公开(公告)号：US4373378A

公开(公告)日：1983-02-15

申请号：US202271

申请日：1980-10-30

申请人： Takeshi Fujishiro ,  Kiyoshi Takeuchi ,  Toru Kita

发明人： Takeshi Fujishiro ,  Kiyoshi Takeuchi ,  Toru Kita

IPC分类号： G01H11/08 ,  G01L23/22 ,  H04R1/46 ,  H04R17/02

CPC分类号： G01L23/222 ,  G01H11/08

摘要： A vibration sensor for an automotive vehicle having a multi-peak vibration characteristic of wider responsiveness and of a higher S/N ratio. The vibration sensor comprises a plurality of piezoelectric vibrators so arranged that the piezoelectric voltage signals from the vibrators are synthesized in reverse polarity between two elements having two adjacent resonant frequencies, when the element are deformed in the same direction. Therefore, the voltages are synthesized in the same polarity, when engine knocking frequency lies between two adjacent sensor resonant frequencies, because a vibrator is 180 degrees out of phase with another adjacent vibrator.

摘要翻译： 一种用于机动车辆的振动传感器，具有响应性更广，S / N比高的多峰振动特性。 振动传感器包括多个压电振动器，其被布置成当元件沿相同方向变形时，来自振动器的压电电压信号以具有两个相邻谐振频率的两个元件之间的相反极性合成。 因此，当发动机爆震频率位于两个相邻的传感器谐振频率之间时，由于振动器与另一个相邻的振动器相差180度，所以电压被合成为相同的极性。

公开(公告)号：US4189355A

公开(公告)日：1980-02-19

申请号：US917409

申请日：1978-06-21

申请人： Takeshi Fujishiro ,  Toru Kita

发明人： Takeshi Fujishiro ,  Toru Kita

IPC分类号： G01N27/407 ,  G01N27/46

CPC分类号： G01N27/4073

摘要： A sensor comprises a layer of an oxygen ion conductive solid electrolyte such as stabilized zirconia, two electrode layers of a catalytic metal such as platinum formed porously on both sides of the electrolyte, only one of them formed on first side of the electrolyte layer being directly exposable to an exhaust gas stream, and a gas passage arranged to allow the exhaust gas to contact the other side of the electrolyte layer with a time lag behind the contact of the gas stream with the first side. A fluctuation in the air/fuel ratio of an air-fuel mixture fed to the engine across the stoichiometric ratio can be detected by this sensor since the fluctuation and the aforementioned time lag cause a difference between oxygen partial pressure on one side of the electrolyte layer and that on the other side, resulting in development of an output voltage of the sensor.

摘要翻译： 传感器包括氧离子导电固体电解质层，例如稳定的氧化锆，在电解质的两侧上形成多个催化金属如铂的两个电极层，其中只有一个直接形成在电解质层的第一面上 可暴露于废气流，以及气体通道，其布置成允许排气与气体流与第一侧接触的时间滞后地与电解质层的另一侧接触。 通过该传感器可以检测供给发动机的空气 - 燃料混合物的化学计量比的空燃比的波动，因为波动和上述时间滞后导致电解质层一侧的氧分压之间的差异 另一方面导致传感器的输出电压的发展。

公开(公告)号：US4262251A

公开(公告)日：1981-04-14

申请号：US930321

申请日：1978-08-02

申请人： Takeshi Fujishiro ,  Toru Kita ,  Akio Hosaka

发明人： Takeshi Fujishiro ,  Toru Kita ,  Akio Hosaka

IPC分类号： G01D5/36 ,  F02B75/02 ,  F02P17/02 ,  G01B7/00 ,  G01B7/30 ,  G01D5/14 ,  G01D5/244 ,  G01D5/245 ,  G01P3/44 ,  G01B7/14 ,  G01P3/487 ,  G01P3/488

CPC分类号： G01D5/14 ,  F02P17/02 ,  G01D5/24404 ,  G01D5/2457 ,  F02B2075/027

摘要： A rotatable disk having a plurality of calibration segments and at least one marker along the peripheral portion thereof is provided while a stationary pick-up provided adjacent the disk for generating a first signal indicative of calibration segments and a second signal indicative of a reference position of the rotation of the disk. The frequency of the first signal is increased in order to accurately measure the rotational angle from the reference position.

