CN109209619A - 车辆用空气供给装置和空气供给方法 - Google Patents

车辆用空气供给装置和空气供给方法 Download PDF

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CN109209619A
CN109209619A CN201711267267.7A CN201711267267A CN109209619A CN 109209619 A CN109209619 A CN 109209619A CN 201711267267 A CN201711267267 A CN 201711267267A CN 109209619 A CN109209619 A CN 109209619A
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air
flow channel
engine
vehicle
control unit
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李遇进
李元硕
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Hyundai Motor Co
Kia Corp
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Hyundai Motor Co
Kia Motors Corp
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B37/16Control of the pumps by bypassing charging air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002Controlling intake air
    • F02D41/0007Controlling intake air for control of turbo-charged or super-charged engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B37/16Control of the pumps by bypassing charging air
    • F02B37/164Control of the pumps by bypassing charging air the bypassed air being used in an auxiliary apparatus, e.g. in an air turbine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/06Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D11/00Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/04Introducing corrections for particular operating conditions
    • F02D41/08Introducing corrections for particular operating conditions for idling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/04Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/04Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F02M35/044Special arrangements of cleaners in or with respect to the air intake system, e.g. in the intake plenum, in ducts or with respect to carburettors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10006Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10209Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10229Fluid connections to the air intake system; their arrangement of pipes, valves or the like the intake system acting as a vacuum or overpressure source for auxiliary devices, e.g. brake systems; Vacuum chambers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02Arrangements of pumps or compressors, or control devices therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B2037/125Control for avoiding pump stall or surge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D11/00Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D2011/101Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
    • F02D2011/103Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles at least one throttle being alternatively mechanically linked to the pedal or moved by an electric actuator
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

根据本发明的车辆用空气供给装置可以包括:第一流动通道,其设置为连接在发动机和用于接收从空气净化器供给的空气的涡轮压缩机之间,并将从涡轮压缩机排出的压缩空气传输至发动机;第二流动通道,其设置为连接在空气净化器和空气压缩机之间,并将从空气净化器排出的空气传输至空气压缩机;第三流动通道,连接在第一流动通道和第二流动通道之间;以及安装在第三流动通道上的阀,以控制从第一流动通道传输至第二流动通道的空气量。

