JPS54109541A - Muffler for motor-cycle - Google Patents

Muffler for motor-cycle

Info

Publication number
JPS54109541A
JPS54109541A JP1732278A JP1732278A JPS54109541A JP S54109541 A JPS54109541 A JP S54109541A JP 1732278 A JP1732278 A JP 1732278A JP 1732278 A JP1732278 A JP 1732278A JP S54109541 A JPS54109541 A JP S54109541A
Authority
JP
Japan
Prior art keywords
muffler
exhaust gas
chamber portion
vortex chamber
vortex
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
JP1732278A
Other languages
Japanese (ja)
Inventor
Osamu Maeda
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP1732278A priority Critical patent/JPS54109541A/en
Publication of JPS54109541A publication Critical patent/JPS54109541A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Silencers (AREA)

Abstract

PURPOSE: To improve silencing effects, by providing exhaust gas with vortex flow by forming a vortex chamber between partition walls at both sides in an outer cylinder of a muffler for an autobicycle.
CONSTITUTION: A muffler 12 connected to an end portion of an exhaust pipe 14 consists of a front expansion chamber portion 18, an expansion compression chamber portion 20 of a center portion and a rear vortex chamber portion 22. The vortex chamber portion 22 is formed by a partition wall 24 at the front side, which is provided with an exhaust gas inlet 30 near the outer circumference, and a partition wall 26 at th rear side, which center portion is equipped with an exhaust gas outlet 32, and a spiral plate 28, onto which circumference a number of small holes 34 are drilled, is disposed to the inside.
COPYRIGHT: (C)1979,JPO&Japio
JP1732278A 1978-02-17 1978-02-17 Muffler for motor-cycle Pending JPS54109541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1732278A JPS54109541A (en) 1978-02-17 1978-02-17 Muffler for motor-cycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1732278A JPS54109541A (en) 1978-02-17 1978-02-17 Muffler for motor-cycle

Publications (1)

Publication Number Publication Date
JPS54109541A true JPS54109541A (en) 1979-08-28

Family

ID=11940788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1732278A Pending JPS54109541A (en) 1978-02-17 1978-02-17 Muffler for motor-cycle

Country Status (1)

Country Link
JP (1) JPS54109541A (en)

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