公开(公告)号：US08573247B2

公开(公告)日：2013-11-05

申请号：US11989503

申请日：2006-07-24

申请人： Yoshihiro Ushigusa ,  Hiroki Igarashi ,  Masahiro Hasunuma

发明人： Yoshihiro Ushigusa ,  Hiroki Igarashi ,  Masahiro Hasunuma

IPC分类号： F16K31/04

CPC分类号： G01F1/36 ,  G05D7/0647 ,  Y10T137/7759 ,  Y10T137/7761 ,  Y10T137/7837

摘要： A highly versatile flow-rate controller that is easy to handle and a regulator unit and a valve unit used for the same are provided. The flow-rate controller includes a regulator unit having a regulator and a first pressure sensor, a valve unit having a second pressure sensor and a flow-rate control valve, and an orifice unit that is connected to the regulator unit and the valve unit in a detachable manner and that has a fluid channel and an orifice that connect to the regulator unit and the valve unit.

摘要翻译： 提供易于操作的高度通用的流量控制器和用于其的调节器单元和阀单元。 流量控制器包括具有调节器和第一压力传感器的调节器单元，具有第二压力传感器和流量控制阀的阀单元，以及连接到调节器单元和阀单元的孔单元 具有可拆卸的方式并且具有连接到调节器单元和阀单元的流体通道和孔口。

公开(公告)号：US07891256B2

公开(公告)日：2011-02-22

申请号：US12066138

申请日：2006-07-26

申请人： Yoshihiro Ushigusa ,  Hiroki Igarashi

发明人： Yoshihiro Ushigusa ,  Hiroki Igarashi

IPC分类号： G01F1/42 ,  G01F1/37

CPC分类号： G01F1/42 ,  G01F1/363 ,  G01F1/383 ,  G01F1/44 ,  G01F15/005 ,  G01F15/14 ,  G01F15/18

摘要： A compact differential-pressure flow meter with reduced wiring is provided. The differential-pressure flow meter has first and second pressure sensors 12A and 12B fixed to a base member 14 on upstream and downstream sides of an orifice member 11 along a flow channel to determine a flow rate based on a pressure difference measured between the two sides of the orifice member 11 by the pressure sensors. The differential-pressure flow meter includes specific control boards disposed near pressure-sensing parts installed in the respective pressure-sensing device and a main control board disposed in a board installation space formed inside the base member. The specific control boards are connected to the main control board with wires passing through a plurality of wiring conduits provided in housings of the pressure-sensing device, and external wiring are connected to one of the specific control boards or to the main control board.

摘要翻译： 提供了一种紧凑型差分压力流量计，具有减少的布线。 差压流量计具有第一和第二压力传感器12A和12B，其沿着流动通道固定在孔构件11的上游侧和下游侧的基部构件14上，以基于在两侧之间测量的压力差来确定流量 的压力传感器。 差压流量计包括设置在安装在相应的压力感测装置中的压力传感部分附近的特定控制板和设置在形成在基体内的板安装空间中的主控板。 具体的控制板通过设置在压力感测装置的壳体中的多个布线导管的导线与主控板连接，外部布线与专用控制基板或主控板之一连接。

公开(公告)号：US20100252134A1

公开(公告)日：2010-10-07

申请号：US12734007

申请日：2008-10-03

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F15D1/00

CPC分类号： F16K11/20 ,  F16K11/22 ,  F16K27/0263 ,  Y10T137/85954 ,  Y10T137/877 ,  Y10T137/87877

摘要： Provided is a fluid device unit structure in which a chemical solution stagnation portion that is formed between a valve of a main fluid flow path and a branching point of a return flow path is minimized to cause hardly any solidification of a chemical solution. In the fluid device unit structure in which a plurality of fluid devices that are connected via flow paths are integrated on a base member (10) to form a single unit, and the main fluid flow path (11) and the return flow path (12) formed in the base member (10) are respectively provided with a first valve (20) and a second valve (40) for switching the flow paths, the branching inlet (12a) at which the return flow path (12) branches from the main fluid flow path (11) is close to the upstream side of the first valve (20).

