JPH0430214U

JPH0430214U -

Info

Publication number: JPH0430214U
Application number: JP7179790U
Authority: JP
Priority date: 1990-07-05
Filing date: 1990-07-05
Publication date: 1992-03-11

Description

[Brief explanation of the drawing]

第１〜３図は本考案の一実施例としての内燃機
関の膨脹室型マフラーを示すもので、第１図はそ
の側断面図、第２図および第３図は性能試験の結
果を示したグラフであり、第４図は従来の内燃機
関の膨脹室型マフラーの側断面図である。１……第１室、２……第２室、３……第３室、
４……第４室、５，６，７……セパレータ、６ａ
……円錐状の突起、８，９……端板、１０……本
体、１１……排気導入管、１２……排気流出管、
１３……連通管。 Figures 1 to 3 show an expansion chamber type muffler for an internal combustion engine as an embodiment of the present invention, with Figure 1 being a side sectional view, and Figures 2 and 3 showing the results of performance tests. FIG. 4 is a side sectional view of a conventional expansion chamber type muffler for an internal combustion engine. 1... 1st room, 2... 2nd room, 3... 3rd room,
4... Fourth chamber, 5, 6, 7... Separator, 6a
... Conical projection, 8, 9 ... End plate, 10 ... Main body, 11 ... Exhaust inlet pipe, 12 ... Exhaust outlet pipe,
13...Communication pipe.

Claims

[Scope of utility model registration request]

An expansion chamber type muffler includes a main body formed in a substantially cylindrical shape, a plurality of expansion chambers partitioned by a plurality of separators within the main body, and an end connected to one of the plurality of expansion chambers. an exhaust inlet pipe with an open end; and an exhaust outlet pipe connected to an expansion chamber with an open end of the exhaust inlet pipe via another expansion chamber, the expansion chamber with an open end of the exhaust inlet pipe with an open end; An expansion chamber type muffler for an internal combustion engine, characterized in that a conical protrusion capable of diffusing exhaust gas introduced from the exhaust gas introduction pipe is formed on a separator forming a chamber.