CN102985731B - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN102985731B CN102985731B CN201180034098.7A CN201180034098A CN102985731B CN 102985731 B CN102985731 B CN 102985731B CN 201180034098 A CN201180034098 A CN 201180034098A CN 102985731 B CN102985731 B CN 102985731B
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- seat ring
- ring
- chamber
- 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
- 238000004140 cleaning Methods 0.000 claims description 27
- 239000013590 bulk material Substances 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 abstract 3
- 239000000843 powder Substances 0.000 abstract 3
- 238000010926 purge Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
- F16K11/0873—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug the plug being only rotatable around one spindle
-
- 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
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
- Sliding Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
This ball valve prevents leak out of powder and granular material from the clearance between a seat ring and a valve body which is considered to possibly occur when a type of a ball valve moving the seat ring away from or closer to the valve body is used to pneumatically transport the powder and granular material, thereby eliminating a phenomenon in which the leaked powder and granular material bites into the sliding clearance around the valve body. The ball valve which has the seat ring (5) to block the sliding clearance around the valve body (4) by being pressed against the valve body (4), the seat ring (5) being moved away from the valve body (4) during opening or closing operation of a valve part, is provided with a purging ring (8) which surrounds the outer circumference of the clearance generated between the valve body (4) and the seat ring (5) moved away from the valve body, and jets externally-supplied air toward the clearance.
Description
Technical field
The present invention relates to the seat ring that makes to press on valve body when the opening and closing of valve portion to be separated from valve body and the ball valve of the fricton-tight formula of what is called that the operation torque of valve is reduced, in particular to raising for switching the appropriateness of the air transport road (pipeline) of bulk material.
Background technique
Seat ring being pressed on the valve body (spheroid) that is inserted into valve chamber, the glade plane space of valve body periphery is blocked and the above-mentioned glade plane space via valve chamber and spheroid is communicated with in the ball valve (being called Metal Contact ball valve) cut off, when open and close valve portion, seat ring is made to be separated from valve body and to reduce the operation torque (for example, referring to patent documentation 1) of valve.
For the ball valve disclosed in above-mentioned patent documentation 1, make seat ring be formed as piston structure and undertaken towards the pressing of valve body and being separated from valve body by hydrodynamic pressure.In the opposite direction 2 pressure chambers of seat ring applying hydrodynamic pressure will be formed to the periphery of seat ring, when the pressure chamber of present dynasty one side imports hydrodynamic pressure, seat ring presses on valve body, and when the pressure chamber of present dynasty the opposing party imports hydrodynamic pressure, seat ring is separated from valve body.
In addition, even if make seat ring be separated the slip of the part that also can cause at supporting valve body from valve body.Therefore, the ball valve of above-mentioned structure rigorous not talkative be fricton-tight valve, but be referred to as fricton-tight valve for convenience of explanation herein.
Patent documentation 1: Japanese Patent Publication 7-10139 publication
Fricton-tight ball valve seat ring when being carried out opening and closing operations of above-mentioned structure is separated from valve body.Metal Contact ball valve is used for the air conveyance devices of bulk material, exist following worried in the air conveying of bulk material: if seat ring is separated from valve body, bulk material then in conveying releases from the gap resulted between seat ring and valve body and engaging-in to glade plane space etc., therefore, in the air conveying of bulk material, the use of fricton-tight formula ball valve is troubling.
Summary of the invention
Problem of the present invention is, prevent from making in the air conveying of bulk material worrying during the ball valve of the type of seat ring and valve body contact/be separated, bulk material releases from the gap between seat ring and valve body, and eliminates the engaging-in phenomenon arriving the glade plane space of valve body etc. of the bulk material leaked.
In order to solve above-mentioned problem, ball valve of the present invention has and presses on valve body in valve chamber and the seat ring that blocked by the glade plane space of valve body periphery, this seat ring is made to be separated from described valve body and to carry out the opening and closing operations in valve portion, described ball valve is provided with cleaning ring, the periphery in the gap produced between the described seat ring that this cleaning collar is separated with from this valve body around valve body, and the air supplied from outside is sprayed towards described gap.
Valve chamber is arranged at the inside of valve body, not hinder the mode of the action of valve body, described cleaning ring is configured at this valve chamber.
Concrete mode as above-mentioned ball valve considers the mode enumerated as follows.
