JPS5343811A - Sound muffler - Google Patents

Sound muffler

Info

Publication number
JPS5343811A
JPS5343811A JP11809976A JP11809976A JPS5343811A JP S5343811 A JPS5343811 A JP S5343811A JP 11809976 A JP11809976 A JP 11809976A JP 11809976 A JP11809976 A JP 11809976A JP S5343811 A JPS5343811 A JP S5343811A
Authority
JP
Japan
Prior art keywords
box body
noise
sound muffler
intenrnally
muffle
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.)
Pending
Application number
JP11809976A
Other languages
Japanese (ja)
Inventor
Kazuyoshi Ozaki
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 JP11809976A priority Critical patent/JPS5343811A/en
Publication of JPS5343811A publication Critical patent/JPS5343811A/en
Pending legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Frames (AREA)

Abstract

PURPOSE: To muffle a noise simply by covering a constructed body generating a noise and also of a cooling wind passing through with a box body provided an absorbing inlet and an exhausting outlet, and by making with a duct construction of a continuously expanding shape intenrnally lined with a sound absorbing material at outside of a box body.
COPYRIGHT: (C)1978,JPO&Japio
JP11809976A 1976-10-01 1976-10-01 Sound muffler Pending JPS5343811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11809976A JPS5343811A (en) 1976-10-01 1976-10-01 Sound muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11809976A JPS5343811A (en) 1976-10-01 1976-10-01 Sound muffler

Publications (1)

Publication Number Publication Date
JPS5343811A true JPS5343811A (en) 1978-04-20

Family

ID=14727969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11809976A Pending JPS5343811A (en) 1976-10-01 1976-10-01 Sound muffler

Country Status (1)

Country Link
JP (1) JPS5343811A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496405B1 (en) * 1969-09-15 1974-02-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496405B1 (en) * 1969-09-15 1974-02-14

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