KR19980053413U - Variable Pipe Double Exhaust Pipe - Google Patents

Abstract

The present invention relates to a double exhaust front pipe of an exhaust system, and in particular, since the exhaust gas discharged from the exhaust manifold at the beginning of the start flows into the catalytic converter through one of the inlet portions of the double exhaust front pipe, the exhaust gas flows in front of the double exhaust pipe. When passing through the pipe, the amount of heat released to the outside is reduced and the catalyst material of the catalytic converter can be quickly heated.

In order to achieve the object of the present invention, a double exhaust front pipe consisting of two inlets into which the exhaust gas flowing out of the exhaust manifold flows and one outlet to discharge the exhaust gas flowing into the inlet to the catalytic converter. In

It is provided with an electronic control valve mounted on the inlet so as to open and close one inlet of the two inlets to be controlled by the ECU (electronic control module device).

Description

Variable Pipe Double Exhaust Pipe

As shown in FIG. 1, the double exhaust front pipe structure of the conventional exhaust device includes two inflow parts 2 and inflow parts 3 into which the exhaust gas is introduced, and exhaust gas introduced into the inflow parts 2 and 3. It consists of one outlet 4 which discharges the gas.

In the conventional double exhaust front pipe configured as described above, as illustrated in FIG. 2, the exhaust gas discharged from the exhaust manifold 1 flows into the inlets 2 and 3 and the catalytic converter through the outlet 4. The catalytic converter (5) and the exhaust manifold (1) were connected so as to flow into (5).

In addition, the exhaust gas introduced into the catalytic converter 5 through the exhaust manifold 1 and the double exhaust pipe is reduced by the catalyst material incorporated in the catalytic converter 5.

At this time, the catalytic converter 5 is smoothly catalyzed after being heated to a predetermined temperature, that is, 200 degrees Celsius or more by the exhaust gas.

However, there is a problem that the harmful components of the exhaust gas are discharged to the outside without being reduced during the initial startup, that is, during the time that the catalyst material is heated by the exhaust gas.

In view of such a problem, the present invention is to heat the catalyst material of the catalytic converter by the exhaust gas to the catalytic temperature in the shortest time.

1 is a structural perspective view of a conventional double exhaust front pipe.

Figure 2 is a perspective view of a conventional double exhaust front pipe installed in the exhaust device.

Figure 3 is a cross-sectional structure of the present invention variable flow double exhaust pipe.

Figure 4 is a perspective view of the present invention devised variable exhaust pipe double exhaust pipe installed in the exhaust device.

*** Detailed description of symbols for important parts of the drawings ***

102, 103: inlet 104: outlet

106: electronic control valve

The structure of the present invention variable flow double exhaust pipe has two inlet portion 102 and the inlet portion 103 and the inlet portion 102, 103 to which the exhaust gas is introduced as shown in FIG. In the double exhaust front pipe composed of one outlet 104 for discharging the exhaust gas,

It is provided with an electronic control valve 106 mounted on the inlet 102 so as to open and close the inlet 102 and controlled by the ECU (electronic control module device).

As shown in FIG. 4, the exhaust gas discharged from the exhaust manifold 101 is introduced into the inlets 102 and 103, and the catalytic converter is configured through the outlet 104. The catalytic converter 105 and the exhaust manifold 101 are connected to each other so as to flow into the 105.

In addition, the exhaust gas introduced into the catalytic converter 105 through the exhaust manifold 101 and the double exhaust pipe is reduced by the catalyst material embedded in the catalytic converter 105.

At this time, the electronic control valve 106 mounted on the inlet 102 is inlet until the temperature of the initial starting, that is, the catalyst material of the catalytic converter 105 is heated to a temperature more than 200 degrees Celsius to facilitate the catalytic action under the control of the ECU By blocking the part 102, the exhaust gas flowing out of the delivery manifold 101 flows into the inlet 103 only and flows into the catalytic converter 105 through the outlet 104.

Thereafter, when the catalyst material of the catalytic converter 105 rises to a temperature at which the catalytic action can be facilitated, the electronic gas valve 106 is opened by the control of the ECU, and the exhaust gas discharged from the exhaust manifold 101 is inlet 102. Inflow).

In addition, the present invention, since the exhaust gas discharged from the exhaust manifold at the beginning of the start flow into the catalytic converter through one of the inlet of the double exhaust front pipe, the amount of heat released to the outside when the exhaust gas passes through the double exhaust front pipe As a result, the catalyst material of the catalytic converter can be quickly heated to reduce the air pollution caused by the exhaust gas.

Claims (1)

Two inlet parts 102 and inlet part 103 through which the exhaust gas flowing out of the exhaust manifold 101 flows into the inlet part 103 and the inlet part 102 and 103 are converted into the catalytic converter 105. In the double exhaust front pipe consisting of one outlet 104 for discharging, A variable flow double exhaust pipe according to claim 1, further comprising an electronic control valve (106) mounted on the inlet (102) to open and close the inlet (102) and controlled by an ECU (electronic control module device).