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    • 1. 发明授权
    • Method for evaluating deterioration of insulating paper
    • 绝缘纸的劣化评价方法
    • US06276222B1
    • 2001-08-21
    • US09230507
    • 1999-01-26
    • Teruo MiyamotoYoshihiro MakinoIsao ItakuraHitoshi Anetai
    • Teruo MiyamotoYoshihiro MakinoIsao ItakuraHitoshi Anetai
    • G01N3334
    • H01F27/321G01N17/00G01N33/004G01N33/2841G01N33/346Y02A50/243
    • According to the present invention, insulating paper immersed in an oil is heated and deteriorated at a temperature up to 110° C. which is in an operating temperature region for an oil-filled electric apparatus, and the value of the degree of the polymerization which decreases with the deterioration of the insulating paper and amount of carbon dioxide and carbon monoxide which is generated by the heat decomposition of the insulating paper and which is dissolved in the insulating oil are used to observe the generation rate thereof. The present invention is a method of evaluating deterioration characteristics of insulating paper from the change of the degree of polymerization with passage of time and from the temperature dependence of the gas generation rate. The deterioration of the insulating paper has different aspects in the regions higher and lower than 110° C., and the deterioration characteristics of the insulating paper on the low temperature side can be accurately evaluated. The deterioration of the insulating paper has different aspects in the regions higher and lower than 110° C., and the deterioration characteristics of the insulating paper on the low temperature side can be accurately evaluated.
    • 根据本发明,浸渍在油中的绝缘纸在用于充油电气设备的工作温度区域中的温度高达110℃的温度下被加热和劣化,并且聚合度 绝缘纸的劣化减少,绝热纸的热分解产生的溶解在绝缘油中的二氧化碳和一氧化碳的量被使用来观察其发生率。 本发明是一种评估绝缘纸的劣化特性的方法,其特征在于随着时间的流逝和聚合时间的变化以及气体产生速率的温度依赖性。 绝缘纸的劣化在高于和低于110℃的区域中具有不同的方面,并且可以精确地评估绝缘纸在低温侧的劣化特性。绝缘纸的劣化在 高于和低于110℃的区域,并且可以精确地评价低温侧的绝缘纸的劣化特性。
    • 3. 发明授权
    • Variable displacement compressor
    • 可变排量压缩机
    • US5752809A
    • 1998-05-19
    • US704364
    • 1996-08-28
    • Yoshihiro MakinoKenji Takenaka
    • Yoshihiro MakinoKenji Takenaka
    • F04B27/10F04B27/18F04B1/12
    • F04B27/1804F04B27/1036F04B27/1063
    • A cam plate is mounted on a drive shaft in a crank chamber. A plurality of pistons are operably coupled to the cam plate. The rotation of the drive shaft is converted to a linear reciprocal movement to compress and discharge refrigerant gas containing oil mist. An extracting passage extracts the refrigerant gas from the crank chamber to remove an excessive pressure in the crank chamber. The extracting passage is open to an accommodating chamber which receives the refrigerant gas from the passage. A bearing is disposed in the accommodating chamber and receives an axial load acting on the drive shaft. A bolt absorbs an assembly tolerance of the bearing. A first protuberance is provided on the bearing protruding in a radial direction with respect to the drive shaft so as to become aligned with the passage. The first protuberance engages an inner surface of the accommodating chamber to prevent rotation of the bearing.
