JP3733101B2 - Air supercharger for automobiles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air supercharging device that causes air that has passed through an air cleaner to flow into an engine room during combustion of an automobile engine, and more particularly to excess air in proportion to the running speed of the automobile. The present invention relates to an air supercharger for an automobile in which the inflow speed is increased while causing a flow.
[0002]
[Prior art]
Usually, an overflow device for causing a vortex in the air flowing into the engine room of an automobile is provided between the air cleaner and the intake manifold of the engine, and the inflowing air is a guide fixed in the vortex device. It flows into the cylinder at a high speed while causing a vortex by the plate. Such a supercharger or intake air vortex device is disclosed in U.S. Pat. No. 4,962,642 and Korean Patent Publication No. 91-444 (Registration No. 41142).
[0003]
In either the supercharger or the intake vortex device having various configurations, the guide plate that forms the vortex by contacting the sucked air is fixed.
[0004]
If the guide plate is fixed in this way, it can only function to guide the sucked air in a certain direction (direction to cause vortex flow), and the mixed gas is mixed better in the suction valve passage of the air cleaner, Since air is sucked in by reciprocation of the cylinder piston without self air suction input, the pressure of the cylinder does not increase further, and when the same amount of air passes through the vortex flow device, the volume of the overload device reduces the cross-sectional area. The flow velocity in the part becomes faster, but the flow velocity after passing through the vortex device is the same as the previous velocity, and just hits the vortex device and is pushed out by the continuing air pressure and flows into the cylinder.
[0005]
However, considering the energy in the same way as the fixed vortex device at this time, there is a problem that the amount of air flowing into the cylinder cannot be increased.
[0006]
In order to solve such problems, Korean Patent Publication No. 94-3524 discloses a supercharger having a rotor blade driven by electric power of an automobile between an air cleaner and an intake manifold of an engine. I have proposed a configuration that is arranged. This is because the rotor blades are forcibly rotated by the power applied to the power generation member in the turbocharger when the automobile engine is running. The pressure of the mixed gas can be increased. However, there has been a problem that air must be sucked and vortex flow must be performed regardless of whether the vehicle is stopped or traveling conditions such as low speed and high speed.
[0007]
Therefore, in Korean Utility Model Publication No. 95-333, in order to forcibly supply an air amount proportional to the current driving state of the vehicle to the combustion chamber in the cylinder, an air movement path between the air cleaner of the vehicle and the intake manifold is provided. Although the shaft of the rotor blade is supported by a rolling friction member, by providing a housing with an independent installation configuration that is not connected to another power generation member, the air suction input is changed in proportion to the running speed of the automobile, and changes The air that flows in by the suction force is supplied to the cylinder combustion chamber in a vortex state.
[0008]
However, this has a drawback that air cannot be supplied in a complete vortex state when flowing into the cylinder combustion chamber, and the supply amount is not large.
The present inventor has proposed a supercharger for an automobile engine that solves such a problem in Korean Utility Model Registration Nos. 15497 and 159757.
[0009]
First, in the supercharging device disclosed in the above-mentioned utility model registration No. 154397, as shown in FIG. 1, a large number of rotating blades 2 are provided radially around a rotating shaft 1, and these rotating blades 2 are connected to a cylindrical rotating casing. 3 is disposed in the cylindrical housing 5 so that the rotary fan 4 rotates in the cylindrical housing 5, and the bearing auxiliary rod 32 constituting the cylindrical housing 5. Is formed so as to be inclined in the rotation direction of the rotary fan 4 so that the air flowing into the rotary blade 2 and the guide plate 10 formed on the rotary blade 2 directly hits, and below the cylindrical housing 5 A discharge housing 35 in which an arcuate guide plate 34 is formed so as to be inclined in the rotation direction of the rotary fan 4 is provided on the inner surface, and an inner side is provided above the cylindrical housing 5. An inflow housing 30 in which an arcuate guide plate 29 and an inner protrusion 31 are formed in the rotation direction of the rotary fan 4 is provided, and one end of the rotary shaft 1 covers a conical cap 37, but air flows into the conical cap 37. An arcuate inflow guide plate 13 having a constant height is formed in the direction of rotation of the rotary shaft 1 that is the direction in which it is formed.
[0010]
And in utility model registration No. 159757, as shown in FIG. 2, the inflow guide plate 50 in which the inflow guide plate 51 is formed on the inner side wall of the rotating casing 52 and the rotating shaft casing 44 is formed in the center, A rotary fan 60 comprising a cylindrical casing 43 formed with a large number of rotating blades that rotate when the rotary shaft 41 inserted into the rotary shaft casing 44 is inserted into the rotary shaft casing 61, and the cylindrical casing 43 Below, an upper and lower discharge housing 55 having discharge guide vanes 56 formed on the inner surface is assembled. With these components assembled, a conical fixing clip 57 is formed at the lower end of the rotary shaft 41. A supercharger for an automobile engine having a structure in which is fitted and fixed is disclosed.
