GB489114A - Improvements in or relating to silencers for flowing gases - Google Patents

Improvements in or relating to silencers for flowing gases

Info

Publication number
GB489114A
GB489114A GB197837A GB197837A GB489114A GB 489114 A GB489114 A GB 489114A GB 197837 A GB197837 A GB 197837A GB 197837 A GB197837 A GB 197837A GB 489114 A GB489114 A GB 489114A
Authority
GB
United Kingdom
Prior art keywords
rings
silencers
relating
flowing gases
neelands
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.)
Expired
Application number
GB197837A
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.)
FRANCOIS CEMENTATION CO Ltd
KURT KLOPSTOCK
Original Assignee
FRANCOIS CEMENTATION CO Ltd
KURT KLOPSTOCK
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 FRANCOIS CEMENTATION CO Ltd, KURT KLOPSTOCK filed Critical FRANCOIS CEMENTATION CO Ltd
Priority to GB197837A priority Critical patent/GB489114A/en
Publication of GB489114A publication Critical patent/GB489114A/en
Expired 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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
    • 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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • 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
    • F01N1/023—Helmholtz resonators
    • 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
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

489,114. Silencing gaseous currents. FRANCOIS CEMENTATION CO., Ltd., NEELANDS, A. R., and KLOPSTOCK, K. Jan. 22, 1937, No. 1978. [Class 7 (ii)] A silencer for gases comprises a chamber A lined with a number of rings, discs, or helical coils G of copper wire fabric, spread apart by smaller rings H. A plug J allows removal of the rings &c. Specifications 464,947, 466,712, and 471,431 are referred to.
GB197837A 1937-01-22 1937-01-22 Improvements in or relating to silencers for flowing gases Expired GB489114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB197837A GB489114A (en) 1937-01-22 1937-01-22 Improvements in or relating to silencers for flowing gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB197837A GB489114A (en) 1937-01-22 1937-01-22 Improvements in or relating to silencers for flowing gases

Publications (1)

Publication Number Publication Date
GB489114A true GB489114A (en) 1938-07-20

Family

ID=9731412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB197837A Expired GB489114A (en) 1937-01-22 1937-01-22 Improvements in or relating to silencers for flowing gases

Country Status (1)

Country Link
GB (1) GB489114A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442773A (en) * 1944-05-05 1948-06-08 Bell Telephone Labor Inc Sound suppressor
EP1255071A1 (en) * 2001-05-04 2002-11-06 Mecaplast Sam Device for attenuating sound in a circuit for gaseous fluid
EP2063130A1 (en) * 2007-11-20 2009-05-27 Siemens Aktiengesellschaft Noise attenuation device for a centrifugal compressor discharge or suction nozzle
WO2013152793A1 (en) * 2012-04-12 2013-10-17 Siemens Aktiengesellschaft Reflection silencer
WO2017134125A1 (en) * 2016-02-05 2017-08-10 Universite De Bourgogne Low thickness perforated mille-feuille acoustic resonator for absorbing or radiating very low acoustic frequencies

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442773A (en) * 1944-05-05 1948-06-08 Bell Telephone Labor Inc Sound suppressor
EP1255071A1 (en) * 2001-05-04 2002-11-06 Mecaplast Sam Device for attenuating sound in a circuit for gaseous fluid
FR2824383A1 (en) * 2001-05-04 2002-11-08 Mecaplast Sa DEVICE FOR ATTENUATING THE SOUND LEVEL OF A GASEOUS FLUID CIRCUIT
EP2063130A1 (en) * 2007-11-20 2009-05-27 Siemens Aktiengesellschaft Noise attenuation device for a centrifugal compressor discharge or suction nozzle
WO2009065904A1 (en) * 2007-11-20 2009-05-28 Siemens Aktiengesellschaft Noise attenuation device for a centrifugal compressor discharge or suction nozzle
WO2013152793A1 (en) * 2012-04-12 2013-10-17 Siemens Aktiengesellschaft Reflection silencer
WO2017134125A1 (en) * 2016-02-05 2017-08-10 Universite De Bourgogne Low thickness perforated mille-feuille acoustic resonator for absorbing or radiating very low acoustic frequencies
CN108885863A (en) * 2016-02-05 2018-11-23 勃艮第大学 For absorbing or radiating the small thickness perforation multilayer fabric acoustic resonator of low-down frequency of sound wave

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