EP2713021B1 - Submersible - Google Patents

Submersible Download PDF

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Publication number
EP2713021B1
EP2713021B1 EP13181539.1A EP13181539A EP2713021B1 EP 2713021 B1 EP2713021 B1 EP 2713021B1 EP 13181539 A EP13181539 A EP 13181539A EP 2713021 B1 EP2713021 B1 EP 2713021B1
Authority
EP
European Patent Office
Prior art keywords
resonator
resonator neck
neck
annular chamber
section
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.)
Active
Application number
EP13181539.1A
Other languages
German (de)
English (en)
Other versions
EP2713021A3 (fr
EP2713021A2 (fr
Inventor
Claas Wilken
Dipl.-Ing. Roland Becker
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.)
ThyssenKrupp Marine Systems GmbH
Original Assignee
ThyssenKrupp Marine Systems GmbH
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 ThyssenKrupp Marine Systems GmbH filed Critical ThyssenKrupp Marine Systems GmbH
Publication of EP2713021A2 publication Critical patent/EP2713021A2/fr
Publication of EP2713021A3 publication Critical patent/EP2713021A3/fr
Application granted granted Critical
Publication of EP2713021B1 publication Critical patent/EP2713021B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/023—Helmholtz resonators
    • 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
    • B63G8/28—Arrangement of offensive or defensive equipment
    • B63G8/34—Camouflage
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • 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
    • B63G8/12—Propulsion using internal-combustion engines