Description

车辆用空气供给装置和空气供给方法
相关申请的交叉引用
本申请要求于2017年6月30日提交的韩国专利申请第10-2017-0083184号的优先权,为了全部目的其全部内容通过引用而合并于此。
技术领域
本发明涉及一种提高空气压缩机效率的车辆用空气供给装置和空气供给方法。
背景技术
近来,安装在车辆上的发动机包括为了提高进气的装载效率,通过排气操作以对进气进行增压的涡轮增压器装置。
涡轮增压器构造为使安装在发动机排气管侧上的涡轮和安装在发动机进气管侧上的压缩机通过旋转轴彼此连接。当由发动机的运转产生的排气通过时,涡轮旋转,并且压缩机通过涡轮的旋转力与涡轮一起旋转,以对供给至进气装置的空气增压。
另一方面,一般应用于车辆的空气压缩机与发动机连接,并通过发动机的旋转而驱动以压缩空气。压缩空气储存在一个单独的空气罐中,并且供给至刹车、空气悬架、门等使用。
这种空气压缩机包括汽缸和头部,并且构造为通过汽缸的活塞往复运动来压缩从外部吸入的空气并储存在其中。压缩空气暂时地储存在单独布置的空气罐中,并且如果需要的话供给到合适的装置。
然而,空气压缩机是为了乘客的安全而设置的,因此,要求空气压缩机连续运转以保持空气罐处于预定压力。因此,使空气压缩机运转所消耗的功率巨大。
上述背景技术的说明仅出于促进对本发明的背景的理解的目的,而不应解释为对本说明是本领域技术人员已知的现有技术的承认。
发明内容
为了解决上述问题而提出本发明。本发明的一方面提供一种车辆用空气供给装置和空气供给方法,其通过控制将从涡轮压缩机排出的空气部分地供给至空气压缩机来提高空气压缩机的驱动效率。
为了实现上述方面,根据本发明的车辆用空气供给装置可以包括:第一流动通道,其设置为连接在发动机和用于接收从空气净化器供给的空气的涡轮压缩机之间,并将从涡轮压缩机排出的压缩空气传输至发动机;第二流动通道,其设置为连接在空气净化器和空气压缩机之间,并将从空气净化器排出的空气传输至空气压缩机;第三流动通道,其连接在第一流动通道和第二流动通道之间;以及安装在第三流动通道上的阀,以控制从第一流动通道传输至第二流动通道的空气量。
装置还可以包括:基于车辆状态或发动机负载而控制阀的打开或关闭的控制单元。
当车辆处于怠速状态时,控制单元控制阀打开,使得空气流过第三流动通道。
当发动机负载大于参考值时,控制单元控制阀关闭。
装置还可以包括:布置在第一流动通道上,同时布置在发动机与第三流动通道连接至第一流动通道的点之间的节流阀,并且根据加速器踏板的下压量进行操作。
为了实现上述方面,根据本发明的车辆用空气供给方法可以包括以下步骤:通过控制单元检查车辆状态;当检查结果显示车辆未处于怠速状态时,通过控制单元比较发动机负载和参考值;以及当比较结果显示发动机负载超过参考值时,通过控制单元控制阀关闭。
方法还可以包括以下步骤:当检查结果显示车辆处于怠速状态时,通过控制单元控制阀打开。
当比较结果显示发动机负载等于或小于参考值时,控制单元执行ON控制步骤。
根据具有上述结构的车辆用空气供给装置和空气供给方法,在怠速状态或低发动机负载的状态下,该装置将涡轮压缩机的剩余空气排出至空气压缩机,以便减少空气压缩机的工作量,并因此减少燃料消耗。
此外,在松开加速器踏板时,将流回到涡轮压缩机后端的空气朝向空气压缩机排出,从而使空气供给装置能够防止涡轮压缩机中的噪音、振动以及故障的发生。
附图说明
通过以下结合附图的详细说明,本发明的上述和其它方面、特征和优点将会更加明显,其中:
图1是示出根据本发明实施方式的车辆用空气供给装置的示意图。
图2是示出根据本发明实施方式的车辆用空气供给方法的流程图。
具体实施方式
在下文中,将参照附图来说明根据本发明实施方式的车辆用空气供给装置。
图1是示出根据本发明实施方式的车辆用空气供给装置的示意图。参照图1,车辆用空气供给装置可以包括:第一流动通道60,其设置为连接在发动机30和用于接收从空气净化器10供给的空气的涡轮压缩机20之间,并将从涡轮压缩机20排出的压缩空气传输至发动机30;第二流动通道70,其设置为连接在空气净化器10和空气压缩机40之间,并将从空气净化器10排出的空气传输至空气压缩机40;第三流动通道80,其连接在第一流动通道60和第二流动通道70之间;以及安装在第三流动通道80上的阀90,以控制从第一流动通道60传输至第二流动通道70的空气量。
发动机30吸入外部空气,将吸入的空气与燃料混合并燃烧,以便为车辆产生动力。
在这种情况下,当外部空气未经过滤吸入发动机30中,空气中含有的污染物流入到发动机30的燃烧室中,则可能降低发动机30的燃烧效率。因此,在将外部空气引入发动机30之前,有必要尽可能多的去除外部空气中包含的异物。
为此,空气净化器10用于过滤来自吸入的外部空气的杂质。换言之,在空气净化器10的内部形成过滤部件,并且使引入到空气净化器10的外部空气通过过滤部件以去除杂质。将通过空气净化器10净化的空气供给至发动机30或供给至空气压缩机40。
在本发明中,在空气净化器10和发动机30之间设置涡轮增压器,以提供空气增压性能。
换言之,将涡轮增压器构造为使得涡轮25与发动机30的排气侧连接,并且涡轮压缩机20与发动机30的进气侧连接。当涡轮25通过从发动机30排出的废气旋转时,相连的涡轮压缩机20与涡轮25一起旋转,以压缩从空气净化器10供给的空气。
将通过涡轮压缩机20压缩的空气供给至发动机30的汽缸,以便执行空气增压功能。
此外,车辆单独包括用于压缩从空气净化器10供给的空气的空气压缩机40。由空气压缩机40压缩的空气储存在空气罐50中,并且以强大的动力将储存在空气罐50中的压缩空气用于操作刹车、离合器等。
在这种情况下,空气压缩机40设置为直接与发动机齿轮进行运转,并且连续地运转以将空气罐50内的压力保持在预定水平。
本发明设置为将由涡轮压缩机20压缩的空气部分地传输至空气压缩机40,以便防止空气压缩机40在运转中消耗过多的功率。
因此,第三流动通道80配置成将第一流动通道60和第二流动通道70相互连接,所述第一流动通道60是用于将来自涡轮压缩机20的空气传输至发动机30的流动通道,所述第二流动通道70是用于将来自空气净化器10的空气传输至空气压缩机40的流动通道。通过阀90控制第三流动通道80的打开或关闭,使得从涡轮压缩机20排出的剩余空气传输至空气压缩机40的吸入口一侧,从而减少空气压缩机40的工作量,并因此降低燃料消耗。
具体地说,由于本发明具有能够仅通过单个管道和阀90而显示燃料消耗减少的效果的结构,所以本发明能够容易地应用于传统车辆。
此外,本发明可以进一步包括:布置在第一流动通道60上,同时布置在发动机30与第三流动通道80连接至第一流动通道60的点之间的节流阀95,并且根据加速器踏板的下压量进行操作。
换言之,在驾驶员将他/她的脚从加速器踏板上松开的松开状态下,节流阀95关闭并且不向发动机30供给空气。在这种情况下,由于涡轮压缩机20内的空气连续排出,涡轮压缩机20内的压力迅速上升,使得涡轮压缩机20的叶片可能受到冲击,或者可能发生噪音、振动和/或故障。根据本发明的第三流动通道80的构造,即使由于节流阀95的关闭而发生进气的反向流动,第三流动通道80也可以用于防喘振以朝向第二流动通道70排出进气。因此,第三流动通道80能够防止在涡轮压缩机20中产生噪音和振动。
同时,根据本发明的车辆用空气供给装置还可以包括:基于车辆状态或发动机负载而控制阀90的打开或关闭的控制单元(未示出)。
换言之,控制单元感知车辆数据,例如车辆驱动模式和发动机负载,并基于感知的数据控制阀90是打开或是关闭,以便控制将由涡轮压缩机20压缩的空气在适当的情况下引入到空气压缩机40中。
特别是,当车辆处于怠速状态时,控制单元可以控制阀90打开,使得空气流过第三流动通道80。
换言之,当车辆处于怠速状态时,发动机30不需要大量的压缩空气。然而,由于涡轮压缩机20通过排气连续地进行运转,所以控制单元打开阀90,将从涡轮压缩机20排出的多余的压缩空气传输至空气压缩机40,从而更容易地协助空气压缩机40保持空气罐50的压力。
因此,可以减少空气压缩机40在运转中的功率消耗,并从而可以减少燃料消耗。
此外,当发动机负载超过参考值时,控制单元可以控制阀90关闭。
换言之,由于发动机30在车辆的发动机负载增加的高负载状态下需要相对大量的增压空气,所以控制单元关闭阀90以防止发动机性能恶化,从而防止增压空气逸出至空气压缩机40。
相反,在车辆的发动机负载不高的低负载状态下,与高负载状态相比,发动机30需要相对少量的增压空气。因此,控制单元打开阀90以将剩余空气传输至空气压缩机40。
参考值是设置成用于确定发动机负载是处于高负载或是低负载状态的指标的值,可以根据车辆和设计者而可变地设定,并因此不应限定于特定的值。
在下文中,将参照附图来说明根据本发明实施方式的车辆用空气供给方法。
图2是示出根据本发明实施方式的车辆用空气供给方法的流程图。参照图1和图2,根据本发明的车辆用空气供给方法可以包括以下步骤:通过控制单元(未示出)检查车辆状态(S100);当检查结果显示车辆未处于怠速状态时(S100),通过控制单元来比较发动机负载和参考值(S110);以及当比较结果显示发动机负载超过参考值时(S110),通过控制单元控制阀90关闭(S120)。
此外,该方法还可以包括以下步骤:当检查结果显示车辆处于怠速状态时(S100),通过控制单元控制阀打开(S130)。
当比较结果显示发动机负载等于或小于参考值时(S110),控制单元执行ON控制步骤(S130)。
根据具有上述结构的车辆用空气供给装置,在怠速状态或低负载状态下,该装置将涡轮压缩机的剩余空气排出至空气压缩机,以便减少空气压缩机的工作量,并从而减少燃料消耗。
此外,在松开加速器踏板时,将流回到涡轮压缩机后端的空气朝向空气压缩机排出。因此,空气供给装置能够防止回流的空气与涡轮压缩机碰撞而产生噪音和振动或破坏叶片。
尽管就本发明的特定实施方式而言已经示出和描述了本发明,但是对于本领域技术人员显而易见的是,在不脱离所附权利要求所提供的本发明的技术构思的情况下,可以对本发明进行各种修改和变化。

Claims (8)

1.一种车辆用空气供给装置,其包括:
第一流动通道,其设置为连接在发动机和用于接收从空气净化器供给的空气的涡轮压缩机之间,并将从所述涡轮压缩机排出的压缩空气传输至所述发动机;
第二流动通道,其设置为连接在所述空气净化器和空气压缩机之间,并将从所述空气净化器排出的空气传输至所述空气压缩机;
第三流动通道,其连接在所述第一流动通道和所述第二流动通道之间;以及
安装在所述第三流动通道上的阀,以控制从所述第一流动通道传输至所述第二流动通道的空气量。
2.如权利要求1所述的装置,其还包括:
基于车辆状态或发动机负载而控制所述阀的打开或关闭的控制单元。
3.如权利要求2所述的装置,其中:
当车辆处于怠速状态时,所述控制单元控制所述阀打开,使得空气流过所述第三流动通道。
4.如权利要求2所述的装置,其中:
当发动机负载大于参考值时,所述控制单元控制所述阀关闭。
5.如权利要求1所述的装置,其还包括节流阀,所述节流阀设置在所述第一流动通道上,同时设置在所述发动机与所述第三流动通道连接至所述第一流动通道的点之间,并且根据加速器踏板的下压量进行操作。
6.如权利要求2所述车辆用的空气供给方法,所述空气供给方法包括以下步骤:
通过控制单元检查车辆状态;
当检查结果显示车辆未处于怠速状态时,通过所述控制单元比较发动机负载和参考值;以及
当比较结果显示发动机负载超过参考值时,通过所述控制单元控制所述阀关闭。
7.如权利要求6所述的方法,其还包括以下步骤:
当检查结果显示车辆处于怠速状态时,通过所述控制单元控制所述阀打开。
8.如权利要求7所述的方法,其中,
当比较结果显示发动机负载等于或小于参考值时,所述控制单元执行ON控制步骤。
CN201711267267.7A 2017-06-30 2017-12-05 车辆用空气供给装置和空气供给方法 Pending CN109209619A (zh)

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