WO2011064948A1 - カム式制御弁 - Google Patents
カム式制御弁 Download PDFInfo
- Publication number
- WO2011064948A1 WO2011064948A1 PCT/JP2010/006509 JP2010006509W WO2011064948A1 WO 2011064948 A1 WO2011064948 A1 WO 2011064948A1 JP 2010006509 W JP2010006509 W JP 2010006509W WO 2011064948 A1 WO2011064948 A1 WO 2011064948A1
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- WIPO (PCT)
- Prior art keywords
- cam
- valve
- support frame
- motor holder
- motor
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/16—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/14—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation perpendicular to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
Definitions
- the present invention is mainly used for adjusting the flow rate of a fluid such as a gas or a refrigerant, which is interposed in a fluid supply line such as a semiconductor manufacturing facility or a solar cell manufacturing process, or a refrigerant circulation circuit of a chiller unit.
- the present invention relates to an improvement of a control motor-driven cam control valve that can control the flow rate of a refrigerant or the like minutely and precisely.
- the cam type control valve has a valve box having a fluid passage and a valve seat, a valve body that contacts and leaves the valve seat of the valve box, and a direction in which the valve body is separated from the valve seat.
- An elastic body that is biased to the valve body, a valve rod that is connected to the valve body and supported by the upper lid of the valve box so as to be movable up and down, a cam plate that abuts against a cam roller provided at the upper end of the valve rod and pushes down the valve rod; It consists of a stepping motor (pulse motor) that rotates the cam plate, etc.
- the valve provided at the lower end of the valve stem by rotating the cam plate by the stepping motor and pushing the valve stem downward through the cam plate The body is made to sit on the valve seat.
- This stepping motor drive type cam control valve can control the flow rate with high accuracy and has excellent practical utility.
- the cam plate rotates by a predetermined angle according to the number of pulses supplied to the stepping motor, and the valve rod and the valve body are displaced by a small amount by the rotation of the cam plate. Therefore, when the valve is fully opened or fully closed, the valve body, the valve stem, etc. must be adjusted to the zero point position (fully open position or fully closed position).
- the cam plate when the valve is fully opened, the cam plate is adjusted so that the minimum radius portion of the cam plate contacts the cam roller and the valve body and the valve seat are separated from each other.
- the maximum radius portion of the cam plate is adjusted. Must be adjusted so that it contacts the cam roller and the valve element abuts the valve seat with an appropriate force.
- the conventional stepping motor driven cam type control valve described above does not include any adjustment mechanism for adjusting the position of the valve body or the like to the zero point position, and there is a problem that it takes much time to adjust the zero point of the valve. there were.
- valve body may be excessively pressed against the valve seat or the contact between the valve body and the valve seat may be insufficient. There was something to do. As a result, there has been a problem that a valve seat or the like of the valve is damaged or a fluid leaks.
- a cam type control valve having a height adjustment mechanism that can finely adjust an actuator composed of a stepping motor and a cam mechanism in the vertical direction (for example, a patent). Reference 3).
- the cam type control valve of Patent Document 3 since the height adjustment mechanism is provided, it is easy to finely adjust the vertical height of the actuator, but it may be difficult to access the adjustment screw of the height adjustment mechanism. . Further, the cam type control valve of Patent Document 3 cannot easily finely adjust the force with which the valve body comes into contact with the valve seat after adjusting the height of the actuator.
- the present invention has been made in view of the above problems, and provides a cam type control valve that allows easy access to an adjusting screw when adjusting the height of a motor with a cam attached in the vertical direction.
- the main object is to provide a cam type control valve capable of adjusting the contact pressure when the valve body contacts the valve seat.
- a cam type control valve includes a valve box having a fluid flow path and a valve seat provided in the middle of the fluid flow path, A valve body for opening and closing the fluid flow path, a valve stem for closing the fluid flow path by pushing down the valve body and bringing it into contact with the valve seat, and a direction for pushing down the valve stem by acting on the valve stem
- a cam that presses the cam
- a motor that rotationally drives the cam
- a motor holder that holds the motor
- a support frame that is fixed to the valve box and supports the motor holder so as to be movable in the vertical direction
- the support frame An elastic member that urges the motor holder away from the upper side, and a height for supporting the motor holder in a suspended manner on the support frame and adjusting the height of the motor holder relative to the support frame Adjusting screw, said support Of the threaded into the motor holder with inserted slidably in the upper portion, characterized in that it comprises, and the height adjusting screw.
- the cam control valve according to the present invention further includes an abutment pressure adjusting mechanism for adjusting a contact pressure of the valve body to the valve seat.
