CN104040235B - Control valve unit - Google Patents
Control valve unit Download PDFInfo
- Publication number
- CN104040235B CN104040235B CN201280066873.1A CN201280066873A CN104040235B CN 104040235 B CN104040235 B CN 104040235B CN 201280066873 A CN201280066873 A CN 201280066873A CN 104040235 B CN104040235 B CN 104040235B
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- Prior art keywords
- inner core
- side opening
- urceolus
- mentioned
- opening
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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
- 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
- F16K5/04—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 cylindrical surfaces; Packings therefor
- F16K5/0414—Plug channel at 90 degrees to the inlet
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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
- 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
- F16K5/04—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 cylindrical surfaces; Packings therefor
- F16K5/045—Particular coverings and materials
Abstract
A kind of detent torque when can reduce inner cylinder rotating is provided, makes the smooth and easy control valve unit carried out of the spinning movement of inner core.Control valve unit (1) possesses: have the inflow entrance (4) of fluid and the valve casing (2) of outflow opening (5) and in be loaded on the valve body (3) of this valve casing (2).Valve body (3) have urceolus (10) and rotatably in be loaded on the inner core (20) of this urceolus (10), surrounding wall portion (11) in urceolus (10) circumferentially forms the 1st urceolus side opening (12) and the 2nd urceolus side opening (13), 1st urceolus side opening (12) is communicated with the outflow opening (5) of valve casing (2), the internal flow path (21) be communicated with the inflow entrance (4) of valve casing (2) is formed in the inside of inner core (20), surrounding wall portion (24) is circumferentially formed the 1st inner core side opening (25) and the 2nd inner core side opening (26), by the rotation of inner core (20), 1st urceolus side opening (12) is communicated with the 1st inner core side opening (25) or non-interconnected and opening and closing is carried out to the stream making fluid circulate.2nd urceolus side opening (13) and the 2nd inner core side opening (26) are formed at the position be interconnected when stream closed condition.
Description
Technical field
The present invention relates to the control valve unit controlling fluid flow.
Background technique
All the time, possessed and there is the inflow entrance of fluid and the urceolus of outflow opening and to be rotatably accommodated in this urceolus and the control valve unit being provided with the hollow cylindrical inner core of stream mouth in surrounding wall portion is known.Such control valve unit, to mate with the outflow opening of urceolus owing to being made stream mouth by inner cylinder rotating or do not mate to come opening and closing stream, therefore as structural problem, likely because the surface friction drag between inner core and urceolus can not make the spinning movement of inner core carry out swimmingly, during rotation, need very large detent torque.
So, in patent documentation 1, such control valve unit is proposed: form the recess larger than the outflow opening of body in the surrounding wall portion of inner core, in this recess, insert the sealed member of sheet, also be provided with the pilot road being communicated with recess and outer barrel, to pressure in the back side importing of sealing parts.
This control valve unit, when closing the outflow opening of urceolus, the sealed member hydrodynamic pressure through inflow entrance supply being applied in recess by the running of pump by pilot road, by sealed member being pressed in outflow opening, blocking outflow opening and making fluid stop flowing.Further, when outflow opening being opened when making inner cylinder rotating, due in reducing pressure state under make inner cylinder rotating, so the contact that can reduce between sealed member and urceolus inner face and reduce surface friction drag, reduce detent torque during rotation.
Prior art document
Patent documentation
Patent documentation 1 Japanese Unexamined Patent Publication 11-94100 publication
The problem that invention will solve
But the control valve unit of patent documentation 1, when being opened by outflow opening when making inner cylinder rotating, needing to become and stops the running etc. of pump and the state that makes internal drop low, when also will rotate under the state that interior pressure is high, will need larger detent torque.
Summary of the invention
The present invention makes in view of the foregoing, and its problem that will solve is to provide a kind of detent torque when can reduce inner cylinder rotating, makes the smooth and easy control valve unit carried out of the spinning movement of inner core.
