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1. 发明专利

JP2009185701A Fuel pump 审中-公开
标题翻译：燃油泵
公开(公告)号：JP2009185701A
公开(公告)日：2009-08-20
申请号：JP2008026765
申请日：2008-02-06
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： KAWAI YUTA , MATSUBARA MAMORU
IPC分类号： F02M37/08
摘要： PROBLEM TO BE SOLVED: To provide, in a fuel pump equipped with a check valve on a fuel discharge port side, technology of reducing flow resistance on the check valve and contributing to improvement of pump efficiency.
SOLUTION: In the fuel pump equipped with the check valve 50 for preventing reverse flow of the fuel discharged from a discharge port 31, the check valve 50 has a valve seat 33 formed at a peripheral edge of the discharge port 31, a valve element 505 linearly moving between a valve open position where it separates from the valve seat 33 and opens the discharge port 31 and a valve close position where it contacts with the valve seat 33 and closes the discharge port 31, a valve close operation means 509, 513 moving the valve element 505 to the valve close position, a valve element operation passage 503 guiding the movement of the valve element 505 and brought into communication with the discharge port 31 along with the movement of the valve element 505 to the valve open position by the fuel discharged from the discharge port 31, and a fuel flow path 507 branched from the valve element operation passage 503, brought into communication with the discharge port 31 along with the movement of the valve element 505 from the valve close position in a direction of the valve open position and introducing the fuel discharged from the discharge port 31 to a downstream side.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在具有在燃料排放口侧的止回阀的燃料泵中，提供降低止回阀上的流动阻力并有助于提高泵效率的技术。解决方案：在配备有用于防止从排出口31排出的燃料反向流动的止回阀50的燃料泵中，止回阀50具有形成在排出口31的周缘的阀座33，阀元件505在其与阀座33分离并打开排出口31的阀打开位置与阀座33接触并关闭排出口31的阀关闭位置之间线性移动;阀关闭操作装置509 ，513将阀元件505移动到阀关闭位置;阀元件操作通道503，引导阀元件505的移动并随着阀元件505移动到阀打开位置而与排出口31连通通过从排出口31排出的燃料和从阀芯操作通道503分支的燃料流路507，与排出口31一起与运动o一起连通 f从阀打开位置的阀关闭位置开始，并将从排出口31排出的燃料引入下游侧。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008057721A Pressure regulating valve 审中-公开
标题翻译：压力调节阀
公开(公告)号：JP2008057721A
公开(公告)日：2008-03-13
申请号：JP2006237536
申请日：2006-09-01
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： KATO NOBUHIRO , MATSUBARA MAMORU , MURAKAMI KENICHI , HANAI AKIHIRO
IPC分类号： F16K17/04 , F02M37/00 , F16K1/34 , F16K47/02 , G05D16/06
摘要： PROBLEM TO BE SOLVED: To prevent vibration of a pressure regulating valve in a low flow rate area. SOLUTION: This pressure regulating valve has a control pressure chamber C and a pressure regulating chamber P partitioned by a diaphragm 15, a valve body 17 displacing in the axial direction together with the diaphragm 15, and a valve seat 23 for abutting on and separating from the valve body 17. The pressure regulating valve is constituted so that when diaphragm pressing force by fluid in the pressure regulating chamber P is larger than diaphragm pressing force from the control pressure chamber C side, the diaphragm 15 opens a fluid discharge passage 22 by lifting the valve body 17. A shape of the valve body 17 and the valve seat 23 and a diametrical dimension of the fluid discharge passage 22 are set so that the relationship between a fluid flow rate Q (liter/time) flowing in the fluid discharge passage 22 and a lift quantity X (μm), becomes Q ÷ X COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止在低流量区域中的压力调节阀的振动。解决方案：该压力调节阀具有由隔膜15隔开的控制压力室C和压力调节室P，与隔膜15一起沿轴向移动的阀体17和用于抵接的阀座23 并且与阀体17分离。压力调节阀构成为，当压力调节室P中的流体的隔膜按压力大于来自控制压力室C侧的隔膜按压力时，隔膜15打开流体排出通道阀体17和阀座23的形状以及流体排出通道22的直径尺寸被设定为使流体流动的流体流量Q（升/时）流体排出通道22和提升量X（μm）成为Q÷X <0.46，在阀体17的提升量X至阀座23的范围内小于150（μm）。
版权：（ C）2008，JPO＆INPIT

3. 发明专利

JP2007182851A Wesco pump 审中-公开
标题翻译： WESCO泵
公开(公告)号：JP2007182851A
公开(公告)日：2007-07-19
申请号：JP2006002734
申请日：2006-01-10
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： NAKAGAWA SHU , MATSUBARA MAMORU , KATO NOBUHIRO
IPC分类号： F04D5/00
摘要： PROBLEM TO BE SOLVED: To provide a Wesco pump capable of preventing sliding loss and wear and improving pump performance by preventing the inclination of an impeller in a pump casing.
