BR8907128A - Sistema de atenuacao de som,constrito,em linha - Google Patents

Sistema de atenuacao de som,constrito,em linha

Info

Publication number
BR8907128A
BR8907128A BR898907128A BR8907128A BR8907128A BR 8907128 A BR8907128 A BR 8907128A BR 898907128 A BR898907128 A BR 898907128A BR 8907128 A BR8907128 A BR 8907128A BR 8907128 A BR8907128 A BR 8907128A
Authority
BR
Brazil
Prior art keywords
online
constructed
sound attenuation
attenuation system
sound
Prior art date
Application number
BR898907128A
Other languages
English (en)
Inventor
James C Rothman
Charles O Reinhart
Donald R Monson
Original Assignee
Donaldson Co Inc
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 Donaldson Co Inc filed Critical Donaldson Co Inc
Publication of BR8907128A publication Critical patent/BR8907128A/pt

Links

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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • 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
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/10—Tubes having non-circular cross section
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/16—Chambers with particular shapes, e.g. spherical

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
BR898907128A 1988-10-21 1989-10-20 Sistema de atenuacao de som,constrito,em linha BR8907128A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/260,818 US5123501A (en) 1988-10-21 1988-10-21 In-line constricted sound-attenuating system
PCT/US1989/004733 WO1990004706A1 (en) 1988-10-21 1989-10-20 In-line constricted sound-attenuating system

Publications (1)

Publication Number Publication Date
BR8907128A true BR8907128A (pt) 1991-02-13

Family

ID=22990741

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898907128A BR8907128A (pt) 1988-10-21 1989-10-20 Sistema de atenuacao de som,constrito,em linha

Country Status (7)

Country Link
US (1) US5123501A (pt)
EP (1) EP0439510B1 (pt)
JP (1) JP2749680B2 (pt)
BR (1) BR8907128A (pt)
CA (1) CA2001193A1 (pt)
DE (1) DE68920044T2 (pt)
WO (1) WO1990004706A1 (pt)

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US6082487A (en) * 1998-02-13 2000-07-04 Donaldson Company, Inc. Mufflers for use with engine retarders; and methods
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DE19923736C1 (de) * 1999-05-22 2001-04-19 Daimler Chrysler Ag Abgasführung für in Kraftfahrzeugen, insbesondere Personenkraftwagen, als Antriebsquelle eingesetzte Brennkraftmaschinen
US6564901B2 (en) 2000-03-09 2003-05-20 Woodrow E. Woods Muffler for marine engine
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DE102006018404B4 (de) * 2006-04-20 2020-11-26 Airbus Operations Gmbh Lärmoptimierter Luftverteiler
CN101053754A (zh) * 2007-01-12 2007-10-17 张裕光 微排放式废气处理装置
US20080233856A1 (en) * 2007-03-22 2008-09-25 Toyoda Gosei Co., Ltd. Air conditioner duct
JP2010538204A (ja) * 2007-08-31 2010-12-09 テネコ オートモティブ オペレーティング カンパニー インコーポレイテッド 冷却機能を備える車両用排気レゾネーター
DE102009034410B4 (de) * 2009-07-23 2015-01-08 Airbus Operations Gmbh Eisabscheider für eine Luftleitung
US8181671B2 (en) * 2009-09-15 2012-05-22 Butler Boyd L Anti-resonant pulse diffuser
US8083026B1 (en) 2010-06-07 2011-12-27 Butler Boyd L Diffuser muffler
US9121319B2 (en) 2012-10-16 2015-09-01 Universal Acoustic & Emission Technologies Low pressure drop, high efficiency spark or particulate arresting devices and methods of use
CA2838008A1 (en) * 2012-12-20 2014-06-20 Bombardier Recreational Products Inc. Vehicle having an auxiliary exhaust pipe
US10023317B2 (en) * 2015-06-23 2018-07-17 The Boeing Company Flight deck takeoff duct and trim air mix muff
KR20210090501A (ko) * 2020-01-10 2021-07-20 한화에어로스페이스 주식회사 배기 덕트 및 이를 이용하는 배기 덕트 어셈블리와 비행체

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Also Published As

Publication number Publication date
DE68920044D1 (de) 1995-01-26
WO1990004706A1 (en) 1990-05-03
JPH04501293A (ja) 1992-03-05
US5123501A (en) 1992-06-23
EP0439510B1 (en) 1994-12-14
EP0439510A1 (en) 1991-08-07
JP2749680B2 (ja) 1998-05-13
CA2001193A1 (en) 1990-04-21
DE68920044T2 (de) 1995-04-27

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 20/10/2004