The means of dealing with problems
For solving the problem, control valve unit of the present invention possesses: valve casing, has the inflow entrance that fluid is flowed into and the outflow opening that fluid is flowed out, and valve body, inside be loaded on this valve casing, above-mentioned valve body has cylindric urceolus, and rotatably in be loaded on the inner core of the cylindrical shape of this urceolus, in the surrounding wall portion of above-mentioned urceolus, circumferentially form inside and outside the 1st through urceolus side opening and the 2nd urceolus side opening, above-mentioned 1st urceolus side opening is communicated with the outflow opening of above-mentioned valve casing, the internal flow path be communicated with the inflow entrance of above-mentioned valve casing is formed in the inside of above-mentioned inner core, and circumferentially form inside and outside the 1st through inner core side opening and the 2nd inner core side opening in the surrounding wall portion of above-mentioned inner core, by the rotation of above-mentioned inner core, above-mentioned 1st urceolus side opening is communicated with above-mentioned 1st inner core side opening or non-interconnected and opening and closing is carried out to the stream making fluid circulate, it is characterized by, above-mentioned 2nd urceolus side opening and above-mentioned 2nd inner core side opening, be formed at the position be interconnected when the closed condition of above-mentioned stream.
Preferably, in this control valve unit, a part for the circumference of the surrounding wall portion of above-mentioned inner core, the minor diameter part little by external diameter compared with other positions of circumference is formed, and forms above-mentioned 2nd inner core side opening at this minor diameter part.
Further, preferably, in this control valve unit, in the surrounding wall portion of above-mentioned inner core, in the inflow entrance side of above-mentioned valve casing, be provided with inside and outside through notch, this notch is formed at the position be communicated with above-mentioned 2nd urceolus side opening when the closed condition of above-mentioned stream.
Invention effect
According to control valve unit of the present invention, detent torque during inner cylinder rotating can be reduced, make that the spinning movement of inner core is smooth and easy to be carried out.
Accompanying drawing explanation
Fig. 1 represents the sectional drawing of a mode of execution of control valve unit of the present invention.
Fig. 2 A is the oblique drawing of the valve body urceolus of the control valve unit of Fig. 1, and Fig. 2 B is the oblique drawing of the valve body inner core of the control valve unit of Fig. 1.
Fig. 3 A is the A-A line sectional drawing of the control valve unit of Fig. 1, and Fig. 3 B represents the valve body inner core of the control valve unit of Fig. 3 A circumferentially to be rotated and the sectional drawing of the state of locking stream.
Fig. 4 A is the oblique drawing of the valve body inner core of the control valve unit of another mode of execution, and Fig. 4 B is the sectional drawing of the control valve unit of the inner core employing Fig. 4 A.
Fig. 5 is the oblique drawing of the valve body inner core of the control valve unit of another mode of execution.
Embodiment
By accompanying drawing, control valve unit of the present invention is described.Fig. 1 is the sectional drawing of the mode of execution representing control valve unit of the present invention.Fig. 2 A is the oblique drawing of the valve body urceolus of the control valve unit of Fig. 1, and Fig. 2 B is the oblique drawing of the valve body inner core of the control valve unit of Fig. 1.Fig. 3 A is the A-A line sectional drawing of the control valve unit of Fig. 1, and Fig. 3 B represents the valve body inner core of the control valve unit of Fig. 3 A circumferentially to be rotated and the sectional drawing of the state of locking stream.
Control valve unit 1 as shown in Figure 1, is made up of valve casing 2 and valve body 3, such as, is disposed in the outside stream 6 of the pipe arrangement of watering pipeline etc., can be used in carrying out increase and decrease to water or other fluid flow and controls.
Valve casing 2 has valve body accommodation space valve body 3 being accommodated in inside, also has, and have the inflow entrance 4 that fluid is flowed into and the outflow opening 5 that fluid is flowed out, inflow entrance 4 is communicated with by valve body accommodation space with outflow opening 5.This valve casing 2, is arranged to and inflow entrance 4 and outflow opening 5 is communicated with outside stream 6 respectively.
