JPS6182015U

JPS6182015U -

Info

Publication number: JPS6182015U
Application number: JP16777684U
Authority: JP
Priority date: 1984-11-05
Filing date: 1984-11-05
Publication date: 1986-05-30

Description

[Brief explanation of drawings]

第１図はこの考案に係る消音器の一実施例を示
すその断面図、第２図はこの考案の他の実施例を
示すその断面図、第３図および第４図は従来の消
音器をそれぞれ示す各概略断面図である。３１…外筒、３６…第１室、３７…第２室、３
８…第３室、３９…排気入口管、４０…連通管、
４０Ａ…開口部、４１…小孔、４２…排気出口管
、４４…電磁制御弁。 Fig. 1 is a sectional view showing one embodiment of a silencer according to this invention, Fig. 2 is a sectional view showing another embodiment of this invention, and Figs. 3 and 4 are sectional views of a conventional silencer. They are each schematic sectional drawing shown. 31... Outer cylinder, 36... First chamber, 37... Second chamber, 3
8...Third chamber, 39...Exhaust inlet pipe, 40...Communication pipe,
40A...opening, 41...small hole, 42...exhaust outlet pipe, 44...electromagnetic control valve.

Claims

[Scope of utility model registration request]

an outer cylinder having at least a first chamber, a second chamber and a third chamber defined therein; an exhaust inlet pipe passing through the first chamber and opening into the second chamber; and an exhaust inlet pipe penetrating the second chamber and opening into the second chamber; An exhaust outlet pipe that opens into the chamber and has many small holes that communicate with the third chamber; one end opens into the first chamber, the other end opens into the third chamber, and has many small holes that communicate with the second chamber. A silencer having a communicating pipe formed therein is characterized in that the other end of the communicating pipe is closed when the engine speed is lower than a predetermined value, and opened when the engine speed is higher than a predetermined value. Silencer.