KR101363970B1 - Engine oil heating system - Google Patents

Abstract

The present invention relates to an engine oil heating system which pre-heats engine oil by performing heat exchange between exhaust gas and engine oil by diverting high temperature exhaust gas discharged from an engine through an exhaust manifold. The invention comprises the exhaust manifold, an oil fan, and a circulating unit. The exhaust manifold is closely connected to a catalyst converter and includes a plurality of cylinders for discharging the exhaust gas traveling from each cylinder of the engine. Several cylinders include connecting holes. The oil fan is placed at the lower part of the engine and holds the engine oil for lubricating each part of the engine. The circulating unit connects the exhaust manifold to the oil fan. The circulating unit heats the engine oil by supplying the exhaust gas to the oil fan and diverting the exhaust gas flowing into the cylinders of the exhaust manifold so that the exhaust gas is discharged through the exhaust manifold.

Description

Engine oil heating system

The present invention relates to a heating system of the engine oil, and more particularly, in order to increase the temperature of the engine oil in a short time at the beginning of the start-up so that the engine oil can perform a smooth function, the high temperature exhausted from the engine through the exhaust manifold It relates to an engine oil heating system that bypasses the exhaust gas to be circulated into the oil pan and preheats the engine oil by the high temperature exhaust gas at the beginning of the start-up.

In general, engine oil is a lubricating oil essential for interaction of internal combustion engines such as motorcycles and automobiles, hydraulic equipment, and various mechanical parts.

The function of the engine oil is to form a fluid film between the friction surfaces between the machine parts, thereby lubricating and preventing wear due to direct contact of the interface, and to minimize the heat generated during the friction process as one of the most important roles. will be.

The engine oil also has a sealing action that prevents the combustion gas from leaking due to the presence of a lubricant film between the piston and the cylinder wall of the internal combustion engine. In addition, the lubricating oil forms a film on mechanical parts other than the friction surface to prevent the contact between moisture, the generated gas, and the metal, thereby preventing the rust prevention effect.

It also disperses local pressure throughout the lubricant and equalizes it, and prevents sludge, soot, etc., which are oxidation products generated by lubricating oil and fuel from internal combustion engines, from being deposited on mechanical elements, It acts as a clean dispersion to keep the lubrication properties.

In addition, the engine oil is driven by the oil pump from the oil pan containing the oil to filter the foreign matter contained in the oil through the oil filter. In particular, oil must maintain a constant viscosity to exhibit various functions of oil including lubrication and cooling.

Therefore, it is desirable to maintain an appropriate line in which the viscosity of the oil is not too high or too low, and oil having a low viscosity in winter and oil having a high viscosity in summer will be suitable.

However, the conventional engine oil is in a state of high viscosity due to the low temperature of the ambient temperature during the cold or winter season, it does not achieve the optimum state at the beginning of the engine start, the fuel consumption and the generation of harmful gas increases, and various accessories including the engine Enough for back

Lubrication will not function properly.

In addition, since the viscosity of the engine oil is high, the wear of the engine is accelerated to shorten the life of the engine, and there is a problem that acts as a cause of the loss of peripheral mechanical parts.

The present invention has been made to solve the above problems and technical bias, bypasses the high temperature exhaust gas exhausted from the engine through the exhaust manifold to be circulated into the oil pan, and the high temperature exhaust gas and engine oil It is an object of the present invention to provide an engine oil heating system that enables the early heating of engine oil by heat exchange, so that the inherent function of the engine oil is smoothly performed.

Engine oil heating system of the present invention for achieving the above object,

An exhaust manifold connected adjacent to the catalytic converter and having a plurality of cylinders for exhausting the exhaust gas flowing from each cylinder of the engine, the communication manifold having a communication port in some of the cylinders; An oil pan disposed under the engine and storing engine oil for lubricating parts of the engine; And connecting the exhaust manifold and the oil pan, bypassing the exhaust gas flowing into the cylinder of the exhaust manifold to be supplied into the oil pan while heating the engine oil and exhausting the exhaust oil through the exhaust manifold. It is configured to include; circulation means to.

