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    • 1. 发明授权
    • Vacuum pressure control system
    • 真空压力控制系统
    • US06289737B1
    • 2001-09-18
    • US09449979
    • 1999-11-26
    • Masayuki KouketsuMasayuki WatanabeHiroshi Kagohashi
    • Masayuki KouketsuMasayuki WatanabeHiroshi Kagohashi
    • G01L700
    • G05D16/2093
    • In a vacuum pressure control system, the vacuum pressure in a reaction chamber 10 is measured by vacuum pressure sensors 14 and 15 (S22), the measured value is changed at a set vacuum pressure changing speed commanded from the exterior or determined and stored in advance in a controller of the system (S24). The changed value is sequentially generated as an internal command. In response to the sequentially generated internal commands, a desired value of the feedback control is changed in sequence (S26), so that the feedback control is executed as follow-up control (S27). Accordingly, the vacuum pressure in the reaction chamber 10 can be uniformly changed to a desired vacuum at a set vacuum pressure changing speed.
    • 在真空压力控制系统中,通过真空压力传感器14和15测量反应室10中的真空压力(S22),测量值以从外部命令的设定真空压力变化速度改变或预先确定和存储 在系统的控制器中(S24)。 作为内部命令顺序生成更改的值。 响应于顺序产生的内部命令,反馈控制的期望值按顺序改变(S26),从而作为后续控制执行反馈控制(S27)。 因此,能够以设定的真空压力变化速度将反应室10内的真空压力均匀地变更为期望的真空。
    • 2. 发明授权
    • Piston position detector for fluid pressure cylinder
    • 用于流体压力缸的活塞位置检测器
    • US4793241A
    • 1988-12-27
    • US117464
    • 1987-11-04
    • Shigeru ManoHiroshi Kagohashi
    • Shigeru ManoHiroshi Kagohashi
    • F02B77/08F15B15/28G01B7/00G01D9/20F01B25/26F01B31/12
    • F15B15/2861F02B77/087F15B15/2807G01D9/20Y10S91/04
    • In a piston position detector for a fluid pressure cylinder operating by fluid pressure such as air pressure or oil pressure, a permanent magnet is mounted on a piston sliding in a non-magnetic cylinder, and a magnetic detection element to respond to the magnetic field formed by the permenent magnet and to generate detection signals is mounted to any position of the cylinder. A magnetic induction piece in sheet form is interposed between the cylinder and the magnetic detection element, so that when the permanent magnet faces the front of the magnetic detection element, the magnetic induction piece is magnetically saturated by performing bypass induction of only a part of the magnetic flux of the permanent magnet to act on the magnetic detection element and most of the magnetic flux acts on the magnetic detection element. As the permanent magnet is shifted from the front of the magnetic detection element, the ratio of the magnetic flux subjected to the bypass induction through the magnetic induction piece is increased and the magnetic flux density acting on the magnetic detection element is rapidly decreased, thereby the piston position can be detected with precise accuracy.
    • 在用于通过诸如空气压力或油压的流体压力操作的流体压力缸的活塞位置检测器中,永磁体安装在在非磁性气缸中滑动的活塞上,并且磁性检测元件响应于形成的磁场 并且产生检测信号被安装到气缸的任何位置。 片状的磁感应片介于气缸和磁性检测元件之间,因此当永磁体面向磁检测元件的前部时,磁感应片通过仅仅​​部分 永磁体的磁通量作用在磁检测元件上,并且大部分磁通量作用在磁检测元件上。 当永磁体从磁检测元件的前方偏移时,通过磁感应片进行旁路感应的磁通比增加,作用在磁检测元件上的磁通密度迅速降低, 可精确检测活塞位置。
    • 4. 发明申请
    • Flow control valve
    • 流量控制阀
    • US20050253100A1
    • 2005-11-17
    • US11188635
    • 2005-07-26
    • Hiroto YasueYasushi HirakoHiroshi KagohashiKazuhiro Sugata
    • Hiroto YasueYasushi HirakoHiroshi KagohashiKazuhiro Sugata
    • F16K1/52F16K7/17F16K31/124F16K31/143
    • F16K31/1245F16K1/523F16K7/17
    • There is disclosed a flow control valve which regulates a flow rate by determining a stop position of a piston by contact in an opened state, and which enables remote and high-precision flow rate regulation. In a closed state, an urging force of a return spring acts on a piston, bringing a diaphragm into close contact with a valve seat. In this state, when compressed air is supplied into a pilot chamber, moving the piston, the diaphragm is brought out of contact with the valve seat. Then, the piston comes into contact with a nut and the diaphragm is stopped providing a fixed clearance between the diaphragm and the valve seat. An opened state is established. Of course, the nut can be moved to any desired position by means of a serve motor or the like, so that a position at which the piston comes into contact with the nut can be changed.
    • 公开了一种流量控制阀,其通过在打开状态下通过接触确定活塞的停止位置来调节流量,并且能够进行远程和高精度的流量调节。 在关闭状态下,复位弹簧的作用力作用在活塞上,使隔膜与阀座紧密接触。 在这种状态下,当压缩空气被供应到先导室中时,移动活塞,隔膜与阀座脱离接触。 然后,活塞与螺母接触,隔膜停止,在隔膜和阀座之间提供固定间隙。 建立了一个开放的状态。 当然,也可以通过伺服马达等将螺母移动到任意的位置,从而可以改变活塞与螺母接触的位置。
    • 6. 发明授权
    • Flow control valve
    • 流量控制阀
    • US07090190B2
    • 2006-08-15
    • US11188635
    • 2005-07-26
    • Hiroto YasueYasushi HirakoHiroshi KagohashiKazuhiro Sugata
    • Hiroto YasueYasushi HirakoHiroshi KagohashiKazuhiro Sugata
    • F16K31/363F16K51/00
    • F16K31/1245F16K1/523F16K7/17
    • There is disclosed a flow control valve which regulates a flow rate by determining a stop position of a piston by contact in an opened state, and which enables remote and high-precision flow rate regulation. In a closed state, an urging force of a return spring acts on a piston, bringing a diaphragm into close contact with a valve seat. In this state, when compressed air is supplied into a pilot chamber, moving the piston, the diaphragm is brought out of contact with the valve seat. Then, the piston comes into contact with a nut and the diaphragm is stopped providing a fixed clearance between the diaphragm and the valve seat. An opened state is established. Of course, the nut can be moved to any desired position by means of a serve motor or the like, so that a position at which the piston comes into contact with the nut can be changed.
    • 公开了一种流量控制阀,其通过在打开状态下通过接触确定活塞的停止位置来调节流量,并且能够进行远程和高精度的流量调节。 在关闭状态下,复位弹簧的作用力作用在活塞上,使隔膜与阀座紧密接触。 在这种状态下,当压缩空气被供应到先导室中时,移动活塞,隔膜与阀座脱离接触。 然后,活塞与螺母接触,隔膜停止,在隔膜和阀座之间提供固定间隙。 建立了一个开放的状态。 当然,也可以通过伺服马达等将螺母移动到任意的位置,从而可以改变活塞与螺母接触的位置。