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Automotive exhaust system structure

A technology of automobile exhaust system and vehicle, which is applied in the field of automobile exhaust system structure, can solve the problems such as the inconvenience of restarting the engine, and achieve the effect of improving drainage performance and performance

Inactive Publication Date: 2003-11-19
SUZUKI MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, it will cause inconvenience when the engine restarts

Method used

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  • Automotive exhaust system structure
  • Automotive exhaust system structure
  • Automotive exhaust system structure

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Embodiment Construction

[0022] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Figure 1-6 The first embodiment of the present invention has been described. exist figure 1 In , reference numeral 2 designates a small vehicle having rigid axle suspension (not shown) therein. In the vehicle 2 , the left and right rear wheels are connected together by the rear axle 6 because the vehicle 2 has a rigid axle suspension. Thus, in a small vehicle 2 having a rigid axle suspension therein, the rear axle 6 and the rear surface of the vehicle 2 are separated from each other by a short distance.

[0023] Accordingly, the vehicle 2 is fitted with a muffler 8 between the front axle (not shown) and the rear axle 6 in order to obtain a clearance.

[0024] Such as Figure 2-5 As shown, the muffler 8 includes a main muffler body 16 , an inlet side pipe 18 and an outlet side pipe 20 . The main muffler body 16 includes an outer wall 10 , a front end w...

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PUM

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Abstract

To collect a large quantity of condensed water within a muffler body by providing the muffler body with an inlet pipe being situated in a specified position and forming a bent part bypassing a rear axle on an outlet pipe. The muffler body of a muffler 8 is arranged in substantially horizontal state. An inlet pipe 18 is arranged in a position higher by a prescribed height H1 than an outlet pipe 20. A bent part 36 is formed in a curved shape protruding upward on the outlet pipe 20 so as to bypass a rear axle 6. Since there is no fear of condensed water, even if collected within the muffler body, flowing back to the inlet pipe 18, a large quantity of condensed water can be collected within the muffler body. Further, the condensed water can be prevented from flowing back to the inlet pipe 18. Since the outlet pipe 20 is easily dipped in the condensed water, draining property can be improved to improve the restartability of an engine.

Description

field of invention [0001] The invention relates to the structure of an automobile exhaust system. In particular it relates to the construction of exhaust systems for motor vehicles with mufflers mounted on vehicles with rigid axle suspension. Background technique [0002] In a vehicle, when the exhaust gases are expelled from the engine directly into the atmosphere, the exhaust gases expand rapidly, thus creating a loud explosion. To reduce this sound, a muffler (sound-reducing device) is installed in the vehicle. The muffler is mounted to the exhaust pipe. The muffler has a front inlet side pipe (front muffler pipe) and a rear outlet side pipe (rear muffler pipe) installed on the main muffler body. The inlet side pipe is connected to the exhaust pipe extending from the engine. [0003] When the muffler is installed on a small vehicle with a rigid axle suspension installed in it, the muffler must be installed between the front and rear axles. This is because the rear ax...

Claims

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Application Information

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IPC IPC(8): B60K13/04F01N1/00F01N1/08F01N13/08
Inventor 北川裕基
Owner SUZUKI MOTOR CORP