At this time, the circulation means, a venturi tube provided between the exhaust manifold and the oil pan, the inlet, exhaust and jet nozzles communicate with each other; A first pipe connecting the oil pan with the communication port of the one of the plurality of cylinders of the exhaust manifold; A heating pipe provided in the oil pan in a state of being connected with the first pipe to heat exchange the exhaust gas with the engine oil; A second pipe connecting the heating nozzle and the jet nozzle of the venturi pipe to suck the exhaust gas of the heating pipe into the venturi pipe; A third pipe connecting the suction part of the venturi pipe with a cylinder provided with another communication port other than a cylinder to which the first pipe is connected among the plurality of cylinders of the exhaust manifold; And a point at which the plurality of cylinders of the exhaust manifold joins the exhaust part of the venturi tube, and the exhaust gas introduced from the third pipe and the exhaust gas sucked from the second pipe to the catalytic converter side. It is preferably configured to include; a fourth pipe for re-introducing the exhaust manifold.

On the other hand, the engine oil heating system presented in another embodiment of the present invention,

An exhaust manifold connected to the main exhaust pipe extending from the catalytic converter at a predetermined length, and having a plurality of cylinders for exhausting the exhaust gas flowing from each cylinder of the engine, and having a communication port provided in one of the cylinders; An oil pan disposed under the engine and storing engine oil for lubricating parts of the engine; And connecting the exhaust manifold and the oil pan, bypassing the exhaust gas flowing into the cylinder of the exhaust manifold to be supplied into the oil pan, and heating the engine oil and exhausting the gas through the main exhaust pipe. The circulation means; is configured to include.

In this case, the circulation means is disposed on the pipeline of the main exhaust pipe, the venturi pipe connected to the suction pipe and the exhaust pipe of the main exhaust pipe in a state in which the suction unit, the exhaust and the jet nozzle is formed to communicate with each other ; A first pipe connecting the communication port of the cylinder provided with the communication port and the oil pan; A heating pipe provided in the oil pan in a state of being connected with the first pipe to heat exchange the exhaust gas with the engine oil; And a second pipe connecting the heating pipe and the jet nozzle of the venturi pipe to suck the exhaust gas of the heating pipe into the venturi pipe.

또는

인 것이 바람직하다.On the other hand, the shape of the heating pipe is

or

.

At this time, the outer periphery of the heating pipe is preferably further provided with a first heat transfer fin formed in a spiral along the longitudinal direction.

In addition, it is preferable that the first embossing is further formed along the length of the first heating fins so as to widen the heat transfer area of the heating fins at the center of the plate surface of the first heating fins.

In addition, the outer periphery of the heating pipe is preferably further provided with a second heating fins formed at equal intervals along the longitudinal direction.

At this time, it is preferable that a plurality of second embossings are radially formed along the width direction of the second heat fins to widen the heat transfer area of the second heat fins on the plate surface of the second heat fins.

According to the engine oil heating system of the present invention having the configuration as described above,

Unique features of engine oil are to bypass the high temperature exhaust gas exhausted from the engine through the exhaust manifold to circulate inside the oil pan and to lower the viscosity of the engine oil by allowing the engine oil to exchange heat with the circulating exhaust gas. In addition to the smooth operation, there is an advantage of preventing the extension of engine life and the loss of peripheral mechanical parts.

In addition, by allowing the engine oil to be heated prematurely, in the case of the winter season, by reducing the abnormal function of the engine oil due to the high viscosity of the initial starting engine oil, there is an effect of reducing fuel consumption and harmful gas emissions.

1 is a schematic view showing an engine equipped with an engine oil heating system according to the present invention;
Figure 2 is a detailed view showing the engine oil heating system according to the present invention in detail,
3 is a cross-sectional view of a main part of a state in which a heating pipe is provided inside an oil pan of the engine oil heating system according to the present invention;
Figure 4 is a principal part perspective view showing a state in which the heating fin is provided in the heating pipe of the configuration of the engine oil heating system according to the present invention,
5 is a main part perspective view showing another shape of the heat transfer fin provided in the heating pipe of the engine oil heating system according to the present invention;
Figure 6 is a detailed view showing another embodiment of the engine oil heating system according to the present invention,
7 is a reference diagram showing the flow of exhaust gas by the engine oil heating system according to the present invention,
8 is a graph showing test data by the engine oil heating system of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. These embodiments are provided to explain in detail the present invention to those skilled in the art. Accordingly, the shape of each element shown in the drawings may be exaggerated to emphasize a clearer description.

The terms first, second, etc. may be used to describe various elements, but the elements should not be limited by terms. Terms are used only for the purpose of distinguishing one component from another.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Prior to the description, the engine oil exhaust system of the present invention can be selectively applied to an exhaust device of an Under Catalytic Converter (CCC) and a Close Coupled Converter (UCC) type. First, the present embodiment will be described with an example applied to the CCC type. do.