Valve body 3, is configured to have urceolus 10 and inner core 20, is inside loaded on the valve body accommodation space of valve casing 2.Valve body 3 is formed as making the gap between the outer circumferential face of the urceolus 10 of valve body 3 and the inner peripheral surface of valve casing 2 less, and this gap also can seal with the elastic member of silicone rubber or EPDM etc.
Urceolus 10 as shown in Figure 2 A, is formed cylindric, is circumferentially formed separately inside and outside the 1st through urceolus side opening 12 and the 2nd urceolus side opening 13 in surrounding wall portion 11.As shown in Figure 1 by be loaded on the valve body accommodation space of valve casing 2 in valve body 3 state under, the 1st urceolus side opening 12 of urceolus 10 is communicated with the outflow opening 5 of valve casing 2.The number of the 2nd urceolus side opening 13 is not particularly limited, and one or more can.The forming position of the 2nd urceolus side opening 13 is also not particularly limited, and in present embodiment, is form a 2nd urceolus side opening 13 in the diametric opposed locations of the 1st urceolus side opening 12.
In an end of the cylinder axis direction of urceolus 10, insert inner core 20, also have, form the inserting hole 14 that fluid is flowed into, this inserting hole 14 is roughly same footpath with the external diameter of inner core 20, is also communicated with valve casing 2 inflow entrance 4.This rotary shaft 23 in the other end, forms the through hole 15 of internal diameter less of the internal diameter of inserting hole 14, the internal diameter of this through hole 15, is formed as larger than the external diameter of the rotary shaft 23 of inner core 20 described later, so that can be inserted.
Inner core 20 as shown in Figure 2 B, is formed cylindric, as shown in Figure 1 rotatably in be loaded on urceolus 10.Make the roughly same footpath of the internal diameter of the external diameter of inner core 20 and urceolus 10, to reduce the gap between the outer circumferential face of inner core 20 and the inner peripheral surface of urceolus 10.Gap between the outer circumferential face of inner core 20 and the inner peripheral surface of urceolus 10 also can seal with the elastic member of silicone rubber or EPDM etc.In the inside of inner core 20, form the internal flow path 21 of fluid circulation, the opening 22 that this internal flow path 21 is formed by an end of the cylinder axis direction at inner core 20 is communicated with the inflow entrance 4 of valve casing 2.Forming rotary shaft 23 in the other end of the cylinder axis direction of inner core 20, by this rotary shaft 23 being in turn inserted into inserting hole 14 and the through hole 15 of urceolus 10, being filled to urceolus 10 by inner core 20 thus.
The rotary shaft 23 of inner core 20, is connected with the rotating driveshaft of motor 50, by carrying out rotary actuation to rotating driveshaft, inner core 20 just can be made circumferentially to rotate.
In the surrounding wall portion 24 of inner core 20, be circumferentially formed separately inside and outside the 1st through inner core side opening 25 and the 2nd inner core side opening 26.1st inner core side opening 25 is formed as to be communicated with the 1st urceolus side opening 12 of urceolus 10, in surrounding wall portion 24 between the 1st inner core side opening 25 and the 2nd inner core side opening 26, forms the lock portion 27 of non-opening.
About the control valve unit 1 of present embodiment, by making inner core 20 circumferentially rotate, be communicated with or non-interconnected with the 1st inner core side opening 25 by the 1st urceolus side opening 12, the stream circulated to making fluid carries out opening and closing, makes fluid water flowing or sealing.That is, as shown in Fig. 1 and Fig. 3 A, by the rotation of inner core 20, if the 1st inner core side opening 25 overlaps with the 1st urceolus side opening 12, then the 1st urceolus side opening 12 is communicated with the 1st inner core side opening 25 and becomes the open water flowing state of stream.Because the fluid flow of circulation changes because of the 1st urceolus side opening 12 and the degree that overlaps of the 1st inner core side opening 25, therefore just can pass through adjust this coincidence degree and the flow of fluid is changed.As shown in Figure 3 B, by the rotation of inner core 20, if lock portion 27 overlaps with the 1st urceolus side opening 12, just become the 1st urceolus side opening 12 and the 1st inner core side opening 25 non-interconnected and become the sealing state of stream locking.Like this, by making inner core 20 rotate, the 1st inner core side opening 25 of inner core 20 and lock portion 27 are overlapped with the 1st urceolus side opening 12 of urceolus 10, thus the flow of adjustment fluid.