摘要翻译： 提供具有多个校准段和沿着其周边部分的至少一个标记的可旋转盘，而与盘相邻设置的固定拾取器用于产生指示校准段的第一信号和指示校准段的参考位置的第二信号 磁盘的旋转。 增加第一信号的频率以便精确地测量与参考位置的旋转角度。

公开(公告)号：US4101403A

公开(公告)日：1978-07-18

申请号：US749899

申请日：1976-12-13

申请人： Toru Kita ,  Takeshi Fujishiro

发明人： Toru Kita ,  Takeshi Fujishiro

IPC分类号： G01N27/409 ,  G01N27/12 ,  G01N27/407 ,  G01N27/46

CPC分类号： G01N27/4075 ,  G01N27/4071

摘要： A sensor comprising a plate of an oxygen ion conductive solid electrolyte such as stabilized zirconia, two porous electrode layers of a catalytic metal such as platinum formed on both sides of the electrolyte plate, and two porous ceramic coatings formed respectively on the two electrode layers, wherein both sides of the electrolyte plate are exposable to a gas subject to measurement through the electrode layer and the coating formed on each of them, but the total resistance offered by one of the electrode layers and the coating thereon to the permeation of the gas therethrough is different from that offered by the other electrode layer and coating, so that the gas contacts one side of the electrolyte plate with a time lag behind the contact of the gas with the other side of the plate. The sensor is useful for detecting a fluctuation in the air/fuel ratio of an air-fuel mixture fed to an internal combustion engine across the stoichiometric ratio by exposure to the exhaust gas since the fluctuation and the aforementioned time lag causes the sensor to develop an output voltage.

摘要翻译： 一种传感器，包括氧化离子传导性固体电解质板，例如稳定的氧化锆，在电解质板两侧形成的诸如铂的催化金属的两个多孔电极层和分别形成在两个电极层上的两个多孔陶瓷涂层， 其中电解质板的两侧通过电极层和形成在每个电极层上的涂层暴露于待测量的气体，但由电极层之一和其上的涂层提供的总阻力与气体的渗透通过 与另一个电极层和涂层提供的不同，使得气体与气体与板的另一侧接触后的时间滞后地接触电解质板的一侧。 该传感器用于通过暴露于排气来检测供给到内燃机的空气燃料混合物的化学计量比的空燃比的波动，因为波动和上述时间滞后导致传感器发展 输出电压。

公开(公告)号：US4141813A

公开(公告)日：1979-02-27

申请号：US769350

申请日：1977-02-16

申请人： Toru Kita ,  Takeshi Fujishiro

发明人： Toru Kita ,  Takeshi Fujishiro

IPC分类号： G01N27/409 ,  G01N27/16 ,  G01N27/403 ,  G01N27/407 ,  G01N27/46

CPC分类号： G01N27/407 ,  G01N27/4078

摘要： A solid electrolyte tube closed at one end and two porous electrode layers respectively coated on the outer and inner surfaces of the electrolyte tube constitute a known oxygen concentration cell. A tubular metal shell encloses the electrolyte tube partly such that a closed end portion of the tube protrudes from the shell and that the outer electrode coating is locally in contact with the inside of the shell. To protect the open end of the electrolyte tube against splashing of water during use without interrupting the admission of atmospheric air as a reference gas into the inside of the electrolyte tube, a tubular cap member of a metal is coaxially fixed to and electrically connected at its one end to the shell at one end portion surrounding the open end of the electrolyte tube, and a cross-sectionally circular plug of an insulating material is coaxially and tightly received in and fixed to the cap member to occupy an end portion, contiguous to the free end, of the interior of the cap member. This plug has two axial bores which respectively allow two cable wires of the sensor to tightly pass therethrough and an air-admitting passage formed therein independently of these two bores in such an arrangement and cross-sectional area that unpressurized water does not pass therethrough from the atmosphere to the unoccupied portion of the interior of the cap member.

