• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Method and device for obtaining and managing an air enriched in oxygen in a vehicle, and control unit comprising means adapted to execute said procedure. The method comprises determining a state of a combustión engine (2), diverting exhaust gases from the engine (2) by means of a valve (7) based on the determined state, so that if the state of the determined engine (2) comprises an operation in propulsion mode, the valve (7) diverts the exhaust gases from the engine (2) to an exhaust system (9), if the determined motor (2) state operates in holding mode, the valve (7) deflects the exhaust gases of the combustión engine (2) to an oxygen separator (3), so that the exhaust gases of the engine (2) are introduced into the oxygen separator (3), and the oxygen enriched air is obtained by means of the oxygen separator (3). It provides a device and procedure that obtains and manages oxygen-rich air in a more efficient manner and without impairing the performance of the vehicle. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2619905A1
    申请号:ES201631689
    申请日:2016-12-27
    公开日:2017-06-27
    发明作者:Orlando LONGO；Iván DÍAZ MARTÍN
    申请人:SEAT SA；
    IPC主号:
    专利说明:

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    DESCRIPTION
    Procedure and device for obtaining and managing an oxygen enriched air in a vehicle, and control unit comprising means adapted to execute said procedure.
    The present invention relates to a method and device for obtaining and managing an oxygen enriched air in a vehicle.
    In addition, it also refers to a control unit comprising means adapted to execute said procedure.
    Background of the invention
    In an internal combustion engine implemented in a vehicle, said thermal engine is fed by ambient air during the intake stage. This air obtained from the exterior of the vehicle is mixed with fuel in order to achieve a mixture suitable for generating an explosion / expansion, thus generating mechanical energy.
    In ambient air, nitrogen is the major component and represents approximately 78% of ambient air, while oxygen does not reach 21%. Therefore, the increase in oxygen concentration in the intake air to the engine has the following advantages:
    - Increases the performance of the combustion engine due to the higher calorific value of the oxygen-rich air; Y
    - Increase in combustion performance, which contributes to a reduction in the polluting products resulting from combustion.
    In addition, this increase in the concentration of oxygen in the intake air allows to lower the compression ratio of the engine, favoring the compaction of the engine and / or eliminating supercharging.
    In the state of the art it is known from DE 10 2006 037 805 A1 the use of a nitrogen filtering device in ambient air, requiring mechanical energy from a compressor to circulate the air through channels that pass through a countryside
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    magnetic generated by a permanent magnet.
    In this way, this document describes the use of this device as a constant air filter, obtaining a separation between oxygen and nitrogen. It is important to note that it requires a compressor to circulate said air through the filter, presenting the drawback that it consumes mechanical energy from the compressor continuously. In a hypothetical implementation of said filter and the corresponding compressor in a vehicle, it is noted that it would be an additional consumer, which would consume energy constantly, damaging the efficiency and behavior of the vehicle.
    Therefore, an objective of the present invention is to provide a device and a method that obtains and manages oxygen-rich gas in a more efficient manner and without harming the performance of the vehicle.
    Description of the invention
    With the procedure and device for obtaining and managing an oxygen enriched air in a vehicle, the aforementioned inconveniences are resolved, presenting other advantages that will be described below.
    The present invention is based on taking advantage of the retention phases of the engine, thus taking advantage of the inertia of the vehicle, in order to activate the operation of an oxygen separating filter or device. In this way it is possible to obtain an air with an increase in the proportion of oxygen without external energy input, thus improving the performance and consumption of the vehicle.
    According to a first aspect, the present invention relates to a process for obtaining an oxygen enriched air in a vehicle comprising the steps of:
    - determine a state of at least one combustion engine,
    - diverting exhaust gases from the at least one combustion engine by means of a valve, for example, an electrovalve, although it could be any suitable type of valve, based on the state of the at least one particular combustion engine, so that :
    if the state of the at least one particular combustion engine comprises propulsion mode operation, the valve deflects the exhaust gases of the at least one combustion engine towards an exhaust system,
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    If the state of the at least one particular combustion engine comprises an operation in retention mode, the valve diverts the exhaust gases of the at least one combustion engine towards an oxygen separating device, so that it comprises the steps of:
    - introducing the exhaust gases of the at least one combustion engine into the oxygen separator device, and
    - obtain the oxygen enriched air by means of the oxygen separating device.