2nd inner core side opening 26, as shown in Figure 3 B, position when being formed at the state of at least locking in the state of state and the locking opened at stream, the 2nd urceolus side opening 13 being communicated with the 2nd inner core side opening 26.Namely, as long as when stream closed condition the 2nd inner core side opening 26 and the 2nd urceolus side opening 13 overlap wait and the 2nd urceolus side opening 13 is communicated with the 2nd inner core side opening 26, the 2nd urceolus side opening 13 so during flow path open state and the connected state then no requirement (NR) of the 2nd inner core side opening 26, namely the 2nd urceolus side opening 13 and the 2nd inner core side opening 26 can be connected states also can be non-connected state.In addition, present embodiment, when stream open state, the 2nd urceolus side opening 13 is also the state be communicated with the 2nd inner core side opening 26.In either case, can being communicated with by the 2nd urceolus side opening 13 and the 2nd inner core side opening 26, the pressure that the fluid that urceolus 10 inside during sealing state and inner core 20 inside are full of produces is discharged laterally, is suppressed lower.So, just can reduce the detent torque realizing the inner core 20 when water flowing state makes inner core 20 rotate in order to open flows road, make that the spinning movement of inner core 20 is smooth and easy to be carried out.Thus, as in the present embodiment, rely on motor 50 when carrying out the spinning movement of inner core 20, due to the motor of cheapness that detent torque is low can be adopted, therefore, it is possible to manufacture control valve unit 1 with low cost.When manually carrying out the spinning movement of inner core 20, just can inner core 20 be made with lighter power to rotate, making the spinning movement of inner core 20 more easily improve its operability.
In the present embodiment, as described above, even if the 2nd urceolus side opening 13 and the 2nd inner core side opening 26 are formed in the position be also communicated with when the open state of stream.Therefore, by being communicated with of the 2nd urceolus side opening 13 and the 2nd inner core side opening 26, the pressure that the fluid that inner and inner core 20 inside is full of by urceolus 10 during water flowing state produces discharges laterally, is suppressed lower.Like this, in addition to the above-described effects, the operational torque making inner core 20 rotate when can also reduce water flowing, makes the spinning movement of inner core 20 smoothly carry out.
Fig. 4 A is the oblique drawing of the valve body inner core of the control valve unit of another mode of execution, and Fig. 4 B is the sectional drawing of the control valve unit of the inner core employing Fig. 4 A.In addition, the part identical with the mode of execution shown in Fig. 1-Fig. 3 is accompanied by prosign, and the description thereof will be omitted.
This control valve unit 40, a part for the circumference of the surrounding wall portion 24 of inner core 60, the minor diameter part 28 less by external diameter compared with other positions of circumference is formed.Specifically, the surrounding wall portion 24 of inner core 60, be configured to have the little part of the external diameter that becomes minor diameter part 28 and the external diameter part larger than the external diameter of minor diameter part 28, they are circumferentially formed same.The part that the external diameter larger than the external diameter of minor diameter part 28 is large forms large-diameter portion 29.The inside of inner core 60, section is circular, and minor diameter part 28 forms the thinner thinner wall section 30 of the wall thickness of surrounding wall portion 24, and large-diameter portion 29 forms the also thick heavy section 31 of the wall thickness of the wall ratio minor diameter part 28 of surrounding wall portion 24.
The external diameter of large-diameter portion 29 and the roughly same footpath of the internal diameter of urceolus 10, it is formed as making the gap between the inner peripheral surface of the outer circumferential face of large-diameter portion 29 and urceolus 10 less.This gap also can seal with the elastic member of silicone rubber or EPDM etc.On large-diameter portion 29, formed the surrounding of the 1st inner core side opening the 25,1st inner core side opening 25 enclose by large-diameter portion 29.Therefore, when just can suppress state (the water flowing state) that be communicated with the 1st inner core side opening 25 at the 1st urceolus side opening 12, fluid flows out between the 1st urceolus side opening 12 and the 1st inner core side opening 25.Further, large-diameter portion 29 also forms lock portion 27.
