WO2014195729A3 - Sound attenuator with irregular array of internal ducts - Google Patents

Sound attenuator with irregular array of internal ducts Download PDF

Info

Publication number
WO2014195729A3
WO2014195729A3 PCT/GB2014/051759 GB2014051759W WO2014195729A3 WO 2014195729 A3 WO2014195729 A3 WO 2014195729A3 GB 2014051759 W GB2014051759 W GB 2014051759W WO 2014195729 A3 WO2014195729 A3 WO 2014195729A3
Authority
WO
WIPO (PCT)
Prior art keywords
ducts
sound attenuator
main axis
irregular array
internal ducts
Prior art date
Application number
PCT/GB2014/051759
Other languages
French (fr)
Other versions
WO2014195729A2 (en
Inventor
Russell Wheeler
Original Assignee
Russell Wheeler
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 Russell Wheeler filed Critical Russell Wheeler
Publication of WO2014195729A2 publication Critical patent/WO2014195729A2/en
Publication of WO2014195729A3 publication Critical patent/WO2014195729A3/en

Links

Classifications

    • 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
    • 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
    • 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
    • F01N13/02—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 having two or more separate silencers in series
    • 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
    • F16L55/027—Throttle passages
    • F16L55/02763—Throttle passages using an element with multiple tubes
    • 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
    • F16L55/0331—Noise absorbers by inserting an elongated element in the pipe
    • 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
    • F24F13/02—Ducting arrangements
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/14—Exhaust treating devices having provisions not otherwise provided for for modifying or adapting flow area or back-pressure
    • 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

Abstract

A sound attenuator (1) comprises a fluid inlet (3)and a fluid outlet (4) disposed along a main axis (10), and a plurality of fluid transmission ducts (6, 7, 12, 13, 14) extending between the fluid inlet (3) and outlet (4). The ducts are surrounded by a sound-absorbing material (9), and they are disposed at respective positions relative to the main axis (10), whereby the separation between at least one pair of adjacent ducts is different to the separation between one or more other pairs of adjacent ducts. In an alternative embodiment, the ducts are disposed symmetrically with respect to the main axis (10).
PCT/GB2014/051759 2013-06-06 2014-06-06 Sound attenuator with irregular array of internal ducts WO2014195729A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1310082.1 2013-06-06
GB1310082.1A GB2514824A (en) 2013-06-06 2013-06-06 Sound attenuator with irregular array of internal ducts

Publications (2)

Publication Number Publication Date
WO2014195729A2 WO2014195729A2 (en) 2014-12-11
WO2014195729A3 true WO2014195729A3 (en) 2015-03-12

Family

ID=48805833

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2014/051759 WO2014195729A2 (en) 2013-06-06 2014-06-06 Sound attenuator with irregular array of internal ducts

Country Status (2)

Country Link
GB (1) GB2514824A (en)
WO (1) WO2014195729A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288301A (en) * 2016-10-10 2017-01-04 广州康美风空调设备有限公司 Acoustic filter integrated casing and preparation method thereof
CN106766083B (en) * 2016-12-06 2019-11-08 青岛海信日立空调系统有限公司 A kind of muffler and the air-conditioning comprising the muffler
CN108331991A (en) * 2018-03-26 2018-07-27 连云港宇泰电力设备有限公司 Combined steam vent silencer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075316A (en) * 1933-11-21 1937-03-30 Carl Theodor Setterberg Silencer for internal combustion engines
US3105570A (en) * 1962-04-17 1963-10-01 Bezemes Nicholas Internal combustion engine exhaust muffler
DE2620169A1 (en) * 1976-05-07 1977-11-10 Gruenzweig Hartmann Glasfaser Sound damper for ventilation pipes - has parallel rigid pipe sections made from mineral fibres with plastic-rubber dispersion forming abrasive resistant coat
US20040055816A1 (en) * 2002-09-18 2004-03-25 Gallagher James E. System, apparatus, and method for filtering ultrasonic noise within a fluid flow system
EP2375029A1 (en) * 2010-04-06 2011-10-12 Peugeot Citroën Automobiles SA Device for insulating a cooling circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012039400A1 (en) * 2010-09-21 2012-03-29 旭化成メディカル株式会社 Blood processing filter and method for producing blood processing filter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075316A (en) * 1933-11-21 1937-03-30 Carl Theodor Setterberg Silencer for internal combustion engines
US3105570A (en) * 1962-04-17 1963-10-01 Bezemes Nicholas Internal combustion engine exhaust muffler
DE2620169A1 (en) * 1976-05-07 1977-11-10 Gruenzweig Hartmann Glasfaser Sound damper for ventilation pipes - has parallel rigid pipe sections made from mineral fibres with plastic-rubber dispersion forming abrasive resistant coat
US20040055816A1 (en) * 2002-09-18 2004-03-25 Gallagher James E. System, apparatus, and method for filtering ultrasonic noise within a fluid flow system
EP2375029A1 (en) * 2010-04-06 2011-10-12 Peugeot Citroën Automobiles SA Device for insulating a cooling circuit

Also Published As

Publication number Publication date
GB201310082D0 (en) 2013-07-17
WO2014195729A2 (en) 2014-12-11
GB2514824A (en) 2014-12-10

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