    In this way, the obtaining of oxygen is only carried out in the engine retention phases taking advantage of the inertial energy of the vehicle, and this gas rich in accumulated oxygen is capable of being dosed and mixed in an intake stage of the combustion engine in phases high demand of torque and / or power.
    In particular, when a combustion engine operates in propulsion mode, the exhaust or exhaust gases have passed a combustion stage, so they are not suitable for being introduced into the oxygen separating device. In this way, said combustion outlet gases are directed directly towards the vehicle's exhaust system, this exhaust system being the conventional one of a vehicle.
    On the other hand, when the combustion engine operates in retention mode, the exhaust or exhaust gases are gases that have not exceeded any combustion, therefore, it is air or gas at least partially compressed and without combustion. In this way, said exhaust gases are apt to be introduced into the oxygen separator device, due to the pressure with which they are expelled from the combustion engine. Thus, the valve or electrovalvula directs them to said oxygen separating device in order to obtain oxygen enriched air.
    In particular, a propulsion mode operation comprises detecting an operation of the at least one combustion engine with a fuel injection, and a retention mode operation comprises detecting an operation of the at least one combustion engine without a fuel injection.
    It should be noted that a combustion engine has, in general, two differentiated forms of use:
    - Operation in propulsion mode when fuel and air are injected, producing a mixture that causes the explosion and subsequent propulsion of the vehicle;
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    - Operation in retention mode when no fuel is injected. This mode occurs in normal driving situations where the driver does not press the accelerator pedal. Also, when the vehicle is running and the engine is in hold mode, it acts as a brake.
    Advantageously, the process also comprises an additional step of accumulating oxygen enriched air in at least one tank, which could be provided to the combustion engine at the appropriate time, as explained below.
    The method may also preferably comprise an additional step of determining a pressure of at least one tank, for example, by means of a pressure sensor, which allows to know the filling status of the tank.
    In this way, the step of diverting the exhaust gases of the at least one combustion engine by means of the valve can be additionally based on the pressure of the at least one determined tank, so that:
    if the pressure of the at least one tank is equal to or greater than a first predefined value (defined as a safety value or in which the full tank is considered), the valve deflects the exhaust gases of the at least one engine of combustion towards the exhaust system, and
    If the pressure of the at least one tank is lower than the first predefined value, the valve deflects the exhaust gases of the at least one combustion engine towards the oxygen separating device.
    In this way, the operation of the oxygen separating device is optimized, making it work, the combustion engine being in a retention mode, at those times when the tank is not full. This improves the life of the oxygen separator device.
    For safety reasons, the method may also comprise an additional step of at least partially evacuating the oxygen-enriched air accumulated in the at least one tank by means of a safety valve based on the pressure of the at least one particular tank. In this way, the safety valve can evacuate the enriched gas if necessary due to overpressure, for example, in case of error, impact, etc.
    Advantageously, the step of introducing the exhaust gases of the at least one engine of
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    combustion in the oxygen separating device may comprise a previous step of mixing the exhaust gases of the at least one combustion engine with an ambient gas.
    It should be noted that the ambient gas is the air coming from outside the vehicle and that it has previously passed through a filter. In addition, it is clarified that only oxygen enriched air or a mixture between ambient gas and oxygen enriched air can be introduced into the combustion engine.
    In the event that the engine output pressure is not sufficient or that there are long periods of time without the combustion engine operating mode being held, the step of introducing the exhaust gases of the at least one combustion engine into The oxygen separating device is by means of a compressor. In said additional compressor, only ambient gas, or a mixture of ambient gas with exhaust gases, or alternatively, only exhaust gases can enter.