Between the outer circumferential face and the inner peripheral surface of urceolus 10 of minor diameter part 28, form the gap S of decompression.Further, minor diameter part 28 forms the 2nd inner core side opening 26.Because the 2nd inner core side opening 26 can be communicated with the 2nd urceolus side opening 13 of urceolus 10 by gap S, therefore, the forming position of the 2nd inner core side opening 26 of minor diameter part 28, even if the position of do not overlap with the 2nd urceolus side opening 13 of urceolus 10 when stream closed condition (coupling) is also passable.
In above structure, fluid flows into gap S from the 2nd inner core side opening 26 of inner core 60.Therefore, during sealing state or water flowing state time, be full of the outside dissipation to inner core 60 of pressure that urceolus 10 fluid that is inner and inner core 60 inside produces, consequently, must be lower by the pressure restraining of the fluid of inner core 60 inside.So, the operational torque that when just can reduce in order to become water flowing state from sealing state, inner core 60 to be rotated, the detent torque of inner core 60 and the inner core 60 when making water flowing rotate, makes the spinning movement of inner core 60 smoothly carry out.Flow into the spreading of outer circumferential face side of fluid to large-diameter portion 29 of gap S, hindered by the large-diameter portion 29 that forms as heavy section 31 or above-mentioned elastic member, inhibit fluid from the outflow of the 1st urceolus side opening 12 of urceolus 10.
Such minor diameter part 28, also can be, at the cylinder axis direction of the surrounding wall portion 24 of inner core 60 throughout being formed endlong.Further, can in the circumference of the surrounding wall portion 24 of inner core 60, from forming the part of lock portion 27 in the scope of the part of formation the 1st inner core side opening 25, be configured to large-diameter portion 29, scope is in addition configured to minor diameter part 28.By in the surrounding wall portion 24 of inner core 60, form minor diameter part 28 throughout scope large as far as possible, thus can by during sealing state or water flowing state time be full of the pressure that urceolus 10 fluid that is inner and inner core 60 inside produces and suppressed more in a effective manner.
Fig. 5 is the oblique drawing of the inner core of the valve body of the control valve unit of another mode of execution.In addition, the part identical with the mode of execution shown in Fig. 1-Fig. 4 is accompanied by prosign, and the description thereof will be omitted.
In the surrounding wall portion 24 of the inner core 70 of this control valve unit, the inflow entrance side of valve casing, is provided with inside and outside through notch 32.The opening 22 that this notch 32 and an end of the cylinder axis direction of inner core 70 are formed is connected with, and is formed as rectangle.The number of notch 32 is not particularly limited, and one or more can.In present embodiment, surrounding wall portion 24 is provided with a notch 32.
Notch 32 is formed at the position be communicated with the 2nd urceolus side opening when stream closed condition.Forming the effect of such notch 32, is the same with the effect of formation the 2nd inner core side opening 26.That is, by the 2nd urceolus side opening and being communicated with between notch 32, the pressure that the fluid being full of outer barrel and inner core 70 inside produces can be discharged laterally, suppressed lower during sealing state.Like this, the detent torque of inner core 70 when just can reduce in order to open flows road becomes water flowing state, inner core 70 to be rotated, makes that the spinning movement of inner core 70 is smooth and easy to be carried out.In present embodiment, be communicated with brought effect by the 2nd urceolus side opening with the 2nd inner core side opening 26 and be communicated with the superimposed effect of brought effect with the 2nd urceolus side opening with notch 32, the detent torque of inner core 70 when can more effectively reduce in order to become water flowing state from sealing state, inner core 70 to be rotated.
