WO2006093036A1 - 微小流量調節機構を有する常閉弁 - Google Patents
微小流量調節機構を有する常閉弁 Download PDFInfo
- Publication number
- WO2006093036A1 WO2006093036A1 PCT/JP2006/303380 JP2006303380W WO2006093036A1 WO 2006093036 A1 WO2006093036 A1 WO 2006093036A1 JP 2006303380 W JP2006303380 W JP 2006303380W WO 2006093036 A1 WO2006093036 A1 WO 2006093036A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- flow rate
- valve opening
- piston body
- normally closed
- Prior art date
Links
Classifications
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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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
- F16K7/17—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 actuated by fluid pressure
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
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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
Definitions
- the present invention relates to a normally closed valve capable of adjusting a minute flow rate.
- a normally closed valve is generally fitted with a valve stem that opens and closes a flow path, a compression spring that urges the valve stem in the flow path closing direction, and a cylinder that is airtightly movable and piled on the compression spring. And a piston body that defines a pressure chamber that moves the valve stem in the valve opening direction.
- the maximum opening degree of such a normally closed valve can be adjusted by regulating the movement position of the piston body in the valve opening direction.
- the flow rate is adjusted simply by adjusting the axial position of the stubber screwed to the cylinder, so the opening degree is determined by the screw pitch and the rotation angle of the stagger. It was difficult to fine-tune the flow rate.
- An object of the present invention is to obtain a normally closed valve having a minute flow rate adjusting mechanism capable of finely adjusting a flow rate.
- the present invention relates to a valve stem that opens and closes a flow path; an urging means that urges the valve stem in the flow path closing direction; A normally closed valve provided with a piston body defining a pressure chamber for moving the stem in the valve opening direction; and a stubbing mechanism provided on the cylinder for regulating the maximum movement position of the piston body in the valve opening direction; A stroke adjusting member having a tapered annular taper surface facing the piston body at a tip portion thereof, and screwed into the cylinder coaxially with the valve stem so as to be adjustable in position; and the tapered annular taper on the piston body.
- a movable valve opening restricting surface provided radially outward from the surface; a fixed valve opening restricting surface that is provided integrally with the cylinder and faces the movable valve opening restricting surface; the movable valve opening restricting surface and the fixed valve opening At least one of the regulatory aspects is both It consists of a tapered surface that narrows the spacing of the regulating surface to the outer circumference, and a tapered annular tapered surface, movable valve opening regulation A plurality of balls capable of simultaneously contacting all of the restriction surface and the fixed valve opening restriction surface;
- An end cap that closes the end of the cylinder can be fixed to the end of the cylinder.
- the stroke adjusting member can be screwed into the end cap and the fixed valve restricting surface can be formed.
- the stroke adjusting member may be constituted by an end cap screwed so as to close the end of the cylinder.
- the fixing member having the fixed valve opening restricting surface can be fixed to the cylinder by being positioned inside the stroke adjusting member on the outer peripheral side of the tapered annular tapered surface.
- both the movable valve opening restriction surface and the fixed valve opening restriction surface may be tapered surfaces, one is constituted by a part of a conical surface, and the other is constituted by a plane perpendicular to the axis of the valve stem. Is practical.
- a guide groove for restricting the moving direction of the plurality of balls in the radial direction can be provided in the cylinder.
- the number of guide grooves (balls) should be three at equal circumferential positions.
- the axial movement amount of the stroke adjusting member and the piston body are determined by setting the angles of the tapered annular taper surface and the taper surfaces of the movable valve opening restriction surface and the fixed valve opening restriction surface.
- the ratio of the amount of movement in the axial direction can be freely set. For example, this ratio can be set to 1/1/2 to 1/50 to achieve a small opening.
- FIG. 1 is a cross-sectional view taken along line II of FIG. 3, showing a two-stage normally closed valve according to a first embodiment of the present invention.
- FIG. 2 is a perspective view, partly in section, showing the relationship between a pair of valve opening restriction surfaces of the normally closed valve and the ball.
- FIG. 3 is a cross-sectional view taken along the line ⁇ - ⁇ in FIG.
