EP1566333B1 - Unterwasserauspuffeinrichtung - Google Patents

Unterwasserauspuffeinrichtung Download PDF

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Publication number
EP1566333B1
EP1566333B1 EP05300083A EP05300083A EP1566333B1 EP 1566333 B1 EP1566333 B1 EP 1566333B1 EP 05300083 A EP05300083 A EP 05300083A EP 05300083 A EP05300083 A EP 05300083A EP 1566333 B1 EP1566333 B1 EP 1566333B1
Authority
EP
European Patent Office
Prior art keywords
exhaust
ship
hull
deflector
box
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.)
Not-in-force
Application number
EP05300083A
Other languages
English (en)
French (fr)
Other versions
EP1566333A1 (de
Inventor
Florent Longer
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.)
Chantiers de lAtlantique SA
Original Assignee
Aker Yards SA
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 Aker Yards SA filed Critical Aker Yards SA
Publication of EP1566333A1 publication Critical patent/EP1566333A1/de
Application granted granted Critical
Publication of EP1566333B1 publication Critical patent/EP1566333B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B63H21/32—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels

Definitions

  • the present invention relates to ships and more particularly the exhaust of said vessels.
  • the air exhaust has the disadvantage of being noisy, generating unpleasant odors and creating plumes of smoke that are not aesthetic and are easily spotted.
  • Submarine exhausts operate only at high speed (generally at speeds greater than 9 knots), are placed close to the waterline and have an external part called the outer baffle or "spoon" to avoid the entering the water into the exhaust and protecting the engines from the back pressure exerted by the water.
  • This system although easy to perform, is very sensitive to ship and swell movements, as there is a risk of introducing water into the engines.
  • the position close to the waterline causes a risk of blockage by the ice and a deterioration of the outer pipe by floating objects or just the edge of the dock. Odors are not completely suppressed due to the low dispersion of gases in the water.
  • the movement of the ship and the swell can clear the exhaust of the water so the smoke is directly in the air.
  • the object of the present invention is to provide a hull of a ship equipped with a submarine escape device that is both simple, operating at low speed and releasing little smoke in the air near the ship.
  • the submarine escape device which equips the hull of the ship according to the invention, consists of an exhaust box connected to the gas evacuation network via an exhaust duct, said box being arranged at the level of an exhaust outlet located on this hull, it is equipped with a deflector located tangentially to said hull.
  • the tangential baffle gives a smooth profile to the hull of the ship which allows to go into submarine mode at low speeds and avoids the risk of collision with floating objects.
  • Such a system is extremely complex because it implements a movable member actuated cylinder.
  • the fin protrudes from the hull of the ship, and may collide with floating objects.
  • the deflector has the shape of an inverted spoon.
  • the substantially rounded shape of the outside of the spoon accelerates the flow of the interior of the exhaust and promotes the evacuation of water, while the hollow form of the inside of the spoon takes off. the water nets from the hull and creates a ventilation zone at the back of the profile.
  • the profile ensures a sufficient vacuum zone inside the exhaust duct for the evacuation of gases.
  • the deflector has a horizontal width equivalent to 2/3 of the horizontal width of the exhaust outlet. This size is optimum to facilitate the evacuation of gases without causing water entry into the exhaust box.
  • the exhaust duct is horizontal.
  • the escapement is placed below the waterline.
  • the very deep position of the exhaust outlet makes it possible to reduce external noise and atmospheric emissions, and to eliminate both the risk of passage in the open air in case of movements of the ship or swell and the risk of being caught in the ice.
  • the exhaust is located more than 50cm from the waterline.
  • the exhaust duct is at an angle of 30 to 40 ° with respect to the hull of the ship. This horizontal inclination of the exhaust duct relative to the deflector allows an optimization of the flows.
  • the ship 1 has an escapement 2 disposed below the level of the water line 3 at a distance from said surface (cf. figure 1 ).
  • the exhaust 2 comprises an exhaust pipe 4 and connected to the exhaust network 8 of the gases and a box 5 disposed inside at the exhaust outlet 7 and not extending beyond the hull 10 of the vessel 1 (cf. figure 2 ).
  • the duct 4 and the box 5 make an angle ⁇ with the shell 10.
  • the angle ⁇ is measured from the front portion 10a of the shell 10 and is between 30 and 40 °.
  • the box 5 is partially closed by a deflector 6 fixed on the side of the box 5 at the front portion 10a.
  • the deflector 6 is oriented towards the front of the ship 1 so that during the displacement of the vessel 1 the entry of the water is minimal.
  • the deflector 6 has the shape of a spoon whose hollow portion 60 is in the extension of the portion 10a of the hull 10 and directed towards the outside of the ship 1.
  • the curved portion 61 is placed inside the hull 10.
  • the two faces 60 and 61 of the deflector 6 converge towards the rear of the ship 1 so that the front face 62 of the deflector 6 is wider than the rear portion 63.
  • F is the direction of displacement of the water with respect to the hull 10
  • the box 5 is filled with water, the exhaust network 8 gases being then in aerial mode.
  • the deflector 6 promotes the evacuation of the water from the exhaust box 5 by its portion 61.
  • the profile 60 takes off the water nets of the hull in the exhaust zone and creates a ventilation zone behind the deflector 6.
  • the exhaust network 2 goes into submarine mode by opening or not a valve (not shown) disposed further upstream and the gases exit through the conduit 4 and the box 5 where the vacuum is sufficient to receive the exhaust.
  • the profile 61 directs the gases towards the rear of the ship 1 and the part 60 deflects the water streams so that the two streams are almost tangent when they come into contact with each other, which also favors flow and limit drag.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Treating Waste Gases (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Incineration Of Waste (AREA)

