EP1401705B1 - Von einem hohlen elektromotor angetriebener gondelwasserstrahlantrieb - Google Patents

Von einem hohlen elektromotor angetriebener gondelwasserstrahlantrieb Download PDF

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Publication number
EP1401705B1
EP1401705B1 EP02740856A EP02740856A EP1401705B1 EP 1401705 B1 EP1401705 B1 EP 1401705B1 EP 02740856 A EP02740856 A EP 02740856A EP 02740856 A EP02740856 A EP 02740856A EP 1401705 B1 EP1401705 B1 EP 1401705B1
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EP
European Patent Office
Prior art keywords
ship
hydrojet
pod
electrical motor
propulsion
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
EP02740856A
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English (en)
French (fr)
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EP1401705A1 (de
Inventor
Jean-Edmond Chaix
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.)
Societe Technique pour lEnergie Atomique Technicatome SA
TechnicAtome SA
Original Assignee
Societe Technique pour lEnergie Atomique Technicatome SA
TechnicAtome SA
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Filing date
Publication date
Application filed by Societe Technique pour lEnergie Atomique Technicatome SA, TechnicAtome SA filed Critical Societe Technique pour lEnergie Atomique Technicatome SA
Publication of EP1401705A1 publication Critical patent/EP1401705A1/de
Application granted granted Critical
Publication of EP1401705B1 publication Critical patent/EP1401705B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • 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
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
    • B63G8/08—Propulsion
    • 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
    • B63H2011/081—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with axial flow, i.e. the axis of rotation being parallel to the flow direction
    • 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
    • B63H2011/084—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with two or more pump stages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H2023/005—Transmitting power from propulsion power plant to propulsive elements using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor
    • 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
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters

Definitions

  • the invention relates to the field of propulsion of ships, submersible and unsinkable, by means of submerged thrusters, outside the shell, for example under or next to the shell of a submersible vessel, such as a boat, or any which side of the hull of a submarine. It relates to more particularly such a propulsion unit by hydrojet, driven by an electric motor.
  • propulsion In the field of ship propulsion, submersible or unsinkable, it is known to use several propulsion techniques using fully submerged propulsion pods. Among these, we quote propulsion by hydraulic jets, commonly called “hydrojet”. Such a technique is illustrated by the French patent application of the same filing this application and published under number 2 766 262. This technique uses the principle of the reaction, the water being sucked up by a water intake placed in front of the nacelle. A high efficiency pump, placed inside the latter, communicates energy to the water to propel it outside under the shape of a jet, through a nozzle, thus creating a thrust that propels the ship. Such a gondola can be oriented in azimuth, the direction of propulsion can be chosen by the rotation of said nacelle.
  • a such a gondola can also be oriented around a horizontal axis to allow the plate to be changed or the depth of a submarine.
  • the object of the invention is to propose a third type of submerged and placed naval thruster in a basket, avoiding the drawbacks associated with these two types of propellants.
  • the motor rotor is placed around the hydraulic screw.
  • the electric motor can be of two types, a first which is of the field type radial, the motor being of large external diameter, the second being of the axial field type, and being likewise inner diameter, but of greater length.
  • Figure 1 shows the propellant according to the invention, equipped with an electric field motor axial, i.e. with a rather elongated shape around axis 1 of the propellant.
  • Inside a nacelle 2 is therefore mounted rotating a shaft 3, by means 4V and 4R hydraulic thrust bearings, mounted respectively in a part before 2V and a part rear 2R of nacelle 2.
  • nacelle 2 Around the latter is fixed a screw hydraulic 7. On leaving the latter, the shape internal of nacelle 2 widens to form a channel rounded O-ring around the rear part 2R of the nacelle 2.
  • the hydraulic circuit of the thruster ends with a nozzle 10 fixed to the nacelle 2.
  • the electric motor is of the type immersed in water and is placed axially around the screw hydraulic 7.
  • the stator 11S is integral with the nacelle 2, while the rotor 11R is fixed around the hydraulic screw 7 and is therefore integrated on the assembly propulsion turn.
  • 11S stator and 11R rotor are jacketed.
  • the motor can be either synchronous or asynchronous.
  • 4V and 4R thrust bearings are of the type hydraulic, more precisely they are supplied with permanently by water in which the nacelle, under pressure.
  • FIG. 2 represents the propellant according to the invention in an embodiment using an engine of the radial type, i.e. the electric field is radial. Consequently, its outside diameter is a little more important than that of the axial motor used in the embodiment described in FIG. 1. On the other hand, its length is shorter.
  • Basket 12 is similar to basket 2 of Figure 1 and the rotating propulsion assembly is almost identical.
  • the screw, the vanes 8 of the pump helical-axial, the rectifiers 9 and the nozzle 10, are identical. It is the same for tree 3 of the rotating propulsion assembly which is also rotatably mounted, by 4V and 4R thrust bearings in respective front 12V and rear 12R parts of the basket 12.
  • the motor therefore includes a shaped rotor 21R discoid fixed around the hydraulic screw 17. It is placed between the two parts 21S of the stator which are fixed relative to the nacelle 12.
  • hydrojet propulsion technique Several advantages are inherent in the hydrojet propulsion technique. Indeed, at equal power, a propeller propeller rotates approximately at 150 rpm, while a hydrojet thruster turns at around 600 revolutions / minute. The size of motors being inversely proportional to speed of rotation, the motor, used in a technique hydrojet, is much more compact than the one used to drive a propeller.
  • hydraulic thrust bearings allows not to use ball bearings. This strengthens impact resistance, especially impact military.
  • the propulsion by hydrojet presents many benefits.
  • the type of pump, the speed, the causes it to be force-fed with a hydraulic screw and the water flow takes place in a confined channel are as many advantages compared to the propeller which turns in open environment and at low frequency. It is the same for the use of hydraulic thrust bearings, in replacement of noisy ball bearings.
  • the propellant according to the invention does not require no ventilation, lubrication or cooling.
  • the reverse thrust is done as on conventional hydrojets with a deflector concave, operated by a jack.
  • the efficiency of a helical-axial pump, used in the propellant according to the invention, associated to a hydraulic screw which feeds the pump inlet helical-axial, is around 75%. So we can consider a 10% increase in yield overall propulsion compared to a propeller Traditional.
  • propulsion by hydrojet and in particular by double hydrojet, can be harmoniously integrated into water lines and into the shapes of the ship's hull. In this case, it therefore finds much less cantilevered than a propellant propeller, detached from the hull of the ship in a nacelle mounted at the end of a mast. Hydraulic drag and tactical vulnerability is found considerably reduced.

