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    • 2. 再颁专利
    • Exhaust gas purification system of internal combustion engine
    • 内燃机废气净化系统
    • USRE42056E1
    • 2011-01-25
    • US09945835
    • 2001-09-05
    • Shusuke AkazakiKohei HanadaYuji YasuiTadashi SatohTakashi Haga
    • Shusuke AkazakiKohei HanadaYuji YasuiTadashi SatohTakashi Haga
    • F02M25/06
    • B01D53/9495B01D53/9445B01D53/9486B01D53/96B01D2253/108B01D2253/3425F01N3/0835F01N3/0871F01N3/0878F01N9/00F01N13/009F01N13/0097F01N2240/36F01N2250/12F01N2370/40F01N2410/00F01N2410/12F02D9/04F02D9/1055F02D21/08F02M26/15F02M26/46F02M26/49Y02T10/20Y02T10/22Y02T10/47
    • A system for purifying exhaust gas generated by an internal combustion engine including a bypass branching out from the exhaust pipe downstream of a catalyst and merging to the exhaust pipe, an adsorber installed in the bypass, a bypass valve member which closes the bypass, and an EGR conduit connected to the bypass at one end and connected to the air intake system for recirculating the exhaust gas to the air intake system. The bypass valve member is opened for a period after engine startup to introduce the exhaust gas such that the adsorber installed in the bypass adsorbs the unburnt HC component in the exhaust gas. The adsorber adsorbs the HC component when the exhaust temperature rises and the adsorbed component is recirculated to the air intake system through the EGR conduit. In the system, the bypass valve is provided at or close to the branching point in the exhaust pipe and a chamber is provided close to the branching point such that the conduit is connected to the bypass at the one end in the chamber. The bypass valve member is combined with an exhaust pipe valve member as a combination valve such that when the bypass valve member closes the bypass, the exhaust pipe valve member opens the exhaust pipe. With the arrangement, the system can effectively prevent the exhaust pipe from being clogged even when a valve for closing a bypass is stuck in the closed position. At the same time, the system can provide a relatively short EGR conduit for recirculating unburnt HC component adsorbed from the adsorber and the adsorption and desorption are conducted optimally.
    • 一种用于净化由内燃机产生的废气的系统,所述内燃机包括从催化剂下游的排气管分支出并与排气管并流的旁路,安装在旁路中的吸附器,关闭旁路的旁通阀构件,以及 EGR管道在一端连接到旁路,并连接到进气系统,用于将废气再循环到进气系统。 旁通阀构件在发动机启动后打开一段时间以引入废气,使得安装在旁路中的吸附器吸附废气中的未燃HC组分。 当排气温度升高时,吸附器吸附HC组分,吸附组分通过EGR导管再循环到进气系统。 在该系统中,旁通阀设置在排气管中的分支点处或其附近,并且在靠近分支点设置室,使得导管在腔室的一端连接到旁路。 旁通阀构件与作为组合阀的排气管阀构件组合,使得当旁通阀构件关闭旁路时,排气管阀构件打开排气管。 通过这样的结构,即使关闭旁路的阀卡在闭合位置,也能够有效地防止排气管堵塞。 同时,该系统可以提供相对较短的EGR导管,用于再循环吸附器吸附的未燃烧的HC组分,吸附和解吸是最佳的。
    • 5. 再颁专利
    • Exhaust gas purification system of internal combustion engine
    • USRE43588E1
    • 2012-08-21
    • US10800651
    • 2004-03-16
    • Shusuke AkazakiKohei HanadaYuji YasuiTadashi SatohTakashi Haga
    • Shusuke AkazakiKohei HanadaYuji YasuiTadashi SatohTakashi Haga
    • F02M25/06
    • B01D53/9495B01D53/9445B01D53/9486B01D53/96B01D2253/108B01D2253/3425F01N3/0835F01N3/0871F01N3/0878F01N9/00F01N13/009F01N13/0097F01N2240/36F01N2250/12F01N2370/40F01N2410/00F01N2410/12F02D9/04F02D9/1055F02D21/08F02M26/15F02M26/46F02M26/49Y02T10/20Y02T10/22Y02T10/47
