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    • 1. 发明授权
    • Method and apparatus for controlling vehicular air-conditioning system
    • 车辆空调系统控制方法及装置
    • US5983650A
    • 1999-11-16
    • US146078
    • 1998-09-02
    • Hiroyuki AndoKotaro MiyashitaFumio HaraHirofumi Hara
    • Hiroyuki AndoKotaro MiyashitaFumio HaraHirofumi Hara
    • B60H1/32F02D29/04
    • B60H1/3208F02D29/04
    • In order to effectively perform on/off control for an air-conditioning system carried on an automobile during idling operation of the automobile, if a state, in which a difference between a target idling number of revolution and a net idling number of revolution is larger than a preset difference value, is continued for a preset period of time, then an electromagnetic clutch is disconnected, and a compressor is allowed to be in an operation stop state. After that, if the difference is smaller than the preset difference value, and a state, in which the difference is smaller than the preset difference value, is continued for a preset period of time, then the electromagnetic clutch is connected, and the compressor is restored to be in an operating state. By doing so, it is possible to previously avoid the occurrence of vibration of the vehicle body due to vibration of the engine, and the occurrence of booming noise in the vehicle's cabin caused by the vibration. The air-conditioning system is automatically restored to be in the operating state when it is judged that the state of the engine is restored. Therefore, the convenience of use of the air-conditioning system is improved.
    • 为了在空转怠速运转中对汽车上的空调系统进行有效的开/关控制,如果目标怠速转数和净怠速转数之间的差较大的状态 比预设差值继续预定的时间段,则断开电磁离合器,并且允许压缩机处于操作停止状态。 之后,如果差值小于预设差值,并且将差异小于预设差值的状态持续预定时间段,则电磁离合器连接,压缩机 恢复到运行状态。 通过这样做,可以预先避免由于发动机的振动引起的车身振动的发生,以及由振动引起的车厢内出现的蓬勃发展的噪音。 当判断发动机的状态恢复时,空调系统自动恢复到运转状态。 因此,提高了空调系统的使用方便性。
    • 3. 发明授权
    • Air bypass valve failure detection device in supercharging device for engine
    • 发动机增压装置中的旁通阀故障检测装置
    • US07578128B2
    • 2009-08-25
    • US11878117
    • 2007-07-20
    • Atsuhiro MiyauchiHirofumi HaraKazuhiko ImamuraYoshinori Andou
    • Atsuhiro MiyauchiHirofumi HaraKazuhiko ImamuraYoshinori Andou
    • F02B33/00
    • F02D41/221F02B37/16F02D41/0007F02D2200/0406Y02T10/144
    • An air bypass valve failure detecting device outputs an opening command to an air bypass valve when a throttle valve suddenly closes, thereby prevent surging from occurring in a second intake passage between a turbocharger and a throttle valve. When the opening command is outputted to the air bypass valve, failure detection for the air bypass valve is permitted only if an intake air quantity of an engine immediately before a closing command is changed to the opening command is equal to or larger than a predetermined value. Thus, it is possible to prevent the failure detecting device from erroneously determining that the air bypass valve is normal although valve closing failure of the air bypass valve has occurred. This is because, when the intake air quantity is smaller than the predetermined value, surging does not occur in the second intake passage even if the valve closing failure of the airy bypass valve has occurred.
    • 当节气门突然闭合时,空气旁通阀故障检测装置向空气旁通阀输出打开命令,从而防止在涡轮增压器和节流阀之间的第二进气通道中发生喘振。 当打开命令被输出到空气旁通阀时,只有紧接关闭命令之前的发动机的进气量改变为打开命令,才允许空气旁通阀的故障检测等于或大于预定值 。 因此,尽管发生了空气旁通阀的关闭故障,但是可以防止故障检测装置错误地确定空气旁通阀是正常的。 这是因为,当进气量小于预定值时,即使发生通风旁通阀的关闭故障,也不会在第二进气通道中产生喘振。
    • 8. 发明申请
    • Abnormality determination apparatus and method for blow-by gas feedback device, and engine control unit
    • 用于窜气反馈装置和发动机控制单元的异常确定装置和方法
    • US20080058994A1
    • 2008-03-06
    • US11896341
    • 2007-08-31
    • Masaki TsudaAtsushi IzumiuraEisaku GosyoHirofumi Hara
    • Masaki TsudaAtsushi IzumiuraEisaku GosyoHirofumi Hara
    • G05D7/00F02M35/10G01M19/00
    • F02D41/221F02D41/18F02M25/06F02M26/53
    • An abnormality determination apparatus and method for a blow-by gas feedback device, and an engine control unit are provided for improving the accuracy of abnormality determination even when an intake air amount controller is provided in an intake system at a location downstream of a joint of a blow-by gas passage. The blow-by gas feedback device feeds a blow-by gas back to an intake system of an internal combustion engine through a blow-by gas passage connected to the intake system through a joint. The abnormality determination apparatus comprises an intake air amount sensor provided in the intake system at a location upstream of the joint for detecting an intake air amount, an intake air amount controller provided in the intake system at a location downstream of the joint for controlling the intake air amount, and an ECU for determining an abnormality of the blow-by gas feedback device based on the intake air amount detected by the intake air amount sensor after the intake air amount has changed due to the operation of the intake air amount controller.