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)
  • Jet Pumps And Other Pumps (AREA)
  • Hydraulic Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Catching Or Destruction (AREA)
  • Nozzles (AREA)
  • Hydraulic Motors (AREA)

Claims (6)

  1. Gondel-Schiffsantrieb mittels eines Elektromotors mit:
    einer Gondel (2, 12)
    einem Elektromotor (11R, 11S, 21R, 21S), der in der Gondel angebracht ist,
    einer von dem Rotor des Elektromotors angetriebenen Drehantriebseinheit (16, 17, 8, 9), und
    einem an der Rückseite der Gondel (2, 12) stromab der Drehantriebseinheit befestigtes Ausgangsrohr (10), und
    an der Gondel (2, 12) befestigte Gleichrichter bzw. Umrichter (9),
       dadurch gekennzeichnet, dass
    die Drehantriebseinheit vom Wasserstrahltyp ist und umfasst:
    eine hydraulische Schraube (7, 17), und
    eine schraubenflügel-axiale Pumpe (8), die stromab angebracht und mit der hydraulischen Schraube (7, 17) einstückig ist, und dass
       der Elektromotor hohl ist, d.h. einen Rotor (11R, 21R) sowie einen Stator (11S, 21S) von großem Durchmesser aufweist, die in ihrem zentralen Teil durchbohrt sind, um die Drehantriebseinheit zu umgeben, und damit der Rotor (11R, 11S) um die Drehantriebseinheit herum befestigt ist.
  2. Schiffsantrieb nach Anspruch 1, dadurch gekennzeichnet, dass der Rotor (11R, 11S) um die hydraulische Schraube (7, 17) herum angebracht ist.
  3. Schiffsantrieb nach Anspruch 1, dadurch gekennzeichnet, dass er laterale Öffnungen (6, 16) für den Eintritt des Wassers in die Drehantriebseinheit aufweist.
  4. Schiffsantrieb nach Anspruch 1, dadurch gekennzeichnet, dass die Drehantriebseinheit auf einer Welle (3) angebracht ist, die in der Gondel (12) über hydraulische Axiallager bzw. Drucklager (4V, 4R) drehbar angebracht ist.
  5. Schiffsantrieb nach Anspruch 1, dadurch gekennzeichnet, dass der Elektromotor (11R, 11S) ein axiales Feld aufweist.
  6. Schiffsantrieb nach Anspruch 1, dadurch gekennzeichnet, dass der Elektromotor (21R, 21S) ein radiales Feld aufweist.
EP02740856A 2001-06-06 2002-06-04 Von einem hohlen elektromotor angetriebener gondelwasserstrahlantrieb Expired - Lifetime EP1401705B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0107371 2001-06-06
FR0107371A FR2825679B1 (fr) 2001-06-06 2001-06-06 Propulseur de navire en nacelle par hydrojet et entraine par un moteur electrique creux
PCT/FR2002/001875 WO2002098731A1 (fr) 2001-06-06 2002-06-04 Propulseur de navire en nacelle par hydrojet et entraine par un moteur electrique creux