    • A system for purifying exhaust gas generated by an internal combustion engine including a bypass branching out from the exhaust pipe downstream of a catalyst and merging to the exhaust pipe, an adsorber installed in the bypass, a bypass valve member which closes the bypass, and an EGR conduit connected to the bypass at one end and connected to the air intake system for recirculating the exhaust gas to the air intake system. The bypass valve member is opened for a period after engine startup to introduce the exhaust gas such that the adsorber installed in the bypass adsorbs the unburnt HC component in the exhaust gas. The adsorber adsorbs the HC component when the exhaust temperature rises and the adsorbed component is recirculated to the air intake system through the EGR conduit. In the system, the bypass valve is provided at or close to the branching point in the exhaust pipe and a chamber is provided close to the branching point such that the conduit is connected to the bypass at the one end in the chamber. The bypass valve member is combined with an exhaust pipe valve member as a combination valve such that when the bypass valve member closes the bypass, the exhaust pipe valve member opens the exhaust pipe. With the arrangement, the system can effectively prevent the exhaust pipe from being clogged even when a valve for closing a bypass is stuck in the closed position. At the same time, the system can provide a relatively short EGR conduit for recirculating unburnt HC component adsorbed from the adsorber and the adsorption and desorption are conducted optimally. A system for purifying exhaust gas generated by an internal combustion engine including a bypass branching out from the exhaust pipe downstream of a catalyst and merging to the exhaust pipe, an adsorber installed in the bypass, a bypass valve member which closes the bypass, and an EGR conduit connected to the bypass at one end and connected to the air intake system for recirculating the exhaust gas to the air intake system. The adsorber adsorbs the HC component in the exhaust gas when the exhaust gas temperature rises and the adsorbed component is recirculated to the air intake system through the EGR conduit. The bypass valve member is combined with an exhaust pipe vale member as a combination valve such that when the bypass valve member closes the bypass, the exhaust pipe valve member opens the exhaust pipe.
    • 6. 发明授权
    • Adsorption amount sensor and coking sensor for internal combustion engine
    • 内燃机吸附量传感器和焦化传感器
    • US06602471B1
    • 2003-08-05
    • US09568125
    • 2000-05-10
    • Masahiro SatoYoshihisa IwakiYuji YasuiTakashi HagaMasaki UenoTetsuo Endo
    • Masahiro SatoYoshihisa IwakiYuji YasuiTakashi HagaMasaki UenoTetsuo Endo
    • G01N3096
    • F01N3/0835F01N3/0814F01N13/009F01N2370/04F01N2560/028G01N27/043G01N27/221G01N33/0047Y10T436/21
    • There are provided an adsorption amount sensor which is capable of accurately detecting an amount of hydrocarbons or water adsorbed by a zeolite of a hydrocarbon adsorber, even during operation of an engine, as well as a coking sensor which is capable of accurately detecting an amount of coke deposition on inner surfaces of a pipe of an internal combustion engine, even during operation of an engine. The adsorption amount sensor has a plurality of electrodes arranged in the vicinity of the hydrocarbon adsorber in a manner opposed to each other and each carrying a zeolite thereon. The amount of hydrocarbons adsorbed is detected by using a parameter indicative of changes in at least one of a resistance value between the electrodes and an electrical capacitance between the electrodes. The coking sensor has a plurality of electrodes arranged within the pipe of the engine in a manner opposed to each other and each having a surface thereof coated with an insulating material. The amount of coke deposition is detected by using a parameter indicative of changes in at least one of a resistance value between the electrodes and an electrical capacitance between the electrodes.
