NO324209B1 - Lyddempningsanordning - Google Patents

Lyddempningsanordning Download PDF

Info

Publication number
NO324209B1
NO324209B1 NO19944445A NO944445A NO324209B1 NO 324209 B1 NO324209 B1 NO 324209B1 NO 19944445 A NO19944445 A NO 19944445A NO 944445 A NO944445 A NO 944445A NO 324209 B1 NO324209 B1 NO 324209B1
Authority
NO
Norway
Prior art keywords
gas
vessel
propeller
water
bubbles
Prior art date
Application number
NO19944445A
Other languages
English (en)
Norwegian (no)
Other versions
NO944445L (no
NO944445D0 (no
Inventor
Pekka Salmi
Jonas Packalen
Antti Jarvi
Original Assignee
Kvaerner Masa Yards Oy
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 Kvaerner Masa Yards Oy filed Critical Kvaerner Masa Yards Oy
Publication of NO944445D0 publication Critical patent/NO944445D0/no
Publication of NO944445L publication Critical patent/NO944445L/no
Publication of NO324209B1 publication Critical patent/NO324209B1/no

Links

Classifications

    • 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
    • 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
    • B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
    • B63G13/02—Camouflage
    • 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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/20—Reflecting arrangements
    • G10K11/205—Reflecting arrangements for underwater use

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Lubricants (AREA)
  • Pipe Accessories (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NO19944445A 1993-11-22 1994-11-21 Lyddempningsanordning NO324209B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI935186A FI97351C (fi) 1993-11-22 1993-11-22 Äänenvaimennusjärjestelmä

Publications (3)

Publication Number Publication Date
NO944445D0 NO944445D0 (no) 1994-11-21
NO944445L NO944445L (no) 1995-05-23
NO324209B1 true NO324209B1 (no) 2007-09-10

Family

ID=8538995

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19944445A NO324209B1 (no) 1993-11-22 1994-11-21 Lyddempningsanordning

Country Status (7)

Country Link
US (1) US5513149A (fr)
EP (1) EP0654780A1 (fr)
JP (1) JPH07257484A (fr)
KR (1) KR950013908A (fr)
FI (1) FI97351C (fr)
NO (1) NO324209B1 (fr)
RU (1) RU2131825C1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040240318A1 (en) * 2003-05-16 2004-12-02 Exxonmobil Upstream Research Company Method for improved bubble curtains for seismic multiple suppression
US6744694B1 (en) * 2003-10-06 2004-06-01 The United States Of America As Represented By The Secretary Of The Navy Gaseous cavity for forward-looking sonar quieting
US7126875B2 (en) * 2003-10-20 2006-10-24 State Of California, Department Of Transportation Underwater energy dampening device
US7020044B1 (en) * 2004-10-08 2006-03-28 The United States Of America As Represented By The Secretary Of The Navy Apparatus for producing gaseous vapor baffle
US8085617B2 (en) * 2008-10-31 2011-12-27 Sercel Inc. System and method for reducing the effects of ghosts from the air-water interface in marine seismic exploration
US20120132309A1 (en) 2010-11-30 2012-05-31 Morris David D Woven textile fabric and innerduct having multiple-inserted filling yarns
US8800459B2 (en) * 2011-08-12 2014-08-12 Zuei-Ling Lin Rudder resistance reducing method
FR2985745A1 (fr) 2012-01-17 2013-07-19 Jean Marc Beynet Dispositif destine a attenuer a la naissance le batillage d'une structure flottante du type bateau ou convoi fluvial, grace a un systeme de brise-lames pneumatique embarque a bord
US10254498B2 (en) 2015-11-24 2019-04-09 Milliken & Company Partial float weave fabric
CN111355192B (zh) 2018-12-20 2022-03-15 美利肯公司 多空腔内导管结构体
CN213279010U (zh) 2018-12-20 2021-05-25 美利肯公司 柔性内导管结构体以及包含所述柔性内导管结构体的导管
US11913593B2 (en) 2021-12-07 2024-02-27 Milliken & Company Blowable flexible innerduct

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1348828A (en) * 1919-02-01 1920-08-03 Submarine Signal Co Method and apparatus for sound insulation
US3084651A (en) * 1950-05-23 1963-04-09 Parmenter Richard Silencer for ships
US4135469A (en) * 1973-01-19 1979-01-23 Oy Wartsila Ab Method for reducing propeller noise
DE2644844B1 (de) * 1976-10-05 1977-12-29 Jastram-Werke Gmbh Kg, 2050 Hamburg Verfahren und einrichtung zum einfuehren von gas und wasser in den propellerbereich eines strahlruders
US4625302A (en) * 1983-10-24 1986-11-25 Exxon Production Research Co. Acoustic lens for marine seismic data multiple reflection noise reduction
JPS61220997A (ja) * 1985-03-26 1986-10-01 Mitsui Eng & Shipbuild Co Ltd 水中減音装置
FI74920C (fi) * 1985-10-25 1989-04-10 Rauma Repola Oy Foerfarande och system foer att minska rotationsmotstaondet i propeller.
US4979917A (en) * 1986-10-31 1990-12-25 Haynes Hendrick W Marine propulsion device with gaseous boundry layer for a thrust jet flow stream exhibiting stealth and ice lubrication properties
FR2682515B1 (fr) * 1987-02-25 1995-04-28 Onera Procede pour reduire le bruit d'un navire, et navire equipe de dispositifs correspondants.
FI82653C (fi) * 1987-04-24 1991-04-10 Antti Kalevi Henrik Jaervi Foerfarande och anordningar foer avlaegsnande av is fraon raenna.

Also Published As

Publication number Publication date
RU2131825C1 (ru) 1999-06-20
RU94040900A (ru) 1996-09-27
FI935186A0 (fi) 1993-11-22
NO944445L (no) 1995-05-23
US5513149A (en) 1996-04-30
FI97351C (fi) 1996-12-10
JPH07257484A (ja) 1995-10-09
FI935186A (fi) 1995-05-23
NO944445D0 (no) 1994-11-21
KR950013908A (ko) 1995-06-15
FI97351B (fi) 1996-08-30
EP0654780A1 (fr) 1995-05-24

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