摘要翻译： 提供一种流体装置单元结构，其中形成在主流体流路的阀和返回流路的分支点之间的化学溶液滞留部分最小化，几乎不会使化学溶液几乎不凝固。 在其中通过流路连接的多个流体装置集成在基部构件（10）上以形成单个单元的流体装置单元结构中，并且主流体流路（11）和回流路径（12） ）分别设置有用于切换流路的第一阀（20）和第二阀（40），所述回流路径（12）从所述分支入口（12a）从所述分支入口 主流体流路（11）靠近第一阀（20）的上游侧。

公开(公告)号：US07637152B2

公开(公告)日：2009-12-29

申请号：US11916526

申请日：2006-04-03

申请人： Yoshihiro Ushigusa ,  Hiroki Igarashi ,  Masahiro Hasunuma

发明人： Yoshihiro Ushigusa ,  Hiroki Igarashi ,  Masahiro Hasunuma

IPC分类号： G01F5/00 ,  F16K17/00

CPC分类号： G05D7/0635 ,  G01F1/42 ,  G01F1/48 ,  Y10T137/7725 ,  Y10T137/87217

摘要： Provided are a flow meter and a flow-rate control system using the same that is capable of measuring a flow rate in a minute flow-rate region with excellent measurement accuracy by preventing or suppressing the generation of bubbles and in which accumulation of the fluid and the bubbles is less likely to occur. The flow meter is for measuring a minute flow rate of a fluid flowing through a fluid channel whose outlet environment is set to constant pressure, the flow meter including a flow-rate measurement conduit portion having a predetermined length connected to an outlet-side end of the fluid channel 1 and whose outlet environment is set to constant pressure by setting the cross-sectional area of a channel smaller than the fluid channel; a pressure sensor for detecting the pressure of the fluid at the upstream side of the flow-rate measurement conduit portion by being disposed near an outlet of the fluid channel 1; and a pressure-detection control unit 4 for calculating a flow rate from a fluid pressure detected at the pressure detection part.

摘要翻译： 提供了一种流量计和流量控制系统，其使用该流量计和流量控制系统，其能够通过防止或抑制气泡的产生来测量具有优异的测量精度的微小流量区域中的流量，并且其中流体和 气泡不太可能发生。 该流量计用于测量流过其出口环境设定为恒定压力的流体通道的流体的微小流量，该流量计包括具有预定长度的流量测量导管部分，该流量测量导管部分连接到出口侧端部 流体通道1的出口环境通过设定小于流体通道的通道的横截面面积而设定为恒定压力; 压力传感器，用于通过设置在流体通道1的出口附近来检测流量测量导管部分的上游侧的流体的压力; 以及压力检测控制单元4，用于根据在压力检测部分检测到的流体压力来计算流量。

公开(公告)号：US20070251583A1

公开(公告)日：2007-11-01

申请号：US11660049

申请日：2005-07-15

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F16K31/12

CPC分类号： F16K31/1268 ,  G05D7/0106 ,  Y10T137/7788 ,  Y10T137/7801 ,  Y10T137/7825 ,  Y10T137/7826

摘要： A fluid regulator that has excellent flow-rate-control response for not only pressure fluctuations at the primary side but also pressure fluctuations at the secondary side and that realizes highly accurate flow-rate control is provided. A fluid regulator 10 includes a first diaphragm chamber 16 in which a working force obtained from a gas, such as air, is received by a first diaphragm 14 to generate a force for adjusting a valve opening, a second diaphragm chamber 17 in which pressure fluctuations of a fluid introduced from a secondary side are received by a second diaphragm 15 to generate a force for adjusting the valve opening, a shaft 12 that receives the adjusting forces generated in the first diaphragm chamber 16 and the second diaphragm chamber 17 and slides in the shaft direction, a valve 13 that operates together with the shaft 12 to adjust the valve opening, a partition wall 11a that isolates the first diaphragm chamber 16 from the second diaphragm chamber 17 so as not to interfere with each other, and a bellows 22 that blocks the circulation of the fluid between the first diaphragm chamber 16 and the second diaphragm chamber 17.

