JPH02124220U

JPH02124220U -

Info

Publication number: JPH02124220U
Application number: JP3388489U
Authority: JP
Priority date: 1989-03-23
Filing date: 1989-03-23
Publication date: 1990-10-12

Description

[Brief explanation of the drawing]

第１図〜第７図は本考案の実施例を示し、第１
図は強制空冷立軸エンジン発電機の縦断面図、第
２図は同エンジン発電機の横断平面図、第３図は
同エンジン発電機のマフラ部分の縦断面図、第４
図はマフラの縦断面図、第５図は第４図のＶ−Ｖ
線断面図、第６図はマフラカバーの外観図、第７
図は消音効果を高める変形例を示すマフラの排気
出口付近の縦断面図、第８図は従来技術を示す第
１図相当図である。１……冷却フアン、２……送風室、３……マフ
ラ、４……マフラカバー、５……通風隙間、６…
…冷却風入口、７……冷却風出口、１０……排気
出口、１３……マフラ入口管、１４……共鳴管、
Ｅ……エンジン、Ｇ……発電機。 1 to 7 show embodiments of the present invention.
Figure 2 is a vertical cross-sectional view of the forced air-cooled vertical shaft engine generator, Figure 2 is a cross-sectional plan view of the engine generator, Figure 3 is a vertical cross-sectional view of the muffler section of the engine generator, and Figure 4 is a vertical cross-sectional view of the muffler section of the engine generator.
The figure is a vertical cross-sectional view of the muffler, and Figure 5 is V-V of Figure 4.
Line sectional view, Figure 6 is an external view of the muffler cover, Figure 7 is
The figure is a vertical cross-sectional view of the vicinity of the exhaust outlet of the muffler showing a modified example for enhancing the silencing effect, and FIG. 8 is a view corresponding to FIG. 1 showing the prior art. 1... Cooling fan, 2... Ventilation chamber, 3... Muffler, 4... Muffler cover, 5... Ventilation gap, 6...
...Cooling air inlet, 7...Cooling air outlet, 10...Exhaust outlet, 13...Muffler inlet pipe, 14...Resonance pipe,
E...engine, G...generator.

Claims

[Scope of Claim for Utility Model Registration] A vertical shaft air-cooled engine E and a generator G are arranged vertically and connected in an interlocking manner, and a suction type cooling fan 1 is arranged concentrically above the engine E and the generator G and connected in an interlocking manner. , in an exhaust system for a forced air-cooled vertical shaft engine generator configured by connecting a muffler 3 to the exhaust port of engine E via a muffler inlet pipe 13, the vertically formed muffler 3 is connected to the lateral outer space of engine E and the generator. G, the muffler 3 is covered with a muffler cover 4 with a ventilation gap 5 provided around it, a cooling air inlet 6 is provided on the upper surface of the muffler cover 4, and a cooling air inlet 6 is provided on the lower part of the outer surface of the muffler cover 4. Leave the cooling air outlet 7 open and connect the cooling air inlet 6 of the muffler cover 4 to the cooling fan 1.
The exhaust outlet 10 of the muffler 3 is opened so as to face outward inside the cooling air outlet 7 of the muffler cover 4, and the muffler inlet pipe 13 is communicated with the lower part of the muffler 3. An exhaust system for a forced air-cooled vertical shaft engine generator.