jet propulsion system 1 for a watercraft with a suction region 2, an impeller region 3 adjoining the intake region 2, in which a single-stage impeller 4 is arranged, and one to which
- Impeller area 3 subsequent outlet nozzle 5 wherein the water jet drive 1 has a drive motor 6, which at least indirectly with a
- Impeller drive shaft 7 of the impeller 4 is connected, wherein the impeller 4 has only a single blade 8.
- the subject water jet drive 1 has a simple and above all compact design.
- the waterjet drive 1 has a hydrodynamically clean structure, whereby the required drive power is low.
- a water jet drive 1 can be created, which only requires a low drive power. Because of the low drive power required, emission-free operation is also possible with an electric motor and batteries, with the water jet drive 1 still being able to supply enough thrust to operate a watercraft agile. By operating with an electric motor, and the associated low
- Noise such a propelled watercraft can be operated with virtually no restrictions on all waters, including in environmental protection areas. Due to the low noise, such a powered vessel is also suitable for the observation of animals and / or
- Such a water jet drive 1 is insensitive to sucked
- a water jet drive 1 In the subject drive is a water jet drive 1, therefore a drive in which water is sucked in, accelerated and discharged at an outlet nozzle 5.
- the water jet propulsion system 1 is intended for the propulsion of a watercraft, wherein the watercraft is preferably a so-called jet boat, although other floating bodies may also be provided.
- jet boats are referred to as Personal Watercraft or PWC in the small variants in which the driver, like a motorcycle or snowmobile, sits on a saddle or simply stands on it, and controls the boat with a motorcycle-like handlebar.
- the water jet drive 1 has a suction region 2, which preferably consists of a suction opening 15 and a suction channel 14 adjoining the suction opening 15.
- the suction region 2 is shaped such that - with an arrangement of the water jet drive 1 in a hull - a suction of water is possible, and the suction port 15 is therefore below a waterline.
- the intake channel 14 has a cross section which reduces in the flow direction, as a result of which a congestion effect can be achieved with a moving water jet drive 1.
- the suction 2 needed in the subject water jet drive 1 no guard, or sufficient for a very coarse-mesh guard, which causes virtually no pressure losses.
- the suction region 2 can with regard to its desired hydrodynamic properties are constructed, wherein in the preferred embodiments no impeller drive path 7 is passed through the suction region 2, and consequently neither a sealed one
- the suction region 2 is designed to achieve a substantially homogeneous flow at the impeller region 3.
- the intake 2 is made adjustable.
- the angle of the suction opening 15 relative to the axis of rotation of the impeller 4 is adjustable in order to adjust the flow of the Impeller Schemes 3 at different speeds. It can also be provided to adjust the opening cross-section and / or the shape of the intake opening 15 in a predeterminable manner. By these measures, the efficiency of the water jet drive 1 can be increased.
- Impeller region 3 which can also be referred to as a pump region to.
- impeller 4 In impeller 3 a single-stage impeller 4 is arranged.
- the impeller 4 is with a
- Impeller AntriebsweUe 7 connected, which with a drive motor 6 of the
- the drive motor 6 is preferably designed as an electric motor.
- Drive power can be kept very low. It has been shown that even a drive power up to 11 kW is sufficient to such a
- the water jet drive 1 comprises a motor control unit 20, which for controlling the electric motor or to its speed or power control with this circuit technology, such as
- the engine control unit 20 can be designed differently. According to a particularly preferred
- the engine control unit 20 at least one so-called.
- the motor control unit 20, according to FIGS. 1 to 4, preferably has a separate or independent housing, wherein at least one of the housing sides as
- Cooling surface 21 and heat sink of the engine control unit 20 is formed.
- Power electronic components cause power loss in the form of heat. It is preferably provided that the at least one cooling surface 21 of the
- Engine control unit 20 is disposed at least partially adjacent to the intake 2. Thereby, the power loss of the engine control unit 20 can be dissipated quickly and safely.
- the cooling surface 21 bears against a surface of the intake pipe 14, wherein the cooling surface 21 is formed separately from the surface of the intake pipe 14. This has the advantage that no sealing point must be provided in the intake.
- heat dissipation can further preferably provided to form the cooling surface 21 as part of the intake pipe 14. It is provided that the engine control unit 20 is flanged into the intake pipe 14, and consequently when removing the engine control unit 20, a corresponding opening in the intake pipe remains free.