- the abutment pressure adjusting mechanism includes a piston member that contacts the elastic member, an elastic force adjusting screw that is screwed into the upper side portion of the support frame and adjusts the elastic force of the elastic member by pressing the piston member; It is preferable to provide.
- the elastic member is accommodated in a first cylindrical recess formed on an upper surface of the motor holder, and at least a part of the piston member is fitted in the first cylindrical recess.
- a second cylindrical recess is formed on the lower surface of the upper side of the support frame, the lower part of the piston member is fitted into the first cylindrical recess, and the upper part of the piston member is the second cylinder. It is preferable that the screw hole of the elastic force adjusting screw is in communication with the second cylindrical recess.
- the support frame includes a pair of support columns erected in the vertical direction, and a concave surface that slidably contacts the opposing side surfaces of the pair of support columns is formed on the side surface of the motor holder.
- the cam has a columnar shape and the center of rotation is provided at a position eccentric from the center of the columnar circle.
- the height inserted slidably into the upper side portion of the support frame while urging the motor holder away from the upper side portion of the support frame by the elastic member. Since the adjustment screw is screwed into the motor holder and the motor holder is suspended from the support frame by the height adjustment screw, the height adjustment screw is accessed from the upper part of the support frame. By adjusting the screwing degree of the adjusting screw, the vertical height of the motor to which the cam is attached can be adjusted.
- the elastic force of the elastic member is adjusted by pressing the piston member with an elastic force adjusting screw that is brought into contact with the elastic member and screwed into the upper side of the support frame, whereby, the contact pressure of the valve body on the valve seat when the valve body is in contact with the valve seat can be adjusted. Since the elastic force adjusting screw is screwed into the upper side of the support frame, it can be easily accessed during adjustment.
- FIG. 3 is a cross-sectional view corresponding to the line II in FIG. 2, showing a fully closed state of an embodiment of the cam control valve according to the present invention.
- FIG. 2 is a cross-sectional view corresponding to line II-II of the cam type control valve shown in FIG. 1. It is sectional drawing which shows the fully open state of the cam type control valve of FIG. It is a front view which shows the external appearance of the cam type control valve of FIG. It is a partial cross section side view which shows the external appearance of the cam type control valve of FIG. It is a side view which shows the change aspect of a cam. It is a front view of the cam shown in FIG.
- the cam type control valve 1 is elastically returned so that the fluid flow path 2 and the valve box 4 having the valve seat 3 provided in the middle of the fluid flow path 2 are separated from the valve seat 3 and the fluid flow path 2 is opened.
- An elastic member 11 that urges the motor holder 9 away from the upper side portion 10a of the frame 10, and the motor holder 9 is supported by the support frame 10 in a suspended manner, and the height of the motor holder 9 with respect to the support frame 10 is adjusted.
- a height adjusting screw 12 for the purpose.
- a bonnet 4b is put on a body 4a in which a fluid flow path 2 is formed, and the bonnet 4b is fixed to the body 4a by a bonnet nut 4c.
- the valve body 5 is formed of a metal diaphragm.
- the metal diaphragm constituting the valve body 5 is fixed to the body 4a by a bonnet 4b via an annular presser adapter 13.
- the metal diaphragm has a curved shape so that the central portion is slightly raised and is separated from the valve seat 3.
- the metal diaphragm is elastically deformed and abuts on the valve seat 3.
- a valve chamber 4 d is formed between the metal diaphragm and the valve seat 3.
- a known one formed of a thin plate such as a nickel-cobalt alloy can be used.
- the valve stem 6 is placed on the diaphragm retainer 14.
- the diaphragm retainer 14 has a disk shape with a flange 14a. As shown in FIGS. 1 and 2, the collar 14a is movable in the vertical direction between the presser adapter 13 and the step 4e in the bonnet 4b.
- the valve stem 6 is supported by the bonnet 4b so as to be movable up and down. As shown in FIG. 2, a groove 6 a is formed at the upper end of the valve stem 6, and a bearing 15 is rotatably supported by the groove 6 a via a spring pin 16.
- the bearing 15 is in contact with the cam 7.
- the cam 7 has a cylindrical shape, and is fixed to the rotation shaft 8a of the motor 8 so that a position eccentric from the center axis by a predetermined distance (0.2 mm in the illustrated example) is the center of rotation.
- a cam plate 7c is provided as shown in FIGS. 6 and 7, and the distance from the rotation center 7a to the peripheral surface of the cam plate 7c is gradually changed in the rotation direction. It can also be set as the cam 7A which formed the cam surface.
