EP1266131B1 - Abgasanlage für wasserfahrzeuge - Google Patents

Abgasanlage für wasserfahrzeuge Download PDF

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Publication number
EP1266131B1
EP1266131B1 EP01905746A EP01905746A EP1266131B1 EP 1266131 B1 EP1266131 B1 EP 1266131B1 EP 01905746 A EP01905746 A EP 01905746A EP 01905746 A EP01905746 A EP 01905746A EP 1266131 B1 EP1266131 B1 EP 1266131B1
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
cooling water
exhaust
gas system
outlet
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
EP01905746A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1266131A1 (de
Inventor
Hans Kurt Hellmann
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.)
Fr Luerssen Werft GmbH and Co
Original Assignee
Fr Luerssen Werft GmbH and Co
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 Fr Luerssen Werft GmbH and Co filed Critical Fr Luerssen Werft GmbH and Co
Publication of EP1266131A1 publication Critical patent/EP1266131A1/de
Application granted granted Critical
Publication of EP1266131B1 publication Critical patent/EP1266131B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/004—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 specially adapted for marine propulsion, i.e. for receiving simultaneously engine exhaust gases and engine cooling water
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/085—Other arrangements or adaptations of exhaust conduits having means preventing foreign matter from entering exhaust conduit
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications

Definitions

  • Exhaust systems for small and medium-sized vessels included in the Usually in the flow direction of the exhaust gas behind the or each engine one or several compensators for damping vibrations, silencers and a Exhaust pipe leading to an outlet opening in the side wall of the watercraft leads.
  • This outlet opening is typically only slightly above the waterline to keep the exhaust gases from your deck and the To keep decks of adjacent watercraft as far away as possible.
  • sea water is usually directly in the exhaust pipe is injected, which then swirls with the exhaust gas flow and together with this is transported out of the exhaust pipe.
  • GB 28 392 shows an exhaust system according to the preamble of claim 1.
  • the invention is therefore based on the object of an exhaust system for watercraft to propose largely in the case of seawater-related corrosion damage be avoided.
  • an exhaust system for watercraft with an exhaust pipe leading from an engine system to an exhaust outlet solved, in the area located in front of the exhaust gas outlet a flowable Means for energy dissipation of those hitting the exhaust pipe through the exhaust outlet Sea water and in the area of the means for energy reduction or in Exhaust gas flow direction is provided in front of at least one sump and in the a drainage pipe into the vehicle surroundings from the deepest point of the swamp leads; whereby the sump is higher than the exhaust gas outlet is arranged; and the means to deplete energy at least one manifold and the sump through a portion of the exhaust pipe is formed between a sloping section and an adjoining rising section of the exhaust pipe is arranged.
  • the manifold is preferably formed by two 180 ° bends run in the same direction on a screw line and thus save space be relocated. It is then advantageous that the one closest to the exhaust outlet first curve in the direction of view against the exhaust gas flow a first rising branch and has a second sloping branch, and the adjoining branch second arch forms the swamp and begins with a first falling branch and ends with a second rising branch.
  • the inlet point for cooling sea water into the exhaust gas downstream of first bow is particularly advantageous if the outlet side End piece of the exhaust pipe at least partially from a cooling water jacket is surrounded.