(1) only between valve chamber and the valve port of inlet side, possess described seat ring, the periphery of the position that this seat ring docks with valve body is provided with described cleaning ring.
(2) between valve chamber and the valve port of inlet side and the valve port of valve chamber and outlet side (its number is set to n.N be comprise 1 integer) between possess described seat ring respectively, be respectively arranged with described cleaning ring in the periphery of the position that each seat ring docks with described valve body.
(3) between described seat ring and valve body, have the pressure chamber to described seat ring acting fluid-pressure, described seat ring at least advances towards the direction be separated from valve body by bearing the pressure of the fluid importing to this pressure chamber.
(4) described ball valve is configured to the multiple-way valve possessing more than 3 valve ports.So-called multiple-way valve to be the valve port carrying out the switching connected the be three-way valve, four-way valve etc. of more than 3 herein.
Seat ring also can carry out in seat ring by making fluid pressure action relative to the pressing of valve body.Preset in this case: 2 pressure chambers are arranged to each seat ring, by switching the importing situation importing to the hydrodynamic pressure of each pressure chamber, and optionally to seat ring generation thrust in the opposite direction.
Seat ring also can be undertaken by elastomeric power relative to the pressing of valve body.If preset into elastomer when making seat ring advance by the hydrodynamic pressure importing to pressure chamber and be separated from valve body to be compressed, then by except elastomeric elastic restoring force during pressure, seat ring can be pressed on valve body by pressure chamber.
Ball valve of the present invention possesses the cleaning ring spraying air in valve chamber, when seat ring is separated from valve body, can spray air towards the gap produced between valve body and seat ring.
This air flow into the path in valve from described gap, the bulk material in the path that will spill from described gap together with the air of conveying returns to path by this air-flow.Therefore, it is possible to the bulk material in preventing from carrying is from described clearance leakage, and not easily cause the engaging-in situation to glade plane space etc. of released bulk material.Like this, the fricton-tight formula ball valve of the object improved as the application can be used in the air conveyance devices of bulk material.
In addition, be described below by way of the effect, effect etc. of concrete mode to above-named ball valve.
Accompanying drawing explanation
Fig. 1 is along with the axis parallel of valve port and the face cutting also parallel with the axle center of valve body and the sectional view of an example of ball valve of the present invention is shown.
Fig. 2 is the biopsy cavity marker devices left view of the ball valve of Fig. 1.
Fig. 3 is the sectional view of the position of III-III line along Fig. 1.
Fig. 4 observes along IV-IV line of Fig. 3 the figure cleaning ring.
Fig. 5 is along with the axis parallel of valve port and the face cutting also parallel with the axle center of valve body and the sectional view of another example of ball valve of the present invention is shown.
Fig. 6 is along with the axis parallel of valve port and the face cutting at a right angle with the axle center of valve body and the sectional view of the another example of ball valve of the present invention is shown.
Embodiment
Below, based on Fig. 1 ~ Fig. 6 in accompanying drawing, the mode of execution of ball valve of the present invention is described.Fig. 1 ~ Fig. 4 represents first method.The ball valve 1 of this first method is configured to Twoway valves, is combined by valve body 2, valve gap 3, valve body (ball) 4, seat ring 5, valve seat support 6, torque actuator 7 and the cleaning ring 8 with feature of the present invention.
2 valve ports 10 that valve body 2 has valve chamber 9 and is arranged on same axis across this valve chamber
-1, 10
-2, valve body 4 is inserted into valve chamber 9.
Valve body 4 has: valve opening 11, and it makes valve port 10
-1, 10
-2be communicated with; And 2 supporting axles 12
-1, 12
-2, these 2 supporting axles 12
-1, 12
-2to be configured on the line orthogonal with the axle center of this valve opening and with the center of valve opening for benchmark departs from the position of 180 °.
Supporting axle 12
-1be assembled in the bearing 13 of valve gap 3
-1supporting, supporting axle 12
-2be assembled in the bearing 13 of valve body 2
-2supporting, supporting axle 12
-1extending portion be drawn out to the outside of valve gap 3 as input part, at supporting axle 12
-1extending portion be linked with the output shaft of torque actuator 7.14 of Fig. 1
-1, 14
-2it is thrust-bearing.
Seat ring 5 groups enters to valve port 10
-1side.This seat ring 5 is configured to: in the face of the ring being also used as piston that side is formed as path, opposition side is formed as large footpath of valve chamber 9, and be inserted into valve port 10 sliding freely
-1.