摘要翻译： 在一端封闭的固体电解质管和分别涂覆在电解质管的外表面和内表面上的两个多孔电极层构成已知的氧浓度电池。 管状金属壳部分包围电解质管，使得管的封闭端部从外壳突出，并且外电极涂层局部地与外壳接触。 为了保护电解液管的开口端，在使用过程中不会中断溅水，而不会中断将大气作为参考气体进入电解液管的内部，金属管状盖件同时固定在其上并与之电连接 在围绕电解质管的开口端的一个端部处的壳体的一端，并且绝缘材料的横截面圆形的塞子同轴地并且紧密地容纳在盖构件中并固定到盖构件上，以占据端部， 帽部件内部的自由端。 该插头具有两个轴向孔，其分别允许传感器的两个电缆线紧密地通过，并且独立于这两个孔形成的空气进入通道在这样的布置和横截面积中，使得未加压的水不从其中穿过 气氛到盖构件的内部的未占用部分。

公开(公告)号：US4098653A

公开(公告)日：1978-07-04

申请号：US771780

申请日：1977-02-24

申请人： Toru Kita ,  Takeshi Fujishiro

发明人： Toru Kita ,  Takeshi Fujishiro

IPC分类号： G01N27/409 ,  G01N27/403 ,  G01N27/407 ,  G01N27/46

CPC分类号： G01N27/4077

摘要： An oxygen sensor particularly useful for detecting oxygen concentration in exhaust gas of internal combustion engine is principally made up of a solid electrolyte tube which is closed at one end, anode and cathode electrode layers respectively formed on the outer and inner surfaces of the electrolyte tube and a tubular metal shell which tightly receives therein the electrolyte tube, leaving a closed end portion of the electrolyte tube protruded from the shell. To protect the protruded portion of the electrolyte tube against a direct exposure to a high velocity hot gas stream to be measured and a collision with any external article, without obstructing a rapid and uniform heating of the electrolyte tube by the gas stream, a hood in the shape of a cylindrical tube with a closed end is fixed at its open end portion to the shell to enclose therein the closed end portion of the electrolyte tube. The hood has a single gas inlet aperture formed in the side wall to extend axially of the hood and open against the gas stream and at least one gas outlet aperture formed in the side wall circumferentially at approximately 180.degree. from the inlet aperture. The total area of the outlet aperture is smaller than the area of the inlet aperture.

摘要翻译： 特别适用于检测内燃机废气中氧浓度的氧传感器主要由在一端封闭的固体电解质管，分别形成在电解质管的外表面和内表面上的阳极和阴极电极层和 管状金属壳，其紧密地容纳电解质管，留下从壳体突出的电解质管的封闭端部。 为了保护电解质管的突出部分免受直接暴露于要测量的高速热气流和与任何外部物品的碰撞，而不阻碍气流快速均匀地加热电解质管，罩 具有封闭端的圆柱形管的形状在其开口端部固定到壳体，以封闭其中电解质管的封闭端部。 罩具有形成在侧壁中的单个气体入口孔，以在罩的轴向延伸并抵靠气流打开，并且在侧壁中形成的至少一个气体出口孔与入口孔大约成180度。 出口孔的总面积小于入口孔的面积。

公开(公告)号：US4076608A

公开(公告)日：1978-02-28

申请号：US739020

申请日：1976-11-04

申请人： Takeshi Fujishiro ,  Toru Kita

发明人： Takeshi Fujishiro ,  Toru Kita

IPC分类号： G01N27/407 ,  G01N27/46

CPC分类号： G01N27/4073 ,  Y10S439/913

摘要： An oxygen sensor comprises an electrolyte which is shaped into a conical tube having a closed end of small diameter and an open end of large diameter. The wall thickness of the electrolyte is gradually decreased toward the closed end from the open end and that of the closed end is 0.3 to 1.0 mm so as to provide a high sensitivity.

