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1. 发明专利

JP2008014725A Unit case for electronic flow meter 有权
标题翻译：电子流量计单元案例
公开(公告)号：JP2008014725A
公开(公告)日：2008-01-24
申请号：JP2006184837
申请日：2006-07-04
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KARASAWA SHINTARO
IPC分类号： G01F1/06 , B29C45/26
摘要： PROBLEM TO BE SOLVED: To simply determine the molding quality of a unit case for an electronic unit of an electronic water meter by performing visual inspection after its injection molding.
SOLUTION: This unit case 31 for the electronic unit 3 of the electronic water meter 1 has a structure made by joining a case body 5 which is an injection molded article of resin to a case lid 6 in an air-tight state. A long and narrow triangular protrusion 10 for molding quality determination is integrally molded on an outside surface 62a of the case lid 6, with the protrusion 10 having a length corresponding to the flowability of molten resin material in its injection molding, and a part of the case lid 6 neighboring the protrusion 10 has scales 11(1) to 11(4). The case body 5 also has a similar projection and scales. Whether or not the case lid 6 is a defective molding can be simply determined by visually inspecting the protrusion 10 on the injection-molded case lid 6 just after mold releasing to check its relative length. Similar determination is possible also on the case body 5.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过在注射成型后进行目视检查，简单地确定电子水表的电子单元的单元壳体的成型质量。电子水表1的电子单元3的单元壳体31具有以气密状态将作为树脂注射成型体的壳体5与壳体盖6接合的结构。用于成型质量确定的长而窄的三角形突起10一体地模制在壳体盖6的外表面62a上，突起10的长度对应于熔融树脂材料在其注模中的流动性，并且部分与突起10相邻的壳体盖6具有鳞片11（1）〜11（4）。壳体5也具有类似的投影和刻度。可以简单地通过目视检查注射成型的盒盖6上刚刚脱模后的突起10来检查其相对长度，来简单地确定壳体盖6是否是有缺陷的模制品。案件机构也可以作类似的判断。（C）2008年，JPO＆INPIT

2. 发明专利

JP2004361301A Flowmeter case 审中-公开
公开(公告)号：JP2004361301A
公开(公告)日：2004-12-24
申请号：JP2003161582
申请日：2003-06-06
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KOIZUMI AKIRA , KARASAWA SHINTARO , SAWATO MASAHIDE
IPC分类号： G01F1/00 , G01F1/10 , G01F3/22 , G01F15/14
摘要： PROBLEM TO BE SOLVED: To solve a problem wherein a flowmeter case is not easy to be handled in metal-made one, and wherein a coating is required for corrosion resistance therein, and a problem wherein waterproofness is required to be secured in resin-made one, and wherein molding precision or the like is required therein to be solved in addition thereto.
SOLUTION: A case body 2 and a case lid 3 constituting the meter case of a city water meter 1 are made of a ceramic. For example, the case body 2 is formed into a molding of a shape corresponding to the case body 2 by injection-molding a ceramic material containing silicon as its main component, followed to be cured by hydrothermal synthesis of high-pressure steam curing at 300°C or less. The case main body 2 and the case lid 3 made of the ceramic are lightweight to be easily handled. The coating is not required to be formed in a portion exposed to water, and foreign matter is not eluted into the water, since corrosion resistance and waterproofness are high. Advantages such as elimination of after-working are provided, since the molding precision is high.
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2004004020A Water meter 有权
公开(公告)号：JP2004004020A
公开(公告)日：2004-01-08
申请号：JP2003093035
申请日：2003-03-31
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KARASAWA SHINTARO
IPC分类号： G01F1/07
摘要： PROBLEM TO BE SOLVED: To provide a water meter for preventing a glass sheet from becoming misty and preventing a defogging seal for preventing the mistiness from peeling off.
SOLUTION: An indication unit 26 has a bottomed cylindrical register box 38 with its upper surface opened, an indication mechanism 33 having pointers 34 or digit wheels 35, etc. and housed in the register box 38, the glass sheet 40 rested on a glass-plate-resting step part 42 formed on the periphery of an opening part in the register box 38 so as to close the opening part in an upper surface part of the register box 38, the defogging seal 44 stuck on an under surface of the glass sheet 40, and an O-ring 43 sandwiched between the step part 42 and the defogging seal 44 stuck on the glass sheet 40 for pressing the defogging seal 44 so as to keep water-tight the interior of the indication unit 26 and to prevent the defogging seal 44 from peeling off.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2003083782A Adjustment device for flow rate sensor 审中-公开
标题翻译：流量传感器调整装置
公开(公告)号：JP2003083782A
公开(公告)日：2003-03-19
申请号：JP2001280852
申请日：2001-09-17
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KARASAWA SHINTARO
IPC分类号： G01F1/12
摘要： PROBLEM TO BE SOLVED: To provide an adjustment device for a flow rate sensor that can easily achieve the rotation adjustment work for an impeller without using a dedicated controller.
SOLUTION: A water meter 1 comprises a fluid pipe 2, an impeller 3 arranged inside this fluid pipe 2, and a flow straightener 4 arranged at the upper stream side of the impeller 3. The rotation adjustment for the impeller 3 is achieved by relatively rotating the flow straightener 4 to the fluid pipe 2 circumferentially. A fitting projection 441 and a fitting groove 261 are formed on an annular end surface 44 and a circular step surface 26 which are the matching surfaces of the flow straightener 4 and the fluid pipe 2, and thereby a relative circumferential position is defined. A projection 46 formed on the outer circumference surface of the flow straightener 4 is fitted into a circular groove 25 formed on the internal circumference surface of the fluid pipe 2, and thereby the flow straightener 4 is fixed at a rotation position after adjustment in the fluid pipe 2.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于流量传感器的调节装置，其可以容易地实现叶轮的旋转调节工作而不使用专用控制器。解决方案：水表1包括流体管2，布置在该流体管2内的叶轮3和布置在叶轮3的上游侧的流动矫直器4.叶轮3的旋转调节通过相对旋转流量矫直机4周向地流到流体管2。在作为流动矫直机4和流体管2的匹配表面的环形端面44和圆形台阶面26上形成有嵌合突起441和嵌合槽261，从而形成相对的周向位置。形成在流动矫直机4的外周面上的突起46嵌合在形成在流体管2的内周面上的圆形槽25中，从而将流动矫直机4固定在流体调节后的旋转位置管2。