Definitions

  • the invention relates to a submarine.
  • KR 2012 0044629 discloses a muffler for an exhaust pipe of an internal combustion engine in a ship, wherein a resonance frequency is varied in dependence on an exhaust gas temperature.
  • the object of the invention is now to provide a submarine, in which the frequency levels of the firing frequencies generated by arranged in the submarine combustion engines are reduced sufficiently.
  • the submarine according to the invention has at least one internal combustion engine with an exhaust pipe connected thereto.
  • the internal combustion engine may generally be any internal combustion engine used in a submarine.
  • this internal combustion engine is a diesel engine, which is connected upstream of a generator used for charging a battery system.
  • the exhaust pipe is coupled to a Helmholtz resonator.
  • Helmholtz resonators usually have a resonator neck, to which a resonator pot whose inner cross-section is larger than that of the resonator neck is connected.
  • one or more absorption silencers may be arranged in the exhaust pipe.
  • Helmholtz resonators are particularly suitable for reducing the level of a specific frequency.
  • the Helmholtz resonator coupled to the outside of the exhaust pipe is intended to reduce the exhaust noise caused by the ignition frequency of the internal combustion engine.
  • the frequency of this exhaust sound changes depending on the temperature during the startup phase of the engine and in dependence on the power of the internal combustion engine.
  • the resonant frequency of the Helmholtz resonator is controlled as a function of the exhaust gas temperature.
  • the length of the resonator pot, its cross section and the length or the cross section of the resonator neck can be made variable. Constructive designs of Helmholtz resonators that make this possible are well known in the art. In terms of design, the length of the resonator neck can be changed to control the resonance frequency of the Helmholtz resonator.
  • an embodiment is provided according to the invention, in which the resonator neck of the Helmholtz resonator has an adjustable length.
  • the length of the resonator neck is controlled so that it increases with an increase in temperature of the exhaust gas and decreases with a decrease in the exhaust gas temperature.
  • This adjustable length of the resonator neck is achieved in that the resonator neck is designed to be telescopic. Consequently, the resonator neck has at least two intermeshing sections, which are movable relative to one another to a certain extent, whereby the length of the resonator neck changes with a quasi-constant cross section of the resonator neck.
  • other constructive solutions are also conceivable which have an adjustable length of the resonator neck enable.
  • this adjustable length of the resonator neck can also be achieved in a design of the outer wall of the resonator neck, in which two sections of the resonator neck are connected to one another via a threaded connection.
  • a section of the resonator neck is formed by an annular chamber whose volume in the telescoping direction, d. H. is variable in the longitudinal direction of the Resonatorhalses.
  • the annular chamber is expediently delimited in the telescoping direction of the resonator neck by a wall which can be displaced by changing the volume of the annular chamber in a certain range in the telescoping direction of the resonator neck.
  • a second section of the resonator neck may be arranged on this wall, or this wall may be formed by a second section of the resonator neck, which engages in the annular chamber.
  • the resonator neck has a hollow-cylindrical, double-walled section.
  • a gap between an inner wall and an outer wall forms the annular chamber, in which engages an annular piston which forms the second portion of the Resonatorhalses.
  • the annular chamber formed between the inner and outer walls of the double-walled section of the resonator neck can advantageously be used to receive means with which its displaceable wall or the second section of the resonator neck can be moved as a function of the exhaust gas temperature.
  • the annular chamber is filled with a fluid.
  • the aim of this measure is to use a volume expansion of the fluid taking place when the fluid warms up, the volume of the annular chamber and concomitantly increase the length of the Resonatorhalses.
  • the type of fluid filled in the annular chamber is basically arbitrary, with the most suitable fluid typically being selected as a function of the structural design of the Helmholtz resonator and the required length change of the resonator neck.
  • the temperature of the fluid in the annular chamber should change in direct dependence on the exhaust gas temperature.
  • the annular chamber is preferably arranged in heat-conducting connection with the exhaust pipe. Ie. the annular chamber is arranged such that heat flow from the exhaust gas to the fluid in the annular chamber can take place.
  • the annular chamber is a section of the resonator neck directly adjacent to the exhaust gas line, so that the heat of the exhaust gas is transferred directly via the outer wall the exhaust pipe and an inner wall of the annular chamber can be transferred to the fluid in the annular chamber.
  • a bimetallic spring element is provided, which is coupled in motion to a section of the resonator neck in such a manner that this section of the resonator neck is motion-coupled Resonator neck is rotated by a temperature-induced deformation of the bimetallic spring element relative to the other portion of the Resonatorhalses, whereby the length of the Resonatorhalses changes.
  • the movement coupling of the Bimetallfederelements with the corresponding portion of the Resonatorhalses be made directly, the bimetallic spring element thus be connected directly to this portion of the Resonatorhalses, or there may be provided an indirect motion coupling of the Bimetallfederelements with this portion of the Resonatorhalses, wherein between the Bimetallfederelement and the telescopic portion of the Resonatorhalses a mechanism for transmitting motion is arranged.
