公开(公告)号：JP2011185616A

公开(公告)日：2011-09-22

申请号：JP2010048172

申请日：2010-03-04

Applicant: Denso Corp ,  株式会社デンソー

Inventor： YASUDA ATSUSHI ,  MIYAGAWA ISAO

IPC: G01F23/38

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detection device preventing electrolytic corrosion by maintaining a fixing state between a wall part and a lid part.
SOLUTION: A plurality of terminals having different potentials are exposed from a covering part. The exposed parts are arranged side by side, and the circumference of the plurality of exposed parts is covered by a tube part. The tube part includes: three or more wall parts fixed to the covering part and arranged at the prescribed interval so as to be disposed opposite each other via one exposed part; and two lid parts disposed opposite each other so as to integrally hold the entire wall parts therebetween. The hollow in the tube part is partitioned into a plurality of regions by the wall parts and the lid parts, wherein one exposed part is disposed in each of the partitioned region. A female engagement part is formed in each of two wall parts. A male engagement part is formed in each of two lid parts. A stopper preventing disengagement between the female engagement part and the male engagement part formed in the other lid part is formed in one of the two lid parts.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供通过维持壁部和盖部之间的固定状态来防止电解腐蚀的液位检测装置。 解决方案：具有不同电位的多个端子从覆盖部分露出。 暴露部分并排布置，并且多个暴露部分的圆周被管部分覆盖。 管部包括：固定在覆盖部上并以规定间隔配置的3个以上的壁部，经由一个露出部相对配置; 和彼此相对设置的两个盖部件，以便整体地将整个壁部保持在其间。 通过壁部和盖部分将管部分中的中空部分分隔成多个区域，其中一个暴露部分设置在每个分隔区域中。 在两个壁部中的每一个中形成阴接合部。 在两个盖部中的每一个中形成有阳接合部。 在两个盖部中的一个上形成防止阴接合部和形成在另一个盖部中的阳接合部之间的脱离的止动件。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011064491A

公开(公告)日：2011-03-31

申请号：JP2009213376

申请日：2009-09-15

Applicant: Denso Corp ,  株式会社デンソー

Inventor： MIYAGAWA ISAO ,  KAWASHIMA SEIZABURO ,  YASUDA ATSUSHI

IPC: G01F23/38

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detection device and a method of manufacturing the same in which the deterioration of electric connection reliability between a protective element and a terminal is suppressed.
SOLUTION: The liquid level detection device detects the height of a liquid level by vertically moving a float accompanied by the variation of the liquid level, rotationally moving a rotary part accompanied by the vertical movement, changing an application direction of the magnetic flux density of a magnet applied to an angle detection part including a magneto-electric conversion element accompanied by the rotational movement, and detecting the variation of an electric signal outputted from the angle detection part according to the change of the magnetic flux density. A protective element electrically protecting the angle detection part includes: a protection part disposed at the bottom surface of a recessed part formed of a plurality of terminals and a holder integrally holding the plurality of terminals, mechanically and electrically connected to the terminals via solder, and protecting the solder by coating the solder in the recessed part, and a spacer at least partially embedded in the protection part.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种液面检测装置及其制造方法，其中保护元件和端子之间的电连接可靠性的劣化被抑制。 解决方案：液面检测装置通过垂直移动伴随着液面变化的浮子来检测液面的高度，旋转地移动伴随垂直运动的旋转部件，改变磁通量的施加方向 施加到包括伴随旋转运动的磁电转换元件的角度检测部分的磁体的密度，以及根据磁通密度的变化检测从角度检测部分输出的电信号的变化。 电气保护角度检测部件的保护元件包括：保护部，其设置在由多个端子形成的凹部的底面，以及一体地保持多个端子的保持器，通过焊料机械地和电连接到端子;以及 通过在凹部中涂覆焊料来保护焊料，以及至少部分地嵌入保护部分中的间隔物。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2007315873A

