JPH0437244B2 - - Google Patents

Info

Publication number
JPH0437244B2
JPH0437244B2 JP59097310A JP9731084A JPH0437244B2 JP H0437244 B2 JPH0437244 B2 JP H0437244B2 JP 59097310 A JP59097310 A JP 59097310A JP 9731084 A JP9731084 A JP 9731084A JP H0437244 B2 JPH0437244 B2 JP H0437244B2
Authority
JP
Japan
Prior art keywords
absorbing material
sound
sound absorbing
tube
inner tube
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
JP59097310A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60240816A (ja
Inventor
Masuo Fukuda
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.)
Sankei Giken Kogyo Co Ltd
Original Assignee
Sankei Giken Kogyo Co 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 Sankei Giken Kogyo Co Ltd filed Critical Sankei Giken Kogyo Co Ltd
Priority to JP9731084A priority Critical patent/JPS60240816A/ja
Priority to US06/667,720 priority patent/US4580656A/en
Publication of JPS60240816A publication Critical patent/JPS60240816A/ja
Publication of JPH0437244B2 publication Critical patent/JPH0437244B2/ja
Granted 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 exhaust gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with exhaust 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
    • F01N1/04—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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
JP9731084A 1984-04-06 1984-05-15 消音器 Granted JPS60240816A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9731084A JPS60240816A (ja) 1984-05-15 1984-05-15 消音器
US06/667,720 US4580656A (en) 1984-04-06 1984-11-02 Absorbent retainer for absorbent type muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9731084A JPS60240816A (ja) 1984-05-15 1984-05-15 消音器

Publications (2)

Publication Number Publication Date
JPS60240816A JPS60240816A (ja) 1985-11-29
JPH0437244B2 true JPH0437244B2 (en]) 1992-06-18

Family

ID=14188913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9731084A Granted JPS60240816A (ja) 1984-04-06 1984-05-15 消音器

Country Status (1)

Country Link
JP (1) JPS60240816A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7092810B2 (ja) * 2020-02-12 2022-06-28 フタバ産業株式会社 消音器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444109Y2 (en]) * 1975-07-07 1979-12-19
JPS569049Y2 (en]) * 1976-04-13 1981-02-27
JPS5419470U (en]) * 1977-07-11 1979-02-07

Also Published As

Publication number Publication date
JPS60240816A (ja) 1985-11-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term