[0011]
These ideas by the present inventors have the advantage that external air can be supplied in a complete vortex state when flowing into the cylinder combustion chamber, and the supply amount can be increased.
[0012]
However, components for supplying air in a vortex state (rotary fan 4 of utility model registration No. 15497, cylindrical housing 5, inflow housing 30 and discharge housing 35, or inflow guide body 50 of utility model registration No. 159757, rotation Since the fan 60 and the discharge housing 55) are separately manufactured and are fixed to each other by being bonded or fitted to each other, the respective components cannot withstand the high heat generated from the engine room and are thermally expanded and disassembled. There was a problem that could not be used for a long time because it was broken or broken.
[0013]
[Problems to be solved by the invention]
The present invention has been made in view of the above-described problems. In the flow of external air into the cylinder combustion chamber, while supplying the air in a complete vortex state and increasing the supply amount, the components are The purpose is to be able to maintain the combined state without being expanded and damaged by high heat from the engine.
[0014]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention provides an air discharge by accelerating by air dispersion in a cylindrical auxiliary device, vortexing and accelerating by a rotating fan, and vortexing again by an inflow housing. Improves the power so that the exhausted air is smoothly supplied to the combustion chamber of the engine at a high flow rate in a vortex state, and the cylindrical auxiliary equipment, the rotating fan, and the inflow housing, which are constituent elements, are fixed cylindrical equipment. These components are prevented from detaching by being fixed inside.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to FIGS. 3 and 4.
[0016]
In the present invention, the rotary blade 4 is fixed to the inner wall of the cylindrical rotary casing 3, the rotary fan 4 is formed with a shaft insertion hole 80 in the center, and the arcuate guide plate 29 is formed in the rotational direction of the rotary fan 4. In the air supercharging device for an automobile provided with the inflow housing 30 to be driven, a bearing housing 85 in which a rotating shaft 81 is forcibly fitted and fixed in the shaft insertion hole 80 of the rotating fan 4 and a bearing 82 is fixed at the center portion. An inflow guide vane 84 having a narrow upper and lower side is integrally formed on the outer side of the metal member, and is provided with a cylindrical auxiliary tool 86 made of a metal material having a protrusion 87 at the upper end of the outer periphery. The rotary fan 4 is rotated by forcibly fitting the tip 81 ′ of the rotary shaft 81 to the bearing 82; and a metal material having the same width as the protrusion 87 of the cylindrical auxiliary tool 86 is fixed. Of cylindrical tool 90 At the lower end, a step 91 having the same width as the thickness of the inflow housing 30 is formed inside, and the inflow housing 30 is forcibly inserted into the fixed cylindrical device 90 so as to follow the step 91; In a state where the cylindrical auxiliary device 86 is integrated by the rotating shaft 81, the cylindrical auxiliary device 86 is forcibly fitted to the cylindrical auxiliary device 86 while the rotary fan 4 is rotatably inserted into the fixed cylindrical device 90. The protrusion 87 of the auxiliary device 86 has a structure that is placed on the upper end of the fixed cylindrical device 90.
[0017]
Reference numeral 89 is a conical clip that is forcibly fitted and fixed to the inner surface of the bearing housing 85 of the cylindrical auxiliary device 86.
[0018]
The device of the present invention constructed as described above is disposed closest to the engine E of the automobile.
[0019]
That is, as shown in FIG. 5, in the state where the apparatus of the present invention is disposed in the path of the air supply pipe EP, the air sucked by the air suction input generated from the engine itself when the engine is driven or the traveling of the automobile The air naturally introduced by the air is diffused while passing through the upper and lower inflow guide vanes 84 of the cylindrical auxiliary equipment 86.
[0020]
The reason why the air can diffuse and flow in this way is that the guide blades 84 are narrower and wider in the direction in which the air is sucked.
[0021]
The diffused air hits the rotating blade 2 and rotates the rotating blade 2, whereby the rotating fan 4 rotates with the rotating shaft 81 fitted in the bearing 82.
[0022]
Subsequently, the air that has passed through the rotary fan 4 reaches the inflow housing 30 while causing a vortex.
[0023]
The air that has reached the inflow housing 30 is doubled in vortex formation while being guided by a guide plate 29 that is formed on the inner surface of the inflow housing 30 so as to be inclined in an arc shape in the rotation direction of the rotary fan 4.
[0024]
In short, the rotational force of the rotary fan 4 is accelerated by causing the air induced from the cylindrical auxiliary equipment 86 to directly hit the rotor blade 2, and as a result, while increasing the inflow amount and the flow velocity of the air, the vortex is generated. To be supplied.
[0025]
In particular, the inflowing air is diffused by the upper and lower inflow guide vanes 84, and the diffused air travels fast and directly hits the rotor blade 2 to further accelerate the rotation of the rotor blade 2. In addition, a vortex flow is generated in the air that has passed through the rotor blade 2, and this overflow is doubled while being guided by the guide plate 29.
[0026]
Accordingly, since the inflowing air is naturally transformed into a vortex, the amount of the inflowing air increases and the formation of the vortex is facilitated.