    • 提供了一种吸附量传感器,其能够精确地检测碳氢化合物吸附器的沸石或发动机的操作期间吸附的烃的量,以及焦化传感器,该焦化传感器能够精确地检测 即使在发动机的运转期间,内燃机的管的内表面上的焦炭沉积。 吸附量传感器具有以彼此相对的方式布置在烃吸附器附近的多个电极,并且各自在其上承载沸石。 通过使用指示电极之间的电阻值和电极之间的电容中的至少一个的变化的参数来检测吸附的烃的量。 焦化传感器具有以彼此相对的方式布置在发动机的管内的多个电极,并且每个电极的表面涂覆有绝缘材料。 通过使用指示电极之间的电阻值和电极之间的电容中的至少一个的变化的参数来检测焦炭沉积量。
    • 8. 发明授权
    • Exhaust gas purification system of internal combustion engine
    • 内燃机废气净化系统
    • US5946906A
    • 1999-09-07
    • US975101
    • 1997-11-20
    • Shusuke AkazakiKohei HanadaYuji YasuiTadashi SatohTakashi Haga
    • Shusuke AkazakiKohei HanadaYuji YasuiTadashi SatohTakashi Haga
    • F02M25/07B01D53/94F01N3/08F01N3/24F01N9/00F01N13/02F02D9/04F02D21/08F01N3/00
    • B01D53/9495F01N13/009F01N13/0097F01N3/0835F01N3/0871F01N3/0878F01N9/00F02D21/08F02D9/04F02D9/1055F02M26/15B01D2253/108B01D2253/3425B01D53/9445B01D53/9486B01D53/96F01N2240/36F01N2250/12F01N2370/40F01N2410/00F01N2410/12F02M26/46F02M26/49Y02T10/20Y02T10/22Y02T10/47
    • A system for purifying exhaust gas generated by an internal combustion engine including a bypass branching out from the exhaust pipe downstream of a catalyst and merging to the exhaust pipe, an adsorber installed in the bypass, a bypass valve member which closes the bypass, and an EGR conduit connected to the bypass at one end and connected to the air intake system for recirculating the exhaust gas to the air intake system. The bypass valve member is opened for a period after engine startup to introduce the exhaust gas such that the adsorber installed in the bypass adsorbs the unburnt HC component in the exhaust gas. The adsorber adsorbs the HC component when the exhaust temperature rises and the adsorbed component is recirculated to the air intake system through the EGR conduit. In the system, the bypass valve is provided at or close to the branching point in the exhaust pipe and a chamber is provided close to the branching point such that the conduit is connected to the bypass at the one end in the chamber. The bypass valve member is combined with an exhaust pipe valve member as a combination valve such that when the bypass valve member closes the bypass, the exhaust pipe valve member opens the exhaust pipe. With the arrangement, the system can effectively prevent the exhaust pipe from being clogged even when a valve for closing a bypass is stuck in the closed position. At the same time, the system can provide a relatively short EGR conduit for recirculating unburnt HC component adsorbed from the adsorber and the adsorption and desorption are conducted optimally.
    • 一种用于净化由内燃机产生的废气的系统,所述内燃机包括从催化剂下游的排气管分支出并与排气管并流的旁路,安装在旁路中的吸附器,关闭旁路的旁通阀构件,以及 EGR管道在一端连接到旁路,并连接到进气系统,用于将废气再循环到进气系统。 旁通阀构件在发动机启动后打开一段时间以引入废气,使得安装在旁路中的吸附器吸附废气中的未燃HC组分。 当排气温度升高时,吸附器吸附HC组分,吸附组分通过EGR导管再循环到进气系统。 在该系统中,旁通阀设置在排气管中的分支点处或其附近,并且在靠近分支点设置室,使得导管在腔室的一端连接到旁路。 旁通阀构件与作为组合阀的排气管阀构件组合,使得当旁通阀构件关闭旁路时,排气管阀构件打开排气管。 通过这样的结构,即使关闭旁路的阀卡在闭合位置,也能够有效地防止排气管堵塞。 同时,该系统可以提供相对较短的EGR导管,用于再循环吸附器吸附的未燃烧的HC组分,吸附和解吸是最佳的。
    • 9. 发明授权
    • Oscillating internally meshing planetary gear system
    • 振动内啮合行星齿轮系统
    • US07819770B2
    • 2010-10-26
    • US11785398
    • 2007-04-17
    • Takashi HagaYo Tsurumi
    • Takashi HagaYo Tsurumi
    • F16H1/32
    • F16H1/32
    • An oscillating internally meshing planetary gear system is provided in order to improve basic performance and reduce cost at the same time. The oscillating internally meshing planetary gear system has an internal gear and external gears internally meshing with the internal gear and is configured such that one of the external gears and the internal gear is oscillatingly rotated by means of eccentric bodies formed in an input shaft (eccentric body shaft). The system includes: a sliding motion-facilitating member intervening between an outer periphery of the eccentric body and the oscillating gear; and an eccentric body shaft bearing supporting the eccentric body shaft. In addition to this, the eccentric body shaft bearing and the sliding motion-facilitating member have the same configuration.
    • 提供摆动式内啮合行星齿轮系统,以提高基本性能,同时降低成本。 振动内啮合行星齿轮系具有内齿轮和内齿轮啮合的外齿轮,并且构造成使得外齿轮和内齿轮中的一个通过形成在输入轴(偏心体)中的偏心体振动旋转 轴)。 该系统包括:滑动运动促进构件,其插入在偏心体的外周与摆动齿轮之间; 以及支承偏心体轴的偏心体轴承轴承。 除此之外,偏心体轴承轴承和滑动促动构件具有相同的构造。