- FIG. 4 is a cross-sectional view taken along the line IHI in FIG. 3, showing a two-stage normally closed valve according to a second embodiment of the present invention.
- FIGS. 1 to 3 show that the normally closed valve of the present invention has a small flow rate (for example, several ccZ) and a large flow rate (same number LZ).
- 1) shows an embodiment applied to a two-stage switching normally closed valve that can be switched.
- a fluid passage 12 is provided in a flow path block 11 located in the lower part of FIG. 1, and a valve seat 13 having a vertical axis in the drawing is formed in a part thereof.
- a rod holder 14 that slidably guides a valve stem 20 coaxial with the valve seat 13 is fixed to the flow path block 11 via a connector sleeve 15.
- valve stem 20 is constantly biased in the direction of closing the valve seat 13 via the metal diaphragm 16.
- a cylinder 22 is fixed to the upper end of the rod holder 14 in FIG. 1 via a retaining ring 21.
- the lower end of the cylinder 22 is closed by the rod holder 14, and the valve stem 20 extends from the rod holder 14 into the cylinder 22.
- a large flow rate piston body 23L and a small flow rate piston body 23S are fitted in order from the bottom so as to be slidable relative to each other.
- a floating piston body 23S ′ that slides integrally with the small flow rate piston body 23S is fitted to the upper end portion of the small flow rate piston body 23S.
- the floating piston body 23S ′ may be formed integrally with the small flow rate piston body 23S.
- the floating piston body 23S ′ and the small flow rate piston body 23S that slide together are collectively referred to as a small flow rate piston body 23S.
- the valve stem 20 is fitted with stoppers 24 and 25 for restricting sliding ends of the large flow rate piston body 23L and the small flow rate piston body 23S to the upper side in the figure.
- the stopper rings 24 and 25 are provided when the large flow rate piston body 23L and the small flow rate piston body 23S move in the valve opening direction (upward in the figure) opposite to the movement direction of the valve stem 20 by the compression spring 17 respectively.
- the valve stem 20 is moved together with the large flow rate piston body 23L and the small flow rate piston body 23S in the valve opening direction.
- the stopper rings 24 and 25 prevent the high flow piston body 23 L and the low flow piston body 23S from moving downward with respect to the valve stem 20.
- An end cap 40 that closes the upper end of the cylinder is screwed onto the upper end of the cylinder 22 in the figure. It is fixed with a fixing screw 41.
- the end cap 40 is formed with a female screw 40a (see also FIG. 2) at its shaft portion, and a stroke adjusting screw (stroke adjusting member) 42 coaxial with the valve stem 20 is screwed into the female screw 40a.
- the stroke adjusting screw 42 is formed with a tapered annular taper surface 42a on the outer periphery of the tip (lower end) facing the upper surface of the small flow piston body 23S, and the axial position can be adjusted by adjusting the screwing position. Change.
- the end cap 40 is formed with a tapered male screw coaxially with the female screw 40a, and a slit 40c penetrating the female screw 40a is formed in the tapered male screw.
- a lock nut 45 having a corresponding taper female thread is screwed onto the taper male thread of the end cap 40.
- the opposing surfaces of the end cap 40 and the small flow rate piston body 23S constitute a valve opening restricting surface 40b and a valve opening restricting surface 23A, respectively, located around the annular tapered surface 42a.
- the valve opening restricting surface 23A is located at the upper end of the small flow rate piston body 23S (floating piston body 23S '), and from a plane perpendicular to the axis of the small flow rate piston body 23S (cylinder 22).
- the valve opening restricting surface 40b is formed of a part of a conical surface that narrows the distance from the valve opening restricting surface 23A toward the outer periphery. This valve opening restriction surface 40b is referred to as a conical concave surface.
- the movable distance of the small flow rate piston body 23S with respect to the end cap 40 becomes shorter, and if the ball 43 can move inward, the small flow rate piston body 23S Moveable distance increases.
- This movable distance is exaggerated in the figure as the distance d between the ball 43 and the conical concave surface 40b. In short, the distance d becomes smaller as the ball 43 is pushed outward by the annular tapered surface 42a.
- valve regulation surface is 23A.