    According to a second aspect, the present invention also relates to a process for managing oxygen enriched air for a vehicle to solve the same technical problem set forth, comprising the steps of:
    - determine the status of at least one combustion engine,
    - determine a required power,
    - manage the oxygen-enriched air accumulated in the at least one tank by means of a dispenser based on the state of the at least one determined combustion engine and the determined conduction mode, so that:
    if the state of at least one particular combustion engine comprises a
    Retention mode operation, the dispenser keeps the oxygen enriched air
    in the at least one deposit,
    if the state of at least one particular combustion engine comprises a
    operation in propulsion mode and the determined power required comprises a value lower than a second predefined value, the dispenser keeps the oxygen enriched air in the at least one tank, and
    if the state of at least one particular combustion engine comprises a
    operation in propulsion mode and the determined power required comprises a value equal to or greater than the second predefined value, the dispenser at least partially extracts the oxygen enriched air from the at least one tank, so that it comprises the steps of:
    - extract oxygen enriched air from at least one tank;
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    - introducing the oxygen enriched air into the at least one combustion engine.
    It should be noted that the dispenser also governs the amount of enriched gas that must be in the mixture, which will be introduced into the combustion chamber of the combustion engine. Thus, it manages the proportion between ambient gas and oxygen enriched air, that is, it is not a valve, but regulates the proportion according to needs.
    By way of example, if the determined power requirements are very high, the mixture introduced into the combustion chamber comprises only oxygen enriched air or, alternatively, a mixture between ambient gas and oxygen enriched air, where the oxygen enriched air It comprises an important proportion in said mixture.
    In this management procedure, the step of determining the required power may also advantageously comprise determining an additional power requirement based on a position of the acceleration pedal and / or a power delivered by the at least one combustion engine and / or a pair of at least one combustion engine delivered.
    It should be noted that when referring to delivered torque and delivered power, the difference between the torque delivered by the combustion engine and the torque demanded by the driver is analyzed, as well as the difference between the power delivered by the combustion engine and the power demanded by the driver. Thus, it is possible to determine if the conduction demand is higher than that supplied by the combustion engine. If it is not, a combustion of oxygen enriched air will be beneficial to balance and adapt its operation to the demand.
    In addition, the step of introducing the enriched gas into the at least one combustion engine may advantageously comprise a previous stage of mixing the oxygen enriched air with an ambient gas. That is, the introduction of the enriched gas can be carried out directly in the combustion chamber together with ambient gas or by mixing between both before the combustion chamber. Specifically, this mixture could be carried out in a normal air manifold, introducing said mixture subsequently to the combustion chamber of the thermal engine.
    The present invention also relates to a control unit comprising means adapted to execute the above obtaining procedure, and where the control unit
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    it comprises means adapted to execute the previous management procedure, where the control unit is in communication with the doser, with the valve and with the at least one combustion engine, and where the control unit can be integrated in the motor control unit vehicle.
    According to another aspect, to solve the same technical problem as the previous procedures, the invention also relates to a device for obtaining an oxygen enriched air in a vehicle, the vehicle comprising:
    - the at least one combustion engine,
    - the exhaust system,
    wherein the device for obtaining an oxygen enriched air comprises:
    - the oxygen separating device, where the oxygen separating device obtains an oxygen enriched gas,
    - the at least one deposit, where the at least one deposit accumulates the oxygen enriched air obtained in the oxygen separating device,
    - the valve, where the valve deflects the exhaust gases of the at least one combustion engine, and
    - the control unit, where the control unit is in communication with the valve and the at least one combustion engine.
    In addition, the device can advantageously comprise a safety valve, where the safety valve at least partially evacuates oxygen enriched air accumulated in the at least one reservoir.
    According to another aspect to solve the same technical problem as the previous procedures, the invention also relates to an oxygen enriched air management device in a vehicle, where the vehicle comprises the at least one combustion engine, and in which The obtaining device comprises:
    - the at least one deposit, where at least one deposit accumulates oxygen enriched gas,
    - the dispenser, where the dispenser manages the oxygen enriched air accumulated in the at least one tank, and
    - the control unit, where the control unit is in communication with the doser and the at least one combustion engine.
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    Brief description of the drawings
    To better understand what has been exposed, some drawings are combined in which, schematically and only by way of non-limiting example, a practical case of realization is represented.
    Figure 1 is a block diagram of the device for obtaining and managing oxygen enriched air according to the present invention.
    Description of a preferred embodiment
    As shown in Figure 1, in this embodiment depicted, the oxygen enriched air collection and management device comprises an air filter 1 in direct communication with a combustion engine 2 of a vehicle. Thus, as is conventional, the ambient air from outside the vehicle can be fed directly to the combustion engine 2, as will be explained later.
