JPH0487328U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show an embodiment of the muffler device according to the present invention, FIG. 1 is a cross-sectional view showing the structure near the ejector part, FIG. 2 is a side view showing the state in which it is mounted on a combine harvester, and FIGS. 3 to 5 are FIG. 6 is a partial view showing another example of the exhaust tail pipe, and FIG. 7 is a cross-sectional view showing a comparative example of the ejector portion. 4...Muffler body, 5...Exhaust tail pipe, 7...
Exhaust outlet, 8...Exhaust inlet, 9...Outside air introduction part,
12...Skirt.

Claims (1)

[Scope of utility model registration request] The muffler main body 4 and an exhaust tail pipe 5 that takes over the conveyance of exhaust gas to be discharged from the muffler main body 4 are connected between the exhaust outlet 7 of the muffler main body 4 and the funnel-shaped exhaust inlet 8 of the exhaust tail pipe 5. The muffler device is provided with an outside air introduction part 9 and is connected to the muffler device so that an action of mixing outside air into the exhaust gas can be generated as the exhaust gas flows from the exhaust gas toward the exhaust inlet 8. , the muffler body 4 is provided with a skirt 12 that detours the outside air inflow path to the outside air introduction section 9, and the exhaust inlet 8 is arranged so as to follow the radial diffusion state of the exhaust gas exiting from the exhaust outlet 7. , a muffler device configured in the shape of a bulging funnel, with the inner part wider than the inlet part.