DE102020213993A1 - Valve and device for heating oil using exhaust heat - Google Patents

Abstract

A valve (10) is disclosed which comprises an inlet (20), a first outlet (21), a second outlet (22) and a control device (23), the valve (10) comprising a closure device (30), which is constructed such that in a first operating state the inlet (20) is fluidically connected to the first outlet (21), the second outlet (22) being closed, in a second operating state the inlet (20) is fluidically connected to the second outlet (22) is connected, wherein the first outlet (21) is closed, in a third operating state the inlet (20) is fluidically connected to the first outlet (21), wherein the second outlet (22) is closed, and wherein the control device (23) is designed to control the operating state of the valve (10) depending on the pressure of a fluid which does not flow through the valve (10) so that the pressure at which the first operating state is set is low is lower than the pressure at which the second operating condition is set, and the pressure at which the second operating condition is set is lower than the pressure at which the third operating condition is set.

Description

The present invention relates to a valve, an apparatus for heating oil in an oil pan of an internal combustion engine using exhaust heat, an internal combustion engine assembly and a vehicle. The invention also relates to a method for operating an internal combustion engine arrangement.

Regenerating or flushing exhaust gas aftertreatment devices, for example diesel particulate filters or nitrogen oxide storage catalytic converters, can result in fuel getting into the oil of the internal combustion engine, which means that the oil is diluted. When the oil reaches a certain temperature, for example 90°C, the fuel can vaporize to a certain extent. However, if the user only travels short distances, the oil in the lubricating circuit does not reach the temperature required for the fuel to vaporize. This in turn means that the service intervals required as a result of oil dilution are shortened. In order to increase service intervals again, an increase in oil volume is required, which in turn leads to higher weight and increased costs and also delays the warm-up of the internal combustion engine as a result of the additional thermal mass.

In the document U.S. 4,458,642 describes a system for heating oil for an internal combustion engine. The oil is heated by the heat from the exhaust gas using a heat exchanger.

A temperature sensor is provided to prevent the oil from overheating. If the temperature of the oil exceeds a specified threshold value, either the flow of oil to the heat exchanger or the flow of exhaust gas to the heat exchanger is interrupted.

Against this background, it is the object of the present invention to provide an advantageous, particularly robust and mechanically controllable valve. A further object is to provide an advantageous device for heating oil in an oil pan of an internal combustion engine, in particular an internal combustion engine, by means of exhaust gas heat. A further object is to provide an advantageous internal combustion engine arrangement and a method for its operation, as well as a vehicle.

The first object is achieved by a valve according to claim 1. The second object is achieved by a device for heating oil according to claim 7. The third object is achieved by an internal combustion engine arrangement according to patent claim 8 and by a method for operating an internal combustion engine arrangement according to patent claim 11 . The fourth object is achieved by a vehicle according to patent claim 10. The dependent claims contain further advantageous developments of the invention.

The valve according to the invention comprises an inlet, a first outlet, a second outlet and a control device. The valve also includes a closure device, for example a valve flap arrangement, which is constructed such that in a first operating state, in particular in a first valve position, the inlet is fluidically connected to the first outlet, with the second outlet being closed. The closure device is also constructed such that in a second operating state, in particular a second valve position, the inlet is fluidically connected to the second outlet, with the first outlet being closed, and in a third operating state, in particular a third valve position, the inlet is fluidically connected connected to the first outlet with the second outlet being closed.

The control device is designed to control the operating state of the valve depending on the pressure of a fluid. The fluid does not flow through the valve. The control device is designed to control the operating state of the valve as a function of the pressure of the fluid such that the pressure at which the first operating state is set or is assumed is lower than the pressure at which the second operating state is set or is assumed and the pressure at which the second operating condition is established or assumed is less than the pressure at which the third operating condition is established or assumed.