  • An exhaust pipe section 1 according to the exemplary embodiment according to FIG. 1 has The following elements are primarily facing the flow direction 35 of the exhaust gas on: a flange 16 followed by a straight pipe section 14, one behind it lying first sheet 10, an adjoining second sheet 20, a straight section 28, an associated U-bend 30 and behind it one long straight section 34, which ends with another flange 36.
  • the first arch has an ascending branch 11 and a descending branch 1 2.
  • the second arch 20 has a sloping branch 21 and one subsequent rising branch 22 and the third arch a rising branch 31 and a sloping branch 32.
  • the downstream flange 16 serves to connect the one shown in FIG. 4 End piece of the exhaust pipe, the flange 36 connects the exhaust pipe section 1 with the engine or any damping or filter element in front of it.
  • the second arch In addition to reducing energy, the second arch also functions as a sump.
  • the water collecting in the area of the second arch 20 is drained through a drain opening 24 at the deepest point of the arch and a descending one Drainage pipe 25 or a corresponding hose to one deeper region of the vertical pipe section 14 is returned.
  • the Drainage pipe 25 has a smaller cross section than the exhaust pipe, so seawater hitting the exhaust pipe at most in smaller quantities the drainage pipe 25 can reach the area of the second bend 20.
  • the sheets 10, 20 and 30 each have in the illustrated embodiment an angle of curvature of 180 °, whereby the subsequent straight pipe sections run parallel.
  • it is advantageous to lay the exhaust pipe so that the straight pipe sections 14, 28 run vertically to seawater as possible withhold effectively.
  • the lengths of the straight pipe sections 14, 28 and Transition between the arch 10 and the arch 20 can be the space and the arrangement of the engine or the exhaust gas outlet varies accordingly become.
  • the embodiment of the exhaust pipe section 1 'shown in FIGS. 2 and 3 differs from the exemplary embodiment according to FIG. 1 essentially by two successive 180 ° arches 10 ', 20' which are curved in the same direction run on a helix.
  • the exhaust pipe section 1 'contains this design again upstream - the direction of flow is again marked by arrow 35 - located behind the vertical pipe section 14 ' Bow 10 ', in the illustration of FIG. 2 to the rear from the plane of the drawing is bent out.
  • the arc 10 'thus describes in this embodiment half a left-hand spiral track.
  • the arch directly adjacent to it 20 ' lies completely in the plane lying behind the plane of the drawing and is in that plane curved in the same direction as the arch 10 '.
  • the subsequent rising Pipe section 28 ' extends vertically upwards and opens into the another arch 30 ', which is now back in the starting level further ahead back and at the same time curved in the opposite direction to the arches 10 ', 20' is.
  • the subsequent vertically sloping pipe section 34 ' runs again in the same plane as the pipe section 14 ', as shown in FIG. 3 it can be seen that the two pipe sections are shown one behind the other.
  • the first bend is in the exhaust gas flow direction facing one or more arches, the one in reverse orientation begins with a first falling branch and with a second rising branch ends.
  • they can be the means to reduce energy forming arches and describing a helical spiral path also arranged essentially horizontally and thereupon a swamp be connected.
  • the means for energy reduction can also, for example Shape of a bend angled downwards by 90 ° with a minimal radius of curvature have.
  • a pipe section provided with a greatly enlarged cross-section that the flow of the striking Sea water interrupts or at least slows down and at the same time a lower part forming a swamp with a drainage pipe having.
  • the end piece 3 of the exhaust pipe shown by way of example in FIGS. 4 and 5 closes downstream directly on the straight section 14 or 14 'of the Exhaust pipe section 1, 1 'according to one of the aforementioned embodiments and has a flange 40 on the input side.
