KR100412243B1 - System for inhaling of a vehicle - Google Patents

Abstract

A system for inhaling and exhausting air for use in driving an engine is disclosed. The system includes an air intake duct, a cleaner, an engine intake manifold and an engine exhaust manifold, a muffler and an exhaust tail pipe. The system may include a first discharge valve installed in the air intake duct and configured to discharge foreign substances, moisture, and the like contained in air introduced into the air intake duct to the outside of the intake system. It is connected between the valve and the exhaust tail pipe, and foreign matters and moisture contained in the air flowing into the air intake duct due to the pressure difference generated between the air intake duct and the exhaust tail pipe when the vehicle is driven. And a first drain hose for draining to the exhaust tail pipe. Accordingly, foreign matters and moisture introduced into the vehicle through the first drain hose may be easily discharged to the outside.

Description

System for inhaling of a vehicle

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intake system of a vehicle, and more particularly, to a system for sucking and exhausting air used when driving an engine.

In general, the vehicle is driven by the combustion process of the internal combustion engine. The combustion process uses air for fuel such as gasoline or diesel. That is, the fuel is burned using air.

Accordingly, the vehicle is provided with an intake system for sucking and exhausting air for combustion.

Examples of the intake system of the vehicle are disclosed in Korean Patent Publication No. 97-65986 and Korean Utility Model Publication No. 99-3238.

1 is a schematic diagram illustrating a conventional intake system of a vehicle.

Referring to FIG. 1, the system 1 includes an air intake duct 10, a cleaner 14, an engine intake manifold 18, an engine exhaust manifold 20, a muffler 24 and an exhaust tail pipe 26. ), And the like. The apparatus further includes air hoses 12 and 16, an exhaust pipe 22, and the like that connect between the components of the system 1. The system 1 also includes discharge valves 28a and 28b installed in each of the air intake duct 10 and the cleaner 14.

In the system 1, the air intake and exhaust process are as follows. First, air is sucked in through the air intake duct 10. At this time, the air contains moisture and foreign matters. Therefore, the air is passed through the cleaner 14 to be cleaned. The air is then guided through the air hose 16 to the engine intake manifold 18. Accordingly, the air is combusted with fuel in a combustion chamber (not shown) of the engine. The combustion air is guided to the muffler 24 through the engine exhaust manifold 20 and the exhaust pipe 22 and then exhausted to the outside through the exhaust tail pipe 26.

Here, moisture and foreign matters contained in the air guided to the air intake duct 10 and the cleaner 14 remain in the air intake duct 10 and the cleaner 14. Therefore, the discharge valves 28a and 28b are opened to discharge the moisture and foreign substances to the outside. For example, when rainwater or the like is accumulated in the air intake duct 10 and the cleaner 14, the user opens the discharge valves 28a and 28b to discharge the rainwater to the outside.

That is, in the related art, foreign matter, moisture, and the like present in the air intake duct 10 or the cleaner 14 of the vehicle are discharged to the outside of the vehicle by its own weight. In addition, when the engine speed of the vehicle is a low speed, foreign matter and moisture present in the air intake duct 10 or the cleaner 14 of the vehicle are discharged to the outside of the vehicle by using the pulsation pressure of the engine.

However, a serious problem occurs when the vehicle passes through the heavy rain area at high speed. This is because water (rain water) and foreign matters existing in the air intake duct 10 or the cleaner 14 of the vehicle cannot be discharged to the outside. Specifically, when the vehicle travels at high speed, the rotation speed of the engine is increased at high speed. Therefore, a negative pressure is formed in the air intake duct 10 and the cleaner 14, and thus the discharge valves 28a and 28b are not opened. Accordingly, moisture and foreign substances may not be discharged to the air intake duct 10 and the cleaner 14, or a small amount may be discharged.

Therefore, a situation in which the water and foreign matter present in the air intake duct 10 and the cleaner 14 frequently flows into the engine frequently occurs, and the engine is fatally damaged.

Accordingly, recently, there has been a demand for an intake system of a vehicle for easily discharging the moisture and foreign substances.

It is an object of the present invention to provide a system for easily discharging foreign matters, moisture and the like introduced into a vehicle to the outside.

1 is a schematic diagram illustrating a conventional intake system of a vehicle.

2 is a schematic diagram illustrating a vehicle intake system according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1, 4: intake system 10, 40: air intake duct

12, 16, 42, 46: Air hose 14, 44: Cleaner

18, 48: engine intake manifold

20, 50: engine exhaust manifold

22, 52: exhaust pipe 24, 54: muffler

26, 56: exhaust tail pipe

28a, 28b, 58a, 58b: discharge valve

60a, 60b: drain hose

According to an aspect of the present invention, there is provided an air intake system for cleaning an air inlet duct through which air containing moisture is introduced when driving the vehicle, and the air passing through the air intake duct. A cleaner, an air hose connecting the air intake duct and the cleaner, an engine intake manifold connected to the cleaner, and an engine exhaust manifold exhausting combustion air while passing through the engine; The combustion air is passed through, the muffler to reduce the noise generated when the combustion is made, an exhaust tail pipe for exhausting the burned air to the outside, and installed in the air intake duct, the air inlet First discharge for discharging foreign matter and moisture contained in the air to the outside of the intake system And a valve, connected between the first discharge valve and the exhaust tail pipe, and introduced into the air intake duct by a pressure difference generated between the air intake duct and the exhaust tail pipe when the vehicle is driven. It further comprises a first drain hose for draining foreign matter and moisture contained in the air to the exhaust tail pipe.

