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1. 发明专利

JP2006291861A Displacement compressor 审中-公开
标题翻译：位移压缩机
公开(公告)号：JP2006291861A
公开(公告)日：2006-10-26
申请号：JP2005114277
申请日：2005-04-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJIMURA KAZUYUKI , TSUCHIYA TAKESHI , HAYASE ISAO , AOKI MAKOTO , YANASE YUICHI , NOZAWA SHIGEKAZU , MATSUNAGA MUTSUNORI , MIYAKE SHIGEJI , NAKAMURA SATOSHI , OTAWARA MASARU
IPC分类号： F04B39/02 , F04B39/06 , F04B39/12 , F04C18/02 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To provide a displacement compressor with a motor having improved efficiency and shaft supporting portions and a sliding portion having improved reliability while restraining an increase in its installation cost and space.
SOLUTION: The displacement compressor comprises a sealed container 1 storing a compression part and a drive part for driving the compression part. It has an oiling path in which lubricating oil 13 stored in the sealed container 1 is forcibly circulated through shaft supporting portions 3c, 9. A pipe 20 as part of the oiling path is drawn to the outside of the sealed container 1 for heat exchange with outside air.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有提高效率的马达和轴支撑部分的位移压缩机以及具有改进的可靠性的滑动部分，同时抑制其安装成本和空间的增加。解决方案：排量压缩机包括储存压缩部件的密封容器1和用于驱动压缩部件的驱动部件。其具有将密封容器1中储存的润滑油13强制循环通过轴支撑部分3c，9的上油路径。作为上油路径的一部分的管20被抽吸到密封容器1的外部，以与外面的空气版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006177291A Motor integral type internal gear pump and electronic device 有权
标题翻译：电动整体式内齿轮泵和电子装置
公开(公告)号：JP2006177291A
公开(公告)日：2006-07-06
申请号：JP2004372969
申请日：2004-12-24
申请人： Hitachi Ltd , Taiwan Hitachi Co Ltd , 台湾日立股▲分▼有限公司 , 株式会社日立製作所
发明人： KAMETANI HIROCHIKA , NAKANISHI MASATO , SATO EIJI , YANASE YUICHI , AIZAWA KOJI
IPC分类号： F04C2/10 , F04C15/00
CPC分类号： F04C15/0034 , F04C2/086 , F04C2/102 , F04C15/0065 , F04C15/008 , F04C2240/52 , F04C2240/60
摘要： 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
摘要翻译：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

3. 发明专利

JP2006336469A Motor-integrated type internal gear pump, manufacturing method and electronics device 有权
标题翻译：电动综合型内齿轮泵，制造方法及电子设备
公开(公告)号：JP2006336469A
公开(公告)日：2006-12-14
申请号：JP2005158396
申请日：2005-05-31
申请人： Hitachi Ltd , Taiwan Hitachi Co Ltd , 台湾日立股▲分▼有限公司 , 株式会社日立製作所
发明人： KAMETANI HIROCHIKA , NAKANISHI MASATO , YANASE YUICHI , SATO EIJI , AIZAWA KOJI
IPC分类号： F04C2/10 , F04C15/00
CPC分类号： F04C2/102 , F04C15/008 , Y10T29/49242
摘要： PROBLEM TO BE SOLVED: To make a motor-integrated type internal gear pump further inexpensive and highly reliable while maintaining a compact and inexpensive function as the motor-integrated type internal gear pump. SOLUTION: The motor-integrated type internal gear pump 80 comprises a pump section 81 which has an inner rotor 1, an outer rotor 2, a pump casing and an inner shaft 5. The pump casing has flat inner surfaces opposed to both end surfaces of the inner rotor 1 and the outer rotor 2. The inner shaft 5 has a bearing part 51 inserted in a shaft hole of the inner rotor 1 and an engagement part 53 extending from the both end surfaces to both axial sides. The pump