JPS5277940A - Exhaust muffler - Google Patents

Exhaust muffler

Info

Publication number
JPS5277940A
JPS5277940A JP50155662A JP15566275A JPS5277940A JP S5277940 A JPS5277940 A JP S5277940A JP 50155662 A JP50155662 A JP 50155662A JP 15566275 A JP15566275 A JP 15566275A JP S5277940 A JPS5277940 A JP S5277940A
Authority
JP
Japan
Prior art keywords
exhaust muffler
exhaust
expansion chambers
stages
isolator
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
JP50155662A
Other languages
Japanese (ja)
Other versions
JPS5534287B2 (en
Inventor
Masaoki Tamura
Hiroshi Ito
Hideo Isobe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50155662A priority Critical patent/JPS5277940A/en
Publication of JPS5277940A publication Critical patent/JPS5277940A/en
Publication of JPS5534287B2 publication Critical patent/JPS5534287B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit Breakers (AREA)

Abstract

PURPOSE: To improve exhaust noise reduction of exhaust muffler suitable for exhaust devices such as isolator, by reducing pressures in at least two stages of near expansion chambers of plural stages of expansion chambers below critical pressure against atmospheric pressure.
COPYRIGHT: (C)1977,JPO&Japio
JP50155662A 1975-12-24 1975-12-24 Exhaust muffler Granted JPS5277940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50155662A JPS5277940A (en) 1975-12-24 1975-12-24 Exhaust muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50155662A JPS5277940A (en) 1975-12-24 1975-12-24 Exhaust muffler

Publications (2)

Publication Number Publication Date
JPS5277940A true JPS5277940A (en) 1977-06-30
JPS5534287B2 JPS5534287B2 (en) 1980-09-05

Family

ID=15610841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50155662A Granted JPS5277940A (en) 1975-12-24 1975-12-24 Exhaust muffler

Country Status (1)

Country Link
JP (1) JPS5277940A (en)

Also Published As

Publication number Publication date
JPS5534287B2 (en) 1980-09-05

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