EP0241730B1 - 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

Info

Publication number
EP0241730B1
EP0241730B1 EP87103778A EP87103778A EP0241730B1 EP 0241730 B1 EP0241730 B1 EP 0241730B1 EP 87103778 A EP87103778 A EP 87103778A EP 87103778 A EP87103778 A EP 87103778A EP 0241730 B1 EP0241730 B1 EP 0241730B1
Authority
EP
European Patent Office
Prior art keywords
centrifugal pump
pipe
intake pipe
pump
pump impeller
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.)
Expired - Lifetime
Application number
EP87103778A
Other languages
German (de)
English (en)
Other versions
EP0241730A1 (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

Links

Images

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.
  • a drive device is described in GB 2 071 592 A and the invention is based on it.
  • 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 water in the propulsion system.
  • 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 centrifugal pump as part of the drive device should be arranged as close as possible to the intake cross section of the channel or tunnel in the hull, through which the water jet used to drive and control the ship is conveyed by means of the centrifugal pump.
  • the result of these conditions is that the centrifugal pump itself is at risk from contaminants sucked into the water.
  • a pump pressure line connects an approximately vertical fixed suction pipe section to a likewise approximately vertical outlet pipe section, which is designed as a rotatable outlet nozzle with blades which are stiffened against one another and against the nozzle jacket by a central rib.
  • the intake pipe section is a housing in which a covered impeller is arranged between fixed guide vane rings. The casing of the impeller contributes to the definition of the flow channel and the guide vane ring arranged in front of the impeller is intended to supply the sucked water to the impeller with little loss.
  • the jacket of the impeller stiffens the impeller with a certain inevitability, without this being his task and the guide vane ring in front of the impeller could keep contaminants carried in the water away from the impeller, but without this being his actual task.
  • the guide vane ring in this solution like the protective grilles in generic drive devices, prevents the impeller or centrifugal pump wheel from being arranged as close as possible to the inlet of the flow channel.
  • the invention has for its object to make the centrifugal pump itself insensitive to said contaminants, so as to avoid the known protective devices.
  • 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 manifold, can cause an embodiment with the features of claim 2 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 an intake 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 eccentrically in the manifold 2 and parallel to the pivot axis 3.
  • the discharge tube 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.
  • the propeller pump can be replaced by a centrifugal pump 40 according to FIG. 3, which is installed in the manifold 2 with an inclined pump shaft such that the centrifugal pump is eccentric.
  • the blades 45 of the centrifugal pump are connected to one another with a ring 46, which ensures their desired stability.

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)

Claims (3)

  1. Dispositif de propulsion pour navires à faible tirant d'eau, comportant un carter (10) susceptible de pivoter autour d'un axe de pivotement (3) et renfermant une tubulure coudée constituée par un conduit d'aspiration (5) et un conduit d'éjection (6), un rotor de pompe centrifuge (7) étant disposé entre la fin du conduit d'aspiration (5) et le début du conduit d'éjection (6) en étant monté tournant sur un axe décalé latéralement par rapport à l'axe de pivotement (3), l'ouverture d'entrée du conduit d'aspiration et l'ouverture de sortie du conduit d'éjection étant, par ailleurs, situées dans le plan du fond de carène (4) de la coque du navire, et le conduit d'aspiration ainsi que le conduit d'éjection s'étendant finalement de manière inclinée par rapport au fond de carène de la coque du navire, caractérisé en ce que pour une disposition du rotor de pompe centrifuge (7) directement au-dessus de l'ouverture d'entrée du conduit d'aspiration dans le sens d'une disposition la plus proche possible de cette ouverture d'aspiration, et en renonçant à un système de protection entre le rotor de pompe centrifuge et l'ouverture d'entrée, les aubes du rotor de pompe centrifuge qui d'origine est dépourvu d'une enveloppe, sont reliées entre-elles sur leur périphérie extérieure, par un anneau (25) garantissant la stabilité des aubes.
  2. Dispositif de propulsion selon la revendication 1, caractérisé en ce que la tubulure coudée (2) peut être entraînée à partir d'un moteur (13), par l'intermédiaire d'une transmission à vis sans fin (14, 15) irréversible.
  3. Dispositif de propulsion selon au moins l'une des revendications 1 et 2, caractérisé en ce que l'axe de rotation de l'arbre de pompe (8, 30, 41) est disposé de manière excentrée par rapport à l'axe de pivotement (3) de la tubulure coudée (2).
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
DE19863609032 DE3609032A1 (de) 1986-03-18 1986-03-18 Antriebseinrichtung fuer insbesondere flachgehende wasserfahrzeuge
DE3609032 1986-03-18

