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    • 2. 发明授权
    • Liquid level detection apparatus
    • 液位检测装置
    • US08044698B2
    • 2011-10-25
    • US12104505
    • 2008-04-17
    • Yasunori KawaguchiKenichi TanakaToshio Oike
    • Yasunori KawaguchiKenichi TanakaToshio Oike
    • G01F23/32
    • G01F23/36
    • A liquid level detection apparatus includes a resistance plate which has a conducting pattern formed on a board, the conducting pattern including a first slide portion, a second slide portion, a plus electrode electrically connected to the first slide portion, and a minus electrode electrically connected to the second slide portion, a float which moves in accordance with a change of a liquid level, a float arm connected to the float, a sliding arm which slides over the resistance plate in accordance with a pivotal movement of the float arm, a plus connection terminal connected to the plus electrode, a minus connection terminal connected to the minus electrode, and a protective layer formed on the plus connection terminal so as to cover the plus connection terminal.
    • 液面检测装置包括:电阻板,其具有形成在基板上的导电图案,所述导电图案包括第一滑动部分,第二滑动部分,与第一滑动部分电连接的正电极;以及负极,电连接 到第二滑动部分,根据液位变化移动的浮子,连接到浮子的浮动臂,根据浮动臂的枢转运动在电阻板上滑动的滑动臂,加号 连接到正电极的连接端子,连接到负电极的负连接端子,以及形成在正极连接端子上以覆盖正极连接端子的保护层。
    • 3. 发明授权
    • Liquid level detecting apparatus
    • 液面检测装置
    • US07952473B2
    • 2011-05-31
    • US12122761
    • 2008-05-19
    • Kenichi TanakaYasunori KawaguchiToshio Oike
    • Kenichi TanakaYasunori KawaguchiToshio Oike
    • B60Q1/00G08B21/00
    • G01F23/363G01F23/0092
    • A liquid level detecting apparatus includes a liquid level sensor of a variable resistance type which includes a sliding contact and a resistor, and which detects a resistance change corresponding to a change of a liquid level of a liquid in a tank and outputs a detection signal based on the change of the liquid level when the liquid level sensor is energized and a controlling unit which controls to supply energization pulses periodically to the liquid level sensor, and controls a displaying portion to display a remaining amount of the liquid in the tank, on the basis of the detection signal output from the liquid level sensor. The controlling unit changes a number of the energization pulses supplied to the liquid level sensor in a predetermined time, on the basis of the detection signal output from the liquid level sensor.
    • 液面检测装置包括具有滑动接点和电阻器的可变电阻型液位传感器,并检测与罐内液体液面变化相对应的电阻变化,并输出基于检测信号的检测信号 在液位传感器被通电时液面的变化,以及控制单元,其控制向液位传感器周期性地供给通电脉冲,并且控制显示部显示液体在液舱中的剩余量,在 从液位传感器输出的检测信号的基础。 控制单元基于从液面传感器输出的检测信号,在预定时间内改变提供给液位传感器的通电脉冲的数量。
    • 4. 发明授权
    • Resistance plate and liquid level detection apparatus provided with said resistance plate
    • 具有所述电阻板的电阻板和液位检测装置
    • US07541911B2
    • 2009-06-02
    • US12041866
    • 2008-03-04
    • Yasunori KawaguchiKenichi TanakaToshio Oike
    • Yasunori KawaguchiKenichi TanakaToshio Oike
    • H01C1/14
    • G01F23/36
    • In a resistance plate, a first slide portion includes a plurality of first conductive segments arranged at intervals generally in a direction of sliding movement of a sliding arm, the adjacent first conductive segments being connected together via a resistor. A first conducting path 13 extends between the first slide portion and a first end land to electrically connect them together, the first end land being provided for detecting a quantity of electricity appearing according to the positions of the first conductive segment and a second conductive segment which are held in contact with the sliding arm. A protector is formed on the first conducting path to cover this first conducting path. The protector and the resistor are made of the same material.
