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    • 31. 发明申请
    • Air fuel ratio detection apparatus
    • 空燃比检测装置
    • US20070119437A1
    • 2007-05-31
    • US11604218
    • 2006-11-27
    • Masamichi HiraiwaTakeshi KawaiSatoshi TeramotoShigeki MoriHiroshi Inagaki
    • Masamichi HiraiwaTakeshi KawaiSatoshi TeramotoShigeki MoriHiroshi Inagaki
    • G01N27/41
    • G01N27/419
    • Using a gas detection voltage Vs output from a terminal CU, a determination is made at to whether, after startup of an air-fuel ratio detection apparatus (1), a full-range air-fuel ratio sensor (10) has reached a semi-activated state in which a determination can be made as to whether the air-fuel ratio is on the rich or lean side based on a change in a gas detection signal Vic. After determining that the sensor has reached the semi-activated state, the signal Vic is compared with a threshold to determine whether the air-fuel ratio is on the rich or lean side. In the apparatus (1), the potential difference between an outer pump electrode of a pump cell (14) and a reference electrode of an oxygen concentration measurement cell (24) is obtained via a first differential amplification circuit (53) as the gas detection signal Vic, the signal Vic being highly responsive to a change in air-fuel ratio of exhaust gas.
    • 使用从端子CU输出的气体检测电压Vs,判定在空燃比检测装置(1)启动后,全范围空燃比传感器(10)到达半空 基于气体检测信号Vic的变化,能够进行空燃比是富气还是偏侧的判定。 在确定传感器已经达到半激活状态之后,将信号Vic与阈值进行比较,以确定空燃比是富有还是偏侧。 在装置(1)中,通过作为气体检测器的第一差分放大电路(53)获得泵电池(14)的外泵电极与氧浓度测定电池(24)的参比电极之间的电位差 信号Vic,信号Vic对废气的空燃比变化高度响应。
    • 33. 发明申请
    • Gas detection apparatus, gas-sensor control circuit used for gas detection apparatus, and inspection method for gas detection apparatus
    • 用于气体检测装置的气体检测装置,气体传感器控制电路以及气体检测装置的检查方法
    • US20060219553A1
    • 2006-10-05
    • US11391366
    • 2006-03-29
    • Norikazu IedaHiroshi Inagaki
    • Norikazu IedaHiroshi Inagaki
    • G01N27/26
    • G01N27/4065G01N33/007
    • A gas detection apparatus including a gas sensor element and a gas-sensor control circuit. The gas sensor element includes at least one sensor cell including a solid electrolyte member and a pair of electrodes, and external connection terminals electrically connected to the electrodes. The gas-sensor control circuit includes control terminals electrically connected to respective external connection terminals of the gas sensor element, an inspection current supply circuit for supplying an inspection current to an inspected terminal, which is a control terminal to be inspected for presence or absence of a short circuit to a predetermined potential, an inspection potential measurement circuit for measuring the potential of the inspected terminal, and an uninspected terminal impedance increasing circuit for increasing the impedance of the gas-sensor control circuit as viewed from an uninspected terminal, which is a control terminal other than the inspected terminal.
    • 一种气体检测装置,包括气体传感器元件和气体传感器控制电路。 气体传感器元件包括至少一个包括固体电解质构件和一对电极的传感器单元,以及电连接到电极的外部连接端子。 气体传感器控制电路包括电气连接到气体传感器元件的各个外部连接端子的控制端子,用于向作为要检查的控制端子的被检测端子提供检查电流的检查电流供应电路, 用于测量被检测终端的电位的检查电位测量电路,以及用于增加气体传感器控制电路的阻抗的非预期的端子阻抗增加电路,从未预期的端子 除被检终端外的控制终端。
    • 34. 发明申请
    • Gas detecting system
    • 气体检测系统
    • US20050161325A1
    • 2005-07-28
    • US11042089
    • 2005-01-26
    • Yoshinori InoueNorikazu IedaMasahiro TanakaHiroshi Inagaki
    • Yoshinori InoueNorikazu IedaMasahiro TanakaHiroshi Inagaki
    • G01N27/407G01N27/26
    • G01N27/4062G01N27/407
    • A gas detecting system comprises: a sensor element including: an oxygen pump cell comprising a first oxygen ion conducting solid electrolyte layer between a first pair of electrodes; an oxygen concentration measuring cell comprising a second oxygen ion conducting solid electrolyte layer between a second pair of electrodes; and a measurement chamber between the oxygen pump cell and the oxygen concentration measurement cell; a plurality of lead wires connected with the first and second pairs of electrodes; and a control unit electrically connected with the electrodes through the lead wires, wherein the lead wires includes a common lead wire connected with electrodes confronting the measurement chamber of the first and second pairs of electrodes, and wherein the common lead wire has a portion to contact in an electrically insulated state with at least one of the lead wires other than the common lead wire.