Claims (7)

  1. Schiffsrumpf, der mit einer Unterwasserauspuffvorrichtung (2) ausgestattet ist, die durch ein Auspuffgehäuse (5) gebildet wird, das mit dem Gasevakuierungsleitungsnetz (8) über eine Auspuffleitung (4) verbunden ist, wobei das Gehäuse (5) in Höhe eines Auspuffausgangs (7) angeordnet ist, der sich auf dem Rumpf (10) befindet, dadurch gekennzeichnet, dass das Auspuffgehäuse (5) mit einer Leitplatte (6) ausgestattet ist, die tangential zu dem Rumpf (10) liegt.
  2. Schiffsrumpf nach Anspruch 1, dadurch gekennzeichnet, dass die Leitplatte (6) die Form eines umgedrehten Löffels hat.
  3. Schiffsrumpf nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Leitplatte (6) eine horizontale Breite gleich zwei Dritteln der horizontalen Breite des Auspuffausgangs (7) aufweist.
  4. Schiffsrumpf nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Auspuffleitung (4) horizontal ist.
  5. Schiffsrumpf nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Auspuffausgang (7) unter der Wasserlinie (3) angeordnet ist.
  6. Schiffsrumpf nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass der Auspuffausgang (7) mehr als 50 cm von der Wasserlinie (3) entfernt angeordnet ist.
  7. Schiffsrumpf nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Auspuff (2) einen Winkel von 30 bis 40° bezüglich des Rumpfs (10) des Schiffs (1) aufweist.
EP05300083A 2004-02-19 2005-02-02 Unterwasserauspuffeinrichtung Not-in-force EP1566333B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450305A FR2866625B1 (fr) 2004-02-19 2004-02-19 Dispositif d'echappement sous marin
FR0450305 2004-02-19

Publications (2)

Publication Number Publication Date
EP1566333A1 EP1566333A1 (de) 2005-08-24
EP1566333B1 true EP1566333B1 (de) 2008-07-09

Family

ID=34708048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05300083A Not-in-force EP1566333B1 (de) 2004-02-19 2005-02-02 Unterwasserauspuffeinrichtung

Country Status (7)

Country Link
EP (1) EP1566333B1 (de)
AT (1) ATE400496T1 (de)
AU (1) AU2005200630B2 (de)
DE (1) DE602005007946D1 (de)
DK (1) DK1566333T3 (de)
ES (1) ES2309689T3 (de)
FR (1) FR2866625B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007020869B3 (de) * 2007-05-04 2008-04-30 Blohm + Voss Gmbh Vorrichtung für Schiffe mit Öffnungen zum Ableiten von Medien
CN105438428B (zh) * 2015-01-16 2018-06-22 刘广 通气管圈

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556314A (en) * 1994-03-08 1996-09-17 Sanshin Kogyo Kabushuki Kaisha Exhaust system for watercraft
US5591058A (en) * 1995-08-18 1997-01-07 Schriever; Frederick G. Exhaust accessory for boats
DE19753926C1 (de) * 1997-12-05 1999-05-12 Peter Mueller Trimmklappe

Also Published As

Publication number Publication date
DE602005007946D1 (de) 2008-08-21
AU2005200630A1 (en) 2005-09-08
FR2866625B1 (fr) 2006-04-28
FR2866625A1 (fr) 2005-08-26
DK1566333T3 (da) 2008-11-17
AU2005200630B2 (en) 2010-07-08
ES2309689T3 (es) 2008-12-16
EP1566333A1 (de) 2005-08-24
ATE400496T1 (de) 2008-07-15

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