JPS5881939A - 吸音材 - Google Patents

吸音材

Info

Publication number
JPS5881939A
JPS5881939A JP56178573A JP17857381A JPS5881939A JP S5881939 A JPS5881939 A JP S5881939A JP 56178573 A JP56178573 A JP 56178573A JP 17857381 A JP17857381 A JP 17857381A JP S5881939 A JPS5881939 A JP S5881939A
Authority
JP
Japan
Prior art keywords
absorbing material
sound
sound absorbing
thin film
metal
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.)
Granted
Application number
JP56178573A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6221852B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hideharu Tanaka
英晴 田中
Mutsuo Sekiya
関谷　睦男
Hidefusa Uchikawa
英興 内川
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56178573A priority Critical patent/JPS5881939A/ja
Priority to US06/531,894 priority patent/US4523662A/en
Priority to EP82903259A priority patent/EP0092589B1/en
Priority to PCT/JP1982/000429 priority patent/WO1983001653A1/ja
Priority to DE8282903259T priority patent/DE3276912D1/de
Priority to DE8585107685T priority patent/DE3278084D1/de
Priority to EP85107685A priority patent/EP0161692B1/en
Publication of JPS5881939A publication Critical patent/JPS5881939A/ja
Priority to US06/707,326 priority patent/US4607722A/en
Priority to US06/720,926 priority patent/US4607721A/en
Publication of JPS6221852B2 publication Critical patent/JPS6221852B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP56178573A 1981-11-05 1981-11-05 吸音材 Granted JPS5881939A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP56178573A JPS5881939A (ja) 1981-11-05 1981-11-05 吸音材
DE8585107685T DE3278084D1 (en) 1981-11-05 1982-11-05 Sound-absorbing device for use as muffler for exhaust gas from an internal combustion engine
EP82903259A EP0092589B1 (en) 1981-11-05 1982-11-05 Exhaust silencer for internal combustion engine
PCT/JP1982/000429 WO1983001653A1 (en) 1981-11-05 1982-11-05 Exhaust silencer for internal combustion engine
DE8282903259T DE3276912D1 (en) 1981-11-05 1982-11-05 Exhaust silencer for internal combustion engine
US06/531,894 US4523662A (en) 1981-11-05 1982-11-05 Muffler for exhaust gas from an internal combustion engine
EP85107685A EP0161692B1 (en) 1981-11-05 1982-11-05 Sound-absorbing device for use as muffler for exhaust gas from an internal combustion engine
US06/707,326 US4607722A (en) 1981-11-05 1985-03-01 Muffler for exhaust gas from an internal combustion engine
US06/720,926 US4607721A (en) 1981-11-05 1985-04-08 Muffler for exhaust gas from an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56178573A JPS5881939A (ja) 1981-11-05 1981-11-05 吸音材

Publications (2)

Publication Number Publication Date
JPS5881939A true JPS5881939A (ja) 1983-05-17
JPS6221852B2 JPS6221852B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-14

Family

ID=16050834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56178573A Granted JPS5881939A (ja) 1981-11-05 1981-11-05 吸音材

Country Status (1)

Country Link
JP (1) JPS5881939A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938846A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-08-17 1974-04-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938846A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-08-17 1974-04-11

Also Published As

Publication number Publication date
JPS6221852B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-14

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