    In addition, the device according to the present invention comprises an oxygen separator 3, for example, a nitrogen filter, connected to said air filter 1. Furthermore, at the outlet of said oxygen separator 3 a tank 5 is arranged, in which oxygen enriched air from said oxygen separator 3 can be accumulated. The pressure inside said reservoir 5 can be controlled by a pressure sensor, and by means of a safety valve 10 the at least partially can be evacuated. oxygen enriched air accumulated in said tank 5 as a function of the pressure detected.
    Said tank 5 is connected to the combustion engine 2 of the vehicle by means of a dispenser 6, so that the oxygen enriched air accumulated in the tank 5 can be provided with the combustion engine 2 under the desired conditions, as will be described later.
    The device according to the present invention also optionally comprises a compressor 8 for introducing the ambient gas, or a mixture of ambient gas with exhaust gas from the combustion engine 2 to the oxygen separator 3 forcibly, if necessary. In addition, the device according to the present invention comprises a valve 7 that deflects the exhaust gases of the combustion engine 2 towards
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    an exhaust system 9 of the vehicle or towards the oxygen separator 3, as will be explained below.
    It should be noted that the device according to the present invention also comprises a control unit 4, for example, the engine control unit, which is in communication with the doser 6, with the valve 7 and with the combustion engine 2, to control Device operation.
    Next, two modes of operation are defined as a combustion engine 2, since they have an essential function in the process of the present invention:
    A propulsion mode operation occurs when fuel and air are injected, producing an explosive mixture, thus producing mechanical energy to propel the vehicle, while a retention mode operation occurs when no fuel is injected. This mode occurs in normal driving situations where the driver does not press the accelerator pedal. Also, when the vehicle is running and the engine is in hold mode, it acts as a brake.
    The procedure to obtain an oxygen enriched air is carried out as follows:
    First, a state of at least one combustion engine 2 is determined, to determine if the combustion engine 2 is in the propulsion mode or in the retention mode described above.
    Based on this determination, the combustion engine 2 exhaust gases are diverted by said valve 7.
    In this way, if it is determined that the combustion engine 2 is in the propulsion mode, the valve 7 deflects the exhaust gases of the combustion engine 2 towards the exhaust system 9.
    If, on the other hand, it is determined that the combustion engine 2 is in the retention mode, the valve 7 deflects the exhaust gases of the combustion engine 2 towards the oxygen separator device 3, introducing the exhaust gases of the combustion engine. combustion 2 in the oxygen separating device 3, and obtaining the enriched air in
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    oxygen by means of the oxygen separating device 3.
    If desired, before the introduction of the combustion engine 2 exhaust gases into the oxygen separator 3, these can be mixed with ambient gas, and said introduction can be forcedly carried out by the compressor 8.
    This oxygen enriched air advantageously accumulates in the tank 5, and the pressure exerted by the enriched gas inside the tank 5 is determined by a pressure sensor.
    Thus, if the pressure of the tank 5 is equal to or greater than a first predefined value, the valve 7 deflects the exhaust gases of the combustion engine 2 towards the exhaust system 9, and if the pressure of the tank 5 is less than First predefined value, the valve 7 deflects the combustion engine 2 exhaust gases towards the oxygen separator device 3.
    Furthermore, depending on the pressure detected in said tank 5, at least partially the oxygen enriched air accumulated in the tank 5 can be evacuated by means of the safety valve.
    For the management of said enriched gas, oxygen, in the first place, also determines the state of the combustion engine 2 between the propulsion mode and the retention mode, as described above.
    In addition, the power required by the combustion engine 2 is also determined. In determining the required power an additional power requirement is determined based on a position of the acceleration pedal and / or a power delivered by the combustion engine 2 and / or a pair of combustion engine 2 delivered.
    Based on the state of the combustion engine 2 determined and the required power determined, the oxygen-enriched air accumulated in the tank 5 is managed by the dispenser 6.
    Thus, if the state of the combustion engine 2 is the retention mode, the dispenser 6 maintains the oxygen enriched air in the tank 5, or if the state of the combustion engine 2 is the propulsion mode and the required power determined is
    Below a value at a predefined value, the dispenser 6 keeps the oxygen enriched air in the tank 5.