- the maximum moving position of the small flow rate piston body 23S is regulated by the conical concave surface 40b, the annular tapered surface 42a (stroke adjusting screw 42), the plurality of balls 43, and the valve opening regulating surface 23A.
- a stopper mechanism is configured.
- the upward movement end of the large flow rate piston body 23L is restricted at a position where the large flow rate piston body 23L (strictly, the stoppering 24) contacts the small flow rate piston body 23S.
- the distance D between the large flow rate piston body 23L and the small flow rate piston body 23S is much larger than the distance d (D) d).
- a small pressure pilot pressure chamber 28 is formed between the cylinder 22, the large flow rate piston body 23L, the small flow rate piston body 23S, and the valve stem 20, and the large flow rate piston body 23L and A large flow pilot pressure chamber 29 is formed between the valve stems 20.
- the small flow pilot pressure chamber 28 communicates with the small flow pilot pressure passage 30 formed in the cylinder 22 and the connection port 31 (see Fig. 3 and Fig. 4).
- the control valve 32 is connected to the pilot pressure source 33.
- the large flow pilot pressure chamber 29 communicates with the large flow pilot pressure passage 34 and the connection port 35, and the large flow pilot pressure connection port 35 is connected to the pilot pressure source 33 via the control valve 32.
- O indicates an O-ring that keeps airtightness.
- the apparatus having the above configuration operates as follows.
- pilot pressure is not introduced into any of the pilot flow connection ports 31 and 35 for small flow and large flow
- the valve stem 20 urged in the valve closing direction by the force of the compression spring 17 has a metal diaphragm 16 Is pressed against the valve seat 13 to close the fluid passage 12.
- a pilot pressure is applied to the small flow rate pilot pressure connection port 31 via the control valve 32.
- the pilot pressure is introduced into the small flow rate pilot pressure chamber 28 via the small flow rate pilot pressure passage 30, and the upward force in the figure is applied to the small flow rate piston body 23S, and the large flow rate piston body 23L. Is exerted with a downward force in the figure.
- the small flow rate piston body 23S is a stopper.
- the valve stem 20 is lifted together via the ring 25, and the rising end thereof is regulated at a position where the small flow rate piston body 23 ⁇ / b> S abuts against the balls 43.
- the maximum movement position of the small flow rate piston body 23S in the valve opening direction can be adjusted by the stroke adjusting screw 42.
- the stroke adjusting screw 42 When the lock nut 45 is loosened and the screwing position of the stroke adjusting screw 42 to the end cap 40 is made shallower, the diameter of the annular tapered surface 42a that contacts the plurality of balls 43 becomes smaller. Moving toward the center of the cylinder 22 via 40b, the movable distance d of the small flow rate piston body 23S increases.
- the screwing position of the stroke adjusting screw 42 with respect to the end cap 40 is deepened, the plurality of balls 43 are pushed out to the peripheral side of the cylinder 22 by the annular tapered surface 42a, and the small flow rate piston body 23S is allowed.
- the moving distance d decreases. Although this movable distance d is exaggerated in the figure, it is actually very small (can be done), so the gap formed between the metal diaphragm 16 and the valve seat 13 at this time is not The gap required to obtain a small flow rate of several cc / min or less can be adjusted, and the gap can also be adjusted with a small amount of force.
- an index serving as a guide for the screwing position can be provided on the end surface or the peripheral surface of the stroke adjusting screw 42.
- the pilot pressure to the small flow rate pilot pressure connection port 31 is exhausted via the control valve 32 and the pilot pressure is supplied to the large flow rate pilot pressure connection port 35. Then, the pilot pressure is introduced into the large flow rate pilot pressure chamber 29 via the large flow rate pilot pressure passage 34, and an upward force is exerted on the large flow rate piston body 23L. Accordingly, the large flow rate piston body 23L raises the valve stem 20 together through the stopper ring 24, and the rising end of the high flow rate piston body 23L comes into contact with the small flow rate piston body 23S or the valve stem. This is regulated by the position where the flange 20a of the rod contacts the lower step of the rod holder.