- the impeller region 3 is preferably a combined axial / radial pump
- the impeller 4 has only a single blade 8. It has been shown that both a high efficiency can be achieved, but above all a very high insensitivity of the
- representational impeller 4 does not cause clogging or misplacement of the
- Impeller 3 but are simply promoted through this. It has been shown, for example, that fish as a rule survive unscathed through a passage through the subject water jet drive.
- the one airfoil 8 is preferably arranged or formed as a substantially conical spiral around a blade main body 9. This allows an efficient liquid transport can be achieved, with no dangerous
- the blade 8 therefore has the shape of a helical line or helix, which, however, does not have a constant diameter, but which steadily widens in the manner of a mathematical spiral. It is preferably provided that the individual airfoil 8 is guided more than once around the main blade body 9.
- the efficiency of the impeller is particularly high when the airfoil 8 is predeterminably curved in the direction of the suction region 2, as shown for example in FIGS. 5 and 6.
- the blade 8 is in this case from the blade body 9 both in the direction of the intake 2 and the
- Impeller housing 12 bent.
- the efficiency can be further improved by the blade 8 from the main blade body 9 away, ie in the direction of the impeller housing 12, tapers. It has been found in practice to be advantageous if the
- Blade 8 next to the impeller housing 12 only has a thickness or thickness of about one millimeter. As a result, the hydrodynamic friction between the blade 8 and the impeller housing 12 can be reduced.
- the blade body 9 is preferred as substantially
- the impeller 4 is arranged in an impeller housing 12. On a suction side of the impeller region 3 and the impeller housing 12, the intake pipe 14 is flanged to the impeller housing 12. On a print page of, in particular
- multi-part, impeller housing 12 is an outlet nozzle 5 and
- the impeller housing 12 is formed as a metal diecasting.
- an impeller housing inner wall 11 of an impeller housing 12 is frustoconical in the region of the impeller 4.
- the airfoil 8 extends as far as possible to the impeller housing inner wall 11. By small gaps in this area, the hydrostatic losses can be kept low.
- the impeller 4 itself is arranged on an impeller drive shaft 7, which is mounted in a rear wall of the impeller housing 12.
- the impeller drive shaft 7 is directly or indirectly connected to the drive motor 6.
- Fig. 1 to 4 is preferably provided that the drive motor 6 in
- Mounting position is arranged above the impeller region 3 and above the outlet nozzle 5. It is preferably provided that the impeller drive shaft 7 is arranged between the outlet nozzle 5 and the drive motor 6. As a result, a very compact, in particular very short construction, waterjet drive 1 is possible.
- the drive motor 6 is connected by means of a toothed belt 16, as shown in FIGS. 1 to 3, with the impeller drive shaft 7.
- a connection can be provided by means of chain drive, V-belt, friction wheels, gears or king shaft.
- the impeller region 3 is connected to the outlet nozzle 5.
- the impeller region 3 is connected to the outlet nozzle 5 at only one outlet peripheral region 13.
- This outlet peripheral region 13 is preferably arranged on one side of the impeller region 3 or of the impeller housing 12, which-with respect to the impeller drive shaft 7-lies opposite the drive motor 6. Due to the restriction to only one connection of the impeller region 3 with the outlet nozzle 5, as well as the preferred way of positioning this connection, the compact design of the impeller region 3 with the outlet nozzle 5, as well as the preferred way of positioning this connection, the compact design of the impeller region 3 with the outlet nozzle 5, as well as the preferred way of positioning this connection, the compact design of the impeller region 3 with the outlet nozzle 5, as well as the preferred way of positioning this connection, the compact design of the impeller region 3 with the outlet nozzle 5, as well as the preferred way of positioning this connection, the compact design of the impeller region 3 with the outlet nozzle 5, as well as the preferred way of positioning this connection, the compact design of the impeller region 3 with the outlet
- objective waterjet drive 1 further supported.
- the particularly preferred embodiment according to FIGS. 1 to 4 furthermore has a base frame 19 which is screwed together
- FIGS. 5 and 6 show a particularly preferred second embodiment of a water jet drive 1.
- Impeller area 3 substantially over the entire circumference with the
- Outlet nozzle 5 is connected, wherein between the impeller region 3 and the outlet nozzle 5, a so-called. Exit region 22 is arranged.