    • 一种气体检测系统,包括:传感器元件,包括:氧泵单元,包括在第一对电极之间的第一氧离子导电固体电解质层; 氧浓度测量池,包括在第二对电极之间的第二氧离子导电固体电解质层; 以及氧泵电池和氧浓度测量电池之间的测量室; 与所述第一和第二对电极连接的多个引线; 以及控制单元,其通过所述引线与所述电极电连接,其中所述引线包括与所述第一对和第二对电极的所述测量室相对的电极连接的公共引线,并且其中所述公共引线具有接触部分 处于电绝缘状态,其中除了公共引线之外的至少一个引线。
    • 35. 发明授权
    • Ignition coil, and internal combustion engine ignition device
    • 点火线圈和内燃机点火装置
    • US06880540B2
    • 2005-04-19
    • US10483559
    • 2002-07-17
    • Tomohiro FumaHiroshi InagakiTakahiro Suzuki
    • Tomohiro FumaHiroshi InagakiTakahiro Suzuki
    • F02P3/02F02P3/05F02P17/12H01F38/12H01T13/08H01T13/44F02P1/00
    • H01F38/12F02P3/02F02P3/051F02P17/12H01F2038/122H01T13/08H01T13/44
    • An object of the present invention is to provide an ignition coil which has a structure to make it possible to connect the ignition coil to a spark plug directly and in which an installation space need not be changed largely when the ignition coil is mounted in a cylinder head, and an internal combustion engine ignition system having the ignition coil.In the present invention, a protection metal pipe (31) of an ignition coil (9) is formed so that a rear end side portion of a spark plug (11) in the rear of a rear end surface (23b) of a collar portion (23) in a metal shell (19) can be received in the inside of the protection metal pipe (31) from a front end (31b). The ignition coil (9) has a structure in which the ignition coil (9) is directly connected to the spark plug (11). The protection metal pipe (31) of the ignition coil (9) is formed to serve also as a plughole pipe, so that the outer diameter of the protection metal pipe (31) can be enlarged up to the outer diameter of a conventional plughole pipe. As a result, a space for installing a coil body portion (37) can be secured largely in the inside of the protection metal pipe (31), so that the installation space need not be changed largely when the ignition coil is mounted in a cylinder head.
    • 本发明的目的是提供一种点火线圈,该点火线圈具有能够将点火线圈直接连接到火花塞的结构,并且当点火线圈安装在气缸中时不需要大大改变安装空间 头部和具有点火线圈的内燃机点火系统。 在本发明中,点火线圈(9)的保护金属管(31)形成为使得在轴环的后端面(23b)后方的火花塞(11)的后端侧部分 金属壳(19)中的部分(23)可以从前端(31b)被容纳在保护金属管(31)的内部。 点火线圈(9)具有点火线圈(9)直接与火花塞(11)连接的结构。 点火线圈(9)的保护金属管(31)也形成为插孔管,使得保护金属管(31)的外径可以扩大到常规插孔管的外径 。 结果,用于安装线圈主体部分(37)的空间可以很大程度地固定在保护金属管(31)的内部,使得当点火线圈安装在气缸中时,安装空间不必大大改变 头。
    • 38. 发明授权
    • Apparatus for pulling up crystal bodies
    • 用于拉起水晶体的装置
    • US5938843A
    • 1999-08-17
    • US48789
    • 1998-03-27
    • Yoshinobu HiraishiMitsunori KawabataShoei KurosakaHiroshi Inagaki
    • Yoshinobu HiraishiMitsunori KawabataShoei KurosakaHiroshi Inagaki
    • C30B15/32C30B15/30C30B29/06C30B35/00
    • C30B15/30Y10S117/911Y10T117/1072
    • This invention provides a apparatus for pulling up crystal bodies, which is capable of firmly clamping and safely pulling up large-diameter crystal bodies regardless of the location of the necked portions formed on the top of the crystal bodies. A large-diameter portion 52 and a necked portion 51 are formed on the top of the crystal body 5. The swaying members 12 of the necked-portion clamp 1 are capable of swaying upward and downward without restraint. The stopper 14 restrains the swaying members 12 to sway below the horizontal plane on which the swaying members 12a are located. The large-diameter portion 52 can pass through the clamp body 11 by lowering the necked-portion clamp 1 to sway the swaying members 12 upward. The swaying members 12 close to clamp the necked portion 51 when the necked-portion clamp 1 reaches a location near the necked portion 51. The distance between the necked-portion clamp 1 and the seed-crystal 3 is adjustable.