The fluid that is used to control the valve can be, for example, a charging fluid of an internal combustion engine, that is, for example, the charging air of an internal combustion engine. The valve according to the invention has the advantage that it is of robust construction and enables the operating state or the valve position to be controlled mechanically. As a result, an exclusively pressure-based control is possible in such a way that when a pressure threshold value of the fluid used for the control is exceeded, the valve is reset to an initial state, in this case the first operating state. Thus, temperature-dependent control of the valve position is indirectly possible.

In an advantageous variant, the control device includes a thermostat and is designed to bring the valve into the first operating state when receiving a signal from the thermostat. This refinement has the advantage that, in addition to the control as a function of the pressure of a fluid, a temperature-dependent control is made possible. In connection with an application of the valve as part of an arrangement for heating oil using exhaust gas heat, such a valve ensures robust and reliable protection against overheating of the oil.

The closure device of the valve preferably comprises two flaps which are mechanically firmly connected to one another. The first flap is designed to close the second outlet and the second flap is designed to close the first outlet and/or the second outlet. Such a mechanically simple and robust configuration ensures reliable and safe operation of the valve.

The control device preferably includes an actuator for adjusting the position of the flaps. The actuator can be designed to be mechanically controllable by means of a spring, with a mechanical force being exerted on the spring, for example by the pressure of the fluid used for control. The force exerted on the spring can be mechanically transmitted to the closure device, for example by means of a rack and/or a toothed wheel or in some other way.

In a further variant, the control device is designed for adjusting, for example for continuously adjusting, the operating state of the closure device in intermediate states between the first and/or the second and/or the third operating state. In other words, the control device can be designed in such a way that the transitions between the individual operating states can take place continuously, it being possible, in particular, for intermediate states to be assumed between the individual operating states. For example, the first and/or the second flap can assume positions in which the first outlet and the second outlet are each partially open. This enables flexible, situation-adapted control.

The device according to the invention for heating oil from an oil pan of an internal combustion engine, for example an internal combustion engine and/or a generator, by means of exhaust gas heat, in particular exhaust gas heat from the internal combustion engine, comprises a heat exchanger. The device also includes a valve according to the invention as described above. The heat exchanger is located downstream of the valve and is fluidly connected to the second outlet. If the valve includes a thermostat, the thermostat can be designed in particular to determine the temperature of oil in an oil pan. The device according to the invention for heating oil has the features and advantages already mentioned above in connection with the valve according to the invention. It is particularly suitable for retrofitting existing internal combustion engines, such as internal combustion engines.

The internal combustion engine arrangement according to the invention comprises an internal combustion engine, a device for sucking in a charge fluid, for example for sucking in charge air, an exhaust line and an oil pan. Furthermore, the internal combustion engine arrangement comprises an already described valve according to the invention or a previously described device according to the invention for heating oil. In this case, the inlet of the valve is fluidically connected to the exhaust system for introducing exhaust gas. The first outlet of the valve is fluidly connected to the exhaust line for discharging exhaust gas. The second outlet of the valve is fluidly connected to a heat exchanger for heating oil or the heat exchanger for heating oil in the oil pan. The control device of the valve is fluidically connected to the device for sucking in the charging fluid, the valve being controllable by the pressure of the charging fluid of the internal combustion engine. In other words, the control device is designed in such a way that the charging fluid, for example the charging air, forms the fluid by means of whose pressure the valve can be controlled, as described above. As already mentioned, there can also be a thermostat for determining the oil temperature in the oil pan. The internal combustion engine arrangement according to the invention has the features and advantages already mentioned above. In particular, it enables the temperature of the oil in the oil pan to be controlled as a function of the pressure of the charging fluid. In this way, fuel present in the oil is consistently and efficiently vaporized. As a result, long service intervals can be guaranteed and operation with a comparatively small amount of oil is possible.

Preferably, the internal combustion engine arrangement comprises an exhaust aftertreatment device and the valve is arranged downstream of the exhaust aftertreatment device. Furthermore, in this variant, the heat exchanger is arranged downstream of the second outlet of the valve. The heat exchanger is advantageously arranged in the oil pan or on an outer wall of the oil pan. The heat exchanger is arranged so that it is designed for heat exchange with the oil in the oil pan.