casing is comprised of two pump casing members 3, 4 which respectively define the flat inner surfaces 25, 26 as separate members. The engagement part 53 of the inner shaft 5 is fitted in engagement holes 27a, 28a formed in the flat inner surfaces of the two pump casing members 3, 4 and the two pump casing members 3, 4 are joined with each other at portions outer than an outer diameter of the outer rotor with the flat inner surfaces 25, 26 contacted with opposite ends of the bearing part 51. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了使电动机一体型的内齿轮泵更廉价和高度可靠，同时保持作为电动机一体型的内齿轮泵的紧凑且廉价的功能。电动机一体型内齿轮泵80包括泵部81，泵部81具有内转子1，外转子2，泵壳体和内轴5.泵壳体具有与两者相对的平坦的内表面内转子1和内转子2的端面。内轴5具有插入在内转子1的轴孔内的轴承部51和从两端面向两轴方向延伸的卡合部53。泵壳由两个泵壳体构件3,4组成，泵壳体构件3,4分别限定平坦的内表面25,26作为分开的构件。内轴5的接合部53嵌合在形成于两个泵壳部件3,4的平坦的内表面的卡合孔27a，28a中，两个泵壳部件3,4彼此接合。具有平坦内表面25,26的外转子的外径与轴承部分51的相对端接触。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005233096A Scroll fluid machine 有权
标题翻译：滚动流体机
公开(公告)号：JP2005233096A
公开(公告)日：2005-09-02
申请号：JP2004043933
申请日：2004-02-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAMURA SATOSHI , NOZAWA SHIGEKAZU , MATSUNAGA MUTSUNORI , OTAWARA MASARU , YASUNORI TOSHINORI , TSUCHIYA TAKESHI , YANASE YUICHI , FUJIMURA KAZUYUKI , HASEGAWA SHUJI
IPC分类号： F04C29/02 , F04C18/02
摘要： PROBLEM TO BE SOLVED: To provide a scroll fluid machine which materializes a reduction in compressor input by improving an efficiency of an electric motor.
SOLUTION: In a scroll fluid machine 1, a sealed container 100 includes a compression mechanism 2 in which a compression chamber 81 is formed by combining a fixed scroll 6 and a turning scroll 5, an electric motor 3 for driving the compression mechanism 2, a driving shaft 8 for coupling a crank part 12 to the turning scroll 5, a bearing 63 provided to one side of the electric motor 3 and a drainage pipe 60 for leading oil for lubricating the bearing 63 through a recess 18a in an outer periphery of the stator 18 in the electric motor 3. The drainage pipe 60 passing through the recess 18a is formed in a flat cylinder thinned down in a radial direction of the stator 18. The recess 18a is made shallow corresponding to the flat cylindrical shape of the drainage pipe 60.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过提高电动机效率来实现压缩机输入减少的涡旋流体机械。解决方案：在涡旋流体机1中，密封容器100包括压缩机构2，压缩机构2通过组合固定涡卷6和转动涡旋件5而形成压缩室81，电动机3用于驱动压缩机构如图2所示，用于将曲柄部分12联接到转动涡旋件5的驱动轴8，设置在电动机3一侧的轴承63和用于引导用于通过外部的凹部18a润滑轴承63的油的排水管60 通过凹部18a的排水管60形成为沿定子18的径向减薄的扁圆筒。凹部18a相当于扁平圆筒形状排水管60.版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2007138885A Refrigerant compressor 有权
标题翻译：制冷压缩机
公开(公告)号：JP2007138885A
公开(公告)日：2007-06-07
申请号：JP2005336690
申请日：2005-11-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YANASE YUICHI , TSUCHIYA TAKESHI , MATSUNAGA MUTSUNORI , NAKAMURA SATOSHI , HASEGAWA SHUJI
IPC分类号： F04B39/02 , F04C18/02 , F04C29/02
摘要： PROBLEM TO BE SOLVED: To improve reliability by securing an oil feeding quantity by preventing foaming of a refrigerant in a pump guide part while feeding oil even if an oil level of lubricating oil lowers below a suction port of a lubrication pump in a refrigerant compressor.