公开(公告)日：2007-12-06

申请号：JP2006144571

申请日：2006-05-24

Applicant: Denso Corp ,  株式会社デンソー

Inventor： YASUDA ATSUSHI ,  MIYAGAWA ISAO

IPC: G01F23/38

CPC classification number: G01F23/38 ,  H01F7/0289 ,  H01H36/02

Abstract: PROBLEM TO BE SOLVED: To provide an electrical device for surely preventing a liquid having permeated into a resin material from reaching an electronic component and its manufacturing method.
SOLUTION: In a manufacturing process for a casing 20, and in more detail, in a holding process for holding a subassembly S in a metal mold 200, a seal member 60 is compressed by respective molds 201 to 204 in its circumferential directions, thereby keeping the seal member 60 in a compressed state by the casing 20 in a completed state of a body 10. This makes it possible to surely prevent fuel F from permeating into the casing 20 from between the seal member 60 and the casing 20, and from between the seal member 60 and a terminal 40, in a state where the body 10 is immersed in the fuel F when using a fuel level gauge 100.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种可靠地防止渗透到树脂材料中的液体到达电子部件的电气装置及其制造方法。 解决方案：在壳体20的制造过程中，更具体地，在用于将组件S保持在金属模具200中的保持过程中，密封构件60在其圆周方向上由相应的模具201至204压缩 从而通过壳体20在主体10的完成状态下将密封构件60保持在压缩状态。这使得可以可靠地防止燃料F从密封构件60和壳体20之间渗透到壳体20中， 并且在使用燃料液位计100时在主体10浸入燃料F的状态下从密封构件60和端子40之间开始。（C）2008年，JPO和INPIT

公开(公告)号：JP2006090810A

公开(公告)日：2006-04-06

申请号：JP2004275845

申请日：2004-09-22

Applicant: Denso Corp ,  株式会社デンソー

Inventor： MIYAGAWA ISAO ,  YASUDA ATSUSHI

IPC: G01F23/28 ,  B60K15/077

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detector for restraining tensile force from acting on a connection part between a lead wire and an ultrasonic oscillation element even if a buffer member swells. SOLUTION: A sleeve 5 is fitted on the periphery of the buffer member 4, and further, a gap C is previously provided between a peripheral surface of the sleeve 5 and the lead wire 6. This structure restricts an increase in the outer diameter size of the sleeve 5 made of a resin tube to an extremely small degree, even if the buffer member 4 is swelled by a fuel 14 and a force acts on the sleeve 5 from the buffer member 4 toward the periphery of the sleeve 5. Because of this, external force does not act at all on the lead wire 6 even if the buffer member 4 is swelled by the fuel 14. Accordingly, a fuel liquid level detector 1 can be realized capable of surely preventing the connection part from being damaged by tensile force acting on the connection part between the lead wire 6 and an electrode 33 of an ultrasonic sensor 3. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：即使缓冲构件膨胀，提供用于限制张力作用在引线和超声波振动元件之间的连接部分上的液位检测器。 解决方案：套筒5安装在缓冲构件4的周边上，此外，预先在套筒5的外周表面和引线6之间设置间隙C.该结构限制了外部 即使缓冲构件4被燃料14膨胀，并且从缓冲构件4朝向套筒5的周边作用在套筒5上的力，由树脂管制成的套筒5的直径尺寸非常小。 因此，即使缓冲构件4被燃料14膨胀，外力也不会在引线6上起作用。因此，可以实现能够可靠地防止连接部被损坏的燃料液位检测器1 通过作用在引线6与超声波传感器3的电极33之间的连接部分上的张力。（C）2006，JPO＆NCIPI

公开(公告)号：JP2006047056A

公开(公告)日：2006-02-16

申请号：JP2004227003

申请日：2004-08-03

Applicant: Denso Corp ,  株式会社デンソー

Inventor： MIYAGAWA ISAO ,  YASUDA ATSUSHI

IPC: G01F23/28 ,  B60K15/077

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detecting apparatus capable of performing high-precision liquid level detection by devising the formation of a propagation route from an ultrasonic oscillation element up to a reflector, and raising the acoustic pressure level of an ultrasonic wave from the ultrasonic oscillation element incident on the reflector. SOLUTION: A guide pipe 4 is formed from a metal material, and its cross section has a circular shape whose diametric dimension gradually becomes smaller with a distance from an ultrasonic sensor 3. That is, the guide pipe 4 is formed so that the route for transmitting the ultrasonic wave generated from the ultrasonic sensor may be tapered from the ultrasonic sensor 3 toward the reflector 6. Thus, the acoustic pressure level of the ultrasonic wave which enters the reflector 6 can be made higher than a value in a prior-art liquid level detecting apparatus. Accordingly, the energy of the ultrasonic wave generated from the ultrasonic sensor 3 can be utilized for liquid level detection at a high efficiency, so that a fuel liquid level detecting apparatus 1 capable of accurate liquid level detection can be provided. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种能够通过设计从超声波振动元件到反射器的传播路径的形成来执行高精度液位检测的液位检测装置，并且提高声压级 来自超声波振荡元件的超声波入射到反射器上。 导管4由金属材料形成，其截面呈圆形，其直径尺寸随着与超声波传感器3的距离逐渐变小。也就是说，导管4形成为 用于发送超声波传感器产生的超声波的路径可以从超声波传感器3朝向反射器6逐渐变细。因此，可以使进入反射器6的超声波的声压级别高于先前的值 液位检测装置。 因此，能够将从超声波传感器3产生的超声波的能量高效率地利用于液位检测，能够提供能够进行精确的液位检测的燃料液位检测装置1。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005140640A

