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EP0241730A1 - Dispositif de propulsion, notamment pour des bateaux à faible tirant d'eau - Google Patents

Dispositif de propulsion, notamment pour des bateaux à faible tirant d'eau Download PDF

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Publication number
EP0241730A1
EP0241730A1 EP87103778A EP87103778A EP0241730A1 EP 0241730 A1 EP0241730 A1 EP 0241730A1 EP 87103778 A EP87103778 A EP 87103778A EP 87103778 A EP87103778 A EP 87103778A EP 0241730 A1 EP0241730 A1 EP 0241730A1
Authority
EP
European Patent Office
Prior art keywords
watercraft
pump
centrifugal pump
manifold
drive device
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.)
Granted
Application number
EP87103778A
Other languages
German (de)
English (en)
Other versions
EP0241730B1 (fr
Inventor
Franz Dipl.-Kaufmann Krautkremer
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.)
Schottel GmbH and Co KG
Original Assignee
Schottel GmbH and Co KG
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 Schottel GmbH and Co KG filed Critical Schottel GmbH and Co KG
Publication of EP0241730A1 publication Critical patent/EP0241730A1/fr
Application granted granted Critical
Publication of EP0241730B1 publication Critical patent/EP0241730B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B63H11/101—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof having means for deflecting jet into a propulsive direction substantially parallel to the plane of the pump outlet opening
    • B63H11/102—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof having means for deflecting jet into a propulsive direction substantially parallel to the plane of the pump outlet opening the inlet opening and the outlet opening of the pump being substantially coplanar