Valve seat support 6 is screwed in valve port 10
-1opening portion, utilize this valve seat support 6 that seat ring 5 is held in valve port 10
-1in.
In addition, the minor diameter part of seat ring 5 and the periphery of large-diameter portion respectively by seal with O ring, and, the inner circumferential of the large-diameter portion of seat ring 5 and be inserted into seat ring 5 large-diameter portion inner side valve support 6 front end minor diameter part between interface also by seal with O ring.Like this, the ladder surface in the periphery of seat ring 5 faced by position, with the end face of the side, large footpath of seat ring 5 faced by position, produce the pressure chamber 15 be hermetically sealed respectively
-1, 15
-2.
Via solenoid valve (not shown), the hydrodynamic pressures such as air pressure are imported to above-mentioned pressure chamber 15
-1, 15
-2.When valve body 4 is in valve opening posture, if hydrodynamic pressure is imported to pressure chamber 15
-2, then seat ring 5 advances and presses on valve body 4.Glade plane space between valve body 4 and seat ring 5 is eliminated, via valve port 10
-1, 10
-2above-mentioned glade plane space connection disconnect.
In addition, if to pressure chamber 15
-2carry out except pressure and hydrodynamic pressure is imported to pressure chamber 15
-1, then seat ring 5 is separated from valve body 4, can carry out the rotation process of valve body 4 with low torque.
Illustrated torque actuator 7 is driven by air pressure.The direction driven of reversing by the importing state of switching air, makes valve body 4 rotate to valve closing position from valve opening position, or rotates in contrast to this.
Cleaning ring 8 separates suitable compartment of terrain and is provided with multiple little spray-hole (not shown) in the inner circumferential side of hollow pipeline.Spray-hole can be circumferentially continuous print slit, the slit etc. that circumferentially configures intermittently, is not limited to aperture.
This cleaning ring 8 with the gap g(produced between the seat ring 5 being centered around valve body 4 and being separated with from this valve body with reference to Fig. 3) the mode of periphery be arranged at valve chamber 9.Valve body 2 is provided with air induction port 16, flow into cleaning ring 8 from the air of outside supply from this introducing port 16, and spray towards above-mentioned gap g from the spray-hole of this cleaning ring 8.
The ball valve 1 of the Fig. 1 formed as described above, with valve port 10
-1(entrance), valve port 10 upward
-1down (outlet) towards, group enter in the pipeline (not shown) arranged in the air conveyance devices of bulk material, for bulk material together with the air of conveying from towards the part (erecting pipe arrangement portion and inclination pipe arrangement portion) of current downflow.
This ball valve 1 makes seat ring 5 be separated from valve body 4 and switch open and-shut mode.Now, between valve body 4 and seat ring 5, the gap g shown in Fig. 4 is formed.If bulk material occurs this gap g when being placed in air stream and being transferred, then bulk material releases from gap together with the air of conveying.Therefore, make spray air from cleaning ring 8 and prevent the leakage from gap g.
The ball valve 1 of Fig. 1 makes valve port 10
-1upward, valve port 10
-2down, make bulk material from valve port 10
-1towards valve port 10
-2pass through, so seat ring 5 is only arranged at inlet side with cleaning ring 8, there is not seat ring and cleaning ring at outlet side.
As shown in Figure 1, when from the upper bulk material of conveying down, there is not seat ring and facilitate on the contrary with the situation of cleaning ring in the side as outlet.If the side as outlet does not exist seat ring and cleaning ring, then can not form the space making bulk material be stranded in the inside of valve chamber, even if therefore bulk material is just in case release from the gap produced between valve body and seat ring, the bulk material leaked also flow to outlet.
Fig. 5 is the ball valve of second method, at the valve port 10 as outlet
-2side be also provided with at valve port 10
-1the seat ring 5 that the parts that side is arranged are identical, valve seat support 6, cleaning ring 8 and the pressure chamber 15 to seat ring 5 applied thrust
-1, 15
-2.
There is not the directivity of assembling in the ball valve 1 of this second method, no matter by valve port 10
-1, 10
-2which side is set as that entrance can play identical function, so can not cause assembling by mistake.