The CCC type is an exhaust device in which an exhaust manifold and a catalytic converter described later are arranged adjacent to each other.

1 to 5, the engine oil heating system of the present invention includes an exhaust manifold 100, an oil pan 150 and circulation means.

The exhaust manifold 100 is for discharging the exhaust gas exhausted from the plurality of cylinders mounted inside the engine 10 to the outside, the rear is connected adjacent to the catalytic converter 120, the front of the engine 10 A plurality of cylinders 110 corresponding to the number of cylinders are formed while communicating with the cylinders so that the exhaust gas flowing from each cylinder path (not shown) of the exhaust gas is discharged to the outside.

In addition, the outer surface of some of the cylinders 110 of the plurality of cylinders 110 is provided with a communication port 110a communicating with the inside, which is the first pipe 220 and the third pipe 250 of the circulation means to be described later One end of each) is to be connected.

In this case, the communication port 110a may protrude outward from the surface of the cylinder 110 or may be formed on the surface of the cylinder 110 so that the first pipe 220 and the third pipe 250 may be easily connected. It may be.

In the present embodiment, although the communication port 110a is formed in each of the cylinders 110 on both sides of the four cylinders 110, the position is not necessarily limited.

At this time, the exhaust manifold 100 is selected to be used in a variety of cylinders, such as a 2 × 2 structure consisting of two cylinders, that is, a 4 × or 3 × 2 structure consisting of three cylinders, that is, six cylinders, etc. This is preferable because the cylinder of the exhaust manifold 100 to be mounted varies according to the difference between the small size and the large size of the vehicle.

In this embodiment, it is shown as applied to the four cylinders.

The catalytic converter 120 serves to convert CO or HC into a harmless CO 2 or H 2 O by using a catalyst or to reduce NO x to nitrogen (N 2) and oxygen (O 2). Catalysts such as palladium, rhodium, copper, and manganese may be formed in the form of pellets and filled, and a honeycomb-type oxidation with low exhaust resistance to maintain the catalyst components by overlapping the corrugated metal plate with a screw shape is formed. The device may be provided.

That is, the catalytic converter 120 is exhausted from the cylinder of the engine 10 to reduce the exhaust gas of harmful components introduced through the exhaust manifold 100 to the exhaust gas of harmless components to exhaust to the outside.

On the other hand, the rear of the catalytic converter 120 is connected to the auxiliary exhaust pipe 20 for exhausting the exhaust gas reduced from the catalytic converter 120, the auxiliary exhaust pipe 20 to reduce the exhaust noise by reducing the pressure of the exhaust gas A sub silencer (not shown) and a main silencer (not shown) are provided to lower the exhaust temperature.

The oil pan 150 is disposed at the lower part of the engine 10 and is a place where lubricated engine oil is stored while circulating each part of the engine 10. The oil pan 150 supplies engine oil to each part of the engine 10 although not shown. An oil strainer is provided, and a baffle is provided to prevent the engine oil from leaning in one direction.

That is, the oil pan 150 is to circulate the engine oil by filtering the engine oil circulating each part of the engine 10 through a separate device (not shown) to re-supply the engine oil.

The circulation means connects the exhaust manifold 100 and the oil pan 150 to each other and bypasses the exhaust gas flowing into the cylinder 110 of the exhaust manifold 100 so as to be supplied into the oil pan 150. By heating the oil and exhausting it again through the exhaust manifold 100, the venturi tube 210 (venturi tuve), the first pipe 220, the heating pipe 230, the second pipe 240, the first It consists of three pipes 250 and the fourth pipe (260).

The venturi tube 210 is connected between the exhaust manifold 100 and the oil pan 150, that is, the engine 10. It is provided on the outside, and the suction part 211, the exhaust part 213 and the jet nozzle 215 is formed to communicate with each other.

Here, since the shape and principle of the venturi tube 210 is a matter that is commonly implemented, detailed descriptions thereof will be omitted. In the present embodiment, the suction unit 211 and the exhaust unit 213 are respectively described in the third section. The pipe 250 and the fourth pipe 260 are connected, and the jet nozzle 215 to which the second pipe 240 is connected is shown at a central position where the cross section of the venturi pipe 210 is reduced the most. It was.