Accordingly, foreign matters, water (rain water), and the like contained in the air flowing into the air intake duct of the vehicle can be discharged to the exhaust tail pipe. Therefore, the foreign matter, moisture, and the like do not exist in the air intake duct. Therefore, it is possible to minimize the inhalation of the foreign matter and moisture in the engine of the vehicle.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

2 is a schematic diagram illustrating a vehicle intake system according to an embodiment of the present invention.

2, the system 4 includes an air intake duct 40, a cleaner 44, an engine intake manifold 48, an engine exhaust manifold 50, a muffler 54 and an exhaust tail pipe 56. ), And the like. In addition, air hoses 42 and 46, exhaust pipes 52, and the like that connect between the components of the system 4 are further included. The system 4 also includes first and second discharge valves 58a and 58b installed in the air intake duct 40 and the cleaner 44, respectively. In particular, the system 4 includes a first drain hose 60a and the second discharge valve 58b and the exhaust tail pipe (c) connecting between the first discharge valve 58a and the exhaust tail pipe 56. 56 and further includes a second drain hose 58b for connecting therebetween.

The first drain hose 60a and the second drain hose 60b are connected to the exhaust tail pipe 56 using a connecting pipe (not shown) installed in the exhaust tail pipe 56.

In the system 4, the air intake and exhaust process are as follows. First, air is sucked in through the air intake duct 40. At this time, the air contains moisture and foreign matters. Therefore, the air is passed through the cleaner 44 to clean foreign substances, moisture, and the like contained in the air. In other words. The air is filtered by passing through the cleaner 44. The air is then guided through the air hose 46 to the engine intake manifold 48. Accordingly, the air is combusted with fuel in a combustion chamber (not shown) of the engine. The combustion air is guided to the muffler 54 through the engine exhaust manifold 50 and the exhaust pipe 52 and then exhausted to the outside through the exhaust tail pipe 56. Here, the muffler 54 has a role of suppressing noise generated when burning the air and fuel.

In addition, foreign matter, moisture, and the like contained in the air flowing into the air intake duct 40 are guided to the exhaust tail pipe 56 through the first discharge valve 58a and the first drain hose 60a. . Accordingly, foreign matters and moisture contained in the air flowing into the air intake duct 40 are easily discharged to the outside of the vehicle. Specifically, the foreign matter, moisture, etc. are guided to the exhaust tail pipe 56 by the pressure difference generated between the air intake duct 40 and the exhaust tail pipe 56 when the vehicle is running. To be discharged. That is, the pressure difference is based on the Bernoulli principle, and when the velocity energy is increased in any part, the pressure energy is relatively decreased.

In addition, by installing the second drain hose 60b connected to not only the air intake duct 40 but also the second discharge valve 58b of the cleaner 44, the foreign matter and moisture may be more easily removed. Can be discharged to outside.

That is, by installing the first drain hose 60a and the second drain hose 60b, the water and the foreign matter, etc. are discharged to the outside twice.

Therefore, according to the present invention, water and foreign matters contained in the air flowing into the vehicle can be easily discharged to the outside. Accordingly, it is possible to minimize the inflow of foreign matters and moisture into the engine of the vehicle. Therefore, the vehicle can be stably operated. In particular, even when the vehicle travels in a concentrated heavy rain region at high speed, rainwater and the like can be quickly discharged to the outside through the first and second drain hoses. Therefore, it is possible to safely drive the heavy rain area at high speed.

As such, by minimizing the inflow of moisture such as rainwater into the engine of the vehicle, it is possible to expect an effect of minimizing the output of the vehicle caused by incomplete combustion and the generation of smoke in the vehicle.

Although the above has been described with reference to the preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the present invention without departing from the spirit and scope of the present invention described in the claims below. I can understand that you can.

Claims (2)

In the intake system of a vehicle, An air intake duct through which air containing moisture is introduced when driving the vehicle, a cleaner for cleaning air passing through the air intake duct, an air hose connecting the air intake duct and the cleaner, and An engine intake manifold connected to the cleaner and introducing the air into the engine, an engine exhaust manifold for exhausting the burned air while passing through the engine, and noise generated when the burned air is passed and the combustion is made. An exhaust tail pipe for exhausting the muffler and the exhausted air to the outside, and foreign substances and moisture, which are installed in the air intake duct and included in the air flowing into the air intake duct, to the outside of the intake system. A first discharge valve, Foreign matter included between the first discharge valve and the exhaust tail pipe and included in the air flowing into the air intake duct by a pressure difference generated between the air intake duct and the exhaust tail pipe when the vehicle is driven. And a first drain hose for draining moisture or the like into the exhaust tail pipe. The method of claim 1, further comprising a second discharge valve for discharging foreign matter and water contained in the air flowing into the cleaner to the outside of the intake system, The second discharge valve and the exhaust tail pipe are connected between each other, and foreign substances and moisture contained in the air flowing into the cleaner due to the pressure difference generated between the cleaner and the exhaust tail pipe when the vehicle is driven. And a second drain hose for draining to said exhaust tail pipe.