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    • 3. 发明授权
    • Oil pump
    • 油泵
    • US07435066B2
    • 2008-10-14
    • US11385665
    • 2006-03-22
    • Kazuo EnzakaYasunori OnoSentaro NishiokaMasahiro KasaharaAtsushi Kaneko
    • Kazuo EnzakaYasunori OnoSentaro NishiokaMasahiro KasaharaAtsushi Kaneko
    • F01C1/02F01C1/063
    • F04C15/0049F04C15/06F04C2250/102
    • The present invention provides an oil pump in which eroding of the inside of the pump due to cavitation and erosion is prevented by minimizing the pressure change in a fluid when inter-tooth spaces formed by an inner rotor and an outer rotor transport the fluid from the intake port to the discharge port. The oil pump comprises: an inner rotor; an outer rotor; an intake port; a discharge port; a transfer side partition part formed between a terminal end of the intake port and a leading end of the discharge port; and a shallow groove which is formed in the transfer side partition part, and which communicates with the discharge port but does not communicate with the intake port. The shallow groove does not intersect with the cell on the transfer side partition part, and is positioned farther inward than the circular locus of the gear bottom parts of the inner rotor. The shallow groove communicates with the cell through a side clearance between the transfer side partition part and the rotor side surfaces of the inner rotor and the outer rotor.
    • 本发明提供一种油泵,其中,通过使由内转子和外转子形成的齿间间隙使流体从 进气口到排放口。 油泵包括:内转子; 外转子 进气口 排放口; 形成在所述进气口的末端和所述排出口的前端之间的传送侧分隔部; 以及形成在传送侧分隔部中并且与排出口连通但不与进气口连通的浅槽。 浅槽不与转印侧分隔部上的单元相交,并且位于比内转子的齿轮底部的圆形轨迹更靠内侧。 浅槽通过转印侧分隔部与内转子和外转子的转子侧面之间的侧间隙与电池连通。
    • 4. 发明授权
    • Trochoid type oil pump
    • 齿轮式油泵
    • US07165955B2
    • 2007-01-23
    • US10896021
    • 2004-07-22
    • Kazuo EnzakaYasunori OnoMasahiro KasaharaYoshiaki SengaKen KanekoTakahiro Sato
    • Kazuo EnzakaYasunori OnoMasahiro KasaharaYoshiaki SengaKen KanekoTakahiro Sato
    • F01C1/10
    • F04C15/06F04C2/102F04C15/0049
    • It is an object of the present invention to provide a trochoid type oil pump in which erosion of the rotor surfaces caused by cavitation is minimized, vibration and noise are reduced, and the structure is greatly simplified. The trochoid type oil pump of the present invention comprises a rotor chamber which has an intake port and a discharge port, an outer rotor, an inner rotor, and shallow grooves which are formed on the side of the initial end portion of the discharge port on the circular circumference of the track of the positions of the bottom portions of the teeth created by the rotation of the outer rotor. In a state in which the sealed spaces formed by the outer rotor, the inner rotor and a partition part between the final end portion of the intake port and the initial end portion of the discharge port are reduced in volume from the maximum volume, the sealed spaces Sa are caused to communicate with the shallow grooves.
    • 本发明的目的是提供一种摆线型油泵,其中由空穴引起的转子表面的侵蚀最小化,减少了振动和噪音,并且大大简化了结构。 本发明的次摆线型油泵包括:转子室,其具有形成在排出口的初始端部侧的进气口和排出口,外转子,内转子和浅槽, 通过外转子的旋转产生的齿的底部的位置的轨道的圆周。 在由外转子形成的密封空间,内转子和进气口的最终端部与排出口的初始端部之间的分隔部的容积从最大容积减小的状态下,密封 使空间Sa与浅槽沟通。
    • 6. 发明申请
    • Relief valve structure
    • 泄压阀结构
    • US20100078085A1
    • 2010-04-01
    • US12585936
    • 2009-09-29
    • Yoshitaka KurokawaMasahiro KasaharaYoshiro Umezawa
    • Yoshitaka KurokawaMasahiro KasaharaYoshiro Umezawa
    • F16K17/02
    • F16K17/0473Y10T137/7904Y10T137/7925
    • To provide a relief valve structure for an oil pump, which is capable of appropriately controlling/switching the discharge pressure and flow rate of oil to an optimum condition in low, middle and high speed regions of an engine. The relief valve structure has: a relief valve having formed therein a valve flow path for communicating between a valve head part and an outer circumferential side part; a valve housing in which a valve passage accommodating the relief valve is formed; a relief flow-in part formed on an axial direction one end side of the valve passage and communicating with the valve passage; a first discharge part formed in the valve housing and communicating with the valve flow path by the movement of the relief valve; and a second discharge part that is opened by allowing the valve head part to pass therethrough. The second discharge part is positioned nearer to the relief flow-in part than the first discharge part. The shortest gap between an outer circumferential side part opening of the valve flow path and the first discharge part is the same as or shorter than the shortest gap between the valve head part and the second discharge part during an initial state of the relief valve.
    • 提供一种用于油泵的安全阀结构,其能够适当地控制/切换排出压力和油的流量到发动机的低,中,高速区域的最佳状态。 安全阀结构具有:安装阀,其中形成有用于在阀头部和外周侧部之间连通的阀流路; 阀壳体,其中形成有容纳所述安全阀的阀通道; 所述泄压流入部形成在所述阀通路的轴向一端侧,与所述阀通路连通; 第一排出部,其形成在所述阀壳体中,并且通过所述安全阀的移动与所述阀流路连通; 以及通过允许阀头部分通过而打开的第二排出部。 第二排出部位于比第一排出部更靠近排泄流入部的位置。 在安全阀的初始状态期间,阀流路的外周侧开口与第一排出部之间的最短间隙与阀头部与第二排出部之间的最短间隙相同或短。
    • 8. 发明授权
    • Resonator having loop-shaped electrode
    • 谐振器具有环形电极
    • US5381117A
    • 1995-01-10
    • US112627
    • 1993-08-26
    • Hisatake OkamuraMasahiro KasaharaTetsuo Taniguchi
    • Hisatake OkamuraMasahiro KasaharaTetsuo Taniguchi
    • H01P7/08H03H5/00H03H7/01
    • H01P7/084H03H5/003H03H2001/0085
    • A coil electrode pattern is disposed on one surface of a plate consisting of a dielectric material. The coil electrode pattern is formed in a loop shape. An input/output terminal pattern and an earth terminal pattern are drawn out from the coil electrode pattern toward an end portion of the plate. The input/output terminal pattern and the earth terminal pattern are disposed at a distance from each other so as to provide a predetermined impedance. An earth electrode pattern is formed opposite the dielectric coil electrode pattern with the plate between them. An earth terminal pattern is formed to the earth electrode pattern. The earth terminal pattern of the earth electrode pattern is connected to the earth terminal pattern of the coil electrode pattern. A trimming electrode may be formed for adjusting the resonance frequency of the resonator optionally.
    • 线圈电极图案设置在由介电材料构成的板的一个表面上。 线圈电极图案形成为环形。 输入/输出端子图案和接地端子图案从线圈电极图案朝向板的端部被拉出。 输入/输出端子图案和接地端子图案彼此间隔设置以提供预定的阻抗。 与电介质线圈电极图案相对地形成有接地电极图案,并且它们之间具有板。 接地端子图案形成为接地电极图案。 接地电极图案的接地端子图案连接到线圈电极图案的接地端子图案。 可以形成修整电极,用于调节谐振器的谐振频率。