The first pipe 220 has a tubular shape, one end of which is connected to the communication port 110a of any one of the plurality of cylinders 110 formed in the exhaust manifold 100, and the other end thereof is filled with engine oil. Is connected to the oil pan 150 through the communication port 110a of the cylinder 110 The exhaust gas is supplied into the oil pan 150.

The heating pipe 230 is provided in the oil pan 150 in a state of being connected to the first pipe 220 in a tubular shape and is circulated while allowing the high temperature exhaust gas and engine oil to circulate inside the oil pan 150 to exchange heat. The exhaust gas is exhausted to the outside of the oil pan 150.

That is, the exhaust gas discharged during the initial start-up of the engine 10 is directly supplied to the oil pan 150 so that the viscosity of the engine oil having an initial high viscosity is rapidly lowered by the high temperature heat of the exhaust gas. .

또는

의 형상으로 배치될 수도 있는데, 이는 히팅배관(230)의 길이가 길게 연장되도록 함으로써 배기가스의 순환에 의한 엔진오일의 열교환 원활하게 이루어지도록 하기 위함이다.At this time, the shape of the heating pipe 230 is in the oil pan 150

or

It may be arranged in the shape of, so that the length of the heating pipe 230 is extended so that the heat exchange of the engine oil by the circulation of the exhaust gas is made smoothly.

형상인 것으로 도시하였지만, 그 형상은 다양하게 형성될 수 있음은 물론이다.In this embodiment, the heating pipe 230

Although illustrated as being a shape, it is a matter of course that the shape can be formed in various ways.

On the other hand, as shown in Figure 4, the outer circumference of the heating pipe 230 may be further provided with a first heat transfer fin 231 formed in a spiral along the longitudinal direction, the heat transfer in the center of the plate surface of the first heat transfer fin 231 The first embossing 231a may be further formed along the length of the first heat fin 231 to widen the heat transfer area of the fin.

That is, the first heat transfer fin 231 is provided in a spiral shape on the outer circumference of the heating pipe 230 in a plate shape, and the first embossing 231a is formed on the plate surface of the first heat transfer fin 231, so as to form an engine oil. Increasing the contact rate, thereby maximizing the heating of the engine oil.

In addition, as shown in FIG. 5, the outer circumferential edge of the heating pipe 230 may further include second heat transfer fins 233 formed at equal intervals along the longitudinal direction, and on the plate surface of the second heat transfer fins 233. A plurality of second embossings 233a may be further formed radially along the width direction of the second heating fins 233 to widen the heat transfer area of the second heating fins 233.

The second heat transfer pin 233 and the second embossing 233a have the same functions and effects as the first heat transfer pin 231 and the first embossing 231a, and thus description thereof will be omitted.

Meanwhile, the material of the first heat transfer fin 231 and the second heat transfer fin 233 may be any metal or alloy having excellent thermal conductivity such as copper, aluminum, stainless steel, zinc, tin, etc., so that high-temperature exhaust gas heat can be effectively generated. It is preferable that one is selected and used.

In the present exemplary embodiment, the first heating fins 231 and the second heating fins 233 are disposed in the spiral or equidistant intervals on the heating pipe 230, but the shape of the first heating fins 231 and the second heating fins 233 is not necessarily limited and may have various shapes. .

The second pipe 240 is connected to one end of the heating pipe 230 through which the exhaust gas circulating inside the oil pan 150 in a tubular shape, and the other end to the jet nozzle 215 of the venturi pipe 210. The connection is such that the heating pipe 230 and the jet nozzle 215 communicate with each other so that the exhaust gas circulated through the heating pipe 230 is sucked into the venturi pipe 210 through the jet nozzle 215.

The third pipe 250 has a tubular shape, the other communication port 110a of the plurality of cylinders 110 of the exhaust manifold 100 except for the cylinder 110 to which the first pipe 220 is connected is provided. The inlet portion 211 of the cylinder 110 and the venturi tube 210 is connected.

That is, the exhaust gas introduced from the other cylinder 110 that is not connected to the first pipe 220 is directed to the suction part 211 of the venturi pipe 210.

The fourth pipe 260 connects the exhaust point 213 of the venturi pipe 210 with the point where the plurality of cylinders 110 of the exhaust manifold 100 join to the catalytic converter 120 in a tubular shape. The exhaust gas introduced from the third pipe 250 and the exhaust gas sucked from the second pipe 240 are allowed to flow back into the exhaust manifold 100 so as to be exhausted to the outside.