  • the flange 40 is with the Flange 16 or 16 'connected.
  • the end piece 3 also has a Flange 40 adjoining knee 42 and an adjoining straight one Section 43 on. The latter is up to the exhaust gas outlet 44 from a cooling water jacket 45 surrounded.
  • the inner wall 48 of the cooling water jacket 45 is covered by the The outer wall of the straight section 43 is formed, the outer wall 49 of the cooling water jacket 45 is a tube section concentrically surrounding the inner wall 48 and two annular walls 46 and 47 close the cooling water jacket 45 on the front.
  • the cooling water jacket 45 also includes a cooling water inlet connection 52 with a flange 53 located thereon and a flange in FIG. 5 recognizable cooling water outlet. This is through a lower bore 54 and formed by upper bores 56 lying on a pitch circle segment, which the penetrate annular wall 47 and the exhaust outlet 44 partially radially outside surround.
  • At the downstream end of the cooling water jacket is an off two spaced washers 57 and 58 existing flange.
  • Size and arrangement of the individual holes 54, 56 for the cooling water are in the embodiment chosen so that the major part of the outflowing Cooling water passes through the upper holes 56 and that through the outlet 44 exiting exhaust gas envelops in a semicircle on its top. Exhaust gas and Cooling water only swirl after the exhaust gas cooling according to the invention outside the exhaust system.
  • Fig. 4 and Fig. 6 it can be seen that the flange 40 relative to the central axis 39 of the end section is inclined. If the flange 40 is on a horizontal Flange 16, 16 'according to the exemplary embodiments from FIG. 1 or 2 assembled, this results in a slope of the end section towards the exhaust gas outlet 44. This ensures that after switching off the engine and thus also after Switching off the sea water cooling the rest in the cooling water jacket 45 water through the lower, thus at the lowest point of the cooling water jacket 45 located bore 54 of the annular wall 47 can flow away.
  • the total cross section of the holes 54 and 56 is dimensioned so that the cooling water jacket 45 at a predetermined flow rate of the cooling water circuit always completely flowing through Cooling water is filled.
  • the annular wall 47 can also be open, for example be provided with holes 56 over their entire circumference.
  • FIG. 6 shows an example of the arrangement of a complete exhaust system within a boat hull 60 shown.
  • An engine 66 has an exhaust outlet 67, to which in the flow direction 35 of the exhaust gas a compensator 68, a silencer 70, another compensator 69 and a right-angled upward leading knee 72 connects.
  • the exhaust pipe section 1 ' In the direction of flow behind it is the exhaust pipe section 1 '(according to the embodiment of FIGS. 2 and 3) with the Flange 36 'flanged.
  • the end piece 3 On the one further down in the direction of flow Flange 16 'of the exhaust pipe section 1' is the end piece 3 according to the exemplary embodiment 4 and 5 flanged. This is by means of the flange forming discs 57, 58 connected to the side wall 62.
  • the means of energy dissipation, the sump as well as the exhaust pipe and sea water cooling upstream of the sump is preferably made of alloy steel Grade 1.4571 or 1.3964 manufactured.
  • the upstream beyond the swamp part of the exhaust pipe can be made of simple carbon steel exist because no sea water can penetrate into this area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Gas Separation By Absorption (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Physical Water Treatments (AREA)
EP01905746A 2000-03-10 2001-02-08 Abgasanlage für wasserfahrzeuge Expired - Lifetime EP1266131B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10011806 2000-03-10
DE10011806A DE10011806A1 (de) 2000-03-10 2000-03-10 Abgasanlage für Wasserfahrzeuge
PCT/EP2001/001345 WO2001069053A1 (de) 2000-03-10 2001-02-08 Abgasanlage für wasserfahrzeuge