- a conical outlet flow body 23 is arranged next to the impeller region 3. This preferably has the same
- the conical outlet flow body 23 has a rotationally symmetrical and convex shape. Such a form is hydrodynamically favorable.
- a lateral surface of a surrounding outlet flow body housing 24 has a correspondingly opposite shape. It is preferably provided that the distance between the outlet flow body 23 and the
- Outflow body housing 24 is substantially constant. Due to the reduction in diameter in the direction of the subsequent outlet nozzle 5, there is a reduction in cross-section, which is continued by the outlet nozzle 5. By this predetermined reduction in cross-section Kavitatsne Trent can be reduced in the impeller 3 by a pressure against the
- the impeller 4 can further be operated at high speeds.
- Typical operating speeds of the subject impeller are from 2000 min “1 to 8000 min “ 1 , in particular in the range around 5000 "1 , without cavitation occurring Due to the high rotational speeds, the impeller 4 can have a small diameter.
- stators 25 are arranged on the outlet flow body 23 subsequent to the impeller region 3.
- These stators 25 have, as shown in Fig. 6, a profile, and direct the flow to the outlet nozzle 5.
- the stators 25 are arranged and configured so as to be adjustable. These are then in particular by a control and / or cruise control unit of
- Adjustability the angle of attack of the stators 25 can be adjusted.
- Outlet flow body 23 is arranged.
- the power is supplied by the stators 25. This allows a very direct and rigid drive of
- Impellers 4 Furthermore, this allows a good cooling of the drive motor 6. It is further preferably provided that the engine control unit 20 in the
- Outlet flow body 23 is arranged.
- a transmission between the drive motor 6 and the impeller drive shaft 7 of the impeller 4, a transmission, in particular a
- Planetary gear is arranged. It can also be provided that the drive motor 6 itself already has a transmission.
- the transmission is a mechanical transmission.
- the gearbox is to reduce or reduce a Drive motor speed provided or formed at a lower impeller drive shaft speed. As a result, a high-speed drive motor 6 can be used, whereby a higher power can be achieved. This is one
- the drive motor 6 is connected to a measuring device 26, which is designed to the absolute and / or relative position
- the measuring device 26 has a temperature sensor to monitor the operating temperature of the drive motor 6.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/577,187 US10689078B2 (en) | 2015-05-27 | 2016-05-27 | Waterjet propulsion system and watercraft having a waterjet propulsion system |
CN201680038075.6A CN107735315A (zh) | 2015-05-27 | 2016-05-27 | 喷水推进***和具有喷水推进***的船舶 |
EP16729177.2A EP3303121B1 (de) | 2015-05-27 | 2016-05-27 | Wasserstrahlantrieb und wasserfahrzeug mit einem wasserstrahlantrieb |
AU2016268754A AU2016268754B2 (en) | 2015-05-27 | 2016-05-27 | Waterjet propulsion system and watercraft having a waterjet propulsion system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA333/2015 | 2015-05-27 | ||
ATA333/2015A AT517444A1 (de) | 2015-05-27 | 2015-05-27 | Wasserstrahlantrieb |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016187627A1 true WO2016187627A1 (de) | 2016-12-01 |
Family
ID=56131257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2016/000058 WO2016187627A1 (de) | 2015-05-27 | 2016-05-27 | Wasserstrahlantrieb und wasserfahrzeug mit einem wasserstrahlantrieb |
Country Status (6)
Country | Link |
---|---|
US (1) | US10689078B2 (de) |
