JP6693418B2 - 質量流量制御装置 - Google Patents
質量流量制御装置 Download PDFInfo
- Publication number
- JP6693418B2 JP6693418B2 JP2016546411A JP2016546411A JP6693418B2 JP 6693418 B2 JP6693418 B2 JP 6693418B2 JP 2016546411 A JP2016546411 A JP 2016546411A JP 2016546411 A JP2016546411 A JP 2016546411A JP 6693418 B2 JP6693418 B2 JP 6693418B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- mass flow
- pressure regulating
- valve
- regulating valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
- G05D16/0663—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator
- G05D16/0669—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator characterised by the loading mechanisms of the membrane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Flow Control (AREA)
- Control Of Fluid Pressure (AREA)
Description
(1)オペレータの操作により質量流量制御装置の運転が停止されたとき。
(2)停電などの事故により質量流量制御装置への供給電力が遮断されたとき。
(3)質量流量制御装置の運転中に電源回路の故障などにより流量制御弁への印加電圧が0(ゼロ)になったとき(一般的なノーマル・クローズ型の流量制御弁の場合)。
(4)質量流量制御装置の運転中に圧電素子の破損などにより流量制御弁の開動作ができなくなったとき(一般的なノーマル・クローズ型の流量制御弁の場合)。
2 流量計
2a 層流素子
2b 圧力センサ(P1)
2c 圧力センサ(P2)
3 機械式調圧弁
3a 流体入口
3b 弁スプリング
3c、3c’ 弁体
3d、3d’ 弁座
3e ステム
3f 調圧室
3g ダイアフラム
3h ダイアフラム押さえ
3i 調圧スプリング
3j 調整ねじ
3k 流体出口
4 流量制御弁
4a 圧電素子
4b 弁
5 圧力センサ(P0)
6 温度センサ
7 基部
8 流路
9 ケース
10 強制開弁機構
10a 止めねじ
10b くさび
10c ピンスプリング
10d ピン
11 強制開弁機構収容穴
11a くさび収容穴
11b ピン収容穴
Claims (9)
- 流量計と、前記流量計の上流側に隣接して配置される機械式調圧弁と、前記流量計の下流側に配置される流量制御弁と、を備える質量流量制御装置において、
前記機械式調圧弁の全体が質量流量制御装置の基部の中に埋設されていることを特徴とする、
質量流量制御装置。 - 前記機械式調圧弁の上流側に圧力センサ(5)を備える、請求項1に記載の質量流量制御装置。
- 前記流量計が圧力式流量計である、
請求項1又は請求項2に記載の質量流量制御装置。 - 前記圧力式流量計が上流側の圧力センサ(2b)と下流側の圧力センサ(2c)とを備える、
請求項3に記載の質量流量制御装置。 - 前記圧力式流量計が上流側の圧力と下流側の圧力との差圧を計測する差圧センサを備える、
請求項3に記載の質量流量制御装置。 - 前記機械式調圧弁を強制的に開弁させる強制開弁機構を更に備える、
請求項1乃至請求項5のいずれか1項に記載の質量流量制御装置。 - 前記機械式調圧弁は、
前記質量流量制御装置における流体の流路の一部を構成する調圧室と、
前記調圧室の内部領域と前記流路の外部領域とを隔てるダイアフラムと、
を備え、
前記機械式調圧弁は、前記調圧室内の前記流体の圧力が所定の設定圧力よりも低いときに前記ダイアフラムの少なくとも一部が前記調圧室側に変位することによって開弁するように構成されており、
前記強制開弁機構は、外部からの操作により前記ダイアフラムの少なくとも一部を前記調圧室側に変位させる部材を備える、
請求項6に記載の質量流量制御装置。 - 前記強制開弁機構が前記流体の前記流路の外部領域に配設されている、
請求項7に記載の質量流量制御装置。 - 前記強制開弁機構によって前記機械式調圧弁を強制的に開弁させるときの開度が、前記質量流量制御装置の運転時における前記機械式調圧弁の最大開度よりも大きい、
請求項6乃至請求項8のいずれか1項に記載の質量流量制御装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014177063 | 2014-09-01 | ||
JP2014177063 | 2014-09-01 | ||
PCT/JP2015/073323 WO2016035558A1 (ja) | 2014-09-01 | 2015-08-20 | 質量流量制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016035558A1 JPWO2016035558A1 (ja) | 2017-07-06 |
JP6693418B2 true JP6693418B2 (ja) | 2020-05-13 |
Family
ID=55439624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016546411A Active JP6693418B2 (ja) | 2014-09-01 | 2015-08-20 | 質量流量制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10509422B2 (ja) |
JP (1) | JP6693418B2 (ja) |
KR (1) | KR102389112B1 (ja) |
CN (1) | CN106662883B (ja) |
WO (1) | WO2016035558A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6903946B2 (ja) * | 2016-04-12 | 2021-07-14 | 日立金属株式会社 | 質量流量制御装置及び質量流量制御方法 |
US10386864B2 (en) | 2016-04-12 | 2019-08-20 | Hitachi Metals, Ltd. | Mass flow controller and a method for controlling a mass flow rate |
NL2019572A (en) | 2016-10-20 | 2018-04-24 | Asml Netherlands Bv | A pressure control valve, a fluid handling structure for lithographic apparatus and a lithographic apparatus |
KR101941423B1 (ko) * | 2017-02-13 | 2019-01-23 | 자인주식회사 | 층류소자를 이용하는 누설률 모니터링 장치 |
US11998945B2 (en) | 2019-11-04 | 2024-06-04 | Tokyo Electron Limited | Methods and systems to monitor, control, and synchronize dispense systems |
JP2022047815A (ja) * | 2020-09-14 | 2022-03-25 | アズビル株式会社 | マスフローコントローラ |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10207554A (ja) | 1997-01-27 | 1998-08-07 | Sony Corp | 流体の流量制御装置、及び半導体装置の製造方法 |