    On the contrary, if the state of the combustion engine 2 determined is the mode of propulsion and the determined power required is equal to or greater than the predefined value, the dispenser 6 at least partially extracts the gas enriched in the oxygen of the tank 5, and oxygen enriched air is introduced into the combustion engine 2.
    By way of example, if the driver of the vehicle demands a high engine torque, which is less than the engine torque delivered by the combustion engine, an oxygen enriched air intake by the doser 6 inside the combustion chamber of the Combustion engine 2 will have an advantageous effect to balance the delivered engine torque with the respondent.
    Preferably, before introducing the enriched gas into the combustion engine 2 the oxygen enriched air is mixed with the ambient gas.
    Although reference has been made to a specific embodiment of the invention, it is evident to one skilled in the art that the described devices and procedures are susceptible of numerous variations and modifications, and that all the mentioned details can be replaced by others. technically equivalent, without departing from the scope of protection defined by the appended claims.
    权利要求:
    Claims (15)
    [1]
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    1. Procedure for obtaining an oxygen enriched air in a vehicle, characterized in that it comprises the steps of:
    - determine a state of at least one combustion engine (2),
    - diverting exhaust gases from the at least one combustion engine (2) by means of a valve (7) based on the state of the at least one combustion engine (2) determined, so that:
    if the state of the at least one combustion engine (2) determined comprises propulsion mode operation, the valve (7) diverts the exhaust gases from the at least one combustion engine (2) to an exhaust system (9),
    if the state of the at least one combustion engine (2) determined comprises an operation in retention mode, the valve (7) deflects the exhaust gases of the at least one combustion engine (2) towards an oxygen separating device (3) , so that it comprises the stages of:
    - introducing the exhaust gases of the at least one combustion engine (2) into the oxygen separator device (3), and
    - obtain the oxygen enriched air by means of the oxygen separating device (3).
    [2]
    2. Method for obtaining an oxygen enriched air in a vehicle according to claim 1, characterized in that a propulsion mode operation comprises detecting an operation of at least one combustion engine (2) with a fuel injection.
    [3]
    3. Method for obtaining an oxygen enriched air in a vehicle according to claim 1, characterized in that an operation in retention mode comprises detecting an operation of at least one combustion engine (2) without a fuel injection.
    [4]
    4. Method for obtaining an oxygen enriched air in a vehicle according to claim 1, characterized in that it comprises an additional step of accumulating the oxygen enriched air in at least one tank (5).
    [5]
    5. Method for obtaining an oxygen enriched air in a vehicle according to claim 4, characterized in that it comprises an additional step of determining a pressure of at least one reservoir (5).
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    [6]
    Method for obtaining an oxygen enriched air in a vehicle according to claim 5, characterized in that the step of diverting the exhaust gases of the at least one combustion engine (2) by means of the valve (7) is additionally in based on the pressure of the at least one deposit (5) determined, so that:
    if the pressure of the at least one tank (5) is equal to or greater than a first predefined value, the valve (7) deflects the exhaust gases of the at least one combustion engine (2) towards the exhaust system (9), Y
    If the pressure of the at least one tank (5) is lower than the first predefined value, the valve (7) deflects the exhaust gases of the at least one combustion engine (2) towards the oxygen separating device (3).
    [7]
    7. Method for obtaining an oxygen enriched air in a vehicle according to claim 5, characterized in that it comprises an additional step of at least partially evacuating the oxygen enriched air accumulated in the at least one reservoir (5) by means of a valve safety (10) based on the pressure of the at least one deposit (5).
    [8]
    Method for obtaining an oxygen enriched air in a vehicle according to claim 1, characterized in that the step of introducing the exhaust gases of the at least one combustion engine (2) into the oxygen separating device (3) comprises a previous stage of mixing the exhaust gases of the at least one combustion engine (2) with an ambient gas.
    [9]
    9. Method for obtaining an oxygen enriched air in a vehicle according to claim 1, characterized in that the step of introducing the exhaust gases of the at least one combustion engine (2) into the oxygen separating device (3) is by medium of a compressor (8).