Definitions

  • the invention relates to a drive device as described in the preamble of the main claim.
  • Watercraft for shallow water have a shallow draft and are therefore sensitive to changes in weight and displacement, especially if channels or tunnels are provided in the hull to guide the drive device.
  • such vehicles should be very maneuverable and must be maneuvered as effortlessly as possible. To make matters worse, such vehicles are very vulnerable to ground contact.
  • the drive device is installed in a protected manner, in particular against ground contact, it must function self-priming even in the smallest draft of the watercraft.
  • the result of these conditions is that the centrifugal pump itself is at risk from contaminants sucked into the water.
  • the invention has for its object to make the centrifugal pump itself insensitive to said contaminants, so that the known protective devices can either be avoided entirely or can be designed to be wide-meshed.
  • the invention thus allows a safe arrangement of the centrifugal pump, as described in claim 2.
  • the drive device according to the invention allows stones or the like to be carried away, which can impair the smooth running of the drive, which in turn has repercussions on the control device, i.e. the control of the pivoting movement of the elbow can cause, an embodiment with the features of claim 3 is appropriate.
  • Centrifugal pumps are understood in the sense of the invention to mean all pumps with rotating rotors.
  • An elbow is understood to mean any device which deflects a water jet from one direction to another, for example also a spiral housing, which redirects an axial flow to the pump into a radial flow.
  • a manifold 2 is pivotally mounted about a vertical pivot axis 3.
  • the manifold consists of an intake pipe 5 with a suction opening 9 and an exhaust pipe 6.
  • the exhaust pipe can be designed as a nozzle.
  • a propeller pump 7 is mounted between the intake and exhaust pipe and is attached to the lower end of a pump shaft 8.
  • the pump shaft is arranged in the manifold 2 eccentrically and parallel to the pivot axis 3.
  • the discharge pipe is directed obliquely downwards, which creates a propulsion component for the ship.
  • the eccentricity results in a small enclosed space for the housing 10 of the manifold 2.
  • the manifold does not protrude under the ship's bottom 4 or the keel.
  • the propeller of the propeller pump is arranged close to the intake opening.
  • the housing 10 of the manifold can consist entirely or partially of foamable plastic, whereby a tight and very light housing is achieved.
  • the storage of the housing is indicated schematically by 11 and seals by 12. All known face pumps for suitable bearings and seals must be taken into account.
  • the pivoting movement of the manifold 2 or its housing 10 is driven by a control motor 13, which is driven by a worm 14 and a worm wheel 15 acts on the manifold. This worm gear is self-locking.
  • the rotation of the propeller pump 7 is driven by a drive motor 16 which is mounted in the fuselage 1.
  • the drive acts via a clutch 17, a propeller shaft 18, a bevel pinion 19 on a bevel gear 20, which is seated on a transmission shaft 21, which is rotatably mounted in the pivot axis 3 of the manifold 2.
  • a gear 22 is arranged, which meshes with a second gear 23, which is attached to the upper end of the propeller shaft8. Due to the eccentricity of the propeller shaft, an extremely small diameter of the manifold housing can be achieved.
  • the propeller blades 24 of the propeller pump 7 are connected to one another by a ring 25.
  • the manifold can be facilitated in that the housing 10 is made entirely or partially of foamable plastic.
  • FIG. 2 shows an embodiment of the invention, in which the pump shaft 30 of the propeller pump 33 and the suction pipe 31 are inclined in the suction direction.
  • the propeller shaft 30 can be coupled to the transmission shaft 21 by means of a ball joint 32 or a bevel gear or a cardan shaft or another suitable element.
  • the torque can also be transmitted in that the drive motor 16 drives a pump or power generator and an associated hydraulic or electric motor is arranged on the propeller shaft 30. This can result in a very advantageous possibility of distributing the engine and one or more jet propulsion devices in the ship.
  • the control motor 13 is again provided for the pivoting movement and drives the manifold 2 via the self-locking worm gear 14, 15.
  • the blades 34 of the propeller pump 33 are connected to one another by a ring 35, which gives them the desired stability.
  • FIG. 3 shows an embodiment in which the propeller pump is replaced by a centrifugal pump 40 which is installed with an inclined pump shaft 41 in the manifold 2 so that the centrifugal pump is eccentric, in this case angular, to the pivot axis.
  • the centrifugal pump is driven by the drive motor 16 via the above-mentioned gear elements and via the transmission shaft 42, which can also be inclined somewhat in the sense of the propeller shaft, in deviation from FIG. 3, in order to evenly distribute the articulation angles of the universal joints or constant velocity joints.
  • the suction opening 9 of the suction pipe can or the like with guide vanes 43. be provided to facilitate the water flow.
  • the discharge pipe is arranged so that there is a propulsion component for the ship.
  • the intake pipe 5 is also so inclined and possibly curved, that the suction results in a propulsion component for the ship.
  • the housing 10 of the manifold 2 is designed and installed in the ship in such a way that it adapts exactly to the cutout of the ship and cuts off with the ship's bottom.
  • the pivoting movement of the manifold 2 can again be driven by the control motor via the self-locking worm gear 14, 15.
  • all structures that hold the blades, blades and the like are considered to be "rings”. connect to each other in addition to the hub and are preferably arranged on the periphery of the centrifugal pump.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
EP87103778A 1986-03-18 1987-03-16 Dispositif de propulsion, notamment pour des bateaux à faible tirant d'eau Expired - Lifetime EP0241730B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3609032 1986-03-18
DE19863609032 DE3609032A1 (de) 1986-03-18 1986-03-18 Antriebseinrichtung fuer insbesondere flachgehende wasserfahrzeuge

Publications (2)

Publication Number Publication Date
EP0241730A1 true EP0241730A1 (fr) 1987-10-21
EP0241730B1 EP0241730B1 (fr) 1991-09-11

Family

ID=6296664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103778A Expired - Lifetime EP0241730B1 (fr) 1986-03-18 1987-03-16 Dispositif de propulsion, notamment pour des bateaux à faible tirant d'eau

Country Status (6)

Country Link
US (1) US4838821A (fr)
EP (1) EP0241730B1 (fr)
CN (1) CN1010932B (fr)
AR (1) AR245056A1 (fr)
BR (1) BR8602156A (fr)
DE (2) DE3609032A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308834A (en) * 1995-08-24 1997-07-09 Gordon William Walke Watercraft Propulsion Apparatus
WO2009071077A3 (fr) * 2007-12-05 2010-10-28 Schottel Gmbh Système de propulsion de bateau à hydrojet