- the large flow rate piston body 23L and the valve stem 20 can rise. Since the distance D between the piston body 23L for large flow rate and the piston body 23S for small flow rate is much larger (can be increased) than the interval d, the metal diaphragm 16 and the valve seat 13 at this time The gap formed between the two is a gap necessary to obtain a large flow rate of several L / min (can be a gap). [0025] When supplying a large flow rate, instead of stopping the supply of pilot pressure to the small flow rate pilot pressure connection port 31, supply the large flow rate pilot pressure connection port 35 to the small flow rate pilot pressure connection port 31. Obviously, a pilot pressure greater than the pilot pressure may be introduced.
- the stroke is set by setting the angles of the annular tapered surface 42a of the stroke adjusting screw 42, the conical concave surface 40b of the end cap 40 and the valve opening restricting surface 23A of the small flow rate piston body 23S.
- the ratio of the amount of axial movement of the adjusting screw 42 and the amount of axial movement of the small flow rate piston body 23S can be set freely.
- the taper angle ⁇ 1 (Fig. 1) of the annular tapered surface 42a of the stroke adjusting screw 42 is set to 15 °
- the taper angle ⁇ 2 of the conical concave surface 40b of the end cap 40 is 69 ° (same as above).
- the travel amount of the valve stem 20 is the stroke adjustment screw 42
- the amount of movement is 1Z10 per unit movement amount (1).
- FIG. 4 shows another embodiment of a normally closed valve having a micro flow rate adjusting mechanism according to the present invention.
- an end cap that closes the upper end of the cylinder 22 in the figure is configured by a stroke adjustment cap 47 that is screwed into the cylinder 22.
- a tapered annular taper surface 47 a is formed at the tip of the stroke adjustment cap 47.
- the stroke adjusting cap 47 is formed with a thin portion 47b in the radial direction, and a lock screw 47c in a direction parallel to the axis is screwed to the thin portion 47b.
- the lock screw 47c is screwed in, the thin wall portion 47b is elastically deformed to prevent the rotation of the stroke adjustment cap 47, and when the lock screw 47c is loosened, the stroke adjustment cap 47 can be rotated.
- a fixing ring 48 located inside the stroke adjustment cap 47 and on the outer peripheral side of the annular tapered surface 47a is screwed into the cylinder 22 and the fixing ring 48 is connected to the cylinder via a fixing screw 49.
- the end face of the low flow piston body 23S side of the fixing ring 48 is a conical concave surface (valve opening restricting surface) 48A, and the surface facing the conical concave surface 48A of the low flow piston body 23S is orthogonal to the axis of the cylinder 22 It consists of the valve opening restriction surface 23B.
- the conical concave surface 48A and the valve opening restricting surface 23B constitute a pair of valve opening restricting surfaces that are positioned around the annular tapered surface 47a and that are narrowed toward the outer periphery.
- a plurality of balls 43 (three at 120 ° intervals in the circumferential direction) are inserted in a space formed by the surface 23B and the annular tapered surface 47a.
- the small flow rate piston body 23S is formed with a radial guide groove 44 ′ for guiding the ball 43, and the bottom of the guide groove 44 ′ serves as the valve opening restricting surface 23B.
- the maximum in the valve opening direction of the small flow rate piston body 23S (valve stem 20) is the same as in the first embodiment.
- the moving position (moving end) can be adjusted with great force.
- the movable amount of the small flow rate piston body 23S (valve stem 20) with respect to the unit movement amount in the axial direction of the stroke adjusting cap 47 can be set by the taper angles of the annular tapered surface 47a and the conical concave surface 48A.
- the taper angle ⁇ 3 of the annular tapered surface 47a is set to 15 °
- conical concave surface 48A taper angle ⁇ 4 should be set to 69 °.
- valve opening restricting surface 40b and the valve opening restricting surface 48A are conical concave surfaces, and the valve opening restricting surface 23A and the valve opening restricting surface 23B facing each other are formed as planes orthogonal to the axis.
- both may be formed of a tapered surface. Only the contact surface with the ball 43 may be a tapered surface, but if the conical concave surface 40b and the conical concave surface 48A are rotationally symmetric surfaces, the processing is easy and the balls 43 can be evenly contacted. it can.
- the present invention is applied to a two-stage switching normally closed valve having a large flow rate piston body 23L and a small flow rate piston body 23S. If it is closed, it can be a normally closed valve that omits the large flow piston body 23L. In the case of a small flow dedicated valve, the small flow piston body 23S may be fixed to the valve stem 20.