EP (1) | EP3303121B1 (de) |
CN (1) | CN107735315A (de) |
AT (1) | AT517444A1 (de) |
AU (1) | AU2016268754B2 (de) |
WO (1) | WO2016187627A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT517444A1 (de) * | 2015-05-27 | 2017-01-15 | Andreas Dipl Ing Desch | Wasserstrahlantrieb |
CN108609147B (zh) * | 2018-05-18 | 2020-01-10 | 中船黄埔文冲船舶有限公司 | 一种船舶进水流道及制作安装方法 |
SE545035C2 (en) * | 2020-11-06 | 2023-03-07 | Kongsberg Maritime Sweden Ab | A method for controlling a water jet propulsion device |
US20220177098A1 (en) * | 2020-12-03 | 2022-06-09 | Seamach Pty Ltd. | Vessel propelling system and assembly |
DE102022119795A1 (de) | 2022-08-05 | 2024-02-08 | VERVE Water Mobility GmbH | Wasserstrahlantrieb und Wasserfahrzeug mit einem Wasserstrahlantrieb |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002308183A (ja) * | 2002-03-07 | 2002-10-23 | Kawasaki Heavy Ind Ltd | 滑走艇のウォータージェットポンプの取付構造 |
JP2002362488A (ja) * | 2001-06-08 | 2002-12-18 | Sanshin Ind Co Ltd | 小型船舶における電動式推進装置 |
US20060057907A1 (en) * | 2004-09-10 | 2006-03-16 | Honda Motor Co., Ltd. | Water jet propeller |
US20120231681A1 (en) * | 2011-03-07 | 2012-09-13 | Yamaha Hatsudoki Kabushiki Kaisha | Vessel |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3609032A1 (de) | 1986-03-18 | 1987-09-24 | Schottel Werft | Antriebseinrichtung fuer insbesondere flachgehende wasserfahrzeuge |
DE3735699C2 (de) | 1987-10-22 | 1999-08-26 | Schottel Werft | Wasserstrahlantrieb für Wasserfahrzeuge |
JPH06298181A (ja) | 1993-04-08 | 1994-10-25 | Yamaha Motor Co Ltd | 水ジェット推進機 |
RU2205774C1 (ru) | 2002-05-06 | 2003-06-10 | Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт им. акад. А.Н.Крылова" | Водометный движительно-рулевой комплекс |
CN2702913Y (zh) | 2004-03-12 | 2005-06-01 | 哈尔滨工程大学 | 船用双轮卧式推进器 |
US20060014445A1 (en) * | 2004-05-25 | 2006-01-19 | Sword Marine Technology Llc | Outboard jet drive marine propulsion system and control lever therefor |
US10330110B2 (en) * | 2009-10-08 | 2019-06-25 | Sulzer Management Ag | Pump impeller |
JP2013107596A (ja) * | 2011-11-24 | 2013-06-06 | Yamaha Motor Co Ltd | 船舶および船舶推進ユニット |
CN203222104U (zh) | 2013-04-01 | 2013-10-02 | 贾文良 | 一种喷水推进器的除草装置 |
CN204078047U (zh) | 2014-07-21 | 2015-01-07 | 武汉船用机械有限责任公司 | 一种直接推力型喷水推进*** |
AT517444A1 (de) * | 2015-05-27 | 2017-01-15 | Andreas Dipl Ing Desch | Wasserstrahlantrieb |
-
2015
- 2015-05-27 AT ATA333/2015A patent/AT517444A1/de unknown
-
2016
- 2016-05-27 AU AU2016268754A patent/AU2016268754B2/en active Active
- 2016-05-27 US US15/577,187 patent/US10689078B2/en active Active
- 2016-05-27 WO PCT/AT2016/000058 patent/WO2016187627A1/de active Application Filing
- 2016-05-27 EP EP16729177.2A patent/EP3303121B1/de active Active
- 2016-05-27 CN CN201680038075.6A patent/CN107735315A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002362488A (ja) * | 2001-06-08 | 2002-12-18 | Sanshin Ind Co Ltd | 小型船舶における電動式推進装置 |
JP2002308183A (ja) * | 2002-03-07 | 2002-10-23 | Kawasaki Heavy Ind Ltd | 滑走艇のウォータージェットポンプの取付構造 |
US20060057907A1 (en) * | 2004-09-10 | 2006-03-16 | Honda Motor Co., Ltd. | Water jet propeller |
US20120231681A1 (en) * | 2011-03-07 | 2012-09-13 | Yamaha Hatsudoki Kabushiki Kaisha | Vessel |
Also Published As
Publication number | Publication date |
---|---|
CN107735315A (zh) | 2018-02-23 |
EP3303121A1 (de) | 2018-04-11 |
AU2016268754B2 (en) | 2020-07-16 |
EP3303121B1 (de) | 2019-11-27 |
AT517444A1 (de) | 2017-01-15 |
AU2016268754A1 (en) | 2018-01-25 |
US20180170500A1 (en) | 2018-06-21 |
US10689078B2 (en) | 2020-06-23 |
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