- the motor holder 9 is attached to the motor 8 via attachment screws 8b.
- the motor holder 9 has a box shape with the front surface released, and houses the cam 7 and an inverted T-shaped bearing portion 18 that receives the front end shaft 7 b of the cam 7 via a bearing 17.
- the bearing portion 18 is fixed to the motor holder 9 with a mounting screw 19.
- a position-controllable motor is used, and in the illustrated example, a stepping motor is used.
- the support frame 10 includes a plate-like base 10b fixed to the valve box 4 by a lock nut 20, a pair of support columns 10c erected on the base 10b, and an upper side portion 10a suspended and fixed on top of the pair of support columns 10c. And.
- the pair of struts 10c are fixed to the base 10b with fixing screws 10d and are fixed to the upper side portion 10a with fixing screws 10e.
- the height adjusting screw 12 is slidably inserted into a stepped through hole 10f formed in the upper side portion 10a of the support frame 10, and the head portion 12a is supported in contact with the stepped portion of the stepped through hole 10f. Yes.
- the height adjustment screw 12 has a male screw portion that penetrates the support frame 10 and is screwed into a female screw hole 9 b formed in the upper side portion 9 a of the motor holder 9.
- the height adjusting screw 12 is fixed by a set screw 21.
- a flat washer (not shown) may be passed through the height adjusting screw 12, and the flat washer may be brought into contact with the step portion of the stepped through hole 10f to support the height adjusting screw 12 on the support frame 10. .
- the elastic member 11 is a coil spring in the illustrated example, and is accommodated in a first cylindrical recess 9 c formed on the upper surface of the motor holder 9.
- a plurality of spring washers can be used as the elastic member 11 in place of the coil spring.
- the elastic member 11 has an elastic pressing force sufficiently larger than the elastic restoring force of the metal diaphragm constituting the valve body 5.
- the piston member 22 is in contact with the elastic member 11, and the elastic force adjusting screw 23 screwed into the upper side portion 10 a of the support frame 10 presses the piston member 22.
- the lower part of the piston member 22 is fitted into the first cylindrical recess 9c.
- a second cylindrical recess 24 is formed on the lower surface of the upper side portion 10 a of the support frame 10, and the upper portion of the piston member 22 is fitted into the second cylinder recess 24.
- a screw hole 10 g for the elastic force adjusting screw 23 formed in the upper side portion 10 a communicates with the second cylindrical recess 24.
- the piston member 22 is stably guided by the configuration in which the upper and lower portions of the piston member 22 are fitted into the upper and lower recesses 9c, 24.
- the elastic force adjusting screw 23 is fixed by a set screw 25.
- concave surfaces 9d that slidably abut against the opposing side surfaces of the pair of columns 10c. These concave surfaces 9d and 9d act as guided surfaces when the motor holder 9 moves in the vertical direction, and since the guided surfaces extend in the vertical direction on the side surfaces of the motor holder 9, the motor holder 9 Guided stably.
- the fan-shaped sensor plate 26 is fixed to the cam 7.
- a sensor 27 for detecting the sensor plate 26 is fixed to the motor holder 9 by a fixing screw 28.
- the sensor 27 for example, a photo-microsensor can be used, and by detecting that the sensor plate 26 crosses the optical axis position 27a of the sensor 27, the rotational angle position of the cam 7 can be detected.
- a regulating member 29 that regulates rotation around the axis of the valve stem 6 is fixed to the inner wall of the motor holder 9 by a fixing screw 30. Specifically, the tip of the regulating member 29 is engaged with the groove 6 a in which the bearing 15 of the valve stem 6 is accommodated, thereby restricting the rotation of the valve stem 6 around the axis.
- Casing covers 31 and 32 are fixed to the support frame 10, and a connector 33 for connecting a cable is attached to the top plate of the casing cover 31.
- the rotation angle position of the cam 7 is rotated to a position where the distance between the rotation center of the cam 7 and the bearing 15 is maximized.
- the cam 7 pushes down the valve stem 6 and the diaphragm retainer 14 against the resilience held by the metal diaphragm constituting the valve body 5, thereby elastically deforming the metal diaphragm.
- the fluid flow path 2 is closed at a position where the fluid flow path 2 is closed.
- the sensor plate 26 shields the optical axis 27 a of the sensor 27, and the sensor 27 detects the position of the sensor plate 26.
- the height positions of the motor holder 9 and the cam 7 are adjusted by adjusting the degree of screwing of the height adjusting screw 12. Since the height adjustment screw 12 can be accessed from above the cam type control valve 1, it is easy to adjust. In addition, when the height adjustment screw is accessed from below the cam type control valve, a height dimension is required to form a space for access below the cam type control valve. Thus, by adopting a configuration in which the height adjusting screw 12 can be accessed from above the cam type control valve 1, the height dimension can be reduced.