    • 凸轮板安装在曲柄室中的驱动轴上。 多个活塞可操作地联接到凸轮板。 驱动轴的转动转换为线性往复运动,以压缩并排出含有油雾的制冷剂气体。 抽出通道从曲柄室抽取制冷剂气体以去除曲柄室中的过大的压力。 提取通道对从通道接收制冷剂气体的容纳室开放。 轴承设置在容纳室中并且承受作用在驱动轴上的轴向载荷。 螺栓吸收轴承的组合公差。 第一突起设置在相对于驱动轴沿径向突出的轴承上,以便与通道对准。 第一突起接合容纳室的内表面以防止轴承旋转。
    • 4. 发明授权
    • Pilot operated check valve
    • 先导式止回阀
    • US4282896A
    • 1981-08-11
    • US40880
    • 1979-05-21
    • Yoshihiro Makino
    • Yoshihiro Makino
    • F16K15/06F16K15/16
    • F16K15/063F16K15/16Y10S251/90Y10T137/7782Y10T137/7783Y10T137/7868Y10T137/7876Y10T137/7925Y10T137/7939
    • A pilot operated check valve for high pressure service utilizing an O-ring is disclosed, wherein a poppet valve having a seating surface for engagement with a valve seat is provided on its front side with a spool member formed integrally therewith and projecting axially therefrom, an O-ring mounting groove is provided on the spool member in abutment relation with the seating surface of the poppet valve opposed to the valve seat so that the O-ring mounted in the groove may be positioned in a fluid passageway extending through a partition wall between primary-side and secondary-side fluid compartments. The spool member has a passage for fluid flow formed on it which extends from its front end facing the primary-side fluid compartment to the surface of the spool member adjacent the O-ring mounting groove.
    • 公开了一种使用O形环的高压维修的先导式止回阀,其中具有用于与阀座接合的座面的提升阀在其前侧设置有与其一体形成且从其轴向突出的卷轴构件, O形环安装槽设置在卷轴构件上,与提升阀的与阀座相对的座表面邻接,使得安装在凹槽中的O形环可以定位在延伸穿过隔壁之间的分隔壁的流体通道中 初级侧和次级侧流体隔室。 卷轴构件具有形成在其上的流体流动通道,该通道从其从初级侧流体隔室的前端延伸到邻近O形环安装槽的卷轴构件的表面。
    • 5. 发明授权
    • Variable displacement compressor
    • 可变排量压缩机
    • US5364232A
    • 1994-11-15
    • US129596
    • 1993-09-30
    • Kazuya KimuraHiroaki KayukawaKenji TakenakaYoshihiro Makino
    • Kazuya KimuraHiroaki KayukawaKenji TakenakaYoshihiro Makino
    • F04B27/10F04B27/18F04B1/12
    • F04B27/1072F04B27/1804F04B2027/1813Y10T74/18336
    • A variable displacement compressor includes a hinge mechanism having a pair of support arms integrally formed with and protruding from the drive plate, and guide pins which connect the swash plate with the support arms. Each support arm is formed having a unshaped cutaway portion defining a channel for supporting ball portion of the hinge mechanism. The ball portion pivotably secured in the channel portion of the support arm, is attached to guide pin which in turn connects to a bracket protruding from the swash plate. The ball portion transmits pressure & rotational forces generated by the pistons and rotational force of the drive plate respectively. The forces cause the ball portion of the hinge mechanism to impinge upon pre selected surface area of the u-shaped support arm. By impinging on these preselected surface areas of the u-shaped support arm, the ball portion will not disengage from the channel portion of the support arm. Moreover the shape of the support arm increases the motility of the ball portion and associate guide pin secured within the support arm. The guide pin is slidably inserted into either the support arm or the swash plate, and is rotatably supported by means of the support arm.