Publications (2)

Publication Number Publication Date
EP1401705A1 EP1401705A1 (de) 2004-03-31
EP1401705B1 true EP1401705B1 (de) 2004-10-06

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Application Number Title Priority Date Filing Date
EP02740856A Expired - Lifetime EP1401705B1 (de) 2001-06-06 2002-06-04 Von einem hohlen elektromotor angetriebener gondelwasserstrahlantrieb

Country Status (10)

Country Link
US (1) US20040203298A1 (de)
EP (1) EP1401705B1 (de)
JP (1) JP2004533363A (de)
AT (1) ATE278606T1 (de)
BR (1) BR0210065A (de)
CA (1) CA2449123A1 (de)
DE (1) DE60201541D1 (de)
FR (1) FR2825679B1 (de)
NO (1) NO20035445D0 (de)
WO (1) WO2002098731A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830278B (zh) * 2010-05-13 2012-01-11 中国农业大学 串列轴流式喷水推进泵

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1029389C2 (nl) * 2005-06-30 2007-01-04 Marifin Beheer B V Asloze schroef.
ITMI20060633A1 (it) * 2006-03-31 2007-10-01 Flavio Novelli Sistema di trazione elettrica a coclea
CN102486169B (zh) * 2009-12-12 2015-06-03 赵明 船用高效轴流螺杆组合泵
CN102336262A (zh) * 2010-11-02 2012-02-01 唐瑞 航行动力提速螺柱螺旋叶轮推进装置
NL2008948C2 (nl) 2012-06-06 2013-12-09 G A M Manshanden Man B V Scheepsschroef.
US9217435B2 (en) 2012-10-23 2015-12-22 Nidec Motor Corporation Axial flow pump with integrated motor
US10201155B2 (en) * 2013-03-15 2019-02-12 Troller Pro, Inc. Mechanized trolling device
CN103921921B (zh) * 2014-04-07 2017-08-25 深圳市云洲创新科技有限公司 吊舱式全回转泵喷射矢量推进器
EP2949574B1 (de) 2014-05-30 2018-07-11 ABB Schweiz AG Pod-Antriebseinheit eines Schiffs
DE102015000259B4 (de) * 2015-01-16 2016-12-29 Cayago Gmbh Schwimm- und Tauchhilfe
CN105822598B (zh) * 2016-04-29 2019-01-22 合肥中科根云设备管理有限公司 一种运行工况可调式喷水推进泵
KR101825849B1 (ko) * 2016-12-15 2018-02-07 서문식 액슬리스 모터를 활용한 선박 평형수처리 및 추진시스템
KR102590604B1 (ko) * 2018-11-15 2023-10-16 한화오션 주식회사 수중운동체의 추진전동기 및 이를 포함하는 수중운동체

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US1711045A (en) * 1927-05-05 1929-04-30 Davis Fred Well-casing pump
US3143972A (en) * 1963-02-06 1964-08-11 Watt V Smith Axial flow unit
US3939794A (en) * 1969-02-17 1976-02-24 Hull Francis R Marine pump-jet propulsion system
JPH06298181A (ja) * 1993-04-08 1994-10-25 Yamaha Motor Co Ltd 水ジェット推進機
US5490768A (en) * 1993-12-09 1996-02-13 Westinghouse Electric Corporation Water jet propulsor powered by an integral canned electric motor
FR2766262B1 (fr) 1997-07-16 1999-09-17 Soc D Const De Materiel Metall Conteneur dans lequel on peut liberer a un instant choisi des frigories ou des calories
FR2768119B1 (fr) 1997-09-08 1999-11-12 Technicatome Propulseur naval a helice centrale et moteur asynchrone discoide
US6200176B1 (en) * 1998-07-17 2001-03-13 Donald I. Bowers Marine jet drive pump preloader for reducing cavitation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830278B (zh) * 2010-05-13 2012-01-11 中国农业大学 串列轴流式喷水推进泵

Also Published As

Publication number Publication date
BR0210065A (pt) 2004-12-21
DE60201541D1 (de) 2004-11-11
NO20035445D0 (no) 2003-12-05
FR2825679A1 (fr) 2002-12-13
WO2002098731A1 (fr) 2002-12-12
JP2004533363A (ja) 2004-11-04
US20040203298A1 (en) 2004-10-14
CA2449123A1 (fr) 2002-12-12
EP1401705A1 (de) 2004-03-31
FR2825679B1 (fr) 2003-09-19
ATE278606T1 (de) 2004-10-15

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