摘要翻译： 提供了一种流体调节器，其不仅对初级侧的压力波动具有优异的流量控制响应，而且还提供了次级侧的压力波动并且实现高精度的流量控制。 流体调节器10包括第一隔膜室16，其中由诸如空气的气体获得的作用力由第一隔膜14接收以产生用于调节阀开口的力;第二膜室17，其中压力波动 从次级侧引入的流体被第二隔膜15容纳以产生用于调节阀开口的力;轴12，其承受在第一隔膜室16和第二隔膜室17中产生的调节力，并在第 与轴12一起调节阀开口的阀13，将第一隔膜室16与第二隔膜室17隔离以不彼此干涉的隔壁11a以及波纹管22 其阻止第一隔膜室16和第二隔膜室17之间的流体循环。

公开(公告)号：US06932318B2

公开(公告)日：2005-08-23

申请号：US10608256

申请日：2003-06-27

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F16K31/122 ,  F16K31/126 ,  F16K31/143 ,  F16K31/145 ,  F16K31/165

CPC分类号： F16K31/1221

摘要： A flow control device comprises an inlet port through which fluid is supplied, an outlet port through which the fluid is delivered, a valve body which is arranged in a passage between the inlet port and the outlet port so as to open and close the passage, the flow control device further comprising a valve body guide means which urges downwardly and pulls upwardly the valve body so as to allow the fluid in the passage to flow at a flow rate which is lower than a basic control rate of the flow control device.

摘要翻译： 流量控制装置包括供给流体的入口，流体被输送的出口，设置在入口和出口之间的通道中以便打开和关闭通道的阀体， 所述流量控制装置还包括阀体引导装置，其向下推动并向上拉动阀体，以允许通道中的流体以低于流量控制装置的基本控制速率的流量流动。

公开(公告)号：US20050139264A1

公开(公告)日：2005-06-30

申请号：US11019715

申请日：2004-12-23

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F16K35/10 ,  F16K35/00

CPC分类号： F16K35/10 ,  Y10T70/5633 ,  Y10T70/5637 ,  Y10T137/7062 ,  Y10T137/7069

摘要： A valve opening/closing handle lock mechanism provided in a valve having a manually operated valve opening/closing handle (1) is capable of maintaining the security of the valve by preventing the valve from being opened or closed by accident or with malicious intent after completion of a proper opening/closing operation of the valve by means of the handle (1). The handle lock mechanism comprises a locking cap (4) mounted on the handle (1). The locking cap (4) functions to prevent the handle (1) from being operated, extends from the handle (1) to a handle mount portion (3) of the valve so as to cover the corresponding portion of the valve with the locking cap (4), and is provided with: an opening (5) through which an end portion of the handle (1) passes outward; or, a longitudinal groove through which the end portion of the opening/closing handle (1) slidably passes outward.

摘要翻译： 设置在具有手动操作的阀打开/关闭手柄（1）的阀中的阀打开/关闭手柄锁定机构能够通过在完成之后意外地或恶意地阻止阀门被打开或关闭来保持阀的安全性 通过手柄（1）对阀门进行适当的打开/关闭操作。 手柄锁定机构包括安装在手柄（1）上的锁定帽（4）。 锁定帽（4）用于防止手柄（1）被操作，从手柄（1）延伸到阀的手柄安装部分（3），以便用锁定帽覆盖阀的相应部分 （4），并且设置有：手柄（1）的端部向外通过的开口（5） 或者开闭手柄（1）的端部向外滑动的纵向槽。

公开(公告)号：US08590561B2

公开(公告)日：2013-11-26

申请号：US12664969

申请日：2008-05-19

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F16K31/12

CPC分类号： G01F1/42 ,  G05D7/0635 ,  Y10T137/2705 ,  Y10T137/776 ,  Y10T137/7761 ,  Y10T137/8326

摘要： A pressure sensor having a structure in which compressible fluid is prevented from stagnating in the vicinity of a pressure-receiving surface of the pressure sensor in the interior of a pressure introducing portion is provided. In a pressure sensor including a sensor body arranged in a pressure introduction flow channel branched in a T-shape upward from a primary fluid flow channel in which fluid to be subjected to pressure measurement flows, the pressure introduction flow channel includes an inclined surface extending in a direction to increase an opening area on the side of an inlet port of the fluid on a wall surface on the downstream side in terms of the direction of flow of the fluid.