    • 可变排量压缩机包括铰链机构,其具有与驱动板一体形成并突出的一对支撑臂,以及将斜盘与支撑臂连接的导向销。 每个支撑臂形成有具有限定用于支撑铰链机构的球部的通道的非成形切口部分。 可枢转地固定在支撑臂的通道部分中的球部分附接到导向销,该导销又连接到从斜盘突出的支架。 球部分别传递由活塞产生的压力和旋转力以及驱动板的旋转力。 这些力导致铰链机构的球部撞击u形支撑臂的预先选定的表面区域。 通过撞击u形支撑臂的这些预选的表面区域,球部分将不会从支撑臂的通道部分脱离。 此外,支撑臂的形状增加了固定在支撑臂内的球部和相关导向销的运动性。 导销可滑动地插入到支撑臂或斜盘中,并且通过支撑臂可旋转地支撑。
    • 9. 发明授权
    • Refrigerant compressor with rotation detecting means
    • 具有旋转检测装置的制冷压缩机
    • US5749710A
    • 1998-05-12
    • US651774
    • 1996-05-22
    • Kazuya KimuraYoshihiro Makino
    • Kazuya KimuraYoshihiro Makino
    • F04C28/00F04B27/08F04B27/10F04B49/10F04C28/28F16D27/112H01F7/02F04B49/02
    • F04B49/103F04B27/0895F16D27/112F04B2201/1206
    • A refrigerant compressor having a drive shaft for driving a compressing mechanism and driven by a drive power transmitted from an external drive power source, and a rotation detecting unit for detecting the rotating speed of the compressor by detecting a change in the magnetic flux leaking from the solenoid clutch and circulating through a predetermined magnetic circuit. The change in the magnetic flux is caused by rotation of a magnetic plate-like element having at least one cutout which moves past the magnetic detecting unit, and a permanent magnet fixedly held by the housing assembly of the compressor is arranged so as to increase the density of the magnetic flux circulating through the predetermined magnetic circuit whereby the change in the magnetic flux caused by the rotation of the magnetic plate-like element becomes rapid.
    • 一种制冷剂压缩机,具有用于驱动压缩机构并由外部驱动电源传递的驱动力驱动的驱动轴,以及旋转检测单元,用于通过检测压缩机的转速来检测压缩机的转速, 电磁离合器并循环通过预定的磁路。 磁通量的变化是由具有移动经过磁检测单元的至少一个切口的磁性板状元件的旋转引起的,并且由压缩机的壳体组件固定地固定的永磁体被设置为增加 通过预定磁路循环的磁通的密度,由此由磁板状元件的旋转引起的磁通量的变化变得快。
    • 10. 发明授权
    • Axial multi-piston compressor having rotary valve for allowing residual
part of compressed fluid to escape
    • 具有旋转阀的轴向多活塞式压缩机,其允许残留的压缩流体部分逸出
    • US5501579A
    • 1996-03-26
    • US132116
    • 1993-10-05
    • Kazuya KimuraChuichi KawamuraMasafumi ItoYoshihiro Makino
    • Kazuya KimuraChuichi KawamuraMasafumi ItoYoshihiro Makino
    • F04B27/08F04B27/14F04B39/10F04B1/12
    • F04B27/0843F05C2201/906F05C2253/12Y10T137/5762Y10T137/86501
    • An axial multi-piston compressor includes a drive shaft, a cylinder block having cylinder bores formed therein and surrounding the drive shaft, and a plurality of pistons slidably received in the respective cylinder bores, wherein the pistons are successively reciprocated in the cylinder bores by a rotation of the drive shaft so that a suction stroke and a discharge stroke are alternately executed in each of the cylinder bores. During the suction stroke, a fluid is introduced into the cylinder bore, and during the compression stroke, the introduced fluid is compressed and discharged from the cylinder bore such that a residual part of the compressed fluid is inevitably left in the cylinder bore when the compression stroke is finished. The compressor further includes a rotary valve for allowing the residual part of the compressed fluid to escape from the cylinder bore into another cylinder bore after the suction stroke is executed in the former cylinder bore over a given short period of time.
    • 轴向多活塞压缩机包括驱动轴,具有形成在其中并围绕驱动轴的气缸孔的气缸体和可滑动地容纳在相应气缸孔中的多个活塞,其中活塞在气缸孔中依次往复运动 驱动轴的旋转使得在每个气缸孔中交替地执行吸入冲程和排出冲程。 在吸入冲程期间,将流体引入气缸孔中,并且在压缩行程期间,引入的流体被压缩并从气缸孔排出,使得压缩流体的剩余部分在压缩时不可避免地留在气缸孔中 中风完成。 压缩机还包括旋转阀,用于在给定的较短时间段内在前一个气缸孔中执行吸入行程之后,允许剩余部分的压缩流体从气缸孔逸出到另一气缸孔中。