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735699C2 (de) * 1987-10-22 1999-08-26 Schottel Werft Wasserstrahlantrieb für Wasserfahrzeuge
DE4021340A1 (de) * 1990-07-04 1992-01-09 Schottel Werft Wasserstrahlantrieb fuer schiffe, die zum einsatz in flachen gewaessern bestimmt sind
US5476401A (en) * 1994-09-30 1995-12-19 The United States Of America As Represented By The Secretary Of The Navy Compact water jet propulsion system for a marine vehicle
AU751801B2 (en) * 1999-01-07 2002-08-29 Craig Zwaan Jet propulsion pump
AUPP804799A0 (en) 1999-01-07 1999-01-28 Zwaan, Craig Jet propulsion pump
US6009822A (en) * 1999-03-29 2000-01-04 Aron; Douglas A. Bow or stern thruster
US6561857B1 (en) * 2001-08-10 2003-05-13 Romer Mass Hump boat
EP2370314A2 (fr) * 2008-12-05 2011-10-05 Schottel GmbH Entraînement marin comportant un gicleur de pompe
CN102358414A (zh) * 2011-07-06 2012-02-22 吴尧 自动化船用舵
WO2013034059A1 (fr) * 2011-09-07 2013-03-14 Zhang Hong Navire rasant la surface de l'eau
CN103192972B (zh) * 2013-04-16 2016-04-06 胡贻勃 多缸回漏水阀排水推进器
CN103552678A (zh) * 2013-11-18 2014-02-05 陈广民 推进器侧旋推进法
CN103661902A (zh) * 2013-11-28 2014-03-26 苏州百胜动力机器股份有限公司 一种涡流推进器
AT517444A1 (de) 2015-05-27 2017-01-15 Andreas Dipl Ing Desch Wasserstrahlantrieb
CN107651150A (zh) * 2017-08-31 2018-02-02 哈尔滨工程大学 一种全回转推进装置
CN108820180B (zh) * 2018-07-01 2020-12-04 福建爱迪生科技有限公司 采用离心喷水方式进行水中推进方法
CA3158134A1 (fr) * 2019-10-22 2021-04-29 Paul Lincoln Sinclair Systeme et procede de propulsion marine a faible bruit acoustique
CN112124544A (zh) * 2020-10-12 2020-12-25 南京高精船用设备有限公司 一种船舶用推进系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE423687C (de) * 1922-12-14 1926-01-08 Gill Propeller Company Ltd Vorrichtung zum Antreiben, Steuern und Manoevrieren von Schiffen u. dgl.
US2112948A (en) * 1936-01-06 1938-04-05 Anderson Albert Francis Propeller for propelling and steering ships
GB2071592A (en) * 1980-03-13 1981-09-23 Schottel Werft Water jet propulsion of watercraft

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885990A (en) * 1955-10-24 1959-05-12 James M Hawthorne Maneuvering propeller means for ships
US3098464A (en) * 1962-04-10 1963-07-23 Barney B Holland Propulsion unit for shallow draft boats or the like
US3809005A (en) * 1972-07-20 1974-05-07 W Rodler Propulsion system
DE2757454C3 (de) * 1977-12-22 1980-10-30 Schottel-Werft Josef Becker Gmbh & Co Kg, 5401 Spay Wasserstrahlantrieb zum Antrieb und Steuern von insbesondere flachgehenden Wasserfahrzeugen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE423687C (de) * 1922-12-14 1926-01-08 Gill Propeller Company Ltd Vorrichtung zum Antreiben, Steuern und Manoevrieren von Schiffen u. dgl.
US2112948A (en) * 1936-01-06 1938-04-05 Anderson Albert Francis Propeller for propelling and steering ships
GB2071592A (en) * 1980-03-13 1981-09-23 Schottel Werft Water jet propulsion of watercraft

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308834A (en) * 1995-08-24 1997-07-09 Gordon William Walke Watercraft Propulsion Apparatus
WO2009071077A3 (fr) * 2007-12-05 2010-10-28 Schottel Gmbh Système de propulsion de bateau à hydrojet
US8550862B2 (en) 2007-12-05 2013-10-08 Schottel Gmbh Ship propulsion system having a pump jet

Also Published As

Publication number Publication date
CN87101817A (zh) 1987-10-07
US4838821A (en) 1989-06-13
DE3609032A1 (de) 1987-09-24
CN1010932B (zh) 1990-12-26
AR245056A1 (es) 1993-12-30
BR8602156A (pt) 1987-11-10
DE3772814D1 (de) 1991-10-17
EP0241730B1 (fr) 1991-09-11

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