摘要翻译： 氧传感器包括电解质，其被成形为具有小直径的封闭端和大直径的开口端的锥形管。 电解质的壁厚从开口端向封闭端逐渐减小，封闭端的壁厚为0.3〜1.0mm，以提供高灵敏度。

公开(公告)号：US4326412A

公开(公告)日：1982-04-27

申请号：US62528

申请日：1979-07-31

申请人： Hiroshi Kobayashi ,  Toru Kita ,  Takeshi Fujishiro

发明人： Hiroshi Kobayashi ,  Toru Kita ,  Takeshi Fujishiro

IPC分类号： G01F1/69 ,  G01F1/68

CPC分类号： G01F1/69

摘要： The flow rate is determined from the heat transferred from an electrically heated wire stretched in a fluid flow to the fluid. The wire is placed not on a plane normal to the flow but within a section of the fluid passage bounded by two spaced planes normal to the flow. Preferably the wire is composed of series of line segments which are distributed evenly not only around the central axis of the passage but also in the direction of the flow so that the heat release from the wire in its entirety corresponds to the mean value of fluid velocities at various points.

摘要翻译： 流量由从在流体流中流动的电加热线传递到流体的热量确定。 电线不在垂直于流动的平面上，而是位于流体通道的一部分内，该流体通道由垂直于流动的两个间隔开的平面界定。 优选地，线由一系列线段组成，其不仅均匀分布在通道的中心轴线周围，而且在流动方向上均匀分布，使得来自线材的整体热释放对应于流体速度的平均值 在不同点。

公开(公告)号：US4280360A

公开(公告)日：1981-07-28

申请号：US70258

申请日：1979-08-27

申请人： Hiroshi Kobayashi ,  Toru Kita ,  Takeshi Fujishiro

发明人： Hiroshi Kobayashi ,  Toru Kita ,  Takeshi Fujishiro

IPC分类号： G01F1/32 ,  G01F1/64 ,  G01F1/684 ,  G01F15/00

CPC分类号： G01F1/3209 ,  G01F1/64 ,  G01F1/6842 ,  G01F15/00 ,  Y02T10/146

摘要： A fluid measuring device comprises flow meter for measuring quantities of flow or flow rates of fluid and flow rectifiers arranged upstream and downstream of the flow meter, whose rectifier elements or cells are sized and positioned such that a ratio W.sub.1 /D of a smaller width W.sub.1 of the cells to an inner diameter D of a passage for the fluid is less than 0.2 and a ratio L/W.sub.1 of a distance L between the flow meter and the upstream flow rectifier to the smaller width W.sub.1 of the cell is within 5.ltoreq.L/W.sub.1 .ltoreq.25, thereby improving an accuracy of measurement without increasing losses of pressure.

摘要翻译： 流体测量装置包括流量计，用于测量布置在流量计上游和下游的流体和流量整流器的流量或流量，其整流器元件或单元的尺寸和位置使得W1 / D的较小宽度W1 的流体的通道的内径D小于0.2，并且流量计与上游流动整流器之间的距离L与单元的较小宽度W1之间的比L / W1在5微米以内， = L / W1 <25°，从而提高测量精度而不增加压力损失。

公开(公告)号：US4257276A

公开(公告)日：1981-03-24

申请号：US42463

申请日：1979-05-25

申请人： Toru Kita ,  Hiroshi Kobayashi ,  Takeshi Fujishiro

发明人： Toru Kita ,  Hiroshi Kobayashi ,  Takeshi Fujishiro

IPC分类号： G01F1/32

CPC分类号： G01F1/3218

摘要： A slot of a vortex generating body in which alternating fluid flow occurs in response to shedding of vortexes from the body is narrowed at the middle section thereof where a fluid flow sensing element such as a hot wire is located.

摘要翻译： 涡流发生体的狭槽，其中响应于来自身体的涡流的脱落而发生交替的流体流在其中间部分处变窄，其中流体流量感测元件例如热丝位于其中。