In this case, at the point where the plurality of cylinders 110 of the exhaust manifold 100 join, a coupling hole protrudes outward or is formed on the surface of the fourth pipe 260 so that one end of the fourth pipe 260 can be easily coupled. ) May be provided.

The circulation means having the above structure is formed inside the venturi tube 210 when the exhaust gas introduced into the third pipe 250 through the other cylinder 110 is directed to the fourth pipe 260. The exhaust gas of the second pipe 240 circulated inside the oil pan 150 by the internal pressure is forcibly sucked into the venturi pipe 210 to exhaust the exhaust gas and the second exhaust pipe toward the fourth pipe 260. By exhausting the exhaust gas back to the exhaust manifold 100 to be exhausted to the outside is to continue the heating of the engine oil by the exhaust gas.

Therefore, as the heating of the engine oil is made early by the exhaust gas generated at the start of the engine 10, the abnormal function of the engine oil due to the high viscosity of the initial engine oil is minimized, as well as fuel saving and harmful gas emission. It is to have the effect of reducing this.

Next, the engine oil heating system of the present invention will be described with reference to FIG. 6 by using an example of the UCC (Close Coupled Converter) type.

The UCC type is an exhaust device provided with a main exhaust pipe 130 between the exhaust manifold 100 and the catalytic converter 120.

The engine oil heating system of the present invention applied to the UCC type includes an exhaust manifold 100, an oil pan 150, and circulation means.

In the following description, parts having the same structure as the aforementioned CCC type will be described. It will be omitted, and only the different structure will be described.

The exhaust manifold 100 is for discharging the exhaust gas exhausted from the plurality of cylinders mounted inside the engine 10 to the outside, and the rear side of the exhaust manifold 100 extends a predetermined length from the catalytic converter 120. A plurality of cylinders 110 corresponding to the number of cylinders are formed at the front side while communicating with the cylinders so that the exhaust gas flowing from each cylinder of the engine 10 is exhausted to the outside.

In addition, any one of the plurality of cylinders 110, the outer surface of the cylinder 110 is provided with a communication port (110a) that communicates with the inside, which is connected to one end of the first pipe 220 of the circulation means to be described later To do this.

The circulation means connects the exhaust manifold 100 and the oil pan 150 to each other and bypasses the exhaust gas flowing into the cylinder 110 of the exhaust manifold 100 so as to be supplied into the oil pan 150. The oil is heated and exhausted again through the main exhaust pipe 130. The venturi pipe 210 includes a venturi tuve, a first pipe 220, a heating pipe 230, and a second pipe 240. .

The venturi tube 210 is disposed on a pipeline of the main exhaust pipe 130 connecting the exhaust manifold 100 and the catalytic converter 120, and includes an intake unit 211, an exhaust unit 213, and a jet nozzle 215. ) And the suction part 211 and the exhaust part 213 are connected to the pipelines of the main exhaust pipe 130, respectively.

That is, the venturi pipe 210 is disposed on the main exhaust pipe 130, and the main exhaust pipe 130 is in communication with each other by the suction part 211 and the exhaust part 213. The exhaust gas flowing into the fold 100 is discharged to the outside through the inlet 211 and the exhaust 213 to the catalytic converter 120 through the main exhaust pipe 130, and precisely venturi The low pressure is generated inside the venturi tube 210 by the exhaust gas passing through the tube 210 so that the exhaust gas circulating in the oil pan 150 is sucked in.

The first pipe 220 is connected to the communication port (110a) of the cylinder 110 is provided with a communication port (110a) of the plurality of cylinders 110, one end is formed in the exhaust manifold 100 in the tubular shape, the other end Is connected to the oil pan 150 filled with the engine oil so that the exhaust gas flowing through the communication port 110a of the cylinder 110 is supplied into the oil pan 150.

The heating pipe 230 is provided in the oil pan 150 in a state of being connected to the first pipe 220 in a tubular shape and is circulated while allowing the high temperature exhaust gas and engine oil to circulate inside the oil pan 150 to exchange heat. The exhaust gas is exhausted to the outside of the oil pan 150.

The second pipe 240 is connected to one end of the heating pipe 230 through which the exhaust gas circulating inside the oil pan 150 in a tubular shape, and the other end to the jet nozzle 215 of the venturi pipe 210. The connection is made so that the heating pipe 230 and the jet nozzle 215 communicate with each other so that the exhaust gas circulated through the heating pipe 230 is sucked into the venturi pipe 210 through the jet nozzle 215.

