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    Air-fuel ratio control apparatus for engine
    1.
    发明授权
    Air-fuel ratio control apparatus for engine 失效
    发动机空燃比控制装置

    公开(公告)号：US5154053A

    公开(公告)日：1992-10-13

    申请号：US690825

    申请日：1991-04-26

    申请人： Kazumi Ishida ,  Hiroshi Haraguchi ,  Toshio Kondo

    发明人： Kazumi Ishida ,  Hiroshi Haraguchi ,  Toshio Kondo

    IPC分类号： F02B1/04 ,  F02D19/02 ,  F02D41/14 ,  F02M21/02

    CPC分类号： F02D41/1441 ,  F01N2240/20 ,  F02B1/04

    摘要： An air-fuel ratio control apparatus in which an air-fuel ratio of a mixture gas supplied to an engine, especially, a gas engine, is controlled in accordance with an output signal of each of oxygen concentration sensors disposed in upper and lower streams of an exhaust gas catalyzer of the engine. The output signal of the oxygen concentration sensor disposed on the upper stream side of the catalyzer is provided as one input signal of an air-fuel ratio control unit and the output signal of the oxygen concentration sensor disposed on the lower stream side of the catalyzer is provided as an input signal of an output signal correction amount determination unit, respectively. A mixing member for mixing an exhaust gas is disposed in an upper stream of each oxygen concentration sensor to detect the concentration of oxygen in the exhaust gas which is well mixed. The air-fuel ratio control unit controls an air-fuel ratio of a mixture gas in accordance with the output signal of the oxygen concentration sensor disposed on the upper stream side of the catalyzer and an output signal correction amount which is an output signal of the output signal correction amount determination unit. Since the exhaust gas is sufficiently mixed by the mixing member, variations of a measured value caused by the attachment position of each oxygen concentration sensor ar eliminated, thereby making it possible to control the air-fuel ratio of the mixture gas to a value close to a theoretical air-fuel ratio with a satisfactory precision.

    摘要翻译： 一种空燃比控制装置，其中，根据设置在上游和下游的各个氧浓度传感器的输出信号来控制供应到发动机，特别是燃气发动机的混合气体的空燃比 发动机的废气催化器。 设置在催化剂的上游侧的氧浓度传感器的输出信号被设置为空燃比控制单元的一个输入信号，并且设置在催化器的下游侧的氧浓度传感器的输出信号为 分别作为输出信号校正量确定单元的输入信号提供。 在每个氧浓度传感器的上游设置有用于混合排气的混合部件，以检测排出气体中的氧气的浓度。 空燃比控制单元根据设置在催化剂的上游侧的氧浓度传感器的输出信号和作为输出信号的输出信号的输出信号校正量来控制混合气体的空燃比 输出信号校正量确定单元。 由于废气通过混合部件充分混合，消除了由每个氧浓度传感器ar的安装位置引起的测量值的变化，从而可以将混合气体的空燃比控制在接近于 理论空燃比具有令人满意的精度。

    Air-fuel ratio control apparatus for engine
    2.
    发明授权
    Air-fuel ratio control apparatus for engine 失效
    发动机空燃比控制装置

    公开(公告)号：US5251438A

    公开(公告)日：1993-10-12

    申请号：US916268

    申请日：1992-07-21

    申请人： Kazumi Ishida ,  Hiroshi Haraguchi ,  Toshio Kondo

    发明人： Kazumi Ishida ,  Hiroshi Haraguchi ,  Toshio Kondo

    IPC分类号： F02B1/04 ,  F02D41/14 ,  F01N3/20

    CPC分类号： F02D41/1441 ,  F01N2240/20 ,  F02B1/04

    摘要： An air-fuel ratio feedback control apparatus for a gas engine. A mixer mixes intake air and a fuel gas. A subsidiary supply path supplies at least one of the intake air and the fuel gas downstream of the mixer. Oxygen concentration sensors detect a concentration of oxygen in an exhaust gas; and operation condition detectors detect operating conditions of the gas engine. A basic amount setting unit sets a basic amount of at least one of the intake air and the fuel gas supplied through the subsidiary supply path. A correction amount setting unit sets a correction amount proportional to a total fuel gas supply rate, and a control amount setting unit for setting a control amount of at least one of the intake air and the fuel gas supplied through the subsidiary supply path by adding the basic amount and the correction amount together, whereby the air-fuel ratio of the gas engine can be controlled at a desired value even when a bypass supply ratio of the fuel gas varies.