The posture when ball valve 1 of this second method is assembled in pipeline is unrestricted, so can be assembled in the arbitrary place in the pipe arrangement portion that erects of pipeline, inclination pipe arrangement portion, horizontal pipe arrangement portion.In addition, also can be arranged at from upper position of carrying bulk material down.
Fig. 6 is the ball valve of the Third Way being configured to three-way valve.The ball valve 1 of this Third Way is provided with 3 valve ports at valve body 2.Above-mentioned valve port 10
-1~ 10
-3in valve port 10
-1use as entrance, valve port 10
-3use as branch outlet.
At valve port 10
-1~ 10
-3be respectively arranged with the valve port 10 with the ball valve being arranged at Fig. 1
-1the seat ring 5 that the parts of side are identical, valve seat support 6, cleaning ring 8 and thrust is put on the pressure chamber 15 of seat ring 5
-1, 15
-2.
The ball valve 1 of Fig. 6 is configured to the valve of Branch Angle 45 °, if make valve body 4 rotate 67.5 ° toward the clockwise direction from illustrated position, then and valve port 10
-2, 10
-3from valve port 10
-1be separated, if make valve body 4 rotate 67.5 ° of (rotating 135 ° from the position of Fig. 6), then valve ports 10 toward the clockwise direction further from this state
-1with valve port 10
-3be communicated with.
Each seat ring 5 is made to be separated from valve body 4 and to carry out the switching of above-mentioned connection.In addition, now, air is sprayed to prevent the leakage of bulk material from cleaning ring 8.
In addition, the present invention also can be applied to the three-way valve, the more four-way valve of valve port number etc. of Branch Angle 60 °.
In addition, also the pressing of seat ring 5 relative to valve body 4 can be carried out by elastomeric power.Such as, by the pressure chamber 15 of Fig. 1
-2being replaced into atmospheric air chamber, entering the elastomers such as belleville spring in this atmospheric air chamber group, being compressed if preset into this elastomer when being separated from valve body 4 when making by hydrodynamic pressure seat ring 5 advance, then pressure chamber 15
-1when being removed pressure, by elastomeric elastic restoring force, seat ring 5 can be pressed on valve body 5.
In addition, although the seat ring 5 of illustrated ball valve is formed by metal, the ball valve possessing the seat ring formed by elastomers such as rubber with the contacting part of valve body 4 is also applicable object of the present invention.
In addition, although illustrated ball valve is all for being formed valve body 2 and valve gap 3 by stainless cast steel,
Form valve body 4, seat ring 5, valve seat support 6 and cleaning ring 8 by stainless steel, but the material of above-mentioned constituting component is stainless and non-essential condition.
Description of reference numerals:
1 ... ball valve; 2 ... valve body; 3 ... valve gap; 4 ... valve body; 5 ... seat ring; 6 ... valve seat support; 7 ... torque actuator; 8 ... cleaning ring; 9 ... valve chamber; 10
-1~ 10
-3valve port; 11 ... valve opening; 12
-1, 12
-2supporting axle; 13
-1, 13
-2bearing; 12
-1, 12
-2supporting axle; 15
-1, 15
-2pressure chamber; 16 ... air induction port.
Claims (5)
1. a ball valve, for switching bulk material air transport road, it has and presses on valve body (4) in valve chamber (9) and the seat ring (5) that blocked by the glade plane space of valve body periphery, the opening and closing operations in valve portion is carried out by making this seat ring (5) be separated from described valve body (4)
The feature of described ball valve is,
Described valve chamber (9) is provided with cleaning ring (8), this cleaning ring (8) is centered around the periphery in the gap (g) produced between described seat ring (5) that described valve body (4) is separated with from this valve body, and spray the air from outside supply from valve chamber side towards inlet side to described gap (g), when bulk material is placed in air stream and carries, prevent bulk material from leaking from this gap (g) by spraying air from described cleaning ring (8) towards described gap (g).
2. ball valve according to claim 1, is characterized in that,
Only at the valve port (10 of described valve chamber (9) with inlet side
-1) between possess described seat ring (5), the periphery of the position that this seat ring (5) docks with described valve body (4) is provided with described cleaning ring (8).
3. ball valve according to claim 1, is characterized in that,
At the valve port (10 of described valve chamber (9) with inlet side
-1) between and the valve port (10 of described valve chamber (9) and outlet side
-2~ 10
-n) between possess described seat ring (5) respectively, be respectively arranged with described cleaning ring (8) in the periphery of the position that each seat ring (5) docks with described valve body (4).