  • a combustion engine 4 vibration-damped In the in Fig. 1 shown portion of a submarine is mounted on a foundation 2 a combustion engine 4 vibration-damped.
  • the internal combustion engine 4 is a diesel engine.
  • the foundation 2 is vibration-damped mounted on a deck 6 of the submarine.
  • About its drive shaft 8 of the engine 4 is coupled to a generator 10 which is placed on the foundation 2 vibration damped next to the engine 4.
  • the generator 10 serves to charge a battery system, not shown in the drawing of the submarine.
  • an exhaust pipe 12 is connected.
  • the exhaust pipe 12 is in Fig. 1 only partially shown and leads, from Fig. 1 not visible, by a Druck restructuringwandung 14 to the outside of the pressure hull of the submarine.
  • an absorption silencer 16 is arranged in the exhaust pipe 12.
  • the exhaust pipe 12 is coupled to a Helmholtz resonator 18.
  • the Helmholtz resonator 18 is used in particular to reduce the exhaust sound caused by the ignition frequency of the internal combustion engine 4 and at best to completely eliminate it.
  • the Helmholtz resonator 18 a resonator neck 20 which is connected directly to the exhaust pipe 12.
  • end of the resonator 20 joins a resonator 22 of the Helmholtz resonator 18, which is open to the resonator neck 20, but otherwise formed closed.
  • an opening 24 is formed on the exhaust pipe 12 ( Fig. 3 ). Via this opening 24, exhaust gas generated by the internal combustion engine 4 can flow in the substantially tubular resonator neck 20 and from there into the hollow-cylindrical resonator pot 22.
  • a directly adjoining the exhaust pipe 12 section of the resonator 20 is double-walled with an inner tubular wall 24 and a concentrically arranged outer tubular wall 26 designed for this purpose.
  • An intermediate space between the inner wall 24, which adjoins directly outside the opening 24 formed on the exhaust pipe 12, and the outer wall 26 forms an annular chamber 30.
  • This annular chamber 30 is closed at one end by the outside of the exhaust pipe 12. The other, remote from the exhaust pipe 12 end of the annular chamber 30 is open.
  • annular piston 32 In this open end of the annular chamber 30 engages an annular piston 32, which is disposed on a resonator neck 20 facing the end of the Resonatortopfes 22 and there surrounds an opening 34 which forms a flow connection from the Resonatorhals 20 to the Resonatordopf 22.
  • the piston 32 is movably guided in the annular chamber 30 with little play in the longitudinal direction of the resonator neck and forms a second section of the resonator neck 20.
  • a tubular projection 36 Surrounding the opening 34, a tubular projection 36 is formed on the end face of the resonator pot 22 facing the resonator neck 20 , radial play in the resonator 20 engages.
  • a space bounded by the outside of the exhaust pipe 12 and the end of the piston 32 is completely filled with a fluid. If, for example, an increase in the exhaust gas temperature occurs during the startup of the internal combustion engine 4, this also leads to an increase in the temperature of the fluid in the annular chamber 30. This in turn causes a thermal expansion of the fluid in the annular chamber 30, whereby the piston 32 engaging in the annular chamber 30 is pushed away from the fluid in the direction of the exhaust pipe 12, so that the length of the Resonatorhalses 20 increases, so the Resonatorhals 20 is telescoped.
  • resonator neck 20 ' is a piece of pipe 38 welded to the outside of the exhaust pipe 12 with this.
  • the pipe section 38 which forms a first stationary section of the resonator neck 20 ', in this case encloses the opening 24 formed on the exhaust pipe 12.
  • the sleeve 40 is rotatable about a central axis A of the resonator neck 20 '.
  • a projection 42 is formed which projects radially into the interior of the sleeve 40. This projection 42 engages in a on the outer circumference of the pipe section 38 formed groove 44 which extends around the entire circumference of the pipe section 38. This prevents the sleeve 40 from being able to move in the direction of the central axis A of the resonator neck 20.
  • the sleeve 40 Starting from a side facing away from the exhaust pipe 12 end of the sleeve 40, the sleeve 40 has an internal thread 46.
  • the internal thread 46 terminates at an undercut 48 formed on the inner periphery of the sleeve 40 adjacent to the projection 42.
  • a pipe section 50 is screwed on the internal thread 46 of the sleeve 40.
  • the pipe section 50 has an external thread 52.
  • the tube piece 50 forms a second section of the resonator neck 20 ', on which a resonator pot 22 is arranged, wherein an opening 34 forms a flow connection from the resonator neck 20' to the resonator pot 22.
  • a longitudinal groove 54 aligned parallel to the central axis A of the resonator neck 20 'is formed on the inside of the pipe section 50, starting from an end of the pipe section 50 facing the exhaust pipe 12, a longitudinal groove 54 aligned parallel to the central axis A of the resonator neck 20 'is formed. In this longitudinal groove 54 engages a key 56, which is fixed in a formed on the outer circumferential surface of the pipe section 38 recess 58. As a result, the pipe section 50 is secured against rotation about the center axis A of the resonator neck 20 '.
  • a lever 60 is disposed in a region adjacent to the exhaust pipe 12, which extends radially outwardly. How out Fig. 5 becomes clear, is connected to the lever 60 a fixed to the outside of the exhaust pipe 12 bimetallic spring element 62.
  • the bimetal spring member 62 is formed as a coil spring.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Characterised By The Charging Evacuation (AREA)