SOLUTION: This refrigerant compressor stores a compression mechanism part 16, an electric motor part 5, a rotary shaft 7, bearings 9, 25 and 28 and the lubrication pump 50 in a sealed vessel 1 of forming an oil reservoir 13 in a bottom part. The lubrication pump 50 has a trochoidal tooth type pump mechanism part 24, a pump case part 22A having a substantially semicircular arc-shaped suction port 22a to the pump mechanism part 24 and a pump guide part 22B extending downward from this pump case part 22A and having an oil introducing hole 22c for guiding the lubricating oil stored in the oil reservoir 13 to the suction port 22a from an introducing port 22b of an under surface. The oil introducing hole 22c is formed of the same or gradually expanding flow passage reaching the introducing port 22b from the suction port 22a.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了通过在供油时防止泵引导部分中的制冷剂的发泡来确保供油量来提高可靠性，即使润滑油的油位低于润滑油的吸入口低于制冷压缩机。解决方案：该制冷剂压缩机将压缩机构部分16，电动机部件5，旋转轴7，轴承9,25和28以及润滑泵50存储在形成油箱13的密封容器1中底部。润滑泵50具有摆线齿型泵机构部24，具有大致半圆弧形的吸入口22a到泵机构部24的泵壳部22A和从该泵壳部22A向下延伸的泵引导部22B，具有用于从存储在储油器13中的润滑油从下表面的导入口22b向吸入口22a引导的油引入孔22c。油引入孔22c由从吸入口22a到达导入口22b的相同或逐渐扩大的流路形成。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007009787A Motor-integrated internal gear pump and electronic equipment 审中-公开
标题翻译：电动综合内齿轮泵和电子设备
公开(公告)号：JP2007009787A
公开(公告)日：2007-01-18
申请号：JP2005190933
申请日：2005-06-30
申请人： Hitachi Ltd , Taiwan Hitachi Co Ltd , 台湾日立股▲分▼有限公司 , 株式会社日立製作所
发明人： NAKANISHI MASATO , KAMETANI HIROCHIKA , YANASE YUICHI , SATO EIJI , AIZAWA KOJI
IPC分类号： F04C2/10 , F04C15/00 , H02K7/116
CPC分类号： F04C2/084 , F04C2/102 , F04C15/008 , F04C2240/52
摘要： PROBLEM TO BE SOLVED: To provide a motor-integrated internal gear pump and electronic equipment in which an inexpensive and miniaturized pump is provided, and a high degree of reliability is ensured, while maintaining the inexpensive function.
SOLUTION: The motor-integrated internal gear pump 80 comprises a pump part 81 for sucking and discharging hydraulic fluid, and a motor part 82 for driving the pump part 81. The pump part 81 comprises an internal rotor 1 with teeth formed on the outside periphery, an external rotor 2 with teeth formed on the inside periphery to be meshed with the teeth of the internal rotor 1, and pump casings 3, 4 for enclosing the internal rotor 1 and the external rotor 2. The motor part 82 comprises a rotor 11 and a stator 12 for rotating the rotor 11. The rotor 11 and the external rotor 2 are formed by sharing a permanent magnet member 112 prepared by adding magnetic powder in a resin.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种电动机一体化的内齿轮泵和电子设备，其中提供廉价的小型化泵，并且在保持廉价的功能的同时保证了高可靠性。电机集成内齿轮泵80包括用于吸入和排出液压流体的泵部81和用于驱动泵部81的马达部82.泵部81包括内转子1，内转子1形成在外周，具有形成在内周上并与内转子1的齿啮合的齿的外转子2和用于封闭内转子1和外转子2的泵壳3,4。电动机部82包括用于使转子11旋转的转子11和定子12.转子11和外转子2通过共享通过在树脂中添加磁粉而制备的永久磁铁部件112而形成。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006183499A Displacement compressor 审中-公开
标题翻译：位移压缩机
公开(公告)号：JP2006183499A
公开(公告)日：2006-07-13
申请号：JP2004375610
申请日：2004-12-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUCHIYA TAKESHI , YANASE YUICHI , FUJIMURA KAZUYUKI , MATSUNAGA MUTSUNORI , NOZAWA SHIGEKAZU , TOJO KENJI , OHARAGI HARUO , KIKUCHI SATOSHI , KOSOKABE HIROKATSU
IPC分类号： F04B49/06 , F04C18/02 , F04C18/16 , F04C18/356 , F04C28/06
CPC分类号： F04C28/06 , F04C23/008
摘要： PROBLEM TO BE SOLVED: To surely start a displacement compressor without enlarging an outside diameter dimension of the compressor while employing a self-starting synchronous motor exhibiting high energy efficiency.