JP3586075B2 (ja) * | 1997-08-15 | 2004-11-10 | 忠弘 大見 | 圧力式流量制御装置 |
JP2002032130A (ja) * | 2000-07-17 | 2002-01-31 | Yoshitake Inc | 減圧弁 |
JP2003280745A (ja) | 2002-03-25 | 2003-10-02 | Stec Inc | マスフローコントローラ |
JP2004157719A (ja) | 2002-11-06 | 2004-06-03 | Stec Inc | マスフローコントローラ |
JP2004164033A (ja) * | 2002-11-08 | 2004-06-10 | Asahi Organic Chem Ind Co Ltd | 流量制御装置 |
JP3583123B1 (ja) * | 2004-01-06 | 2004-10-27 | 株式会社東京フローメータ研究所 | 流量制御弁及び流量制御装置 |
US7740024B2 (en) * | 2004-02-12 | 2010-06-22 | Entegris, Inc. | System and method for flow monitoring and control |
WO2006014891A1 (en) * | 2004-07-26 | 2006-02-09 | 3M Innovative Properties Company | Systems and methods for detecting and eliminating leaks in water delivery systems for use with appliances |
CN2842509Y (zh) * | 2005-07-22 | 2006-11-29 | 伊藤未来设备贸易(上海)有限公司 | 调压稳压装置 |
JP2007058337A (ja) * | 2005-08-22 | 2007-03-08 | Asahi Organic Chem Ind Co Ltd | 流体制御装置 |
JP2007265395A (ja) * | 2006-03-02 | 2007-10-11 | Smc Corp | 流量制御装置 |
JP5933936B2 (ja) * | 2011-06-17 | 2016-06-15 | 株式会社堀場エステック | 流量測定システム、流量制御システム、及び、流量測定装置 |
WO2013134140A1 (en) * | 2012-03-07 | 2013-09-12 | Illinois Tool Works Inc. | System and method for reducing flow perturbations and improving the accuracy of a rate of decay measurement in a mass flow controller |
-
2015
- 2015-08-20 WO PCT/JP2015/073323 patent/WO2016035558A1/ja active Application Filing
- 2015-08-20 JP JP2016546411A patent/JP6693418B2/ja active Active
- 2015-08-20 US US15/505,944 patent/US10509422B2/en active Active
- 2015-08-20 KR KR1020177003210A patent/KR102389112B1/ko active IP Right Grant
- 2015-08-20 CN CN201580046930.3A patent/CN106662883B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN106662883A (zh) | 2017-05-10 |
WO2016035558A1 (ja) | 2016-03-10 |
KR102389112B1 (ko) | 2022-04-21 |
US10509422B2 (en) | 2019-12-17 |
KR20170052562A (ko) | 2017-05-12 |
US20170255208A1 (en) | 2017-09-07 |
CN106662883B (zh) | 2020-11-10 |
JPWO2016035558A1 (ja) | 2017-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6693418B2 (ja) | 質量流量制御装置 | |
KR102121260B1 (ko) | 유량 제어 장치 및 유량 제어 장치를 사용하는 이상 검지 방법 | |
KR101902855B1 (ko) | 압력식 유량 제어 장치 | |
TWI541626B (zh) | Gas flow test system and gas flow test unit | |
JP6216389B2 (ja) | 圧力式流量制御装置 | |
JP5079401B2 (ja) | 圧力センサ、差圧式流量計及び流量コントローラ | |
JP4765746B2 (ja) | 遮断弁装置及びこれを組み込んだ質量流量制御装置 | |
TWI495851B (zh) | 流量測量機構、質流控制器以及壓力感測器 | |
KR20170137880A (ko) | 압력식 유량 제어 장치 및 그 이상 검지 방법 | |
RU2674831C2 (ru) | Устройство исполнительного привода с интегрированной трубкой бугеля | |
JP6753522B2 (ja) | 送液装置及び流体クロマトグラフ | |
US20180071702A1 (en) | Vaporization supply apparatus | |
JP2007133829A (ja) | 流体制御装置と圧力調節弁と制御方法 | |
WO2016013172A1 (ja) | 圧力式流量制御装置 | |
JP4146746B2 (ja) | マスフローコントローラ | |
EP2910908B1 (en) | Differential pressure type flowmeter and flow controller provided with the same | |
JP2017083981A (ja) | 自力式調整弁 | |
US10274972B2 (en) | Method of inspecting gas supply system | |
CN110998227A (zh) | 液体测微器 | |
JP4195896B2 (ja) | ポンプ装置用流体の圧力制御装置 | |
JP6606221B2 (ja) | 圧力式流量制御装置 | |
KR20170076987A (ko) | 전압과 압력을 이용한 유량제어기의 오작동 감지 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A527 Effective date: 20161214 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180712 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190910 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191028 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200317 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200330 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6693418 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |