Thermal air flow meter
    11.
    发明授权
    Thermal air flow meter 失效
    热风流量计

    公开(公告)号:US4559814A

    公开(公告)日:1985-12-24

    申请号:US585194

    申请日:1984-03-01

    CPC分类号: G01F1/698 G01F1/6842

    摘要: A thermal air flow meter is equipped with a flow rate detector utilizing the phenomenon that heat is carried away in proportion to flow rate. The flow rate detector comprises a support, a heat-sensitive resistor formed on the support and leads attached to both ends of the support. To make the temperature distribution uniform, the heat-sensitive resistor is formed in such a manner that the resistance per unit length of the heat-sensitive resistor at either end of the support is greater than the resistance per unit length of the heat-sensitive resistor at the center of the support. This arrangement can provide a thermal air flow meter which has a rapid response to changes in flow rate.

    摘要翻译: 热空气流量计配有流量检测器,利用热量与流量成比例地传递的现象。 流量检测器包括支撑件,形成在支撑件上的热敏电阻器和附接到支撑件两端的引线。 为了使温度分布均匀,热敏电阻器形成为使得支撑体任一端的热敏电阻器的每单位长度的电阻大于热敏电阻器的每单位长度的电阻 在支持的中心。 这种布置可以提供对流量变化的快速响应的热空气流量计。

    Air intake apparatus for internal combustion engine
    12.
    发明授权
    Air intake apparatus for internal combustion engine 失效
    内燃机进气装置

    公开(公告)号:US4366704A

    公开(公告)日:1983-01-04

    申请号:US210829

    申请日:1980-11-26

    CPC分类号: G01F1/684 G01F1/6842 G01F5/00

    摘要: An air intake apparatus for the internal combustion engine is disclosed comprising a heating resistor placed in a bypass for passing the air of an amount in a predetermined ratio to the amount of the air passing through a main air path communicating with the internal combustion engine, the bypass circumventing or detouring the main air path. The bypass body for defining the bypass is made of a synthetic resin material in order to prevent heat conduction to the heating resistor from an external source.

    摘要翻译: 公开了一种用于内燃机的进气装置,其包括放置在旁路中的加热电阻器,用于使预定比例的量的空气通过与内燃机连通的主空气路径的空气量, 绕过主空气路径绕行或迂回。 用于限定旁路的旁路体由合成树脂材料制成,以防止来自外部源的加热电阻器的热传导。

    Device for electrochemically measuring the concentration of oxygen in
combustion gases
    13.
    发明授权
    Device for electrochemically measuring the concentration of oxygen in combustion gases 失效
    用于电化学测量燃烧气体中氧浓度的装置

    公开(公告)号:US4200511A

    公开(公告)日:1980-04-29

    申请号:US909520

    申请日:1978-05-25

    摘要: A first cylindrical member formed of an ion-conducting solid electrolyte is sealed at one end thereof by a discal plate and inserted at the other end thereof into an axial central bore, formed in a supporting member, in such a manner that the other end of the first cylindrical member is in airtight contact with an offset portion formed in an inner wall surface of the supporting member defining the axial central bore. The first cylindrical member has a first electrode formed on its inner wall surface and a second electrode formed on its outer wall surface. First and second conductors are formed at upper end portions of the first and second electrodes respectively. A second cylindrical member closed at its bottom and housing therein the first cylindrical member in enclosing relationship supports the latter at its bottom and is rigidly secured at its upper end to the supporting member. The second cylindrical member is formed in its wall with a multitude of openings for supplying combustion gases to the exterior of the first cylindrical member. A first terminal member formed therein with an axial central bore is fitted in the axial central bore in the supporting member, so that atmosphere is supplied through the axial central bore in the first terminal member to the interior of the first cylindrical member. A second terminal member formed of a platinum ribbon is connected to the second conductor.

    摘要翻译: 由离子导电固体电解质形成的第一圆柱形构件在其一端通过圆盘形板密封,并在其另一端插入形成在支撑构件中的轴向中心孔,使得另一端 第一圆柱形构件与形成在限定轴向中心孔的支撑构件的内壁表面中的偏移部分气密接触。 第一圆柱形构件具有形成在其内壁表面上的第一电极和形成在其外壁表面上的第二电极。 第一和第二导体分别形成在第一和第二电极的上端部分。 第二圆柱形构件在其底部封闭并且以封闭关系容纳第一圆柱形构件,其在其底部处支撑该第一圆柱形构件,并且在其上端刚性地固定到支撑构件。 第二圆柱形构件在其壁上形成有用于将燃烧气体供应到第一圆柱形构件的外部的多个开口。 在其中形成有轴向中心孔的第一端子构件装配在支撑构件中的轴向中心孔中,使得空气通过第一端子构件中的轴向中心孔供应到第一圆柱形构件的内部。 由铂带形成的第二端子构件连接到第二导体。

    Air fuel ratio sensory
    14.
    发明授权
    Air fuel ratio sensory 失效
    空燃比感官

    公开(公告)号:US5580440A

    公开(公告)日:1996-12-03

    申请号:US549643

    申请日:1995-10-27

    CPC分类号: G01N27/419

    摘要: A method and apparatus are disclosed for measuring atmospheric pressure in conjunction with an air-fuel ratio sensor of the type comprising a concentration cell with atmospheric air and exhaust electrodes on opposite sides of a solid-state electrolyte having oxygen ion conductivity. During an atmospheric pressure measuring cycle, oxygen ions are pumped from the atmospheric air electrode to the exhaust electrode, in a quantity which is either predetermined at a fixed value, or is sufficient to bring the cell to an equilibrium state. Atmospheric pressure is then calculated from measured emf of the cell, using an experimentally derived functional relationship. In a second embodiment, ions are pumped until a predetermined change of the concentration cell emf is achieved, and atmospheric pressure is determined based on the amount of time required to achieve such change. The atmospheric pressure measuring mode is operated on a time shared basis with the air-fuel ration detection mode.

    摘要翻译: 公开了一种与空气燃料比传感器一起测量大气压力的方法和装置,该传感器包括具有大气空气的浓度池和在具有氧离子传导性的固态电解质的相对侧上的排气电极。 在大气压力测量循环期间,将氧离子从大气空气电极泵送到排气电极,其数量以预定值固定,或足以使电池达到平衡状态。 然后使用实验导出的功能关系从测量的电池的emf计算大气压力。 在第二实施例中,泵送离子直到达到浓度单元电动势的预定变化,并且基于实现这种变化所需的时间量确定大气压力。 大气压力测量模式在空燃比检测模式下以时间共同的方式运行。

    Semiconductor acceleration sensor and vehicle control system using the
same
    15.
    发明授权
    Semiconductor acceleration sensor and vehicle control system using the same 失效
    半导体加速度传感器和车辆控制系统使用相同

    公开(公告)号:US5417312A

    公开(公告)日:1995-05-23

    申请号:US147083

    申请日:1993-11-03

    摘要: A semiconductor acceleration sensor is formed by a cantilever having a conductive movable electrode of predetermined mass at one end, at least one pair of fixed conductive electrodes which are stationary with respect to the movable electrode located on opposing sides of the movable electrode, and gaps provided between the movable electrode and the fixed electrodes. To prevent the movable electrode becoming fused to the contacted fixed electrode, in a first aspect of this invention, an insulating layer is provided between the movable electrode and fixed electrodes, the layer being either on the movable electrode or on the fixed electrodes and in a second aspect the movable electrode or, preferably, the fixed electrodes, are formed of a high melting point material. In such a second aspect, to improve adhesion between the high melting point material and a substrate to which the fixed electrodes are mounted, a lower melting point material is firstly coated on the substrates. A sensor detector unit processing circuit has the output characteristic of the circuit digitally adjusted by suitable switching of a plurality of resistors, and the sensor chip and the detector unit integrated circuit may be located on a common base and mounted in a hermetically sealed chamber to prevent adverse environmental effects affecting operation of the sensor and detector unit assembly. A gas having a dew point of -40.degree. C. or lower is, advantageously, charged into the hermetically sealed chamber.

    摘要翻译: 半导体加速度传感器由具有在一端具有预定质量的导电可移动电极的悬臂形成,相对于位于可动电极的相对侧上的可动电极固定的至少一对固定导电电极和提供的间隙 在可动电极和固定电极之间。 为了防止可动电极与被接触的固定电极熔合,在本发明的第一方面中,在可动电极和固定电极之间设置绝缘层,该层位于可动电极上或固定电极上, 第二方面,可动电极或优选固定电极由高熔点材料形成。 在这样的第二方面,为了提高高熔点材料与安装有固定电极的基板之间的粘附性,首先在基板上涂覆较低熔点的材料。 传感器检测器单元处理电路具有通过多个电阻器的合适切换数字调节的电路的输出特性,并且传感器芯片和检测器单元集成电路可以位于公共基座上并且安装在气密密封的室中以防止 影响传感器和检测器单元组件运行的不利环境影响。 露点为-40℃或更低的气体有利地被装入密封的气室中。

    Angle sensor for throttle valve of internal combustion engine
    16.
    发明授权
    Angle sensor for throttle valve of internal combustion engine 失效
    内燃机节气门角度传感器

    公开(公告)号:US4893502A

    公开(公告)日:1990-01-16

    申请号:US227647

    申请日:1988-08-03

    IPC分类号: F02D11/10 F02D41/24 G01B7/30

    摘要: Disclosed is a non-contact type throttle angle sensor sensing and converting angular rotation of a throttle valve of an internal combustion engine into an electrical signal. The sensor comprises a magnetic field generating element disposed on one end of a rotatable throttle shaft, a magneto-sensitive element disposed opposite to the field generating element at a position fixed relative to a throttle body and spaced apart from the field generating element, the magneto-sensitive element generating an output whose level changes with the rotation of the throttle valve shaft relative to the throttle body, a housing forming an integral part of the throttle body to accommodate the field generating element and the magneto-sensitive element, and an electrical circuit converting the output of the magneto-sensitive element into an electrical signal, the electrical circuit including a circuit adjusting the zero level and maximum level of the output of the magneto-sensitive element.

    摘要翻译: 公开了一种非接触式节气门角度传感器,其将内燃机的节流阀的角旋转感测并转换为电信号。 传感器包括设置在可旋转节流轴的一端上的磁场产生元件,在相对于节气门体固定并与场产生元件间隔开的位置处与场发生元件相对设置的磁敏元件,磁电元件 产生其水平随着节流阀轴相对于节气门体的旋转而变化的输出的一个输出,形成节气门体的整体部分以容纳场发生元件和磁敏元件的壳体,以及电路 将磁敏元件的输出转换为电信号,该电路包括调整磁敏元件的输出的零电平和最大电平的电路。

    Thermal air flow meter
    17.
    发明授权
    Thermal air flow meter 失效
    热风流量计

    公开(公告)号:US4513615A

    公开(公告)日:1985-04-30

    申请号:US558278

    申请日:1983-12-05

    摘要: A thermal air flow meter consists essentially of a hollow cylindrical support made of an insulating material, a heat-sensitive resistor formed on top of the support, and lead wires inserted into the hollow part of the support from either end and bonded thereto by glass. This flow meter measures the flow rate from changes in the resistance of the heat-sensitive resistor with temperature. The ratio of the inner diameter d.sub.2 of the support to the outer diameter d.sub.3 of the lead wires (d.sub.2 /d.sub.3) is at least 1.7. This arrangement can provide a thermal air flow meter with a quick response to changes in flow rate.

    摘要翻译: 热空气流量计基本上由绝缘材料制成的中空圆柱形支撑件,形成在支撑件顶部的热敏电阻器以及从两端插入到支撑件的中空部分中并由玻璃粘结的引线组成。 该流量计根据热敏电阻器的电阻随温度的变化测量流量。 载体的内径d2与引线的外径d3(d2 / d3)的比例为1.7以上。 这种布置可以提供对流量变化的快速响应的热空气流量计。