SOLUTION: When the impeller 36 rotates, the impeller 36 is pressed by the fuel fed out of a central side to an outer peripheral side in a group 38b of channels formed in a discharge side casing 38 to generate lift in the impeller 36. The group 38b of channels in the vicinity (a region B) of a discharge port 50 having large difference in pressure between an upper face and a lower face of the impeller 36 are formed in a close interval manner, and the group 38b of channels in a part other than it (a region C) are formed in a coarse interval manner. Since large amount of fuel is fed out from the central side to the outer peripheral side in the region B in which intervals between channels are closely formed, difference in pressure between the upper face and the lower face of the impeller 36 is offset. Consequently, it is possible to suppress the inclination of the impeller 36 for a shaft, prevent sliding loss and wear, and improve pump performance.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止滑动损耗和磨损并且通过防止泵壳体中的叶轮的倾斜来提高泵性能的Wesco泵。解决方案：当叶轮36旋转时，叶轮36被从中心侧的燃料挤压到形成在排放侧壳体38中的通道组38b中的外周侧，以在叶轮36中产生升力在叶轮36的上表面和下表面之间的压力差大的排出口50的附近（区域B）的通道组38b以紧密间隔的方式形成，通道组38b 在其以外的部分（区域C）以粗略间隔的形式形成。由于在区域B中从中心侧向外周侧供给大量的燃料，在区域B内形成有通道之间的间隔，所以叶轮36的上表面和下表面之间的压力差被抵消。因此，可以抑制叶轮36对于轴的倾斜，防止滑动损失和磨损，并且提高泵的性能。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007071534A Liquid level sensor 审中-公开
标题翻译：液位传感器
公开(公告)号：JP2007071534A
公开(公告)日：2007-03-22
申请号：JP2005255278
申请日：2005-09-02
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： OSAWA YOSHIKAZU , MATSUBARA MAMORU , NAGAI TAKASHI
IPC分类号： G01F23/56 , G01F23/62
摘要： PROBLEM TO BE SOLVED: To facilitate by changing the shape of a case involving a float, when changing by the liquid amount in a container, a time (responsiveness) until a changed position is detected by the float at a level changing time in the container, compared with a case wherein a responsiveness change is processed electrically.
SOLUTION: This liquid level sensor 1 having the container 2 for storing liquid, the float 4 for liquid level detection, the case 3 involving the float, and a liquid communicating hole 3c for communicating the case 3 inside with the container 2 inside, is formed so that the horizontal sectional area in the case 3 is changed in the vertical direction.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了通过改变涉及浮子的壳体的形状来改变容器内的液体量，直到通过浮子在水平改变时间检测到改变位置的时间（响应性）在容器中与电响应性变化的情况相比较。解决方案：该液面传感器1具有用于储存液体的容器2，用于液面检测的浮子4，涉及浮子的壳体3和用于将壳体3向内部与容器2内部连通的液体连通孔3c 形成为使得壳体3中的水平截面积在垂直方向上变化。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007064952A Liquid level sensor 审中-公开
标题翻译：液位传感器
公开(公告)号：JP2007064952A
公开(公告)日：2007-03-15
申请号：JP2005255222
申请日：2005-09-02
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： OSAWA YOSHIKAZU , MATSUBARA MAMORU
IPC分类号： G01F23/56 , G01F23/62 , G01F23/76
摘要： PROBLEM TO BE SOLVED: To prevent the remaining quantity of a liquid from being displayed erroneously in a liquid level sensor using a float, even if the level of the liquid varies, due to temporary inclination of its container. SOLUTION: In the liquid level sensor 1 which has a regulating member 3 for regulating the horizontal movement of the float 4 put in the container containing the liquid, and detects the liquid level by vertical movement of the float 4, the float 4 and the regulating member 3 are provided with a locking means (A), which locks on and prevents upward and downward movements of the float 4, when their axes X1, X2 incline relative to a predetermined angle θ. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止液体的剩余量错误地显示在使用浮子的液位传感器中，即使液体的液位变化，由于其容器的暂时倾斜。解决方案：在液位传感器1中，具有用于调节放置在容纳液体的容器中的浮子4的水平移动的调节构件3，并且通过浮子4的垂直运动来检测液面，浮子4 并且调节构件3设置有锁定装置（A），当锁定装置的轴线X1，X2相对于预定角度θ倾斜时，锁定装置（A）锁定并防止浮子4的向上和向下运动。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2009022131A Armature for motor and pump 审中-公开