Publications (2)

Publication Number Publication Date
EP1266131A1 EP1266131A1 (de) 2002-12-18
EP1266131B1 true EP1266131B1 (de) 2004-10-20

Family

ID=7634290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01905746A Expired - Lifetime EP1266131B1 (de) 2000-03-10 2001-02-08 Abgasanlage für wasserfahrzeuge

Country Status (17)

Country Link
US (1) US6802750B2 (xx)
EP (1) EP1266131B1 (xx)
JP (1) JP2003527525A (xx)
KR (1) KR100470526B1 (xx)
AT (1) ATE280318T1 (xx)
AU (2) AU3374401A (xx)
BG (1) BG64516B1 (xx)
BR (1) BR0109152A (xx)
DE (2) DE10011806A1 (xx)
EE (1) EE04635B1 (xx)
ES (1) ES2227126T3 (xx)
NO (1) NO20024292L (xx)
NZ (1) NZ521219A (xx)
PL (1) PL201669B1 (xx)
PT (1) PT1266131E (xx)
TR (1) TR200202146T2 (xx)
WO (1) WO2001069053A1 (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60315059T2 (de) * 2002-08-09 2008-04-17 Jsr Corp. Prüfverbinder mit anisotroper leitfähigkeit
US7803026B2 (en) * 2007-03-29 2010-09-28 Pleasurecraft Marine Engine Co. Marine engine exhaust system
FR2916250B1 (fr) * 2007-05-14 2010-08-27 Renault Sas Raccord d'un turbocompresseur avec un catalyseur d'oxydation d'une ligne d'echappement d'un moteur a combustion interne
US7628663B2 (en) * 2007-08-14 2009-12-08 Pleasurecraft Marine Engine Co. Marine engine exhaust system with cooling arrangement
FI125786B (fi) * 2009-01-14 2016-02-15 Meyer Turku Oy Vesialuksen pakoputkijärjestely
KR101665320B1 (ko) * 2010-06-24 2016-10-13 대우조선해양 주식회사 휘발성 유기화합물 저감 장치
KR200479379Y1 (ko) 2014-08-20 2016-01-22 대우조선해양 주식회사 스크러버용 배기 파이프
KR101716030B1 (ko) * 2015-05-22 2017-03-13 대우조선해양 주식회사 선박의 해수역류방지를 위한 배기 파이프 구조물 및 그 형성방법
JP6652685B2 (ja) * 2018-04-09 2020-02-26 ワルトシラ フィンランド オサケユキチュア 水リードスルーモジュールおよび船舶の船体に水リードスルーモジュールを配置する方法
GB2574680B (en) 2018-07-12 2020-08-19 Cox Powertrain Ltd An exhaust system
CN110332037A (zh) * 2019-06-27 2019-10-15 中船黄埔文冲船舶有限公司 一种船舷排气系统及船
CN112722228B (zh) * 2021-02-24 2022-10-21 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） 一种船舶水下排烟管结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191128392A (en) * 1911-12-16 1912-09-12 Gordon Oldfield Houghton Improvements in or relating to Silencers for Internal Combustion Engines suitable for Marine and the like purposes.
CH142333A (de) * 1929-06-14 1930-09-15 Sulzer Ag Motorschiff, insbesondere Flugzeugmutterschiff.
DE3743798A1 (de) * 1987-12-23 1989-07-13 Marinetechnik Gmbh Ueberwasserfahrzeug, insbesondere fuer militaerische zwecke
DE4403405C2 (de) * 1994-02-04 2003-09-18 Nordseewerke Gmbh Abgasanlage von mindestens einer Verbrennungskraftmaschine eines Seeschiffs
SE505577C2 (sv) * 1995-12-22 1997-09-15 Volvo Penta Ab Sjövatten- och avgassystem i en motorinstallation i en båt
US6412595B1 (en) * 2000-07-26 2002-07-02 Brunswick Corporation Economical exhaust muffler system for a marine propulsion apparatus

Also Published As

Publication number Publication date
WO2001069053A1 (de) 2001-09-20
NO20024292L (no) 2002-11-08
BG107074A (en) 2003-11-28
EE04635B1 (et) 2006-06-15
BG64516B1 (bg) 2005-05-31
BR0109152A (pt) 2003-04-22
US6802750B2 (en) 2004-10-12
KR100470526B1 (ko) 2005-02-22
AU3374401A (en) 2001-09-24
PL365384A1 (en) 2005-01-10
AU2001233744B2 (en) 2005-06-30
DE50104209D1 (de) 2004-11-25
JP2003527525A (ja) 2003-09-16
ES2227126T3 (es) 2005-04-01
NO20024292D0 (no) 2002-09-09
TR200202146T2 (tr) 2002-12-23
PT1266131E (pt) 2005-01-31
US20030143903A1 (en) 2003-07-31
EE200200514A (et) 2004-02-16
EP1266131A1 (de) 2002-12-18
ATE280318T1 (de) 2004-11-15
KR20030007451A (ko) 2003-01-23
NZ521219A (en) 2003-09-26
DE10011806A1 (de) 2001-09-13
PL201669B1 (pl) 2009-04-30

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