Claims (5)

  1. Sous-marin comportant au moins un moteur à combustion interne (4) et un conduit d'échappement (12) relié à celui-ci, dans lequel le conduit d'échappement (12) est couplé à un résonateur de Helmholtz (18) comportant un col de résonateur (20) qui est télescopique en longueur, dans lequel une partie du col de résonateur (20) est formée par une chambre annulaire (30) dont le volume est modifiable dans la direction télescopique du col de résonateur (20), caractérisé en ce que la chambre annulaire (30) est remplie d'un fluide dont le volume se dilate lors du chauffage afin de commander la fréquence de résonance du résonateur de Helmholtz (18) suivant la longueur du col (20) en fonction de la température du gaz d'échappement.
  2. Sous-marin selon la revendication 1, caractérisé en ce que le col de résonateur (20) présente une partie cylindrique creuse à double paroi, dans lequel un espace intermédiaire entre une paroi intérieure (26) et une paroi extérieure (28) forme la chambre annulaire (30) dans laquelle s'engage un piston annulaire (32) formant une seconde partie du col de résonateur (20).
  3. Sous-marin selon l'une des revendications 1 ou 2, caractérisé en ce que la chambre annulaire (30) est disposée en liaison thermiquement conductrice avec le conduit d'échappement (12).
  4. Sous-marin selon l'une des revendications 1 à 3, caractérisé en ce que la chambre annulaire (30) est une partie du col de résonateur (20) qui est directement adjacente au conduit d'échappement.
  5. Sous-marin comportant au moins un moteur à combustion interne (4) et un conduit d'échappement (12) relié à celui-ci, dans lequel le conduit d'échappement (12) est couplé à un résonateur de Helmholtz (18) comportant un col de résonateur réglable en longueur (20), caractérisé en ce qu'il est prévu un élément de ressort bimétallique (62) couplé en mouvement à une partie télescopique du col de résonateur (20) et disposé en liaison thermiquement conductrice avec le conduit d'échappement (12), pour commander la fréquence de résonance du résonateur de Helmholtz (18) suivant la longueur du col de résonateur (20) en fonction de la température du gaz d'échappement.
EP13181539.1A 2012-10-01 2013-08-23 Submersible Active EP2713021B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012217931.3A DE102012217931A1 (de) 2012-10-01 2012-10-01 Unterseeboot

Publications (3)

Publication Number Publication Date
EP2713021A2 EP2713021A2 (fr) 2014-04-02
EP2713021A3 EP2713021A3 (fr) 2016-09-14
EP2713021B1 true EP2713021B1 (fr) 2019-07-10

Family

ID=49028982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13181539.1A Active EP2713021B1 (fr) 2012-10-01 2013-08-23 Submersible

Country Status (5)

Country Link
EP (1) EP2713021B1 (fr)
KR (1) KR101530270B1 (fr)
AU (1) AU2013234433B2 (fr)
DE (1) DE102012217931A1 (fr)
ES (1) ES2742331T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014221326A1 (de) * 2014-10-21 2016-04-21 Thyssenkrupp Marine Systems Gmbh Unterseeboot
DE102014016448A1 (de) 2014-11-06 2016-05-12 Man Diesel & Turbo Se Abgasnachbehandlungsvorrichtung und Verfahren zur Abgasnachbehandlung
EP3182008A1 (fr) * 2015-12-18 2017-06-21 Ansaldo Energia IP UK Limited Amortisseur de helmholtz destiné à une turbine à gaz et une telle turbine avec ledit amortisseur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305333C1 (de) * 1993-02-20 1994-07-07 Fasag Ag Suhr Geräuschdämpfungsvorrichtung zur Reduktion von Mündungsgeräuschen bei Anlagen mit pulsierenden Gasströmungen
US5561276A (en) * 1995-10-30 1996-10-01 The United States Of America As Represented By The Secretary Of The Navy Two-phase-flow muffler in a rotating shaft
JP3322547B2 (ja) * 1995-12-25 2002-09-09 三菱重工業株式会社 開口部騒音抑制装置
KR100482798B1 (ko) * 2001-11-19 2005-04-14 기아자동차주식회사 차량용 공명기 제어장치
WO2008012501A1 (fr) * 2006-07-24 2008-01-31 Halyard (M & I) Limited Silencieux, vaisseau marin et procédé d'atténuation du bruit d'un système d'échappement marin
KR20120044629A (ko) * 2010-10-28 2012-05-08 삼성중공업 주식회사 온도보상이 가능한 공명형 소음저감장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
KR101530270B1 (ko) 2015-06-22
KR20140043276A (ko) 2014-04-09
EP2713021A3 (fr) 2016-09-14
ES2742331T3 (es) 2020-02-13
AU2013234433A1 (en) 2014-04-17
EP2713021A2 (fr) 2014-04-02
AU2013234433B2 (en) 2017-09-28
DE102012217931A1 (de) 2014-04-03

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