标题翻译：电机和泵的装置
公开(公告)号：JP2009022131A
公开(公告)日：2009-01-29
申请号：JP2007184224
申请日：2007-07-13
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： KAWAI YUTA , MATSUBARA MAMORU
IPC分类号： H02K1/24 , F04B53/00 , F04D5/00 , F04D29/00 , H02K1/30 , H02K7/14
摘要： PROBLEM TO BE SOLVED: To provide an armature being manufactured with high efficiency and reducing friction against fluid. SOLUTION: This armature accommodated in a motor casing filled with liquid is provided with a laminated core in which a plurality of magnetic plates 17 are laminated. Each of the magnetic plates 17 includes: an outermost circumferential edge 17d extending along an arc with a certain radius around the center; and recessed portions recessed inside from the outermost circumferential edge 17d at a plurality of portions in the circumferential direction of the outermost circumferential edge 17d. When observed from the laminating direction, the plurality of magnetic plates 17 are laminated with a positional relationship in which the recessed portions are aligned in the same circumferential position and the radius of the outermost circumferential edge 17d changes in a period of an integral multiple of thicknesses in the magnetic plates 17 along a direction in parallel with the center line. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供以高效率制造并减少对流体的摩擦的电枢。解决方案：容纳在充满液体的马达壳体中的该衔铁设置有多个磁性板17层叠的层叠铁心。每个磁性板17包括：围绕中心以一定半径沿弧线延伸的最外周边缘17d; 以及在最外周缘17d的圆周方向上的多个部分从最外周缘17d向内凹陷的凹部。当从层叠方向观察时，多个磁性板17以相同的圆周位置排列凹部的位置关系层叠，最外周缘17d的半径在厚度的整数倍的周期内变化沿着与中心线平行的方向在磁性板17中。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2007297970A Pump 审中-公开
标题翻译： PUMP
公开(公告)号：JP2007297970A
公开(公告)日：2007-11-15
申请号：JP2006126268
申请日：2006-04-28
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： NAKAGAWA SHU , MATSUBARA MAMORU
IPC分类号： F04D5/00
摘要： PROBLEM TO BE SOLVED: To effectively inhibit contact of an impeller and a casing in a pump having a depressed grooves generating lift formed on the impeller and/or the casing.
SOLUTION: This pump 10 is provided with a roughly disk shape impeller 36 and a casing 39 rotatably storing the impeller 36, sucks fluid to pump channels 44, 46 in the casing 39 and raises pressure thereof by rotation of the impeller 36, and delivers the fluid out of the casing 39. The depressed groove 36c sealed from the pump channels 44, 46 is formed on at least either the surface of the impeller 36 in a suction side or the casing inner surface 40b in the suction side opposing to the surface of the impeller 36, but no depressed groove sealed from the pump channels 44, 46 is formed on a surface of the impeller 36 in a delivery side and a casing inner surface 38b in the delivery side opposing to the surface of the impeller 36.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了有效地抑制在具有形成在叶轮和/或壳体上的凹槽产生升力的泵中的叶轮和壳体的接触。解决方案：该泵10设置有大致圆盘状的叶轮36和可旋转地容纳叶轮36的壳体39，将流体吸入壳体39中的泵通道44,46，并通过叶轮36的旋转而升高其压力，并将流体从壳体39输出。从泵通道44,46密封的凹槽36c形成在吸入侧的叶轮36的至少两个表面或与吸入侧的吸入侧的壳体内表面40b中叶轮36的表面，但没有与泵通道44,46密封的凹槽形成在输送侧的叶轮36的表面和与叶轮36的表面相反的输送侧的壳体内表面38b 版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007017320A Fluid volume detecting device 审中-公开
标题翻译：流体检测装置
公开(公告)号：JP2007017320A
公开(公告)日：2007-01-25
申请号：JP2005200004
申请日：2005-07-08
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： OSAWA YOSHIKAZU , MATSUBARA MAMORU
IPC分类号： G01F23/00 , B60K15/077 , G01F17/00
摘要： PROBLEM TO BE SOLVED: To suppress the occurrence of measuring errors due to interference of the acoustic wave emitted from a loudspeaker with the other environmental noises, by eliminating the use of the loudspeaker sound source emitting the acoustic wave while changing the frequency in conventional technique.