- valve stem 20 is a force metal bellows valve that is a normally closed valve that presses the metal diaphragm 16 that opens and closes the valve seat 13, and the valve body is directly attached to the lower end of the valve stem 20.
- the present invention can also be applied to a valve structure that is provided or a valve structure that transmits the movement of the valve stem 20 to a valve body that is separate from the valve stem.
- the piston bodies 23L, 23S, 23S ' are all slid onto the cylinder 22.
- a piston body using a rolling diaphragm in which a peripheral portion is fixed to a cylinder and a central portion is fixed to a piston body can be used.
- the movement position of the valve stem in the valve opening direction can be finely adjusted, so that a normally closed valve having a minute flow rate adjusting mechanism capable of finely adjusting the flow rate can be obtained. Can be applied.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/817,513 US7823859B2 (en) | 2005-03-01 | 2006-02-24 | Normally-closed valve having a microflow rate adjusting device |
CN2006800067024A CN101133271B (zh) | 2005-03-01 | 2006-02-24 | 具有微流量调节装置的常闭阀 |
JP2007505884A JP4845875B2 (ja) | 2005-03-01 | 2006-02-24 | 微小流量調節機構を有する常閉弁 |
KR1020077019202A KR101159136B1 (ko) | 2005-03-01 | 2006-02-24 | 미소유량조절기구를 가진 상폐밸브 |
EP06714519.3A EP1860359B1 (en) | 2005-03-01 | 2006-02-24 | Normally closed valve having minute flow amount regulating mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005056323 | 2005-03-01 | ||
JP2005-056323 | 2005-03-01 |
Publications (1)
Publication Number | Publication Date |
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WO2006093036A1 true WO2006093036A1 (ja) | 2006-09-08 |
Family
ID=36941067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/303380 WO2006093036A1 (ja) | 2005-03-01 | 2006-02-24 | 微小流量調節機構を有する常閉弁 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7823859B2 (ja) |
EP (1) | EP1860359B1 (ja) |
JP (1) | JP4845875B2 (ja) |
KR (1) | KR101159136B1 (ja) |
CN (1) | CN101133271B (ja) |
TW (1) | TWI348525B (ja) |
WO (1) | WO2006093036A1 (ja) |
Cited By (4)
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WO2008096646A1 (ja) * | 2007-02-06 | 2008-08-14 | Fujikin Incorporated | 流体制御器 |
WO2009142034A1 (ja) * | 2008-05-23 | 2009-11-26 | 藤倉ゴム工業株式会社 | 倍力開閉弁 |
US8353498B2 (en) | 2006-10-03 | 2013-01-15 | Smc Kabushiki Kaisha | Manual switching valve |
CN114396487A (zh) * | 2021-12-31 | 2022-04-26 | 宁波宝蒂塑胶阀门有限公司 | 一种气动隔膜阀 |
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US8265794B2 (en) * | 2007-10-01 | 2012-09-11 | Westlock Controls Corporation | Knowledge based valve control method |
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US7971454B2 (en) * | 2008-07-28 | 2011-07-05 | Datacolor Holding Ag | Beaker type dyeing machine |
JP4672076B2 (ja) * | 2009-09-24 | 2011-04-20 | 藤倉ゴム工業株式会社 | 緩作動開閉弁 |
DE102009053814B4 (de) * | 2009-11-18 | 2013-11-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Mehrstufig schaltbare vorgesteuerte Ventilanordnung |