公开(公告)日：2005-06-02

申请号：JP2003377457

申请日：2003-11-06

Applicant: Denso Corp ,  株式会社デンソー

Inventor： MIYAGAWA ISAO ,  YASUDA ATSUSHI

IPC: G01F23/60 ,  F02M37/00 ,  G01F23/28

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detector for vehicles capable of detecting a liquid level precisely, by fully working out the configuration of a second cylinder. SOLUTION: A float 7 that can travel axially in a guide pipe 6 in linking with a liquid surface 81 of fuel 8, while floating in the fuel 8 is arranged in the guide pipe 6. Ultrasonic pulses, that are discharged from an ultrasonic sensor 3 and advance toward the liquid surface 81 in the guide pipe 6, are reflected at a reflecting surface 72b of the float 7. The reflected pulses are received by the ultrasonic sensor 3 for detecting the position of the liquid surface 81. As a result, ultrasonic pulses generated from the ultrasonic sensor 3 greatly increase the energy of reflection pulses reflected on the reflecting surface 72b, as compared with the energy of reflection pulses reflected on a liquid surface 102 in the conventional liquid level detector 100 for vehicles, thus increasing a detection signal level by the ultrasonic sensor 3 and achieving the fuel level detector 1 for precisely detecting the liquid surface 81. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：通过充分制定第二气缸的构造，为能够精确地检测液位的车辆提供液位检测器。 解决方案：浮子7在导向管6中与燃料8的液面81连接而浮动在燃料8中的轴7布置在导管6中。超声脉冲从一个 超声波传感器3朝向导管6内的液面81前进，在浮子7的反射面72b反射。反射脉冲由超声波传感器3接收，用于检测液面81的位置。作为 结果，与用于车辆的常规液面检测器100中的在液面102上反射的反射脉冲的能量相比，从超声波传感器3产生的超声波脉冲大大增加了反射表面72b上反射的反射脉冲的能量，从而增加 通过超声波传感器3的检测信号电平，并实现用于精确检测液面81的燃料液位检测器1.（C）2005，JPO＆NCIPI

公开(公告)号：JP2005127919A

公开(公告)日：2005-05-19

申请号：JP2003365106

申请日：2003-10-24

Applicant: Denso Corp ,  株式会社デンソー

Inventor： MIYAGAWA ISAO ,  YASUDA ATSUSHI

IPC: G01F23/28 ,  F02D45/00 ,  F02M37/00

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detection device for a vehicle which maintains the positional relation between an ultrasonic wave sensor and an ultrasonic wave reflection member in high degree of precision, by elaborating the structure of the ultrasonic wave reflection member for detecting ultrasonic wave propagation velocity in a liquid to perform high-precision liquid level detection. SOLUTION: In a guide pipe 5, which is an ultrasonic wave propagation path between the ultrasonic wave sensor 3 and a second reflecting surface 54, the ultrasonic wave propagation path comprises a large-diameter section 51 and a small-diameter section 52, which are placed on the same axis. While a first reflecting surface 53 is formed by a step appearing in the connection section between the large-diameter section 51 and the small-diameter section 52, the ultrasonic wave sensor 3 is fixed directly to the guide pipe. The positional relation between the ultrasonic wave sensor 3 and the first reflection surface 53, is thereby maintained in high precision condition, to provide a fuel liquid level detection device 1 which detects a liquid level 81 with high precision. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 解决问题的方案为了提供一种高精度地保持超声波传感器与超声波反射部件之间的位置关系的车辆用液位检测装置，通过详细说明超声波反射部件的结构 用于检测液体中的超声波传播速度，以进行高精度液位检测。 解决方案：在作为超声波传感器3和第二反射面54之间的超声波传播路径的导管5中，超声波传播路径包括大直径部51和小直径部52 ，它们位于同一轴上。 虽然通过在大直径部分51和小直径部分52之间的连接部分中出现的台阶形成第一反射表面53，但是超声波传感器3直接固定到引导管。 因此，超声波传感器3与第一反射面53之间的位置关系保持在高精度状态，从而提供以高精度检测液面81的燃料液位检测装置1。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2005098879A

