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    • 61. 发明专利
    • Vibration compressor
    • 振动压缩机
    • JPS6138177A
    • 1986-02-24
    • JP15749984
    • 1984-07-30
    • Hitachi Ltd
    • ISHII MASAHARUFUKUDA TAMIOSATO EIJINAKAMURA YOZONAKAMURA MITSURU
    • F04B35/04
    • PURPOSE: To improve the resonance characteristic of vibration system by providing members for regulating the volume of cylinder spaces in a pair of gas spring elements to be coupled to the opposite sides of vibration motor thereby setting the gas spring constant to proper level.
      CONSTITUTION: In a vibration compressor, a pair of gas spring elements are coupled to the opposite sides of vibration motor comprised of a stator 1 and a vibration chip 2 while a pair of compression elements are coupled to the outside of each element. The gas spring element is comprised of a piston 4 arranged through rods 3 (3a, 3b) to the opposite sides of vibration chip 2 and a cylinder 5 surrounding said piston 4 while the compression element is comprised of a piston 8 to be fixed to the rod 3 and a surrounding cylinder 9. Here, the chambers 6a, 6b and 7a, 7b where compression and expansion will occur synchronously with the cylinder 5 are communicated respectively through paths 20a, 20b. While regulation seats 21a, 21b concerning with the volume regulation member are provided in respective chamber 6a, 7b.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了提高振动系统的谐振特性,通过提供用于调节一对气体弹簧元件中的气缸空间体积的构件,以耦合到振动电机的相对侧,从而将气弹簧恒定到适当水平。 构成:在振动压缩机中,一对气弹簧元件连接到由定子1和振动片2构成的振动马达的相对侧,而一对压缩元件连接到每个元件的外部。 气弹簧元件包括一个通过杆3(3a,3b)延伸到振动片2相对侧的活塞4和围绕活塞4的缸体5,而压缩元件由活塞8组成,以固定到 杆3和周围的缸体9.这里,与气缸5同步发生压缩和膨胀的室6a,6b和7a,7b分别通过路径20a,20b连通。 在与容积调节件相关的调节座21a,21b设置在各室6a,7b中。
    • 62. 发明专利
    • Motor integral type internal gear pump and electronic device
    • 电动整体式内齿轮泵和电子装置
    • JP2006177291A
    • 2006-07-06
    • JP2004372969
    • 2004-12-24
    • Hitachi LtdTaiwan Hitachi Co Ltd台湾日立股▲分▼有限公司株式会社日立製作所
    • KAMETANI HIROCHIKANAKANISHI MASATOSATO EIJIYANASE YUICHIAIZAWA KOJI
    • F04C2/10F04C15/00
    • F04C15/0034F04C2/086F04C2/102F04C15/0065F04C15/008F04C2240/52F04C2240/60
    • PROBLEM TO BE SOLVED: To increase reliability of a compact motor integral type internal gear pump while maintaining its inexpensive function. SOLUTION: A pump part 81 of the motor integral type internal gear pump 80 is provided with an inner rotor 1 formed with teeth at the outer periphery, an outer rotor 2 formed with teeth meshing with them at the inner periphery, a pump casing for storing both rotors 1, 2, and an inner rotor supporting shaft 5 for supporting the inner rotor 1. A motor part 81 is provided with a rotor 11 arranged on an inner side of the pump casing and a stator 12 arranged on an outer side of the pump casing. The pump casing is composed of two casing members 3, 4 having an outer rotor bearing part 22 facing both side faces of the outer rotor 2 and the inner rotor 1 and journaling both sides of the outer rotor 2. The inner rotor supporting shaft 5 is provided to have an inner rotor bearing part 50 being eccentric for the outer rotor 2 to support the inner rotor 1 rotatably and connect two casing members 3, 4 substantially concentrically with the outer rotor bearing part 22. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提高紧凑型电机整体式内齿轮泵的可靠性,同时保持其廉价的功能。 解决方案:电动机一体式内齿轮泵80的泵部81设置有在外周形成有齿的内转子1,在内周形成有与其啮合的齿的外转子2,泵 用于存储转子1,2和用于支撑内转子1的内转子支撑轴5的壳体。电动机部81设置有设置在泵壳体的内侧的转子11和布置在外转子 泵壳的一侧。 泵壳体由具有外转子轴承部分22的外转子轴承部分22和外转子2的内侧转子2的两侧表面和外转子2的两侧的外壳构件3,4构成。内转子支承轴5为 被设置为具有内转子轴承部件50,该内转子轴承部件50对于外转子2是偏心的,以可旋转地支撑内转子1,并将两个外壳部件3,4基本上与外转子轴承部件22同心地连接起来。(C)2006 ,JPO&NCIPI
    • 64. 发明专利
    • LOAD DETECTION APPARATUS
    • JP2003149059A
    • 2003-05-21
    • JP2001346840
    • 2001-11-13
    • HITACHI LTD
    • SATO EIJIOKADA YUKOHAYASHI MASAKATSUFUKUMOTO CHIHIRO
    • G01L1/26
    • PROBLEM TO BE SOLVED: To provide a load detection apparatus with a high-reliability overload preventive function which suppresses irregularities in the setting of a limit load and which eliminates a disconnection of a lead wire in a strain takeout part. SOLUTION: In the load detection apparatus, a load is made to act via a load detector 1 which is flexure-deformed according to the magnitude of an applied load and via a load reception part 8 with reference to a load action part 6 in the load detector 1, and the load is detected. An elastic body 9 whose deformation amount is larger than the flexure deformation amount of the load detector 1 is interposed between the load action part 6 in the load detector 1 and the load reception part 8. Since the load detector 1 can be fixed to a base 2, the disconnection of the lead wire 22 in the strain takeout part can be eliminated. Since a leaf spring 9 is interposed between the load action part 6 in the load detector 1 and the load reception part 8 in a load action member 3, it is possible to suppress the setting of the limit load from being irregular.
    • 65. 发明专利
    • Granulated body of sludge and plastic
    • 砂浆和塑料颗粒体
    • JP2003024992A
    • 2003-01-28
    • JP2001219877
    • 2001-07-19
    • Hitachi Ltd株式会社日立製作所
    • TAKEDA FUMIOSATO EIJI
    • C02F11/00
    • PROBLEM TO BE SOLVED: To reduce fuel charged when inorganic sludge is baked.
      SOLUTION: Waste plastic is molded into a cylindrical shape and sludge is housed in the hollow part of the molded cylinder to form capsule-like granulated body 24. Alternatively, waste plastic is molded into two upper and lower flat plate-shaped plastics and sludge is held between two flat plate-shaped plastics to obtain a sandwich-like granulated body. Furthermore, waste plastic and sludge are mixed to obtain a mixed granulated body. Further, grooves or projections may be provided on the outer peripheral surface of each of the granulated bodies.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了减少无机污泥烘烤时的燃油。 解决方案:将废塑料成型为圆柱形,将污泥装入模制圆筒的中空部分,形成胶囊状颗粒体24.或者,将废塑料模制成两个上下平板状塑料,污泥为 保持在两个平板状塑料之间,以获得三明治状的粒状体。 此外,将废塑料和污泥混合以获得混合颗粒体。 此外,可以在每个颗粒体的外周表面上设置凹槽或突起。
    • 66. 发明专利
    • CATHODE-RAY TUBE DIVIDING DEVICE
    • JP2001068026A
    • 2001-03-16
    • JP23772399
    • 1999-08-25
    • HITACHI LTD
    • SATO EIJIHAYASHI MASAKATSUOKADA YUKOFUKUMOTO CHIHIRO
    • H01J9/50B09B5/00
    • PROBLEM TO BE SOLVED: To provide a dividing device for a substantially rectangular cathode- ray tube into a panel part and a funnel part involving less possibility of uneven heating of the divisional surfaces and having no generation of local breakages. SOLUTION: The divisional surfaces of a cathode-ray tube 2 installed on a rotary table 1 are heated uniformly by a gas burner 6. A drive controller 36 operates at a certain distance between each divisional surface and the tip of gas burner in conformity to the signal obtained by sensing the position of the divisional surface with respect to the rotational center, and a gas burner driving means 5 is actuated according to the rotational position of the rotary table 1. This allows for maintaining a prescribed distance along the divisional surfaces of the panel part and funnel part and also heating with a constant heating speed. Because the requisite data is taken, prior to dividing in the condition that the cathode-ray tube is installed in place, it can cope satisfactorily with any cathode-ray tube of varying sorts and sizes and works with the tube may be conducted, even if the center of the tube is misaligned from the center of the rotary table.
    • 70. 发明专利
    • INVERTER EQUIPMENT
    • JPH07221232A
    • 1995-08-18
    • JP908994
    • 1994-01-31
    • HITACHI LTD
    • SATO EIJITAKESO MASANORIFUKUSHIMA TOSHIHIKOKUDO MITSUO
    • H01L23/427H01L23/467
    • PURPOSE:To prevent temperature rise of the inner air of a case in an inverter equipment of closed structure, by installing a heat exchanger and an inner cooling fan in the case, and forming a heat transfer path for conveying heat of the inner air to the outside via the heat exchanger. CONSTITUTION:An inner cooling fan 17 is installed in the vicinity of a heat exchanger 12 in a case 4. Cooling water which passes a circulating pump 18 and a radiator 19 and is cooled is sent into a pipe 14 of the heat exchanger and a cooling water pipe for a heat sink. The inner air is circulated in the arrow direction by the cooling fan 17. The air outputted from the heat exchanger 12 receives heat from electronic circuit boards 3 and a power supply part 1 and is warmed up. The heat is transferred to the cooling water when the air passes the heat exchanger 12, and the inner air is cooled. The heat transferred to the cooling water via the heat exchanger 12 and the heat of power elements transmitted from the heat sink are dispersed to the outside by a radiator 18. Thus temperature rise of the air in the closed structure can be prevented.