- the elastic force adjusting screw 23 changes the screwing degree to change the elastic force of the elastic member 11, and as a result, the force with which the valve stem 6 and the diaphragm retainer 14 press the valve body 5 made of a metal diaphragm changes.
- a contact pressure adjusting mechanism for adjusting the contact pressure of the valve body 5 to the valve seat 3 is configured.
- the elastic force adjusting screw 23 can also be accessed from above the support frame 10, operability is good.
- a pulse signal is sent to the motor 8 to rotate the cam 7 counterclockwise in FIG.
- the cam body 7 is rotated counterclockwise from the state in which the valve body 5 is in contact with the valve seat 3 (FIG. 1), the distance between the rotation center of the cam 7 and the bearing 15 is reduced.
- the valve element 5 is separated from the valve seat 3 by the self-elastic force of the metal diaphragm, and the fluid passage 2 is opened as shown in FIG.
- the present invention is not limited to the above embodiment, and can be modified without departing from the spirit of the present invention.
- a valve body of a metal diaphragm that is separated and independent from the valve stem
- a known valve body of a type connected and fixed to the lower end portion of the valve stem for example, Japanese Utility Model Publication Nos. 61-117971 and 61-117972.
- a bellows attached to the valve stem or the valve body such as disclosed in FIG. 3 of Japanese Laid-Open Patent Publication No. 2008-57594, which is connected and fixed to the lower end of the valve stem. It can also be set as the structure prevented by a diaphragm.
- the cam type control valve according to the present invention is mainly used in a fluid supply line of a semiconductor manufacturing facility or the like, or a refrigerant circulation circuit of a chiller unit, but its application target is not limited to the semiconductor manufacturing apparatus or the like. It is also used in fluid supply lines in various devices in the chemical industry, the pharmaceutical industry, the food industry, and the like.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Description
2 流体流路
3 弁座
4 弁箱
5 弁体
6 弁棒
7 カム
8 モータ
9 モータホルダ
9c 第1シリンダー状凹部
10 支持枠
11 弾性部材
12 高さ調整ネジ
22 ピストン部材
23 弾性力調整ネジ
24 第2シリンダー状凹部
Claims (7)
- 流体流路及び該流体流路の途中に設けられた弁座を有する弁箱と、
前記弁座に当離座して前記流体流路を開閉する弁体と、
該弁体を押し下げて前記弁座に当接させることにより前記流体流路を閉じるための弁棒と、
前記弁棒に作用して該弁棒を押し下げる方向に押圧するカムと、
該カムを回転駆動するモータと、
該モータを保持するモータホルダと、
前記弁箱に固定されて前記モータホルダを上下方向に移動可能に支持する支持枠と、
前記支持枠の上辺部から前記モータホルダを離間させる方向に付勢する弾性部材と、
前記モータホルダを前記支持枠に吊り下げ状に支持するとともに前記モータホルダの前記支持枠に対する高さを調整するための高さ調整ネジであって、前記支持枠の上辺部に摺動可能に挿入されるとともに前記モータホルダに螺入された、前記高さ調整ネジと、
を備えることを特徴とするカム式制御弁。 - 前記弁体の弁座への当接圧力を調整するための当座圧力調整機構を更に備えることを特徴とする請求項1に記載のカム式制御弁。
- 前記当座圧力調整機構は、
前記弾性部材に当接するピストン部材と、
前記支持枠の上辺部に螺入され、該ピストン部材を押圧して前記弾性部材の弾性力を調整する弾性力調整ネジと、
を備えることを特徴とする請求項2に記載のカム式制御弁。 - 前記弾性部材は、前記モータホルダの上面に形成された第1シリンダー状凹部に収容され、
前記ピストン部材の少なくとも一部が、前記第1シリンダー状凹部に嵌入されていることを特徴とする請求項3に記載のカム式制御弁。 - 前記支持枠の上辺部の下面に第2シリンダー状凹部が形成され、
前記ピストン部材の下側部が前記第1シリンダー状凹部に嵌入にされるとともに、前記ピストン部材の上側部が前記第2シリンダー状凹部に嵌入され、
前記弾性力調整ネジのネジ穴が前記第2シリンダー状凹部に連通していることを特徴とする請求項4に記載のカム式制御弁。 - 支持枠は、上下方向に立設された一対の支柱を備え、
前記一対の支柱の対向する側面に摺動自在に当接する凹面が前記モータホルダの側面に形成されていることを特徴とする請求項1に記載のカム式制御弁。 - 前記カムは、円柱形状であって、回転中心が円柱形状の円の中心から偏心した位置に設けられていることを特徴とする請求項1に記載のカム式制御弁。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN2010800373261A CN102483180B (zh) | 2009-11-30 | 2010-11-05 | 凸轮式控制阀 |