5. 发明专利

JP2010042332A Strainer and flow meter 有权
标题翻译：过滤器和流量计
公开(公告)号：JP2010042332A
公开(公告)日：2010-02-25
申请号：JP2008206504
申请日：2008-08-11
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KARASAWA SHINTARO
IPC分类号： B01D35/02 , F15D1/02 , G01F1/00 , G01F1/06 , G01F15/12
摘要： PROBLEM TO BE SOLVED: To provide a strainer which is larger in the reducing effect of pressure loss than heretofore by suppressing a turbulent flow. SOLUTION: The hole cross sectional areas at an upstream side and a downstream side of each fluid passing hole 22 of the strainer S are gradually increased toward an upstream opening 31 and a downstream opening 32, while keeping a minimum hole cross sectional area. The foreign matter filtering function required for the strainer is kept by the minimum hole cross sectional area part 33. The gradually increased hole cross sectional areas of the upstream and downstream sides of the fluid passing hole 22 make the pressure loss of the fluid flowing the parts small. The upstream opening 31 and downstream opening 32 have substantially no flat face part, and the fluid passing-cross sectional areas do not discontinuously vary at the interface of an upstream water pipe 100 and the upstream opening 31, and at the interface of the downstream opening 32 and an inlet pipe 5. This configuration prevents the occurrence of the turbulent flow in the passing fluid to reduce the pressure loss. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种过滤器，其通过抑制湍流而使压力损失的还原效果大于迄今为止。解决方案：过滤器S的每个流体通孔22的上游侧和下游侧的孔横截面积朝向上游开口31和下游开口32逐渐增加，同时保持最小孔横截面积。过滤器所需的异物过滤功能由最小孔横截面积部分33保持。流体通过孔22的上游侧和下游侧的逐渐增加的孔横截面面积使流体流动部件的压力损失小。上游开口31和下游开口32基本上没有平面部分，并且流体通过截面积在上游水管100和上游开口31的界面处不间断地变化，并且在下游开口 32和入口管5.这种构造防止了通过流体中的湍流的发生以减小压力损失。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2003057084A Water meter 审中-公开
标题翻译：水表
公开(公告)号：JP2003057084A
公开(公告)日：2003-02-26
申请号：JP2001247265
申请日：2001-08-16
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KOIZUMI AKIRA , KARASAWA SHINTARO
IPC分类号： G01F1/075 , G01F15/14
摘要： PROBLEM TO BE SOLVED: To improve the moisture proofness of a unit case without increasing dimension or internal capacity in a water meter and to provide the unit case with a shielding property against electric noises in an electronic type water meter.
SOLUTION: The internal face of a unit case 31 made of fiber reinforced resin of a water meter 1 is covered with a high moisture proofing metallic thin film 7 formed of metallic vapor-deposited film or metallic plating film. Therefore, the water meter 1 is different from dual structure unit case or thick- wall unit case and has higher moisture proofness without inducing an increase in dimension and a decrease in internal capacity. In addition, in an electronic type water meter, a metallic thin film 7 is electrically connected with a signal wire led from an electronic circuit in a unit case to the outside, so that the noiseproof property of the electronic circuit to a noise (common mode noise) between the signal wire and earth can be improved.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提高单元壳体的防潮性而不增加水表中的尺寸或内部容量，并且在电子式水表中为单元壳体提供防止电噪声的屏蔽性能。解决方案：由金属蒸镀膜或金属电镀膜形成的高防潮金属薄膜7覆盖由水表1的纤维增强树脂制成的单元壳体31的内表面。因此，水表1不同于双结构单元壳体或厚壁单元壳体，并且具有较高的防潮性，而不会引起尺寸的增加和内部容量的降低。此外，在电子式水表中，金属薄膜7与从单元壳体的电子电路引出的信号线电连接到外部，使得电子电路的噪声特性（共模）噪声）可以提高信号线与地之间的距离。