JP5508875B2 (ja) * | 2010-01-26 | 2014-06-04 | 株式会社フジキン | 流体制御器および流量制御装置 |
JP6180267B2 (ja) * | 2013-09-30 | 2017-08-16 | Ckd株式会社 | 流体駆動式遮断弁 |
WO2015064170A1 (ja) | 2013-10-30 | 2015-05-07 | 株式会社フジキン | 真空弁 |
JP6491877B2 (ja) * | 2014-12-25 | 2019-03-27 | 株式会社フジキン | 流体制御器 |
JP6491878B2 (ja) * | 2014-12-25 | 2019-03-27 | 株式会社フジキン | 流体制御器 |
US10215303B2 (en) * | 2015-05-01 | 2019-02-26 | Fisher Controls International Llc | Adjustable travel stop for a piston actuator |
DE102016115638A1 (de) * | 2016-08-23 | 2018-03-01 | Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft | Membranventil |
KR101887395B1 (ko) * | 2016-11-14 | 2018-08-10 | 주식회사 에너콘 | 밸브간극 조정장치를 가진 밸브용 로타리 액추에이터 |
WO2019009106A1 (ja) * | 2017-07-04 | 2019-01-10 | 株式会社フジキン | アクチュエータ、バルブ、流体供給システム、および半導体製造装置 |
JP7045839B2 (ja) * | 2017-12-08 | 2022-04-01 | 株式会社キッツエスシーティー | 流体制御バルブ |
KR102451196B1 (ko) * | 2018-02-22 | 2022-10-06 | 스웨이지락 캄파니 | 흐름 조정 기구를 갖는 흐름 제어 디바이스 |
JP7202597B2 (ja) * | 2018-07-31 | 2023-01-12 | 株式会社フジキン | アクチュエータおよびこれを用いたバルブ装置 |
US10975979B2 (en) * | 2018-11-15 | 2021-04-13 | General Electric Company | Actuator fail fix system |
DE102020204754A1 (de) * | 2020-04-15 | 2021-10-21 | Festo Se & Co. Kg | Ventil |
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2006
- 2006-02-24 JP JP2007505884A patent/JP4845875B2/ja active Active
- 2006-02-24 US US11/817,513 patent/US7823859B2/en active Active
- 2006-02-24 WO PCT/JP2006/303380 patent/WO2006093036A1/ja active Application Filing
- 2006-02-24 TW TW095106375A patent/TWI348525B/zh active
- 2006-02-24 CN CN2006800067024A patent/CN101133271B/zh active Active
- 2006-02-24 KR KR1020077019202A patent/KR101159136B1/ko active IP Right Grant
- 2006-02-24 EP EP06714519.3A patent/EP1860359B1/en active Active
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8353498B2 (en) | 2006-10-03 | 2013-01-15 | Smc Kabushiki Kaisha | Manual switching valve |
WO2008096646A1 (ja) * | 2007-02-06 | 2008-08-14 | Fujikin Incorporated | 流体制御器 |
JPWO2008096646A1 (ja) * | 2007-02-06 | 2010-05-20 | 株式会社フジキン | 流体制御器 |
WO2009142034A1 (ja) * | 2008-05-23 | 2009-11-26 | 藤倉ゴム工業株式会社 | 倍力開閉弁 |
JP2009281521A (ja) * | 2008-05-23 | 2009-12-03 | Fujikura Rubber Ltd | 倍力開閉弁 |
US8662469B2 (en) | 2008-05-23 | 2014-03-04 | Fujikura Rubber Ltd. | Power assisted on/off valve |
TWI456132B (zh) * | 2008-05-23 | 2014-10-11 | Fujikura Rubber Ltd | 倍力開關閥 |
KR101485439B1 (ko) | 2008-05-23 | 2015-01-22 | 후지쿠라 고무 코교 가부시끼가이샤 | 배력개폐밸브 |
CN114396487A (zh) * | 2021-12-31 | 2022-04-26 | 宁波宝蒂塑胶阀门有限公司 | 一种气动隔膜阀 |
Also Published As
Publication number | Publication date |
---|---|
US20090050832A1 (en) | 2009-02-26 |
KR101159136B1 (ko) | 2012-06-25 |
CN101133271A (zh) | 2008-02-27 |
JP4845875B2 (ja) | 2011-12-28 |
EP1860359A1 (en) | 2007-11-28 |
TW200636179A (en) | 2006-10-16 |
US7823859B2 (en) | 2010-11-02 |
TWI348525B (en) | 2011-09-11 |
JPWO2006093036A1 (ja) | 2008-08-07 |
CN101133271B (zh) | 2010-05-26 |
EP1860359B1 (en) | 2013-07-10 |
KR20070108529A (ko) | 2007-11-12 |
EP1860359A4 (en) | 2012-08-29 |
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