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    • 73. 发明授权
    • Seal structure, fluid device, integrated valve, and sealing member
    • 密封结构,流体装置,集成阀和密封构件
    • US07766341B2
    • 2010-08-03
    • US11631156
    • 2005-03-23
    • Katsuya OkumuraShoichi KitagawaShigenobu ItohKazuhiro SugataKazuhiro ArakawaHiroshi Tomita
    • Katsuya OkumuraShoichi KitagawaShigenobu ItohKazuhiro SugataKazuhiro ArakawaHiroshi Tomita
    • F16L17/00F16J15/02H02G3/22
    • F16J15/106F16J15/104
    • A seal structure in which a sealing member 510 fitted in the seal holding part 120 is elastically deformed to hermetically seal a flow passage joining portion. The seal holding part 120 opening on a flow passage side and including a first retaining surface 121, a second retaining surface 122, and a circumferential surface 123. The sealing member 510 includes a first surface 511 in contact with the first retaining surface 121, a second surface 512 in contact with the retaining surface 122, and an inner surface 513 located inside the seal holding part 510 and tapered to have a diameter becoming smaller from the first surface 511 side to the second surface 512 side. An engagement portion 515 engaged in the seal holding part 120 is formed protruding from an outer surface 514 located on the circumferential surface 123 side and on the first surface 511 side. When the sealing member 510 is fitted in the seal holding part 120 while the engagement portion 515 is pressed, the sealing member 510 is placed such that the inner surface 513 on the first surface 511 side protrudes inward and the outer surface 514 is in contact with the circumferential surface 123.
    • 其中装配在密封保持部分120中的密封构件510弹性变形以密封流路连接部分的密封结构。 密封保持部分120在流动通道侧开口并且包括第一保持表面121,第二保持表面122和周向表面123.密封构件510包括与第一保持表面121接触的第一表面511, 与保持表面122接触的第二表面512和位于密封保持部510内的内表面513,并且具有从第一表面511侧到第二表面512侧的直径变小的锥形。 接合在密封保持部120中的接合部515从位于圆周表面123侧和第一表面511侧的外表面514形成。 当密封构件510在接合部分515被按压时装配在密封保持部分120中时,密封构件510被放置成使得第一表面511侧的内表面513向内突出,并且外表面514与 圆周表面123。
    • 74. 发明授权
    • Liquid chemical supply system having a plurality of pressure detectors
    • 具有多个压力检测器的液体化学物质供应系统
    • US07686588B2
    • 2010-03-30
    • US11581464
    • 2006-10-17
    • Katsuya OkumuraTetsuya ToyodaTomohiro ItoAkira MurakumoAtsuyuki Sakai
    • Katsuya OkumuraTetsuya ToyodaTomohiro ItoAkira MurakumoAtsuyuki Sakai
    • F04B49/22
    • F04B49/08
    • A liquid chemical supply system that performs accurate pressure feedback control and controls the discharge flow rate of liquid chemical with high precision, even when the pressure setting value of the operation pressure differs due to changes in the type of liquid chemical, includes a pump having a pump chamber and an operation chamber separated by a diaphragm comprised of a flexible membrane. The intake and discharge of liquid chemical is performed in accordance with the change in pressure inside the operation chamber. An electro-pneumatic regulator supplies operation gas pressure to the operation chamber. A plurality of pressure sensors having different pressure detection ranges is provided for detecting the operation gas pressure. A controller selectively employs any of the detection results of the plurality of sensors in accordance with the pressure setting value of the operation air that is set for each use, and performs pressure feedback control.
    • 一种液体化学品供应系统,即使当由于液体化学品的类型的变化而导致的操作压力的压力设定值不同时,也能够精确地进行精确的压力反馈控制和控制液体化学品的排出流量,包括具有 泵室和由包括柔性膜的隔膜隔开的操作室。 根据操作室内的压力变化进行液体化学品的进出。 电动气动调节器将操作气体压力提供给操作室。 提供具有不同压力检测范围的多个压力传感器用于检测操作气体压力。 控制器根据为每次使用设定的操作空气的压力设定值选择性地使用多个传感器的检测结果,并进行压力反馈控制。
    • 80. 发明申请
    • Liquid chemical supply system having a plurality of pressure detectors
    • 具有多个压力检测器的液体化学物质供应系统
    • US20070122291A1
    • 2007-05-31
    • US11581464
    • 2006-10-17
    • Katsuya OkumuraTetsuya ToyodaTomohiro ItoAkira MurakumoAtsuyuki Sakai
    • Katsuya OkumuraTetsuya ToyodaTomohiro ItoAkira MurakumoAtsuyuki Sakai
    • F04B49/00
    • F04B49/08
    • [Problem] To always perform accurate pressure feedback control, and control the discharge flow rate of liquid chemical with high precision, even in situations in which the pressure setting value of the operation pressure differs due to changes in the type of liquid chemical, etc. [Means of solution] A pump 11 has a pump chamber 13 and an operation chamber 14 separated by a diaphragm 12 comprised of a flexible membrane, and performs the intake and discharge of liquid chemical in accordance with the change in pressure inside the operation chamber 14. An electro-pneumatic regulator 32 supplies operation air to the operation chamber 14. In addition, in the present system, a plurality of pressure sensors 51, 63 having different pressure detection ranges is provided as pressure detection means for detecting the operation air pressure. A controller 40 selectively employs any of the detection results of the plurality of sensors 51, 63 in accordance with the pressure setting value of the operation air that is set for each use, and performs pressure feedback control.
    • [问题]为了始终进行精确的压力反馈控制,并且即使在由于液体化学品的类型的变化而导致的操作压力的设定值不同的情况下也能够高精度地控制液体化学品的排出流量。 [解决方案]泵11具有由柔性膜构成的隔膜12隔开的泵室13和操作室14,并根据操作室14内的压力变化进行液体化学品的进出。 。 电动气动调节器32将操作空气供给到操作室14。 此外,在本系统中,具有不同压力检测范围的多个压力传感器51,63被设置为用于检测操作空气压力的压力检测装置。 控制器40根据为每次使用设定的操作空气的压力设定值选择性地使用多个传感器51,63的检测结果中的任一个,并进行压力反馈控制。