The circulation means having the structure as described above is a low generated inside the venturi tube 210 when the exhaust gas introduced into the exhaust manifold 100 passes through the venturi tube 210 disposed on the main exhaust pipe 130. The exhaust gas circulated through the oil pan 150 is sucked by the pressure difference so that the exhaust gas is exhausted to the outside through the catalytic converter 120 to continuously heat the engine oil by the exhaust gas.

Hereinafter, referring to FIG. 7, the engine oil heating system of the present invention is applied to a CCC type.

First, when the engine 10 is driven, a plurality of cylinders mounted in the engine 10 are driven, and the exhaust gas exhausted from the cylinder is introduced into a plurality of starts formed in the exhaust manifold 100.

At this time, the exhaust gas flows into the first pipe 220 connected to one of the cylinders 110 of the plurality of cylinders 110, and the introduced exhaust gas flows into the oil pan 150 through the first pipe 220 on the pipe. ) (See arrow direction in FIG. 7).

The exhaust gas supplied to the oil pan 150 heats the heating pipe 230 and the first and second heating fins 231 and 233 while circulating the heating pipe 230 provided in the oil pan 150. The heating pipe 230 and the first and second heating fins 231 and 233 are in contact with the engine oil filled in the oil pan 150 to heat exchange and heat the engine oil.

Thereafter, the exhaust gas circulated through the heating pipe 230 is sucked into the venturi pipe 210 through the second pipe 240, which is introduced into the third pipe 250 through the other cylinder 110. When the exhaust gas flows through the venturi pipe 210 to the fourth pipe 260, the second pipe having a high pressure by circulating the oil pan 150 by a low internal pressure formed inside the venturi pipe 210. This is because the exhaust gas of 240 is forcibly sucked into the venturi tube 210.

In addition, the exhaust gas of the second pipe 240 sucked into the venturi pipe 210 is mixed with the exhaust gas introduced into the third pipe 250, and the exhaust gas of the exhaust unit 213 is passed through the venturi pipe 210. The exhaust gas is exhausted to the portion adjacent to the catalytic converter 120 and the exhaust manifold 100 through the four pipes 260 and exhausted to the outside through the catalytic converter 120.

8 is a graph showing the difference between applying and not applying the engine oil heating system of the present invention.

The above test conditions are the results obtained by driving the engine 10 for at least 10 hours at room temperature (25 ° C.) based on the fuel efficiency test.

As can be seen in FIG. 8, the heating temperature of the engine oil to which the present invention is applied reaches 80 ° C., but it can be confirmed that it is about 70 seconds ahead of the non-applied application of the present invention. You can see the convergence.

In addition, even if the heating of the engine oil is made in the state of the present invention can be confirmed that does not affect the coolant temperature for cooling the engine (10).

As described so far, the engine oil heating system of the present invention,

Unique features of engine oil are to bypass the high temperature exhaust gas exhausted from the engine through the exhaust manifold to circulate inside the oil pan and to lower the viscosity of the engine oil by allowing the engine oil to exchange heat with the circulating exhaust gas. In addition to the smooth operation, there is an advantage of preventing the extension of engine life and the loss of peripheral mechanical parts.

In addition, by allowing the engine oil to be heated prematurely, in the case of the winter season, by reducing the abnormal function of the engine oil due to the high viscosity of the initial starting engine oil, there is an effect of reducing fuel consumption and harmful gas emissions.

As described above, the engine oil heating system of the present invention has been described with reference to the preferred embodiments and the accompanying drawings, which are not intended to limit the technical scope of the present invention, but are intended to help the understanding of the present invention.

That is, those skilled in the art without departing from the technical gist of the present invention can be variously modified or modified, as well as such changes or modifications, the technical scope of the present invention in the interpretation of the claims. It is hard to say that I am within.

