GB202203493D0 - Noise attenuator - Google Patents

Noise attenuator

Info

Publication number
GB202203493D0
GB202203493D0 GBGB2203493.8A GB202203493A GB202203493D0 GB 202203493 D0 GB202203493 D0 GB 202203493D0 GB 202203493 A GB202203493 A GB 202203493A GB 202203493 D0 GB202203493 D0 GB 202203493D0
Authority
GB
United Kingdom
Prior art keywords
noise attenuator
attenuator
noise
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.)
Pending
Application number
GBGB2203493.8A
Other versions
GB2616608A (en
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.)
Dyson Technology Ltd
Original Assignee
Dyson Technology Ltd
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 Dyson Technology Ltd filed Critical Dyson Technology Ltd
Priority to GB2203493.8A priority Critical patent/GB2616608A/en
Publication of GB202203493D0 publication Critical patent/GB202203493D0/en
Priority to PCT/GB2023/050486 priority patent/WO2023175300A1/en
Publication of GB2616608A publication Critical patent/GB2616608A/en
Pending legal-status Critical Current

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
    • F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Suction Cleaners (AREA)
  • Exhaust Silencers (AREA)
GB2203493.8A 2022-03-14 2022-03-14 Noise attenuator Pending GB2616608A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2203493.8A GB2616608A (en) 2022-03-14 2022-03-14 Noise attenuator
PCT/GB2023/050486 WO2023175300A1 (en) 2022-03-14 2023-03-02 Noise attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2203493.8A GB2616608A (en) 2022-03-14 2022-03-14 Noise attenuator

Publications (2)

Publication Number Publication Date
GB202203493D0 true GB202203493D0 (en) 2022-04-27
GB2616608A GB2616608A (en) 2023-09-20

Family

ID=81254883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2203493.8A Pending GB2616608A (en) 2022-03-14 2022-03-14 Noise attenuator

Country Status (2)

Country Link
GB (1) GB2616608A (en)
WO (1) WO2023175300A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296832A (en) * 1979-11-14 1981-10-27 Nelson Industries, Inc. Exhaust muffler
DE10102040A1 (en) * 2001-01-18 2002-07-25 Mahle Filtersysteme Gmbh Silencer, for a motor exhaust or turbo charger air intake, has a hollow body at the component to be suppressed containing a number of parallel Helmholtz resonators
US20050150718A1 (en) * 2004-01-09 2005-07-14 Knight Jessie A. Resonator with retention ribs
US20130291500A1 (en) * 2012-05-03 2013-11-07 GM Global Technology Operations LLC Air cleaner with integrated resonator
CN203585530U (en) * 2012-09-28 2014-05-07 费希尔控制国际公司 Modal attenuator
US9376946B1 (en) * 2015-04-02 2016-06-28 Fisher Controls International Llc Modal attenuator

Also Published As

Publication number Publication date
WO2023175300A1 (en) 2023-09-21
GB2616608A (en) 2023-09-20

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