SOLUTION: A Helmholtz resonator is comprised of a gas phase section 4 above the liquid level 3 of fuel 2 stored in a fuel tank 1 and an acoustic tube 5. Operating sound of a fuel pump 6 is introduced into air in the resonator to vibrate it. This vibration is detected with a microphone and is converted to the electric signal. This signal is amplified with a micro-amplifier 8 and spectral analysis is carried out at a frequency analysis device 9 using FFT analyzer. Since the maximum value of spectrum is the Helmholtz resonance frequency of the resonator, volume of the gas phase section 4 is derived based on the resonance frequency and the fuel remaining quantity can be computed by subtracting that volume from the whole volume of the tank 1.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了抑制由于扬声器发出的声波与其他环境噪声的干扰而导致的测量误差的发生，通过消除在发射声波的扬声器声源的同时改变频率常规技术。解决方案：亥姆霍兹共振器由存储在燃料箱1和声管5中的燃料2的液面3上方的气相部分4组成。燃料泵6的操作声音被引入谐振器的空气中振动它用麦克风检测该振动，并将其转换为电信号。该信号用微放大器8放大，并且使用FFT分析器在频率分析装置9进行频谱分析。由于频谱的最大值是谐振器的亥姆霍兹共振频率，所以基于谐振频率导出气相部分4的体积，并且可以通过从容器1的整个体积中减去该体积来计算燃料剩余量。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007003269A Liquid level detector 审中-公开
标题翻译：液位检测器
公开(公告)号：JP2007003269A
公开(公告)日：2007-01-11
申请号：JP2005181785
申请日：2005-06-22
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： OSAWA YOSHIKAZU , MATSUBARA MAMORU
IPC分类号： G01F23/30 , G01F23/62
摘要： PROBLEM TO BE SOLVED: To provide a liquid level detector allowing high detection precision by raising/lowering a liquid level in a case suddenly in accordance with a sudden rise/drop in a liquid level when the container is refueled and by reducing fluctuations in the liquid level in the case when the liquid level fluctuates caused by a temporary tilting of the container.
SOLUTION: The liquid level detector comprises the container containing liquid, a float 4 for liquid level detection, the case 3 including the float 4, and a liquid communication hole 3f allowing communication between the inside of the case 3 and the container containing the liquid. A variable means 1 is provided which changes the flow channel area of the liquid communication hole 3f.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种液位检测器，其通过在容器加油时根据液面的突然上升/下降突然升高/降低液位而提供高检测精度，并且通过减少波动在由容器的暂时倾斜引起的液位波动的情况下的液面。液体检测器包括容纳液体的容器，用于液面检测的浮子4，包括浮子4的壳体3和允许壳体3的内部与容纳容器之间的连通的液体连通孔3f 液体。提供改变液体连通孔3f的流路面积的变量装置1。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2009038943A Motor armature and pump 审中-公开
标题翻译：电机臂和泵
公开(公告)号：JP2009038943A
公开(公告)日：2009-02-19
申请号：JP2007203209
申请日：2007-08-03
申请人： Aisan Ind Co Ltd , 愛三工業株式会社
发明人： KAWAI YUTA , MATSUBARA MAMORU
IPC分类号： H02K1/22 , F04D5/00 , F04D29/00 , H02K7/14
摘要： PROBLEM TO BE SOLVED: To provide an armature that reduces friction against liquid.
SOLUTION: The armature 12 is stored in a motor casing 30 filled with a liquid. At least a part of its outer peripheral face is formed of a porous material having a plurality of voids. By the armature 12, liquid discharge and liquid absorption occur on its outer peripheral face during rotation of the armature 12. Friction between the outer peripheral face of the armature 12 and a liquid around it is thereby reduced.
COPYRIGHT: (C)2009,JPO&INPIT

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