摘要翻译： 提供一种压力传感器，其具有防止可压缩流体滞留在压力传感器内部的压力传感器的受压面附近的结构。 一种压力传感器，包括：传感器主体，设置在从要进行压力测量的流体的主要流体流路向上分支成T型的压力引入流动通道中，所述压力引入流动通道包括： 在流体的流动方向上在下游侧的壁面上增加流体入口侧的开口面积的方向。

公开(公告)号：US08522825B2

公开(公告)日：2013-09-03

申请号：US12600682

申请日：2008-05-20

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F16K27/08 ,  F16B39/08 ,  F16B39/10

CPC分类号： F16K27/003 ,  Y10T137/5109 ,  Y10T137/8593 ,  Y10T137/87249 ,  Y10T137/87885

摘要： A fluid apparatus unit structure in which a uniform tightening force is easily applied over the entire periphery by tightening a plurality of fastening members to obtain an advantageous sealing performance is provided. In s fluid apparatus unit structure in which plural fluid apparatus components that are connected via flow paths are collected together and integrated onto a base member, a casing member for the fluid apparatus components is partitioned into plural members in the base member mating direction, a female threading portion assembly (19) in which plural nut portions (18a) that form female threading portions that communicate in the mating direction are integrated by a linking member (18b), is fit and installed on base side partitioned members of a casing member that is disposed at a position in close contact with a base member or a base members, and with base side member interposed therebetween, different fastening members are threaded and tightened from both sides of the nut portion (18a).

摘要翻译： 提供一种流体装置单元结构，其中通过拧紧多个紧固构件以获得有利的密封性能，在整个周边容易地施加均匀的紧固力。 在通过流路连接的多个流体装置部件被收集在一起并集成在基部部件上的流体装置单元结构中，用于流体装置部件的壳体部件在基部部件配合方向上分割成多个部件， 螺纹部组件（19），其中构成在配合方向上连通的阴螺纹部分的多个螺母部分（18a）通过连接部件（18b）一体地安装在壳体部件的基部侧分隔部件上 设置在与基部构件或基部构件紧密接触的位置，并且在其间插入基部侧构件，不同的紧固构件从螺母部分（18a）的两侧被螺纹紧固。

公开(公告)号：US08205635B2

公开(公告)日：2012-06-26

申请号：US12698184

申请日：2010-02-02

申请人： Hiroki Igarashi

发明人： Hiroki Igarashi

IPC分类号： F16K31/12 ,  F16K31/36

CPC分类号： G01F1/42 ,  G01F1/50 ,  G01F15/02 ,  G05D7/0635 ,  Y10T137/7759 ,  Y10T137/7761 ,  Y10T137/86726 ,  Y10T137/87917 ,  Y10T137/88046

摘要： A flowmeter in which a flow rate can be measured over a wide flow-rate range while an increase in the cost of manufacture thereof is minimized, and a flow-rate controller equipped with such a flowmeter are provided. Provided are an upstream-side pressure sensor that measures the pressure of a fluid in an upstream-side channel, a downstream-side pressure sensor that measures the pressure of the fluid in a downstream-side channel, a first throttle section disposed between the upstream-side channel and the downstream-side channel and having a channel area that is smaller than that of at least the upstream-side channel, a bypass channel branching off from between the upstream-side pressure sensor in the upstream-side channel and the first throttle section and connected with the downstream-side channel, an on/off valve that controls the flow rate of the fluid flowing through the bypass channel, and a second throttle section disposed between the bypass channel and the downstream-side channel and having a channel area that is smaller than that of at least the bypass channel.

摘要翻译： 可以在其流量范围宽的流量范围内测量流量，同时其制造成本的增加最小化，并且提供配备有这种流量计的流量控制器。 设有测量上游侧通道中的流体的压力的上游侧压力传感器，测量下游侧通道中的流体的压力的下游侧压力传感器，设置在上游侧通道 并且具有小于至少上游侧通道的通道面积的通道面积，从上游侧通道中的上游侧压力传感器与第一侧通道之间分支的旁通通路 节流部，与下游侧通路连接，控制流过旁通通路的流体的流量的开闭阀，以及设置在旁通通道与下游侧通道之间的第二节流部，具有通道 小于至少旁路通道的面积。