7. 发明专利

JP2010066061A Flow rate meter case and flow rate meter 有权
标题翻译：流量计表和流量计
公开(公告)号：JP2010066061A
公开(公告)日：2010-03-25
申请号：JP2008230973
申请日：2008-09-09
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KARASAWA SHINTARO
IPC分类号： G01F1/10
摘要： PROBLEM TO BE SOLVED: To provide a water meter having a large effect of reducing a pressure loss in comparison with a prior art. SOLUTION: A meter case 4 of the water meter 1 is configured so that an upstream-side channel 6, an annular channel 7A and a downstream-side channel 7B are formed in a partitioned fashion therein, and a rectifier 23 is fit in and coupled with a circular aperture 9 used for connecting the channels, and a cylindrical wall 14 is attached in order to form a metering chamber 17 at the upper end of the rectifier. The circular edge 14a of the cylindrical wall 14 faces a lower plane portion 20a of a shaft accommodating part 20 which is disposed above it, and water flows out through a gap G between the circular edge 14a and the lower plane 20a. The circular edge 14a is in a tilt shape descending from the downstream side toward the upstream side, and the water tends to flow out on the upstream side in comparison with the downstream side, since the gap G is larger in height at the upstream side. Accordingly, the water flow can be spread to the upstream side without converging it on the downstream side, thereby uniformizing the water flow in the channels and reducing the pressure loss caused by the water meter 1. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种与现有技术相比具有减小压力损失的大的效果的水表。解决方案：水表1的仪表盒4被配置为使得上游侧通道6，环形通道7A和下游侧通道7B以分隔方式形成，并且整流器23被配合并且与用于连接通道的圆形孔9耦合，并且安装圆柱形壁14以在整流器的上端形成计量室17。圆筒形壁14的圆形边缘14a面向设置在其上方的轴容纳部20的下平面部分20a，并且水通过圆形边缘14a和下平面20a之间的间隙G流出。圆形边缘14a从下游侧向上游侧呈倾斜形状，与下游侧相比，上游侧的水倾向于流出，因为间隙G在上游侧的高度较大。因此，水流可以扩散到上游侧而不会在下游侧会聚，从而使通道中的水流均匀化并降低由水表1引起的压力损失。（C）2010年， JPO＆INPIT

