JPS6441609A - Muffler - Google Patents

Muffler

Info

Publication number
JPS6441609A
JPS6441609A JP19568887A JP19568887A JPS6441609A JP S6441609 A JPS6441609 A JP S6441609A JP 19568887 A JP19568887 A JP 19568887A JP 19568887 A JP19568887 A JP 19568887A JP S6441609 A JPS6441609 A JP S6441609A
Authority
JP
Japan
Prior art keywords
sound
reflection chamber
ellipse
shape
external wall
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
JP19568887A
Other languages
Japanese (ja)
Inventor
Katsuaki Yasui
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 JP19568887A priority Critical patent/JPS6441609A/en
Publication of JPS6441609A publication Critical patent/JPS6441609A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To efficiently damp the sound energy by once contracting a sound flux at the inlet part of a reflection chamber formed in the shape of ellipse, and collecting the sound waves reflected on the internal surface of the reflection chamber in a sound-absorbing board arranged at one sound-focusing position of the ellipse. CONSTITUTION:An expansion chamber 6 and a reflection chamber 7 are respectively connected to an inlet pipe 1 in sequence, these chambers are surrounded by an external wall 4, and a face of the external wall 4 touching the reflection chamber 7 is formed in the shape of ellipse. And, an inlet part 8 of the reflection chamber 7 is arranged at one focusing position of the external wall 4 formed in the shape of ellipse, a cylindrical sound-absorbing board 3 being arranged at the other focusing position of the external wall 4 formed in the shape of ellipse. Thus, because the sound flux is once contracted at the inlet part 8 of the reflection chamber 7, and the sound waves reflected on the internal surface of the reflection chamber 7 are connected in the sound-absorbing board 3, the sound energy can be efficiently damped, and the muffling effect can be also improved.
JP19568887A 1987-08-04 1987-08-04 Muffler Pending JPS6441609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19568887A JPS6441609A (en) 1987-08-04 1987-08-04 Muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19568887A JPS6441609A (en) 1987-08-04 1987-08-04 Muffler

Publications (1)

Publication Number Publication Date
JPS6441609A true JPS6441609A (en) 1989-02-13

Family

ID=16345341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19568887A Pending JPS6441609A (en) 1987-08-04 1987-08-04 Muffler

Country Status (1)

Country Link
JP (1) JPS6441609A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05187336A (en) * 1992-01-10 1993-07-27 Toyota Autom Loom Works Ltd Intake air muffler of engine
JPH08305370A (en) * 1995-05-08 1996-11-22 Ricoh Co Ltd Silencer and noise reflection surface member
JP2007051625A (en) * 2005-08-15 2007-03-01 Biiba Kk Reflector type silencing pipe
US10383346B2 (en) 2003-12-02 2019-08-20 Purina Mills, Llc Gel based livestock feed, method of manufacture and use

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05187336A (en) * 1992-01-10 1993-07-27 Toyota Autom Loom Works Ltd Intake air muffler of engine
JPH08305370A (en) * 1995-05-08 1996-11-22 Ricoh Co Ltd Silencer and noise reflection surface member
US10383346B2 (en) 2003-12-02 2019-08-20 Purina Mills, Llc Gel based livestock feed, method of manufacture and use
US10653167B2 (en) 2003-12-02 2020-05-19 Purina Mills Llc Gel based livestock feed, method of manufacture and use
US11051533B2 (en) 2003-12-02 2021-07-06 Purina Mills, Llc Gel based livestock feed, method of manufacture and use
JP2007051625A (en) * 2005-08-15 2007-03-01 Biiba Kk Reflector type silencing pipe
US7503426B2 (en) * 2005-08-15 2009-03-17 Mk Seiko Co., Ltd. Reflecting plate type silencer pipe

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