The vehicle according to the invention, which can be a motor vehicle or a ship, for example, comprises an internal combustion engine arrangement according to the invention as described above. It has the features, properties and advantages already described. The motor vehicle can be, for example, a passenger car, a truck, a bus, a minibus, a motorcycle or a moped.

The method according to the invention for operating an internal combustion engine arrangement according to the invention described above comprises the following steps: The valve is operated in the first operating state, with no exhaust gas being routed to the heat exchanger if the pressure of a charging fluid, for example the charging air, falls below a first specified threshold value. The valve is operated in the second operating state or an operating state between the first and second operating states, wherein exhaust gas is at least partially routed to the heat exchanger if the pressure of the charging fluid exceeds the first predetermined threshold and falls below a second predetermined threshold. The valve is operated in the third mode of operation or a mode of operation between the second and third modes of operation if the pressure of the charge fluid exceeds the second predetermined threshold. The method according to the invention has the advantages already mentioned above. It enables the oil to be heated as a function of boost pressure, eliminating the need for temperature-dependent control, which is potentially error-prone.

In an advantageous variant, the temperature of the oil in the oil pan can be determined by means of a thermostat and when a temperature threshold value is exceeded, the valve can be brought into the first operating state. The temperature threshold can be at least 90 degrees Celsius (90°C), in particular at least 95 degrees Celsius (95°C). In addition to the boost-pressure-dependent control of the valve, this configuration enables an additional temperature control that is very advantageous from a safety point of view, and which prevents overheating of the oil independently of the boost-pressure-dependent control.

The valve is preferably brought into the first operating state in that the fluidic connection of the charging fluid to the valve is interrupted, in particular the charging air pressure supply to the valve is interrupted. In other words, when a temperature threshold value is exceeded, the fluidic connection of the charging fluid to the valve can be interrupted and the valve can thereby be automatically brought into the first operating state. From a safety point of view, this represents a very reliable and simply designed mechanical solution.

Overall, the present invention has the advantage that purely mechanical control of the temperature of oil in an oil pan and thus efficient evaporation of fuel located in the oil are made possible. In particular, no expensive control devices and in particular no error-prone electronically controlled control devices are required. The purely mechanical control is less prone to errors, can be easily retrofitted into existing systems and is characterized by a potentially long service life with little maintenance. Furthermore, the present invention enables the oil temperature to be adapted to the respective operating conditions of an internal combustion engine, in particular an internal combustion engine, which correspond to the extent to which fuel is present in the oil.

The invention is explained in more detail below using exemplary embodiments with reference to the attached figures. Although the invention is illustrated and described in detail by the preferred embodiments, the invention is not limited by the disclosed examples and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention.

The figures are not necessarily detailed or to scale and may be enlarged or reduced in order to provide a better overview. Therefore, the functional details disclosed herein are not to be taken as limiting, but merely as a basis for providing guidance for one skilled in the art to utilize the present invention in various ways.

• 1 zeigt schematisch eine Verbrennungsmotoranordnung mit einem Wärmetauscher zum Erhitzen von Öl in einer Ölwanne.
• 2 zeigt schematisch ein erfindungsgemäßes Ventil in einer teilweise geschnittenen Ansicht in einem ersten Betriebszustand.
• 3 zeigt schematisch ein erfindungsgemäßes Ventil in einer teilweise geschnittenen Ansicht in einem zweiten Betriebszustand.
• 4 zeigt schematisch ein erfindungsgemäßes Ventil in einer teilweise geschnittenen Ansicht in einem dritten Betriebszustand.
• 5 zeigt schematisch die in der 1 gezeigte Verbrennungsmotoranordnung bei niedriger Öltemperatur und geringem bis mittlerem Ladedruck.
• 6 zeigt schematisch die in der 1 gezeigte Verbrennungsmotoranordnung bei niedriger Öltemperatur und hohem Ladedruck.
• 7 zeigt schematisch die in der 1 gezeigte Verbrennungsmotoranordnung bei hoher Öltemperatur.
• 8 zeigt schematisch ein erfindungsgemäßes Fahrzeug.
• 9 zeigt schematisch ein erfindungsgemäßes Verfahren zum Betreiben einer Verbrennungsmotoranordnung in Form eines Flussdiagramms.