    摘要翻译： 一种用于燃气发动机的空燃比反馈控制装置。 混合器混合进气和燃气。 辅助供应路径在混合器下游供应进气和燃料气体中的至少一个。 氧浓度传感器检测废气中的氧浓度; 并且操作条件检测器检测燃气发动机的运行状况。 基本量设定单元设定通过辅助供给路径供给的吸入空气和燃料气体中的至少一个的基本量。 校正量设定单元设定与总燃料气体供给量成比例的校正量，以及控制量设定单元，用于设定通过辅助供给路径供给的吸入空气和燃料气体中的至少一个的控制量， 基本量和校正量，由此即使当燃料气体的旁路供应比变化时，也可以将气体发动机的空燃比控制在期望值。

    Air fuel ratio control apparatus for an internal combustion engine
    3.
    发明授权
    Air fuel ratio control apparatus for an internal combustion engine 失效
    用于内燃机的空燃比控制装置

    公开(公告)号：US5417060A

    公开(公告)日：1995-05-23

    申请号：US169762

    申请日：1993-12-20

    申请人： Kazumi Ishida ,  Hiroshi Haraguchi ,  Masakazu Hishinuma ,  Akio Fujiwara

    发明人： Kazumi Ishida ,  Hiroshi Haraguchi ,  Masakazu Hishinuma ,  Akio Fujiwara

    IPC分类号： F02B1/04 ,  F02D41/14 ,  F01N3/20

    CPC分类号： F02D41/1441 ,  F01N2550/02 ,  F02B1/04

    摘要： An air fuel ratio controlling apparatus for an internal combustion engine, comprises: a catalytic converter, provided in an exhaust system for purifying an exhaust gas of the engine; a first oxygen density sensor, provided upstream from the catalytic converter in the exhaust system, responsive to a first oxygen density of a first exhaust gas of the engine for detecting whether an air fuel ratio of the engine is in a rich condition or a lean condition with respect to a theoretical air fuel ratio of the engine; a second oxygen density sensor, provided downstream from the catalytic converter in the exhaust system, responsive to a second oxygen density of a second exhaust gas passed through the catalytic converter for detecting whether the air fuel ratio of the engine is in a rich or a lean condition with respect to a theoretical air fuel ratio of the engine; and an air fuel ratio control portion for controlling the air fuel ratio in accordance with the detection results of the first and second oxygen sensors, wherein; the first oxygen sensor has a function for oxidizing and reducing a specific component more powerful than that of the second oxygen density sensor.

    摘要翻译： 一种用于内燃机的空燃比控制装置，包括：催化转化器，设置在用于净化发动机废气的排气系统中; 第一氧浓度传感器，其设置在排气系统中的催化转化器的上游，响应于发动机的第一排气的第一氧气密度，用于检测发动机的空燃比是处于浓气条件还是贫条件 相对于发动机的理论空燃比; 第二氧浓度传感器，其设置在排气系统中的催化转化器的下游，响应于通过催化转化器的第二废气的第二氧气密度，用于检测发动机的空燃比是富或稀 相对于发动机的理论空燃比的条件; 以及空燃比控制部，其根据所述第一氧传感器和所述第二氧传感器的检测结果来控制所述空燃比，其中， 第一氧传感器具有比第二氧浓度传感器更强大的氧化和还原特定成分的功能。

    Synthetic resin molding apparatus
    4.
    发明授权
    Synthetic resin molding apparatus 失效
    合成树脂成型装置

    公开(公告)号：US5044919A

    公开(公告)日：1991-09-03

    申请号：US446450

    申请日：1989-12-05

    申请人： Nozomu Hama ,  Takaaki Sato ,  Akihiko Koshiro ,  Masao Tegawa ,  Tomio Iino ,  Seiji Yanagisawa ,  Nobuo Kikuchi ,  Kazuo Migishima ,  Kazumi Ishida

    发明人： Nozomu Hama ,  Takaaki Sato ,  Akihiko Koshiro ,  Masao Tegawa ,  Tomio Iino ,  Seiji Yanagisawa ,  Nobuo Kikuchi ,  Kazuo Migishima ,  Kazumi Ishida

    IPC分类号： B29C33/26 ,  B29C33/36 ,  B29C44/12 ,  B29C44/58

    CPC分类号： B29C33/26 ,  B29C33/36 ,  B29C44/1271 ,  B29C44/582 ,  B29C2033/207 ,  B29L2031/3008

    摘要： An apparatus for molding a product such as an automotive instrument panel of synthetic resin has a first station including a mechanism for opening and closing a mold assembly, a second station including a mechanism for pouring a resin solution into the mold assembly which is closed, and a third station for hardening the poured resin solution in the mold assembly. A feed mechanism interconnects the first, second, and third stations in a looped configuration for circulating at least three mold assemblies through the first, second, and third stations. The mold assembly includes a first mold die for placing therein a covering sheet of a predetermined shape, a second mold die combinable with the first mold die to define a mold cavity therebetween, and a mechanism for pouring a resin foam solution into the mold cavity to form a molding integral with the covering sheet.

    摘要翻译： 用于模制合成树脂的汽车仪表板的产品的装置具有包括用于打开和关闭模具组件的机构的第一站，包括用于将树脂溶液倾倒到关闭的模具组件中的机构的第二站，以及 用于在模具组件中硬化浇注的树脂溶液的第三工位。 进给机构以环形结构将第一，第二和第三站相互连接，以便通过第一，第二和第三站循环至少三个模具组件。 模具组件包括用于在其中放置预定形状的覆盖片的第一模具模具，可与第一模具组合的第二模具模具，以在其间限定模腔;以及用于将树脂泡沫溶液浇注到模腔中的机构， 形成与覆盖片一体成型。