公开(公告)日：2005-04-14

申请号：JP2003333955

申请日：2003-09-25

Applicant: Denso Corp ,  株式会社デンソー

Inventor： MIYAGAWA ISAO ,  YASUDA ATSUSHI

IPC: G01F23/28 ,  B60K15/077 ,  B60S1/50 ,  F02M37/00

Abstract: PROBLEM TO BE SOLVED: To provide a liquid level detector for a vehicle capable of enhancing using efficiency in liquid level detection of ultrasonic waves emitted from an ultrasonic oscillation element. SOLUTION: A reflecting face 41 is formed into an elliptical face shape as shown in Fig.1. A propagation-directional range usable effectively for the liquid level 81 detection in the ultrasonic wave emitted from the ultrasonic oscillation element 3 is thereby enlarged compared with the case of a conventional vehicular liquid level detector, and energy of a reflected wave from a liquid face (level) 81 incident into the ultrasonic oscillation element 3, that is, an output signal level of the ultrasonic oscillation element 3 is enhanced compared with the case of the conventional vehicular liquid level detector, so as to provide the fuel liquid level detector 1 allowing the highly precise liquid level detection. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种能够提高从超声波振荡元件发射的超声波的液面检测中的使用效率的车辆用液位检测器。 解决方案：如图1所示，反射面41形成为椭圆形的形状。 与以往的车辆用液位检测器相比，能够有效地对从超声波振荡元件3发出的超声波中的液面81的检测有效的传播方向范围和来自液面的反射波的能量（ 水平）81与超声波振荡元件3的输出信号电平相比较，与现有的车辆用液位检测器相比，能够提高燃料液位检测器1的容量， 高精度液位检测。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004340911A

公开(公告)日：2004-12-02

申请号：JP2003176818

申请日：2003-06-20

Applicant: Denso Corp ,  Nippon Soken Inc ,  株式会社デンソー ,  株式会社日本自動車部品総合研究所

Inventor： MIYAGAWA ISAO ,  YASUDA ATSUSHI ,  UCHIDA AKIRA ,  MATSUOKA HISANAGA ,  HASEO YASUYUKI

IPC: G01F23/28

Abstract: PROBLEM TO BE SOLVED: To provide a level detector for a vehicle capable of detecting a liquid level position at a high precision even in the case that the liquid level in a tank rocks. SOLUTION: A guide pipe 5 is provided between a ultrasonic sensor 3 and a measurement plate 41 and a guide pipe 6 is provided between the measurement plate 41 and a ceiling 22. Major part of ultrasonic wave emitted from the ultrasonic sensor 3 is made to enter to the measurement plate 41 or a correction plate 42 and major part of the ultrasonic wave reflected by the liquid level 71 is made to enter to the measurement plate 41, in other words, to enter to the ultrasonic sensor 3. Thus, as detection signal level of these reflection waves by the ultrasonic sensor 3 can be increased by increasing energy of a reflection wave from the liquid level 71 and a reflection wave from the correction plate 42, a fuel level detector 1 capable of level detection at a high precision can be realized. COPYRIGHT: (C)2005,JPO&NCIPI

公开(公告)号：JP2014235157A

公开(公告)日：2014-12-15

申请号：JP2013119131

申请日：2013-06-05

Applicant: 株式会社デンソー ,  Denso Corp

Inventor： YASUDA ATSUSHI ,  HATANO MAKOTO

IPC: G01F23/62

CPC classification number: G01F23/62 ,  G01F23/72 ,  G01F23/74

Abstract: 【課題】組み付け作業性の向上が可能な液面検出装置の提供。【解決手段】液面検出装置100の筐体10は、円筒部33及び係止爪39aを有するカバー30と、係止孔29aの形成されたボデー20とを含んでいる。係止爪39aが係止孔29aの周壁29bに係止されることにより、カバー30は、ボデー20に支持される。以上のカバー30をボデー20に組み付ける作業を容易にするために、カバー30及びボデー20のそれぞれには、カバーガイド部71及びボデーガイド部76が設けられている。円筒部33の先端部分33aに形成されたカバーガイド部71は、ボデーガイド部76と接触する。こうして円筒部33まわりの回転力が発生することにより、係止爪39a及び係止孔29aの係合可能な正規位置に向けて、カバー30は、誘導される。【選択図】図7

Abstract translation: 要解决的问题：提供一种能够提高组装操作性的液位检测器。解决方案：液位检测器100的壳体10包括具有圆柱形部分33和捕获件39a和主体20的盖30，其中接合孔 29a形成。 由于卡扣39a与卡合孔29a的圆周壁29b卡合，所以盖30由主体20支承。为了便于将盖30组装到主体20上的工作，盖30和主体20 设置有盖引导部71和主体引导部76.形成在圆筒部33的前端部33a中的盖引导部71与主体引导部76接触。因此，随着周围产生转动力 圆筒部33，盖30被引导到卡止件39a和卡合孔29a可以卡合的正常位置。