As used herein, the term "and/or" when used in a series of two or more items means that each of the listed items can be used alone, or any combination of two or more of the listed items can be used. For example, if a composition is described as containing components A, B and/or C, composition A alone; B alone; C alone; A and B in combination; A and C in combination; B and C in combination; or A, B, and C in combination.

• 1 shows schematically an internal combustion engine arrangement with a heat exchanger for heating oil in an oil pan.
• 2 shows schematically a valve according to the invention in a partially sectioned view in a first operating state.
• 3 shows schematically a valve according to the invention in a partially sectioned view in a second operating state.
• 4 shows schematically a valve according to the invention in a partially sectioned view in a third operating state.
• 5 shows schematically in the 1 Internal combustion engine arrangement shown at low oil temperature and low to medium boost pressure.
• 6 shows schematically in the 1 Internal combustion engine arrangement shown at low oil temperature and high boost pressure.
• 7 shows schematically in the 1 internal combustion engine arrangement shown at high oil temperature.
• 8th shows schematically a vehicle according to the invention.
• 9 shows schematically a method according to the invention for operating an internal combustion engine arrangement in the form of a flowchart.

the 1 shows schematically an internal combustion engine arrangement with a heat exchanger for heating oil in an oil pan. The internal combustion engine arrangement 1 comprises an internal combustion engine 2. The internal combustion engine 2 comprises a number of cylinders 4, an oil pan 8 which is filled with oil 3, an oil pump 5 and a main oil gallery 6. The oil pump 5 is designed to pump oil 2 from the oil pan 8 to pump into the main oil gallery 6.

The internal combustion engine 2 also includes an exhaust line with an exhaust manifold 7, an exhaust gas aftertreatment device 15 arranged downstream of the exhaust manifold 7 and an exhaust gas main flow channel 9 arranged downstream of the exhaust gas aftertreatment device 15. The exhaust gas main flow channel 9 comprises a bypass flow channel 11. The bypass flow channel 11 comprises a heat exchanger 12.

The heat exchanger 12 is configured and arranged so that heat from exhaust gas flowing through the bypass flow channel 11 can be given off to the oil 3 in the oil pan 8 . For this purpose, the heat exchanger 12 can be arranged, for example, in the oil pan 8 or in thermal connection with an outer wall of the oil pan 8 . The bypass flow channel 11 has an inlet 16 and an outlet 17 .

A valve 10 according to the invention is arranged in the main exhaust gas flow channel 9 at the inlet 16 of the bypass flow channel 11 . The valve 10 comprises an inlet 20, a first outlet 21 and a second outlet 22. The inlet 20 and the first outlet 21 are fluidically connected to the main exhaust gas flow channel 9. The second outlet 22 is fluidically connected to the inlet of the bypass flow channel 11 .

The valve 10 also has a control device 23 which is fluidically connected to a charging fluid in such a way that the valve position can be controlled by the pressure of the charging fluid. For this purpose, the control device 23 can have a mechanical spring 24, for example, and can be configured such that the pressure of the charging fluid exerts a mechanical force on the spring 24, as a result of which the valve position is changed. The fluidic connection of the control device 23 with a charging fluid, for example with a charge air supply, is in the 1 indicated schematically with the reference numeral 14 by a line.

the 2 shows schematically a valve 10 according to the invention in a partially sectioned view in a first operating state. the 3 shows the valve 10 in a second operating state and the 4 shows the valve 10 in a third operating state. The valve 10 shown has a flow channel 18 and a closure device 30 arranged at least partially in the flow channel. The closure device 30 comprises two flaps that are mechanically connected to one another, namely a first flap 31 and a second flap 32.