    • 在电阻板中,第一滑动部分包括大致沿滑动臂的滑动运动的方向排列的多个第一导电段,相邻的第一导电段经由电阻器连接在一起。 第一导电路径13在第一滑动部分和第一端部区域之间延伸以将它们电连接在一起,第一端部区域被设置用于根据第一导电段和第二导电段的位置检测出现的电量, 与滑动臂保持接触。 保护器形成在第一导电路径上以覆盖该第一导电路径。 保护器和电阻器由相同的材料制成。
    • 7. 发明授权
    • Liquid level detecting device
    • 液位检测装置
    • US08820158B2
    • 2014-09-02
    • US13356344
    • 2012-01-23
    • Toshio OikeKenichi Tanaka
    • Toshio OikeKenichi Tanaka
    • G01F23/32G01F23/36G01D5/165G01F23/00
    • G01D5/165G01F23/363
    • A liquid level detecting device includes a resistor plate having conductive segments, a float that vertically moves in accordance with a displacement of a liquid level, a float arm that has one end to which the float is attached and the other end which is rotatably supported so as to be rotated in association with a vertical movement of the float, and a contact point that slides on the conductive segments in association with a rotation of the float arm. Each of the conductive segments is formed of a first metallic material and a second metallic material. The first metallic material has silver (Ag) and palladium (Pd) and the second metallic material has gold (Au) as a main component. A part which is to be brought into contact with the contact point in each of the conductive segments is formed of the second metallic material.
    • 液面检测装置包括具有导电段的电阻板,根据液位的位移而垂直移动的浮子,具有浮子附着的一端的浮臂和可旋转地支撑的另一端 与浮子的垂直运动相关联地旋转,以及与浮动臂的旋转相关联地在导电段上滑动的接触点。 每个导电段由第一金属材料和第二金属材料形成。 第一金属材料具有银(Ag)和钯(Pd),第二金属材料具有金(Au)作为主要成分。 要与每个导电段中的接触点接触的部分由第二金属材料形成。
    • 8. 发明授权
    • Liquid level detecting apparatus
    • 液面检测装置
    • US08671751B2
    • 2014-03-18
    • US13355816
    • 2012-01-23
    • Takafumi ShimizuToshio OikeKenichi Tanaka
    • Takafumi ShimizuToshio OikeKenichi Tanaka
    • G01F23/32G01F23/00
    • H01C10/16G01F23/36H01C10/32
    • A liquid level detecting apparatus is provided. A resistance plate has a plurality of elongated conductive segments arranged therein. A float is configured to be moved upward and downward depending on a displacement of a liquid level to be measured. A floating arm has one end attached to the float and the other end rotatably supported to be rotated in response to upward and downward movements of the float. A contact is configured to be slid on the plurality of conductive segments in association with a rotation of the float arm depending on the liquid level. The plurality of conductive segments comprise a plurality of first segments made of a first metal material containing at least silver (Ag) and palladium (Pd), and a plurality of second segments made of a second metal material essentially containing gold (Au).
    • 提供了液面检测装置。 电阻板具有布置在其中的多个细长导电段。 浮子被配置为根据要测量的液位的位移而向上和向下移动。 浮动臂具有一端连接到浮子,另一端可自由旋转地支撑,以响应浮子的向上和向下运动而旋转。 触点构造成根据液面而与浮动臂的旋转相关联地在多个导电段上滑动。 多个导电段包括由至少含有银(Ag)和钯(Pd)的第一金属材料制成的多个第一段和由基本上含有金(Au)的第二金属材料制成的多个第二段。
    • 10. 发明授权
    • Liquid level detector
    • 液位检测器
    • US09062997B2
    • 2015-06-23
    • US13278554
    • 2011-10-21
    • Toshio OikeRyo HiroseMasaki Hirota
    • Toshio OikeRyo HiroseMasaki Hirota
    • G01F23/32G01F23/36
    • G01F23/36
    • A liquid level detector is provided. A resistance plate has a plurality of conductive segments. A float vertically moves according to change of a liquid level to be measured. A float arm has one end attached to the float and the other end rotatably supported to rotate according to the vertical movement of the float. Contact points slide on the conductive segments with the rotation of the float arm according to the liquid level. The conductive segments are formed of a glass-sintered metallic body made of glass and gold alloy material containing a gold (Au) content equal to or greater than 18% by mass and less than 40% by mass. The contact points are formed of a gold alloy material containing a gold (Au) content equal to or greater than 32.5% by mass and less than 77% by mass.
    • 提供液位检测器。 电阻板具有多个导电段。 浮子根据待测液位的变化而垂直移动。 浮子臂具有一端连接浮子,另一端根据浮子的垂直运动可旋转地支撑以旋转。 接触点根据液位在浮动臂的旋转下滑动在导电段上。 导电段由金(Au)含量等于或大于18质量%且小于40质量%的由玻璃和金合金材料制成的玻璃烧结金属体形成。 接触点由金(Au)含量等于或大于32.5质量%且小于77质量%的金合金材料形成。