SOLUTION: The displacement compressor is provided with the self-starting synchronous motor 5 starting as an induction electric motor and pulling into a synchronous operation near a synchronous engine speed, a compression part having a compression chamber 11 for compressing an operation fluid, and a sealed container 4 for housing the self-starting synchronous motor 5 and the compression part. In the displacement compressor, a starting load reduction means 21 for reducing the load of the compression part at the time of starting is positioned in the sealed container 4, and is arranged in the compression part.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：在采用具有高能量效率的自启动同步电动机的情况下，不用扩大压缩机的外径尺寸就可以肯定启动排量压缩机。解决方案：排量压缩机设置有作为感应电动机起动的自启动同步电动机5，并且在同步发动机转速附近进行同步运行，具有用于压缩工作流体的压缩室11的压缩部，以及用于容纳自启动同步电动机5和压缩部的密封容器4。在排气压缩机中，将起动时的压缩部的负荷减小的起动负荷减少机构21配置在密封容器4内，并配置在压缩部。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2006104958A Scroll compressor 审中-公开
标题翻译：滚动压缩机
公开(公告)号：JP2006104958A
公开(公告)日：2006-04-20
申请号：JP2004289574
申请日：2004-10-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YOSUKE YOSHINOBU , MATSUNAGA MUTSUNORI , OTAWARA MASARU , NAKAMURA SATOSHI , HASEGAWA SHUJI , TSUCHIYA TAKESHI , YANASE YUICHI
IPC分类号： F04C18/02
摘要： PROBLEM TO BE SOLVED: To provide superior reliability by exhibiting sufficient bearing yield strength, even when a rotary shaft is deformed, with a simple and inexpensive structure, in a scroll compressor.
SOLUTION: This scroll compressor is constituted by storing a compression mechanism part, the rotary shaft and an electric motor in a sealed vessel; and has a revolving scroll 200 having a sliding bearing 210 and the rotary shaft having a crank pin eccentrically arranged in an upper end part. The rotary shaft is connected to the compression mechanism part by inserting the crank pin of the upper end part into the sliding bearing 210. A high pressure refrigerant such as R 410A is used as fluid compressed by the compression mechanism part, and a tapered part 210b expansively opening to the tip side is arranged on the whole periphery of an end part inner surface on one side of the sliding bearing 210.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使当旋转轴变形时，通过显示足够的轴承屈服强度来提供优异的可靠性，以简单且便宜的结构在涡旋压缩机中。解决方案：该涡旋式压缩机通过将密封容器内的压缩机构部，旋转轴和电动马达进行存储而构成。并具有具有滑动轴承210的旋转涡卷200，旋转轴具有偏心地设置在上端部的曲柄销。旋转轴通过将上端部的曲柄销插入滑动轴承210而与压缩机构部连接。作为压缩机构部压缩的流体，使用R 410A等高压制冷剂，锥形部210b 布置在滑动轴承210的一侧的端部内表面的整个周边上。顶部：（C）2006，JPO＆NCIPI

9. 发明专利

JP2005299496A Scroll compressor 有权
标题翻译：滚动压缩机
公开(公告)号：JP2005299496A
公开(公告)日：2005-10-27
申请号：JP2004116586
申请日：2004-04-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUCHIYA TAKESHI , YANASE YUICHI , FUJIMURA KAZUYUKI , AOKI MAKOTO , NOZAWA SHIGEKAZU , MATSUNAGA MUTSUNORI , NAKAMURA SATOSHI , OTAWARA MASARU , HASEGAWA SHUJI , YOSUKE YOSHINOBU
IPC分类号： F01C1/02 , F01C1/063 , F03C2/00 , F03C4/00 , F04C18/00 , F04C18/02 , F04C23/00 , F04C27/00
CPC分类号： F04C27/005 , F04C18/0246 , F04C23/008
摘要： PROBLEM TO BE SOLVED: To provide a scroll compressor capable of avoiding the generation of chamfer when moving a revolving scroll member backward even if a space between an end plate part of the revolving scroll member and an opposite surface facing to the end plate part is set smaller.