    • 本发明提供一种用于提取晶体的装置,其能够牢固地夹紧和安全地拉大直径的晶体,而不管形成在晶体的顶部上的颈部的位置如何。 大直径部分52和颈缩部分51形成在晶体5的顶部上。颈缩夹具1的摆动部件12能够在不受约束的情况下向上和向下摆动。 止动件14限制摆动构件12摆动在摆动构件12a所在的水平面的下方。 大直径部分52可以通过下降颈部夹紧件1使摇动构件12向上摆动而穿过夹具本体11。 当颈缩部分夹具1到达颈缩部分51附近的位置时,摇动构件12靠近夹紧颈缩部分51.颈缩部分夹子1和籽晶3之间的距离是可调节的。
    • 40. 发明授权
    • Sensor control device and sensor control method
    • 传感器控制装置和传感器控制方法
    • US08877024B2
    • 2014-11-04
    • US12957641
    • 2010-12-01
    • Takeshi KawaiHiroshi InagakiKoji ShiotaniHirotaka OnogiSatoshi Teramoto
    • Takeshi KawaiHiroshi InagakiKoji ShiotaniHirotaka OnogiSatoshi Teramoto
    • G01N27/409G01N27/417
    • G01N27/419F02D41/1454F02D41/146F02D41/1494F02D41/2432F02D41/2474G01N27/407
    • [Objective] An object is to provide a sensor control apparatus and a sensor-control-apparatus control method which can reduce variation in startup time among a plurality of times of execution of detection processing, in consideration of variation in output characteristic among a plurality of gas sensors.[Means for Solution] In a sensor control apparatus, before drive control (S55 to S80) is started, preliminary control is executed so as to supply a constant current to a second oxygen pump cell over a constant time, to thereby control to a constant level the amount of oxygen pumped from a second measurement chamber to the outside of the second measurement chamber (S40 to 50). The preliminary control is executed under control conditions of the sensor control apparatus which are determined for each gas sensor and are associated with the amount of oxygen pumped from the second measurement chamber to the outside thereof. The control conditions bring into a target range the concentration correspondence value calculated after start of the drive control which is started after the preliminary control is executed in a state in which a reference gas having a known concentration is introduced into the gas sensor.
    • [目的]本发明的目的是提供一种传感器控制装置和传感器控制装置控制方法,其可以在多次执行检测处理之间减少启动时间的变化,考虑到多个 气体传感器。 [解决方案]在传感器控制装置中,在开始驱动控制(S55〜S80)之前,执行预备控制,以便在恒定时间内向第二氧泵单元提供恒定电流,从而控制为恒定 将从第二测量室泵送的氧气量调整到第二测量室外(S40至50)。 在对于每个气体传感器确定的传感器控制装置的控制条件下执行预备控制,并且与从第二测量室泵送到其外部的氧气量相关联。 控制条件使目标范围成为在将具有已知浓度的参考气体引入气体传感器的状态下进行预控制之后开始的驱动控制开始后计算出的浓度对应值。