Publications (2)

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

Families Citing this family (20)

* 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
GB2308834A (en) * 1995-08-24 1997-07-09 Gordon William Walke Watercraft Propulsion Apparatus
AUPP804799A0 (en) * 1999-01-07 1999-01-28 Zwaan, Craig Jet propulsion pump
AU751801B2 (en) * 1999-01-07 2002-08-29 Craig Zwaan 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
KR101614553B1 (ko) * 2007-12-05 2016-04-21 숏텔 게엠베하 펌프 제트를 가진 선박 추진 시스템
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
EP4048585A4 (fr) * 2019-10-22 2023-12-06 Paul Lincoln Sinclair Système et procédé de propulsion marine à 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB210930A (en) * 1922-12-14 1924-02-14 James Herbert Wainwright Gill Improvements in or relating to the manoeuvring or steering of ships and other vessels
US2112948A (en) * 1936-01-06 1938-04-05 Anderson Albert Francis Propeller for propelling and steering ships
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
DE3009671A1 (de) * 1980-03-13 1981-09-24 Schottel-Werft Josef Becker Gmbh & Co Kg, 5401 Spay Wasserstrahl-antriebsvorrichtung zum antrieb von wasserfahrzeugen

Also Published As

Publication number Publication date
CN87101817A (zh) 1987-10-07
EP0241730A1 (fr) 1987-10-21
DE3609032A1 (de) 1987-09-24
US4838821A (en) 1989-06-13
CN1010932B (zh) 1990-12-26
AR245056A1 (es) 1993-12-30
BR8602156A (pt) 1987-11-10
DE3772814D1 (de) 1991-10-17

Similar Documents

Publication Publication Date Title
EP0241730B1 (fr) Dispositif de propulsion, notamment pour des bateaux à faible tirant d'eau
DE2757454C3 (de) Wasserstrahlantrieb zum Antrieb und Steuern von insbesondere flachgehenden Wasserfahrzeugen
DE60112889T2 (de) Motoreinheit für schiffe
DE3407843C2 (de) Vorrichtung zum Pumpen einer Pulpe
DE69411862T2 (de) Wasserstrahlantrieb
DE69122884T2 (de) Propeller mit an den flügeln befestigtem mantelring
DE60029940T2 (de) Bootsantrieb
DE2934871A1 (de) Schiffsschraube
CH659851A5 (de) Turbine.
EP3303121B1 (fr) Propulsion par jet d'eau et véhicule aquatique comprenant une propulsion par jet d'eau
WO2010063254A2 (fr) Entraînement marin comportant un gicleur de pompe
EP2217487B1 (fr) Système de propulsion de bateau à hydrojet
DE60216015T2 (de) Aussenbordmotor
DE3009671A1 (de) Wasserstrahl-antriebsvorrichtung zum antrieb von wasserfahrzeugen
DE3442808A1 (de) Schiffsantriebsvorrichtung
DE2008873A1 (de) Steuereinheit für Lastkähne
DE3519599A1 (de) Bootsantrieb
DE2512263A1 (de) Zentrifugalpumpe
DE3722530A1 (de) Turbinentriebwerk
DE69726122T2 (de) Wasserstrahlantriebsvorrichtung für wasserfahrzeuge
DE3735409C2 (de) Wasserstrahlantrieb
DE3022903C2 (de) Wasserstrahl-Antriebsvorrichtung zum Antrieb und Steuern von insbesondere flachgehenden Wasserfahrzeugen
DE60029767T2 (de) Antriebsanordnung
DE3426328C2 (de) Schneidkopfschaufelrad
DE2625818A1 (de) Intensivsauglaufrad

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT NL

17P Request for examination filed

Effective date: 19880421

17Q First examination report despatched

Effective date: 19890807

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT NL

ET Fr: translation filed
ITF It: translation for a ep patent filed
REF Corresponds to:

Ref document number: 3772814

Country of ref document: DE

Date of ref document: 19911017

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

NLT1 Nl: modifications of names registered in virtue of documents presented to the patent office pursuant to art. 16 a, paragraph 1

Owner name: SCHOTTEL GMBH & CO KG.

REG Reference to a national code

Ref country code: FR

Ref legal event code: CD

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060306

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20060315

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060327

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060331

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060531

Year of fee payment: 20

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20070315

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20070316

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

NLV7 Nl: ceased due to reaching the maximum lifetime of a patent

Effective date: 20070316