DE29612322U1 - Low frequency pipe silencer - Google Patents

Low frequency pipe silencer

Info

Publication number
DE29612322U1
DE29612322U1 DE29612322U DE29612322U DE29612322U1 DE 29612322 U1 DE29612322 U1 DE 29612322U1 DE 29612322 U DE29612322 U DE 29612322U DE 29612322 U DE29612322 U DE 29612322U DE 29612322 U1 DE29612322 U1 DE 29612322U1
Authority
DE
Germany
Prior art keywords
low frequency
pipe silencer
frequency pipe
silencer
low
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 - Lifetime
Application number
DE29612322U
Other languages
German (de)
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.)
NIESING STAHLBAU STAHLSCHORNST
Original Assignee
NIESING STAHLBAU STAHLSCHORNST
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 NIESING STAHLBAU STAHLSCHORNST filed Critical NIESING STAHLBAU STAHLSCHORNST
Priority to DE29612322U priority Critical patent/DE29612322U1/en
Publication of DE29612322U1 publication Critical patent/DE29612322U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01N1/02—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
    • F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
    • 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
    • F01N13/009—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 purifying devices arranged in series
    • F01N13/0097—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 purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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)
DE29612322U 1996-02-10 1996-07-16 Low frequency pipe silencer Expired - Lifetime DE29612322U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29612322U DE29612322U1 (en) 1996-02-10 1996-07-16 Low frequency pipe silencer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29602333 1996-02-10
DE29612322U DE29612322U1 (en) 1996-02-10 1996-07-16 Low frequency pipe silencer

Publications (1)

Publication Number Publication Date
DE29612322U1 true DE29612322U1 (en) 1996-10-17

Family

ID=8019291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29612322U Expired - Lifetime DE29612322U1 (en) 1996-02-10 1996-07-16 Low frequency pipe silencer

Country Status (1)

Country Link
DE (1) DE29612322U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102996302A (en) * 2012-08-11 2013-03-27 郭荣 Silencer capable of eliminating both wideband noises and narrowband noises
CN104989494A (en) * 2015-06-16 2015-10-21 华晨汽车集团控股有限公司 Multicavity resonance muffler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102996302A (en) * 2012-08-11 2013-03-27 郭荣 Silencer capable of eliminating both wideband noises and narrowband noises
CN104989494A (en) * 2015-06-16 2015-10-21 华晨汽车集团控股有限公司 Multicavity resonance muffler

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19961128

R156 Lapse of ip right after 3 years

Effective date: 20000503