The first flap 31 is designed to close the second outlet 22 . For this purpose, a stop 33 is provided in the embodiment shown. The second flap 32 is designed to close the first outlet 21 . This is in the 3 shown. The second flap 32 is also designed to close the second outlet 22 . This is in the 4 shown. In this valve position, the first flap 31 is in a position in which it does not close the second outlet 22 . In this operating state, the closure of the second outlet 22 is ensured exclusively by the second flap 32 . A stop 34 is provided for closing the second outlet 22 by means of the second flap 32 . In the variant shown, the first flap is 31 and the second flap 32 are mechanically firmly connected to one another and are rotatably mounted within the valve 10 about an axis of rotation 35 . The first outlet 21 and/or the second outlet 22 is opened or closed by rotating the flaps about the axis of rotation 35 .

The rotation of the flaps 31 and 32 about the axis of rotation 35 is realized in the variant shown in that the valve flaps are firmly connected to a ring gear 36 which is arranged to rotate about the axis of rotation 35 . A rack 37 is mechanically engaged with the ring gear 36 . The toothed rack 37 is mechanically connected to the actuator 23 and is arranged such that it can be moved in a translatory manner by the action of a force on the spring 24 .

In the 2 a first operating state or a first valve position is shown. There is a low pressure of the fluid, for example the charge air. In particular, the pressure of the fluid can be below a first threshold value. In this position, no pressure or pressure below a threshold value is exerted on the spring 24 and the closure device 30 is in a state in which the first flap 31 closes the second outlet 22 . Exhaust gas coming from an exhaust gas aftertreatment device can therefore flow through the inlet 20 through the valve to the first outlet 21 . The direction of flow of the exhaust gas is indicated by arrows 19 .

In the 3 a second operating state or a second valve position is shown. In the situation shown, the pressure of the fluid is above a first threshold and below a second threshold. A force is exerted on the spring 24 by the pressure of the fluid. As a result, the toothed rack 37 is moved in a translatory manner and the flaps 31 and 32 are rotated about the axis of rotation 35 via the toothed rim 36 . In the variant specifically shown, a counterclockwise rotation of 90° C. has taken place, which means that the second outlet 22 is open and the second flap 32 closes the first outlet 21 . In this situation, ie with a low to medium charge pressure, exhaust gas flows through the inlet 20 through the second outlet 22 and can be used in this way for the heat exchanger 12 to heat the oil 3 .

the 4 shows a third operating state or a third valve position, the pressure of the charging fluid being above the second threshold value. In this situation, a greater force is exerted on the spring 24 than in the second operating condition. The consequence of this is that the toothed rack 37 is moved even further in a translatory manner in a predetermined direction, as a result of which the ring gear 36 is rotated further and the valve flaps 31 and 32 are thereby rotated even further in a predetermined direction of rotation. In the variant shown, the flaps 31 and 32 are based on the in the 2 rotated from the starting position shown by an angle between 100° and 160°. In this position, the second outlet 22 is closed by the second flap 32 , the second flap 32 resting against the stop 34 . Exhaust gas flows through the valve 10 through the inlet 20 and the first outlet 21. This prevents the oil from overheating as a result of the heat exchanger 12 heating up too much when the charge pressure is high and the exhaust gas temperature is correspondingly high.

the 5 until 7 show the in the 1 Internal combustion engine assembly 1 shown in different operating states and at different oil temperatures, which are detected by the thermostat 13. The thermostat 13 is functionally connected to the control device 23 in such a way that if the temperature of the oil 3 in the oil pan 8 exceeds a specified temperature threshold value, the valve 10 is brought into the first operating state. This can be realized, for example, by interrupting the fluidic connection between the control device 23 or a corresponding actuator and a charging fluid supply, for example a device for sucking in charging fluid, in particular charging air. This ensures that no further pressure is exerted on the spring 24 and the spring 24 in the in the 2 shown initial state is reset.

5 shows the condition at a low to medium charging fluid pressure, for example a pressure between the first threshold value and the second threshold value. In this situation, the valve 10 is in the in the 3 shown second operating state. The temperature of the oil 3, which is detected by the thermostat 13, is below the set temperature threshold.