SOLUTION: In the scroll compressor for compressing fluid with a volume change of a compression chamber formed by a fixed scroll member and the revolving scroll member, a movable auxiliary member 151 is provided by assembling it in a frame member between the frame member and the revolving scroll member. The movable auxiliary member has a stopper part 153 for making an abutting surface 153b abut on the end plate 120f of the fixed scroll member, and has a ring member formed of an annular opposite surface facing to the end plate 120f of the revolving scroll member. Furthermore, the movable auxiliary member is energized in the direction of the revolving scroll member by an elastic support means.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种涡旋压缩机，其能够避免在使回转涡卷构件向后移动时产生倒角，即使在回转涡旋构件的端板部分和面向端板的相对表面之间的空间部分设置较小。解决方案：在用于压缩具有由固定涡旋构件和回转涡旋构件形成的压缩室的体积变化的流体的涡旋压缩机中，通过将可移动辅助构件151组装在框架构件之间的框架构件中来提供可移动辅助构件151 和旋转涡旋件。可移动辅助构件具有用于使抵接面153b抵靠在固定涡旋构件的端板120f上的止动部153，并且具有由与旋转涡旋构件的端板120f相对的环形相对面形成的环构件。此外，可动辅助构件通过弹性支撑装置在旋转涡旋构件的方向上被通电。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2000076779A Magnetic disk device 审中-公开
标题翻译：磁盘设备
公开(公告)号：JP2000076779A
公开(公告)日：2000-03-14
申请号：JP24929398
申请日：1998-09-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ARAI KATSUTOSHI , MURANISHI MASARU , TOMITA KENJI , UEFUNE KOUKI , SAEGUSA SHOZO , YANASE YUICHI
IPC分类号： F16C17/10 , F16C33/10 , G11B5/02 , G11B19/20 , G11B25/04 , G11B33/14 , H02K5/16
CPC分类号： F16C33/107 , F16C17/045 , F16C33/1035 , F16C2370/12 , G11B19/2009 , G11B25/043 , G11B33/1446 , G11B33/148 , G11B33/1486 , H02K5/1675 , Y10T29/49025
摘要： PROBLEM TO BE SOLVED: To suppress liquid force in the axial direction onto a hub and fluctuation in the liquid force and to enhance rotary precision in the axial direction by providing an air circulating path penetrating through the axial direction on the hub loading a magnetic disk. SOLUTION: For coping with the axial direction weight acting on the hub 11, magnetic attracting force is provided between a permanent magnet 10 and an armature core 8, and for reducing the fluctuational weight due to air disturbance, a hole 12 is provided on the hub 11, and pressure between a motor 25 side and a casing cover 20 side is balanced. In such a manner, the air circulating path hole 12 penetrating from the motor 25 side to the casing cover 25 side is provided, and an air flow is generated in the arrow direction. At this time, by using a filter made of fluorine resin, or the filter coated with the fluorine resin on a fiber to the hole 12 part, the oil particles come out to a magnetic disk side along the air flow, and the magnetic disk is prevented from contamination.
摘要翻译：要解决的问题：通过在装载磁盘的轮毂上设置贯穿轴向的空气循环路径，将轴向上的液力抑制在轮毂上，并且提高液力的波动，提高轴向的旋转精度。解决方案：为了应对作用在轮毂11上的轴向方向重量，在永磁体10和电枢芯8之间提供磁吸引力，为了减少由于空气扰动引起的波动重量，在轮毂如图11所示，马达25侧和壳体盖20侧之间的压力是平衡的。以这种方式，设置从马达25侧穿过壳体盖25侧的空气循环路径孔12，并且沿箭头方向产生空气流。此时，通过使用由氟树脂制成的过滤器或将氟树脂涂覆在纤维上的过滤器到孔12部分，油颗粒沿空气流出到磁盘侧，磁盘为防止污染。

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