The air introduced in the vortex form is supplied to the combustion chamber with the flow velocity increased while maintaining the vortex state.
[0027]
That is, since the rotary fan 4 of the present invention is driven to rotate by an air intake amount proportional to the driving state of the engine or the traveling speed, air is supplied to the combustion chamber with an optimum vortex flow rate and air intake amount suitable for the state of the automobile. be able to.
[0028]
In addition, the air supercharger for automobiles is provided in the engine room, and there is a risk that the components and the like may be dismantled due to high heat in the engine room. In the present invention, the rotating fan 4 as a component is fixed. Since the metallic cylindrical auxiliary device 86 is mechanically coupled to the rotary shaft 81 at the same time as being located inside the cylindrical cylindrical device 90, the problem of separation from the cylindrical auxiliary device 86 can be solved.
[0029]
Further, since the rotating fan 4 is forcibly fitted and fixed to the bearing 82 rotated by the rotating shaft 81, the rotation of the rotating fan 4 is not disturbed.
[0030]
Further, the cylindrical auxiliary device 86 is also made of a metal material, and is forcedly fitted to the fixed cylindrical device 90 of the metal material and fixed to the upper end thereof by the protrusion 87, so that it is detached from the fixed cylindrical device 90. There is no fear.
[0031]
The inflow housing 30 is forcibly fitted inside the fixed cylindrical device 90 and is built in, and its lower end is applied to the step 91 formed at the lower end of the fixed cylindrical device 90. Since the material of the fixed cylindrical device 90 is different from that of the fixed cylindrical device 90, the fixed cylindrical device 90 is a metal material even if the coefficient of thermal expansion differs.
[0032]
In short, the present invention improves the air exhaust force by accelerating the air by dispersing the air in the cylindrical auxiliary device 86, vortexing and accelerating by the rotating fan 4, and vortexing again by the inflow housing 30. The discharged air is smoothly supplied to the combustion chamber of the engine at a high flow rate in a vortex state, and the cylindrical auxiliary equipment 86, the rotary fan 4 and the inflow housing 30 as components are placed inside the fixed cylindrical equipment 90. These components are prevented from coming off by fixing them.
[0033]
【The invention's effect】
As described above, the present invention improves the air exhaust force by accelerating by air dispersion in the cylindrical auxiliary equipment, vortexing and accelerating by the rotating fan, and vortexing again by the inflow housing. Therefore, the discharged air is smoothly supplied to the combustion chamber of the engine at a high flow rate in a vortex state, and the cylindrical auxiliary equipment, the rotating fan, and the inflow housing of the components are placed inside the fixed cylindrical equipment. By fixing, separation of these components can be prevented.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a conventional automobile air supercharger.
FIG. 2 is an exploded perspective view of a conventional automobile air supercharging device.
FIG. 3 is an exploded perspective view of an automotive air supercharging device according to the present invention.
4 is a cross-sectional view showing the coupled state of FIG. 3;
FIG. 5 is a diagram showing the use state of the apparatus of the present invention.
[Explanation of symbols]
2: Rotor blade 3: Cylindrical rotating casing 4: Rotating fan 30: Inflow housing 85: Bearing housing 86: Cylindrical auxiliary equipment 90: Fixed cylindrical equipment 91 of metal material: Step

Claims (2)

The rotary fan 4 is fixed to the inner wall of the cylindrical rotary casing 3, the rotary fan 4 is formed with a shaft insertion hole 80 in the center, and the inflow housing is formed with an arcuate guide plate 29 in the rotational direction of the rotary fan 4. 30 for an air supercharger for automobiles,
A rotary shaft 81 is forcibly fitted and fixed in the shaft insertion hole 80 of the rotary fan 4, and an inflow guide vane 84 having a narrow upper and lower portion is integrally formed outside the bearing housing 85 in which the bearing 82 is fixed at the center. And a metal-made cylindrical auxiliary device 86 having a protrusion 87 at the upper end of the outer periphery, and by forcibly fitting the tip 81 ′ of the rotary shaft 81 to the bearing 82 constituting the metal-made cylindrical auxiliary device 86. The rotating fan 4 is rotated;
A step 91 having the same width as the thickness of the inflow housing 30 is formed at the lower end of the fixed cylindrical device 90 made of a metal material having the same width as the protrusion 87 of the cylindrical auxiliary device 86. 91, the inflow housing 30 is forcibly inserted into the inside of the fixed-type cylindrical device 90 so as to be applied to 91;
In a state where the rotary fan 4 and the cylindrical auxiliary equipment 86 are integrated by the rotary shaft 81, the cylindrical auxiliary equipment 86 is forcedly inserted while the rotary fan 4 is first rotatably inserted into the fixed cylindrical equipment 90. An automotive air supercharging device characterized in that it has a structure in which the projection 87 of the cylindrical auxiliary device 86 is fitted on the upper end of the fixed cylindrical device 90. The air supercharging device for an automobile according to claim 1, wherein the inflow guide vane (84) has an upper, lower and lower cross section.

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