6 shows an operating state in which the charging fluid pressure is above the second threshold value and the valve 10 in the in the 4 shown third operating position. The temperature of the oil 3 detected by the thermostat 13 is below the specified temperature threshold value. The valve 10 is thereby held in the third operating state by means of the charging fluid pressure and a corresponding force acting on the spring 24 .

In the in the 7 shown operating state has been detected by the thermostat 13, a temperature of the oil 3, which is fixed above the set temperature threshold is. The supply of charging fluid to the actuator, that is to say specifically to the spring 24, was interrupted by means of the thermostat 13 or via a signal by means of the control device 23. The charging fluid thus no longer exerts any pressure on the spring 24, as a result of which the spring 24 relaxes and the valve 10 returns to the first operating state.

the 8th shows schematically a vehicle 40 according to the invention. The vehicle 40 according to the invention comprises an internal combustion engine arrangement 1 as described above. The vehicle can be a motor vehicle or a ship.

the 9 shows schematically a method according to the invention for operating a previously described internal combustion engine arrangement in the form of a flow chart. In step 41 the internal combustion engine arrangement was put into operation. In step 42 it is checked whether the pressure of a charging fluid falls below a first specified threshold value. If this is not the case, the method jumps back to step 44. If this is the case, then in step 43 the valve 10 is operated in the first operating state, in which no exhaust gas is routed to the heat exchanger.

In step 44 it is checked whether the pressure of the charging fluid exceeds the first specified threshold value. If this is not the case, the method jumps back to step 42. If this is the case, then in step 45 it is checked whether the pressure of the charging fluid falls below a second specified threshold value. If this is the case, then in step 46 the valve is operated in the second operating state or an operating state between the first and second operating states, wherein exhaust gas is at least partially routed to the heat exchanger.

If, in step 45, the second predetermined threshold value is exceeded, then in step 47 the valve is operated in a third operating state or an operating state between the second and third operating states.

Optionally, in a further step 48, the temperature of the oil in the oil pan is determined by means of a thermostat. In a next step 49, it is checked whether the detected temperature exceeds a specified temperature threshold value. If this is the case, then in a next step the valve is brought into the first operating state, ie step 43 is carried out. This can be realized by interrupting the fluidic connection of the charging fluid to the valve. If the temperature threshold is not exceeded, the method jumps back to step 48 .

Reference List

1

internal combustion engine arrangement

2

combustion engine

3

oil

4

cylinder

5

oil pump

6

main oil gallery

7

exhaust manifold

8th

sump

9

Exhaust main flow channel

10

Valve

11

bypass flow channel

12

bypass flow channel

13

thermostat

14

charge air supply

15

exhaust aftertreatment device

16

inlet

17

outlet

18

flow channel

20

inlet

21

first outlet

22

second outlet

23

control device

24

mechanical spring

30

locking device

31

first take

32

second flap

33

attack

34

attack

35

axis of rotation

36

sprocket

37

rack

40

vehicle

41

Internal combustion engine assembly in operation

42

Pressure of the charging fluid below a first set threshold?

43

Valve in first operating condition

44

Pressure of the charging fluid above a first set threshold?

45

Pressure of the charging fluid below a second fixed threshold?

46

Valve in the second operating state or an operating state between the first and the second operating state

47

Valve in the third operating state or an operating state between the second and the third operating state

48

Determine oil temperature

49

set temperature threshold exceeded?