10 engine 20 auxiliary exhaust pipe
100: exhaust manifold 110: cylinder
110a: communication port 120: catalytic converter
130: main exhaust pipe 150: oil pan
210: venturi tube 211: intake portion
213: exhaust 215: jet nozzle
220: first piping 230: heating piping
231: first heat transfer plate 231a: first embossing
233: second heating plate 233a: second embossing
240: second pipe 250: third pipe
260: fourth piping

Claims (9)

It is connected adjacent to the catalytic converter 120, a plurality of cylinders (110) for exhausting the exhaust gas flowing from each cylinder of the engine 10 is formed and a communication port (110a) in some of the cylinders 110 An exhaust manifold 100 provided;
An oil pan (150) disposed under the engine (10) and storing engine oil for lubricating each part of the engine (10); And
The exhaust manifold 100 and the oil pan 150 are connected to each other, and bypass the exhaust gas flowing into the cylinder 110 of the exhaust manifold 100 to be supplied into the oil pan 150. And circulation means for heating the engine oil and exhausting the exhaust oil through the exhaust manifold (100).
The circulation means,
A venturi tube 210 provided between the exhaust manifold 100 and the oil pan 150 and configured to allow the suction part 211, the exhaust part 213, and the jet nozzle 215 to communicate with each other; A first pipe (220) connecting the communication port (110a) of the one of the plurality of cylinders (110) of the exhaust manifold (100) and the oil pan (150); A heating pipe 230 provided inside the oil pan 150 in a state of being connected with the first pipe 220 to heat-exchange the exhaust gas and the engine oil; The second pipe 240 to connect the heating pipe 230 and the jet nozzle 215 of the venturi pipe 210 to suck the exhaust gas of the heating pipe 230 into the venturi pipe 210. ); The cylinder 110 and the venturi provided with another communication port 110a except for the cylinder 110 to which the first pipe 220 is connected among the plurality of cylinders 110 of the exhaust manifold 100. A third pipe 250 connecting the suction part 211 of the pipe 210; And a point at which the plurality of cylinders 110 of the exhaust manifold 100 join the exhaust unit 213 of the venturi tube 210 toward the catalytic converter 120, and the third pipe. An engine oil heating, comprising: a fourth pipe 260 for allowing the exhaust gas introduced from the 250 and the exhaust gas sucked from the second pipe 240 to flow back into the exhaust manifold 100. system. delete Connected to the main exhaust pipe 130 extending from the catalytic converter 120 by a predetermined length, a plurality of cylinders 110 for exhausting the exhaust gas flowing from each cylinder of the engine 10 is formed and the cylinders 110 An exhaust manifold 100 having a communication port 110a in any one of the cylinders 110;
An oil pan (150) disposed under the engine (10) and storing engine oil for lubricating each part of the engine (10); And
The exhaust manifold 100 and the oil pan 150 are connected to each other, and bypass the exhaust gas flowing into the cylinder 110 of the exhaust manifold 100 to be supplied into the oil pan 150. And circulation means for heating the engine oil and exhausting the gas through the main exhaust pipe 130.
The circulation means,
The suction part 211 and the exhaust part 213 are disposed on a conduit of the main exhaust pipe 130 and the suction part 211, the exhaust part 213, and the jet nozzle 215 are formed to communicate with each other. Venturi pipes 210 connected to the pipes of the main exhaust pipe 130, respectively; A first pipe 220 connecting the communication port 110a of the cylinder 110 and the oil pan 150 provided with the communication port 110a; A heating pipe 230 provided inside the oil pan 150 in a state of being connected with the first pipe 220 to heat-exchange the exhaust gas and the engine oil; And a second pipe connecting the heating pipe 230 and the jet nozzle 215 of the venturi pipe 210 to suck the exhaust gas of the heating pipe 230 into the venturi pipe 210. 240); engine oil heating system characterized in that consisting of. delete The method according to claim 1 or 3,
The shape of the heating pipe 230 is

or

An engine oil heating system, characterized in that arranged. The method according to claim 1 or 3,
An engine oil heating system, characterized in that the outer circumference of the heating pipe 230 is further provided with a first heat transfer fin 231 formed spirally in the longitudinal direction. The method according to claim 6,
Engine oil heating system, characterized in that the first embossing (231a) is further formed along the length of the first heat transfer fin 231 in the center of the plate surface of the first heat transfer fin 231 to widen the heat transfer area of the heat transfer fin . The method according to claim 1 or 3,
An engine oil heating system, characterized in that the outer circumference of the heating pipe 230 is further provided with a second heat transfer fin 233 formed at equal intervals along the longitudinal direction. 9. The method of claim 8,
A plurality of second embossings 233a are radially disposed along the width direction of the second heat fin 233 so as to widen the heat transfer area of the second heat fin 233 on the plate surface of the second heat fin 233. Engine oil heating system, characterized in that formed.

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