    [10]
    10. Oxygen enriched air management method for a vehicle obtained according to any of the preceding claims, characterized in that it comprises the steps of:
    - determine the status of at least one combustion engine (2),
    - determine a required power,
    - managing the oxygen enriched air accumulated in the at least one tank (5) by means of a dispenser (6) based on the state of the at least one combustion engine (2) determined and the determined conduction mode, so that :
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    if the state of the at least one combustion engine (2) determined comprises an operation in retention mode, the dispenser (6) keeps the oxygen enriched air in the at least one tank (5),
    if the state of the at least one combustion engine (2) determined comprises a propulsion mode operation and the determined power required comprises a value lower than a second predefined value, the dispenser (6) keeps the oxygen enriched air in the at least a deposit (5), and
    if the state of the at least one combustion engine (2) determined comprises propulsion mode operation and the determined power required comprises a value equal to or greater than the second predefined value, the doser (6) at least partially extracts the oxygen enriched air of at least one deposit (5), so that it comprises the steps of:
    - extract oxygen enriched air from at least one tank (5)
    - introduce the oxygen enriched air into the at least one combustion engine (2).
    [11]
    11. Oxygen enriched air management method for a vehicle according to claim 10, characterized in that the step of determining the required power comprises determining an additional power requirement based on an acceleration pedal position and / or a delivered power by the at least one combustion engine (2) and / or a pair of the at least one combustion engine (2) delivered.
    [12]
    12. Oxygen enriched air management method for a vehicle according to claim 10, characterized in that the step of introducing the enriched gas into the at least one combustion engine (2) comprises a previous stage of mixing the oxygen enriched air With an ambient gas.
    [13]
    13. Control unit (4) comprising means adapted to execute the process of obtaining an oxygen enriched air in a vehicle according to claim 1, and wherein the control unit (4) comprises means adapted to execute the management procedure of the oxygen enriched air according to claim 9, wherein the control unit (4) is in communication with the doser (6), with the valve (7) and with the at least one combustion engine (2).
    [14]
    14. Device for obtaining an oxygen enriched air in a vehicle according to any of claims 1-9 and 13, wherein the vehicle comprises:
    - the at least one combustion engine (2),
    - the exhaust system (9),
    characterized in that the device for obtaining an oxygen enriched air comprises:
    - the oxygen separating device (3), where the oxygen separating device (3) 5 obtains an oxygen enriched gas,
    - the at least one tank (5), where the at least one tank (5) accumulates the oxygen enriched air obtained in the oxygen separating device (3),
    - the valve (7), where the valve (7) deflects the exhaust gases of the at least one combustion engine (2), and
    10 - the control unit (4), where the control unit (4) is in communication with the valve
    (7) and the at least one combustion engine (2).
    [15]
    15. Device for managing an oxygen enriched air in a vehicle according to any of claims 10-12 and 13, wherein the vehicle comprises:
    15 - the at least one combustion engine (2)
    characterized in that the obtaining device comprises:
    - the at least one tank (5), where at least one tank (5) accumulates the oxygen-enriched gas,
    - the dispenser (6), where the dispenser (6) manage the oxygen enriched air 20 accumulated in the at least one tank (5), and
    - the control unit (4), where the control unit (4) is in communication with the doser (6) and the at least one combustion engine (2).
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    同族专利:
    公开号 | 公开日
    ES2619905B1|2018-02-16|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4587807A|1983-04-18|1986-05-13|Nagatoshi Suzuki|Apparatus for totally recycling engine exhaust gas|
    JPH03233166A|1990-02-06|1991-10-17|Suzuki Motor Corp|Oxygen enriching device for internal combustion engine|
    US20130247884A1|2012-03-26|2013-09-26|Ford Global Technologies, Llc|Method and apparatus for injecting oxygen within an engine|
    法律状态:
    2018-02-16| FG2A| Definitive protection|Ref document number: 2619905 Country of ref document: ES Kind code of ref document: B1 Effective date: 20180216 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201631689A|ES2619905B1|2016-12-27|2016-12-27|Procedure and device for obtaining and managing an oxygen-enriched air in a vehicle, and control unit comprising means adapted to execute said procedure.|ES201631689A| ES2619905B1|2016-12-27|2016-12-27|Procedure and device for obtaining and managing an oxygen-enriched air in a vehicle, and control unit comprising means adapted to execute said procedure.|
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