J

Yes

N

no

QUOTES INCLUDED IN DESCRIPTION

This list of the documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• US4458642 [0003]

Claims (13)

Valve (10) comprising an inlet (20), a first outlet (21), a second outlet (22) and a control device (23), characterized in that the valve (10) comprises a closure device (30) which is constructed in such a way that in a first operating state the inlet (20) is fluidically connected to the first outlet (21), the second outlet (22) being closed, in a second operating state the inlet (20) is fluidically connected to the second outlet ( 22) is connected, wherein the first outlet (21) is closed, in a third operating state the inlet (20) is fluidically connected to the first outlet (21), wherein the second outlet (22) is closed, and wherein the control device ( 23) is designed to control the operating state of the valve (10) depending on the pressure of a fluid which does not flow through the valve (10) so that the pressure at which the first operating state is set, ger is less than the pressure at which the second mode of operation is set, and the pressure at which the second mode of operation is set is less than the pressure at which the third mode of operation is set. valve (10) after claim 1 , characterized in that the control device (23) comprises a thermostat (13) and is adapted to bring the valve into the first operating state upon receiving a signal from the thermostat (13). valve (10) after claim 1 or claim 2 , characterized in that the closure device (30) comprises two flaps (31, 32) mechanically fixed to one another, the first flap (31) being designed to close the second outlet (22) and the second flap (32) to do so is designed to close the first outlet (21) and/or the second outlet (22). valve (10) after claim 3 , characterized in that the control device (23) comprises an actuator (24, 36, 37) for adjusting the position of the flaps (31, 32). valve (10) after claim 4 , characterized in that the actuator can be controlled mechanically by means of a spring (24), a mechanical force being exerted on the spring (24) by the pressure of the fluid. Valve (10) according to one of Claims 1 until 5 , characterized in that the control device (23) is designed to adjust the operating state of the closure device (30) to intermediate states between the first and/or second and/or third operating state. Device for heating oil (3) in an oil pan (8) of an internal combustion engine (2) by means of exhaust gas heat, which comprises a heat exchanger (12), characterized in that the device has a valve (10) according to one of Claims 1 until 6 comprises wherein the heat exchanger (12) is arranged downstream of the valve (10) and is fluidly connected to the second outlet (22). Internal combustion engine arrangement (1), which comprises an internal combustion engine (2), a device for sucking in a charging fluid (14), an exhaust line (7, 9) and an oil pan (8), characterized in that the internal combustion engine arrangement (1) has a valve (10 ) according to one of the Claims 1 until 6 or a device for heating oil according to claim 7 comprises, wherein the inlet (20) of the valve (10) is fluidically connected to the exhaust system (7) for introducing exhaust gas, the first outlet (21) of the valve (10) is fluidically connected to the exhaust system (9) for discharging exhaust gas and the second outlet (22) of the valve (10) is fluidly connected to a/the heat exchanger (12) for heating oil (3) in the oil pan (8) and the control device (23) of the valve (10) is fluidly connected to connected to the device for sucking in the charging fluid (14), the valve (10) being controllable by the pressure of the charging fluid of the internal combustion engine (2). Internal combustion engine arrangement (1) after claim 8 , characterized in that the internal combustion engine arrangement (1) comprises an exhaust gas aftertreatment device (15) and the valve (10) is arranged downstream of the exhaust gas aftertreatment device (15) and the heat exchanger (12) downstream of the second outlet (22) of the valve (10). Vehicle (40) having an internal combustion engine arrangement (1) according to one of Claims 8 until 9 includes. Method for operating an internal combustion engine arrangement (1) according to one of Claims 8 until 9 , characterized in that the method comprises the following steps: - operating the valve in the first operating state (43), with no exhaust gas being routed to the heat exchanger if the pressure of a charging fluid falls below a first specified threshold value (42), - operating the valve in the second plant or an operating state between the first and the second operating state (46), wherein exhaust gas is at least partially routed to the heat exchanger if the pressure of the charging fluid exceeds the first specified threshold value (44) and falls below a second specified threshold value (45), - operating the valve in the third operating state or an operating state between the second and third operating states (47) if the pressure of the charging fluid exceeds the second predetermined threshold value (45). procedure after claim 11 , characterized in that the temperature of the oil in the oil pan is determined by means of a thermostat (48) and when a temperature threshold value (49) is exceeded, the valve is brought into the first operating state (43). procedure after claim 12 , characterized in that the valve (10) is thereby brought into the first operating state that the fluidic connection of the charging fluid (14) to the valve (10) is interrupted.

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