SE421342B - Ljuddempare for luft- eller gasstromningar - Google Patents

Ljuddempare for luft- eller gasstromningar

Info

Publication number
SE421342B
SE421342B SE7700497A SE7700497A SE421342B SE 421342 B SE421342 B SE 421342B SE 7700497 A SE7700497 A SE 7700497A SE 7700497 A SE7700497 A SE 7700497A SE 421342 B SE421342 B SE 421342B
Authority
SE
Sweden
Prior art keywords
muffler
air
gas flows
flows
gas
Prior art date
Application number
SE7700497A
Other languages
English (en)
Swedish (sv)
Other versions
SE7700497L (sv
Inventor
M Purhonen
Original Assignee
Temet 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 Temet Oy filed Critical Temet Oy
Publication of SE7700497L publication Critical patent/SE7700497L/
Publication of SE421342B publication Critical patent/SE421342B/xx

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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0336—Noise absorbers by means of sound-absorbing materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Silencers (AREA)
  • Duct Arrangements (AREA)
SE7700497A 1976-01-21 1977-01-18 Ljuddempare for luft- eller gasstromningar SE421342B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI760137A FI56584C (fi) 1976-01-21 1976-01-21 Ljuddaempare foer luft- eller gasstoemningar

Publications (2)

Publication Number Publication Date
SE7700497L SE7700497L (sv) 1977-07-22
SE421342B true SE421342B (sv) 1981-12-14

Family

ID=8509700

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7700497A SE421342B (sv) 1976-01-21 1977-01-18 Ljuddempare for luft- eller gasstromningar

Country Status (5)

Country Link
US (1) US4109754A (enExample)
DE (1) DE2701830C2 (enExample)
FI (1) FI56584C (enExample)
GB (1) GB1520701A (enExample)
SE (1) SE421342B (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785909A (en) * 1984-04-14 1988-11-22 Young Robert E Noise silencing systems
IT1195193B (it) * 1986-10-07 1988-10-12 Cor Tubi Spa Silenziatore dissipativo di tipo perfezionato
US5000079A (en) * 1990-05-17 1991-03-19 Mardis Michael C Noise-attenuating ventilation pedestal for an electronic enclosure
GR1001474B (el) * 1992-11-20 1994-02-28 Georgios Alexandrou Σωλήνες/σωληνώσεις επιταχυντήρες ενδοσωληνικής ροής ρευστών.
ES2156653B1 (es) * 1997-05-09 2002-02-16 Navarro Antonio Gomez Dispositivo para insonorizacion y ventilacion de locales.
RU2137214C1 (ru) * 1997-06-09 1999-09-10 Строительно-монтажное управление N 158 Открытого акционерного общества "Трансинжстрой" Шумопоглощающая система
US20040226562A1 (en) * 2002-12-06 2004-11-18 Bordewick Steven S. Blower assembly for CPAP
BRPI0510741B1 (pt) * 2004-05-07 2016-03-15 Silenceair Internat Pty Ltd dispositivo de ventilação e estrutura modular
US7367424B2 (en) * 2005-02-14 2008-05-06 Honeywell International, Inc. Eccentric exhaust muffler for use with auxiliary power units
US7905322B2 (en) * 2006-08-10 2011-03-15 Woodrow Woods Marine muffler with angularly disposed internal baffle
US7581620B2 (en) * 2006-08-10 2009-09-01 Woodrow Woods Marine muffler with angularly disposed internal baffle
FI122523B (fi) 2008-04-30 2012-03-15 Metso Paper Inc Matalien taajuksien äänenvaimennin, menetelmä matalien taajuuksien äänenvaimentimen valmistamiseksi ja järjestelmä matalien taajuuksien vaimentamiseksi esimerkiksi paperitehtaiden ilmastointikanavissa
RU2389883C1 (ru) * 2009-01-15 2010-05-20 Олег Савельевич Кочетов Комбинированный глушитель шума
RU2389881C1 (ru) * 2009-01-15 2010-05-20 Олег Савельевич Кочетов Трубчатый глушитель шума к канальным вентиляторам
JP4853557B2 (ja) 2009-08-21 2012-01-11 トヨタ自動車株式会社 放射音低減構造
US8256569B1 (en) * 2010-10-04 2012-09-04 Huff Dennis L Exhaust sound attenuation device and method of use
RU2494266C2 (ru) * 2011-09-19 2013-09-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тольяттинский государственный университет" Шумоглушитель (варианты)
JP2015194335A (ja) * 2014-03-26 2015-11-05 株式会社荏原製作所 消音チャンバ
USD791301S1 (en) * 2014-11-27 2017-07-04 Ubbink B.V. Wall duct
USD791300S1 (en) * 2014-11-27 2017-07-04 Ubbink B.V. Wall duct
RU2627485C2 (ru) * 2015-08-26 2017-08-08 Олег Савельевич Кочетов Комбинированный глушитель шума
RU2626283C1 (ru) * 2016-03-29 2017-07-25 Олег Савельевич Кочетов Глушитель шума кочетова комбинированный
RU2626279C1 (ru) * 2016-03-29 2017-07-25 Олег Савельевич Кочетов Трубчатый комбинированный глушитель шума
DE102020100162B4 (de) * 2020-01-07 2023-01-12 Umfotec Gmbh Vorrichtung zur Absenkung von Luft- und Körperschall
WO2023026788A1 (ja) * 2021-08-27 2023-03-02 富士フイルム株式会社 通風型消音器
JPWO2023062965A1 (enExample) * 2021-10-11 2023-04-20
CN118076828A (zh) * 2021-10-11 2024-05-24 富士胶片株式会社 通气系统
US12597408B2 (en) * 2022-09-23 2026-04-07 Toyota Motor Engineering & Manufacturing North America, Inc. Sound absorbing devices for panels with openings
FR3163437A1 (fr) * 2024-06-12 2025-12-19 Sil&Add Sas Capot insonorisant, agencement insonorisant le comprenant, et menuiserie correspondante

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1692352U (de) * 1954-11-18 1955-02-03 Maschf Augsburg Nuernberg Ag Schalldaempfer, insbesondere ansaug-schalldaempfer.
US2994401A (en) * 1958-05-26 1961-08-01 American Mach & Foundry Acoustic panel
DE1199514B (de) * 1962-05-12 1965-08-26 Guenther Gerber Schalldaempfer
US3955643A (en) * 1974-07-03 1976-05-11 Brunswick Corporation Free flow sound attenuating device and method of making

Also Published As

Publication number Publication date
FI56584C (fi) 1980-02-11
DE2701830A1 (de) 1977-07-28
SE7700497L (sv) 1977-07-22
US4109754A (en) 1978-08-29
GB1520701A (en) 1978-08-09
FI760137A7 (enExample) 1977-07-22
DE2701830C2 (de) 1986-10-09
FI56584B (fi) 1979-10-31

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