4. the ball valve according to any one of claims 1 to 3, is characterized in that,
There is the pressure chamber (15) to described seat ring (5) acting fluid-pressure between described seat ring (5) and valve body (2),
Described seat ring (5) at least advances towards the direction be separated with described valve body (4) by bearing the pressure of the fluid importing to this pressure chamber (15).
5. ball valve according to claim 1, is characterized in that,
Described ball valve is configured to the multiple-way valve possessing more than three valve ports (10).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-156847 | 2010-07-09 | ||
| JP2010156847A JP5508970B2 (en) | 2010-07-09 | 2010-07-09 | Ball valve |
| PCT/JP2011/064678 WO2012005134A1 (en) | 2010-07-09 | 2011-06-27 | Ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102985731A CN102985731A (en) | 2013-03-20 |
| CN102985731B true CN102985731B (en) | 2015-04-08 |
Family
ID=45441117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180034098.7A Active CN102985731B (en) | 2010-07-09 | 2011-06-27 | Ball valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5508970B2 (en) |
| CN (1) | CN102985731B (en) |
| WO (1) | WO2012005134A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101599498B1 (en) * | 2015-09-08 | 2016-03-15 | (주)현우산업 | Cupola valve opening and closing control method and valve system |
| JP2017075634A (en) * | 2015-10-14 | 2017-04-20 | 日本ボールバルブ株式会社 | Constant feeding ball valve |
| US10632299B2 (en) | 2015-12-31 | 2020-04-28 | Carefusion 303, Inc. | Systems and methods for intermittent infusion |
| KR101740927B1 (en) * | 2016-11-03 | 2017-06-15 | 케이피엘 밸브공업 주식회사 | Metal seated ball valve for particulate material |
| DE102019212869A1 (en) * | 2019-08-27 | 2021-03-04 | Vitesco Technologies GmbH | Fluid valve |
| GB2588906A (en) * | 2019-11-13 | 2021-05-19 | Edwards Ltd | Gas purged valve |
| JPWO2021100422A1 (en) * | 2019-11-22 | 2021-05-27 | ||
| CN219888798U (en) * | 2023-02-02 | 2023-10-24 | 斯丹特美国公司 | Multi-way valve with seal insert |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001235037A (en) * | 2000-02-22 | 2001-08-31 | Dainippon Ink & Chem Inc | Exhaust valve and method of making for toner for developing electrostatic image using it |
| JP2008045669A (en) * | 2006-08-17 | 2008-02-28 | Sumitomo Chemical Co Ltd | Cylinder valve type three-way valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877976A (en) * | 1981-10-31 | 1983-05-11 | Mitsubishi Heavy Ind Ltd | Prevention of entry of foreign substance into ball valve |
| JPS59144876A (en) * | 1983-02-07 | 1984-08-20 | Kitamura Valve Seizo Kk | Knife gate valve with cleaning device of valve body and the like |
| JPH028134Y2 (en) * | 1984-11-20 | 1990-02-27 | ||
| JPH0411573Y2 (en) * | 1987-11-25 | 1992-03-23 | ||
| JPH0710139Y2 (en) * | 1988-12-13 | 1995-03-08 | 日本ボールバルブ株式会社 | Ball valve device |
| JPH07190211A (en) * | 1993-12-27 | 1995-07-28 | Sekisui Plastics Co Ltd | Control valve for particle |
| JPH11264485A (en) * | 1998-03-17 | 1999-09-28 | Shinko Pantec Co Ltd | Valve |
-
2010
- 2010-07-09 JP JP2010156847A patent/JP5508970B2/en active Active
-
2011
- 2011-06-27 CN CN201180034098.7A patent/CN102985731B/en active Active
- 2011-06-27 WO PCT/JP2011/064678 patent/WO2012005134A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001235037A (en) * | 2000-02-22 | 2001-08-31 | Dainippon Ink & Chem Inc | Exhaust valve and method of making for toner for developing electrostatic image using it |
| JP2008045669A (en) * | 2006-08-17 | 2008-02-28 | Sumitomo Chemical Co Ltd | Cylinder valve type three-way valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012005134A1 (en) | 2012-01-12 |
| JP5508970B2 (en) | 2014-06-04 |
| JP2012017826A (en) | 2012-01-26 |
| CN102985731A (en) | 2013-03-20 |
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