KR1020127003022A KR101266827B1 (ko) | 2009-11-30 | 2010-11-05 | 캠식 제어 밸브 |
US13/389,671 US8833730B2 (en) | 2009-11-30 | 2010-11-05 | Cam control valve |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009272752A JP5357721B2 (ja) | 2009-11-30 | 2009-11-30 | カム式制御弁 |
JP2009-272752 | 2009-11-30 |
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WO2011064948A1 true WO2011064948A1 (ja) | 2011-06-03 |
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PCT/JP2010/006509 WO2011064948A1 (ja) | 2009-11-30 | 2010-11-05 | カム式制御弁 |
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US (1) | US8833730B2 (ja) |
JP (1) | JP5357721B2 (ja) |
KR (1) | KR101266827B1 (ja) |
CN (1) | CN102483180B (ja) |
TW (1) | TWI390137B (ja) |
WO (1) | WO2011064948A1 (ja) |
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JP6193679B2 (ja) | 2013-08-30 | 2017-09-06 | 株式会社フジキン | ガス分流供給装置及びガス分流供給方法 |
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JP6148392B1 (ja) * | 2016-10-05 | 2017-06-14 | 富士インパルス株式会社 | 弁装置及びシール装置 |
US10983537B2 (en) | 2017-02-27 | 2021-04-20 | Flow Devices And Systems Inc. | Systems and methods for flow sensor back pressure adjustment for mass flow controller |
WO2019163604A1 (ja) * | 2018-02-23 | 2019-08-29 | 株式会社フジキン | カム式制御弁及びカム式制御弁のストローク調整方法 |
US11143318B2 (en) * | 2018-03-19 | 2021-10-12 | Hitachi Metals, Ltd. | Diaphragm valve and mass flow controller using the same |
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JP2008057594A (ja) * | 2006-08-30 | 2008-03-13 | Fujikin Inc | カム式バルブ |
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2010
- 2010-11-05 KR KR1020127003022A patent/KR101266827B1/ko active IP Right Grant
- 2010-11-05 CN CN2010800373261A patent/CN102483180B/zh not_active Expired - Fee Related
- 2010-11-05 US US13/389,671 patent/US8833730B2/en active Active
- 2010-11-05 WO PCT/JP2010/006509 patent/WO2011064948A1/ja active Application Filing
- 2010-11-19 TW TW099139987A patent/TWI390137B/zh active
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JPS6121475A (ja) * | 1984-03-02 | 1986-01-30 | ラブシステムズ オイ | 弁装置及びその使用方法 |
US5176037A (en) * | 1991-10-28 | 1993-01-05 | Honeywell Inc. | Linear actuator with controllable output force |
JP2008057594A (ja) * | 2006-08-30 | 2008-03-13 | Fujikin Inc | カム式バルブ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104321710A (zh) * | 2012-04-26 | 2015-01-28 | 株式会社富士金 | 可变流孔型压力控制式流量控制器 |
CN104321710B (zh) * | 2012-04-26 | 2017-07-21 | 株式会社富士金 | 可变流孔型压力控制式流量控制器 |
CN107355566A (zh) * | 2017-08-29 | 2017-11-17 | 哈尔滨工业大学 | 一种可编程控制的四通道阀门装置及其使用方法 |
WO2020261952A1 (ja) * | 2019-06-27 | 2020-12-30 | 株式会社フジキン | ダイヤフラムバルブ |
CN117728615A (zh) * | 2024-02-18 | 2024-03-19 | 天津市海斯特电机有限公司 | 一种具有移动功能的鼠笼电动机及使用方法 |
Also Published As
Publication number | Publication date |
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JP5357721B2 (ja) | 2013-12-04 |
KR101266827B1 (ko) | 2013-05-27 |
US20120223265A1 (en) | 2012-09-06 |
KR20120031514A (ko) | 2012-04-03 |
JP2011117473A (ja) | 2011-06-16 |
TW201131094A (en) | 2011-09-16 |
CN102483180B (zh) | 2013-07-17 |
CN102483180A (zh) | 2012-05-30 |
US8833730B2 (en) | 2014-09-16 |
TWI390137B (zh) | 2013-03-21 |
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