    • 提供了一种用于窜气反馈装置的异常判定装置和方法以及发动机控制单元,用于提高异常判定的精度,即使当进气系统中在进气系统中的下游位置处的进气系统中 一个窜气通道。 窜气反馈装置通过连接到进气系统的窜气通道将窜气输送回内燃机的进气系统。 异常判定装置包括:进气系统,设置在进气系统的上游侧的位置处,用于检测进气量;进气系统,其设置在进气系统的下游位置,用于控制进气口 空气量,以及用于根据进气量控制器的操作使进气量传感器检测到的进气量由进气量控制器的运转而改变后,根据由进气量传感器检测到的进气量来判定窜气反馈装置的异常的ECU。
    • 9. 发明授权
    • Vacuum treating method and apparatus
    • 真空处理方法及装置
    • US4733746A
    • 1988-03-29
    • US874934
    • 1986-06-16
    • Hiroyoshi NozakiHiroo EbisawaHirofumi Hara
    • Hiroyoshi NozakiHiroo EbisawaHirofumi Hara
    • H01J37/18B05C11/00B01J19/08B01J19/12C23C14/00
    • H01J37/185
    • A vacuum treating method and apparatus wherein preliminary vacuum chambers which are charged with and discharged therefrom materials to be treated are arranged on both sides of a vacuum treating chamber such that the preliminary vacuum chambers are switchingly communicated with and disconnected from the vacuum treating chamber; the materials are alternately moved between both the preliminary vacuum chambers and the vacuum treating chamber and are subject to vacuum treatment for a predetermined period of time in the vacuum treatment for a predetermined period of time in the vacuum treating chamber; wherein when a material to be treated has been charged from one preliminary vacuum chamber to the vacuum treating chamber and a treated materiala has been discharged from the vacuum treating chamber to the other preliminary chamber, the vacuum treating chamber and both the preliminary vacuum chambers are disconnected from each other, then the pressure within the vacuum treating chamber is reduced to a required degree of vacuum and the pressure with the one preliminary vacuum chamber is reduced to a degree of vacuum higher than that required for vacuum treatment, and in the other preliminary vacuum chamber, after a treated material has been discharged out and a new material to be treated has been charged, the pressure reduction is initiated from an atmospheric state; and wherein after vacuum treatment has been made in the vacuum treating chamber, the vacuum treating chamber and both the preliminary vacuum chambers are brought into communication with each other to move the materials therebetween.
    • 一种真空处理方法和装置,其特征在于,在真空处理室的两侧设置有预处理真空室,其中装有待处理材料和从其排出的真空室,使得所述预真空室与所述真空处理室切换地连通和断开; 这些材料在预真空室和真空处理室之间交替移动,并且在真空处理室中在真空处理中经过预定时间在预定时间内进行真空处理; 其中当待处理材料从一个预真空室装入真空处理室中时,处理过的材料a已从真空处理室排出到另一预备室时,真空处理室和两个初级真空室被断开 然后将真空处理室内的压力降低到所要求的真空度,并且将一个预真空室的压力降低到比真空处理所需的真空度更高的真空度,而在其它初步真空中 在经过处理的材料被排出并且待处理的新材料已经被充电之后,从大气状态开始减压; 并且其中在真空处理室中进行了真空处理之后,使真空处理室和两个初级真空室彼此连通以在其间移动材料。
    • 10. 发明申请
    • CATALYST DETERIORATION DETERMINATION DEVICE AND METHOD, AND ENGINE CONTROL UNIT
    • 催化剂测定装置和方法以及发动机控制单元
    • US20100031632A1
    • 2010-02-11
    • US12512614
    • 2009-07-30
    • Jun IIDADaisuke SatoHirofumi Hara
    • Jun IIDADaisuke SatoHirofumi Hara
    • F01N11/00
    • F01N3/0885F01N3/0842F01N3/0871
    • A catalyst deterioration determination device capable of determining whether or not fuel is high-sulfur fuel containing much sulfur content, and properly determining whether a catalyst is deteriorated while suppressing the frequency of execution of control for recovering the catalyst from the poisoned state to the minimum. The device determines whether or not a catalyst which purifies exhaust gases exhausted from an internal combustion engine is deteriorated based on the capacity of the catalyst for purifying exhaust gases. If it is determined that the catalyst is deteriorated, first sulfur elimination control is executed for eliminating sulfur content accumulated in the catalyst. Further, when the first sulfur elimination control is terminated, the deterioration determination of the catalyst is executed. Then, when it is determined by the deterioration determination that the catalyst is not deteriorated, it is determined that the fuel is high-sulfur fuel containing lots of sulfur content.
    • 一种催化剂劣化判定装置,其能够确定燃料是否含有大量硫含量的高硫燃料,并且适当确定催化剂是否劣化,同时将催化剂回收控制的执行次数从中毒状态抑制到最小。 该装置基于用于净化废气的催化剂的能力来确定净化从内燃机排出的废气的催化剂是否劣化。 如果确定催化剂劣化,则执行第一次硫消除控制以消除催化剂中累积的硫含量。 此外,当第一硫消除控制终止时,执行催化剂的劣化确定。 然后,当通过劣化测定确定催化剂不劣化时,确定燃料是含有大量硫含量的高硫燃料。