8. 发明专利

JP2006058267A Flowmeter 有权
标题翻译：流量计
公开(公告)号：JP2006058267A
公开(公告)日：2006-03-02
申请号：JP2004243310
申请日：2004-08-24
申请人： Toyo Keiki Co Ltd , 東洋計器株式会社
发明人： TSUCHIDA YASUHIDE , KOIZUMI AKIRA , KARASAWA SHINTARO , HARA KATSUMI
IPC分类号： G01F1/075
摘要： PROBLEM TO BE SOLVED: To provide a flowmeter provided with a bearing mechanism capable of supporting a magnet gear in a proper condition for a long period.
SOLUTION: A magnet 11 is embedded in a tip of an impeller 4 of a city water meter 1, the portion herein is opposed coaxially to the magnet gear 12 inside a unit case 8, with a bottom wall portion 8a of the synthetic resin-made unit case 8 therebetween. A lower end part 13a of a rotary shaft 13 of the magnet gear 12 is supported rotatably by a flat bearing face 16a of a synthetic resin-made bearing plate 16 fixed embeddedly in a surface of the bottom wall portion 8a. When the impeller 4 is rotated in response to a flow rate, the magnet gear 12 coupled magnetically thereto is also rotated followed thereto to measure the flow rate. The bearing plate 16 is made of a synthetic resin, a thermal expansion difference with respect to the the bottom wall portion 8a is substantially zero, and a thermal stress and thermal deformation are low thereby. The flowmeter is easy to form a protrusion such as a detent, and is attached surely and firmly to the bottom wall portion 8a. Durability of a bearing portion is improved.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有能够在适当条件下长时间地支撑磁齿轮的轴承机构的流量计。解决方案：将磁体11嵌入城市水表1的叶轮4的顶端，其中的部分与单元壳体8内的磁齿轮12同轴地对置，合成的底壁部分8a 树脂制单元壳体8。磁铁齿轮12的旋转轴13的下端部13a可旋转地由嵌入在底壁部8a的表面上的合成树脂制轴承板16的平坦的支承面16a支撑。当叶轮4响应于流量而旋转时，与其一起磁耦合的磁齿轮12也随之旋转以测量流速。支承板16由合成树脂制成，相对于底壁部8a的热膨胀差大致为零，由此产生热应力和热变形。流量计易于形成诸如棘爪的突起，并且牢固地附接到底壁部8a。轴承部的耐久性提高。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2001066170A FLOWMETER WITH LIQUID CRYSTAL DISPLAY 失效
公开(公告)号：JP2001066170A
公开(公告)日：2001-03-16
申请号：JP23910499
申请日：1999-08-26
申请人： TOYO KEIKI CO LTD
发明人： TSUCHIDA YASUHIDE , KARASAWA SHINTARO
IPC分类号： G01F1/075 , G01D7/00 , G01F1/00 , G01F15/06 , G02F1/13
摘要： PROBLEM TO BE SOLVED: To execute positioning and fixing of a liquid crystal board of a liquid crystal display simply, precisely at a low cost. SOLUTION: In a water meter 1, a liquid crystal board 9 of a liquid crystal display 6 is arranged on the back of a display window 8 formed on a unit case 7 of a measuring unit 5. The liquid crystal board 9 is positioned in the front-to-back direction by a guide end face 22 of a liquid crystal board guide part 21 formed integrally with the unit case 7 and positioned in the lateral direction by a guide side face 23 thereof, and pushed and fixed onto the unit case 7 back by a circuit board 11 through a conductive rubber board 10 from the back side. The liquid crystal board 9 is mounted directly on the unit case 7 where the display window 8 is formed, to thereby improve positioning accuracy thereof, and a positioning and fixing work of the liquid crystal board 9 is simplified, to enable cost reduction.

10. 发明专利

JP2000205926A FLOWMETER CASE 失效
公开(公告)号：JP2000205926A
公开(公告)日：2000-07-28
申请号：JP896399
申请日：1999-01-18
申请人： TOYO KEIKI CO LTD
发明人： TSUCHIDA YASUHIDE , KOIZUMI AKIRA , KARASAWA SHINTARO , TORIYAMA KEISUKE
IPC分类号： G01F1/075 , G01F15/14
摘要： PROBLEM TO BE SOLVED: To prevent rusting even in long-term use by covering at least a part of an inner peripheral surface of a flowmeter case with a covering layer of a synthetic resin material. SOLUTION: A meter case 2 of a service water meter 1 is constituted by combining a lower case part 3, an upper case part 4 and a partition case part 5. The meter case 2 is made of a copper alloy, and the whole inner peripheral surface of the copper alloy lower case part 3 is covered with a covering layer 3a composed of a synthetic resin material. The covering layer 3a is formed by blow molding and spin coating to secure dimensional accuracy of the inner peripheral surface of the lower case part 3. Thus, the inner peripheral surface of the lower case part 3 of the meter case 2 exposed to water is covered with the covering layer 3a to prevent an evil such as elution of a foreign matter generated when a metallic texture of the lower case part 3 is exposed to water over a long period.

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