Above, describe the present invention based on mode of execution, but the present invention is not by the restriction of above-mentioned any mode of execution, can carry out various change in the scope not departing from purport.Such as, on the valve body inner core 70 of the control valve unit shown in Fig. 5, as shown in Figure 4, also can be, a part for the circumference of surrounding wall portion 24 be made up of minor diameter part 28.In this case, notch 32 can be formed at minor diameter part 28.Because notch can be communicated with the 2nd urceolus side opening of urceolus by the gap of reducing pressure between the outer circumferential face of minor diameter part and the inner peripheral surface of urceolus, therefore the forming part in minor diameter part upper cut portion, even if the position of overlap with the 2nd urceolus side opening of urceolus when not being stream closed condition (coupling) is also passable.By the control valve unit of this structure, when just can reduce further to make inner cylinder rotating to become water flowing state from sealing state, the operational torque of the detent torque of inner core and inner cylinder rotating when making water flowing, makes the spinning movement of inner core smoothly carry out.
Symbol description
1,40 control valve units
2 valve casings
3 valve bodies
4 inflow entrances
5 outflow openings
10 urceolus
11 surrounding wall portion
12 the 1st urceolus side openings
13 the 2nd urceolus side openings
20,60,70 inner cores
21 internal flow paths
24 surrounding wall portion
25 the 1st inner core side openings
26 the 2nd inner core side openings
28 minor diameter parts
32 notchs
Claims (3)
1. a control valve unit, possesses: valve casing, has the inflow entrance that fluid is flowed into and the outflow opening that fluid is flowed out, and valve body, inside be loaded on this valve casing, above-mentioned valve body has cylindric urceolus, and rotatably in be loaded on the inner core of the cylindrical shape of this urceolus, in the surrounding wall portion of above-mentioned urceolus, circumferentially form inside and outside the 1st through urceolus side opening and the 2nd urceolus side opening, above-mentioned 1st urceolus side opening is communicated with the outflow opening of above-mentioned valve casing, the internal flow path be communicated with the inflow entrance of above-mentioned valve casing is formed in the inside of above-mentioned inner core, and circumferentially form inside and outside the 1st through inner core side opening and the 2nd inner core side opening in the surrounding wall portion of above-mentioned inner core, by the rotation of above-mentioned inner core, above-mentioned 1st urceolus side opening is communicated with above-mentioned 1st inner core side opening or non-interconnected and opening and closing is carried out to the stream making fluid circulate, it is characterized by,
Above-mentioned 2nd urceolus side opening and above-mentioned 2nd inner core side opening, be formed at the position be interconnected when the closed condition of above-mentioned stream.
2. control valve unit as claimed in claim 1, is characterized by,
A part for the circumference of the surrounding wall portion of above-mentioned inner core, the minor diameter part little by external diameter compared with other positions of circumference is formed, and forms above-mentioned 2nd inner core side opening at this minor diameter part.
3. control valve unit as described in claims 1 or 2, is characterized by,
In the surrounding wall portion of above-mentioned inner core, in the inflow entrance side of above-mentioned valve casing, be provided with inside and outside through notch, this notch is formed at the position be communicated with above-mentioned 2nd urceolus side opening when the closed condition of above-mentioned stream.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012004191A JP5740558B2 (en) | 2012-01-12 | 2012-01-12 | Valve device |
| JP2012-004191 | 2012-01-12 | ||
| PCT/JP2012/081981 WO2013105378A1 (en) | 2012-01-12 | 2012-12-10 | Valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104040235A CN104040235A (en) | 2014-09-10 |
| CN104040235B true CN104040235B (en) | 2016-02-10 |
Family
ID=48781338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280066873.1A Active CN104040235B (en) | 2012-01-12 | 2012-12-10 | Control valve unit |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5740558B2 (en) |
| CN (1) | CN104040235B (en) |
| WO (1) | WO2013105378A1 (en) |
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| JP7227050B2 (en) * | 2019-03-27 | 2023-02-21 | 株式会社山田製作所 | control valve |
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| CN112536805B (en) * | 2020-11-27 | 2022-06-07 | 京东科技信息技术有限公司 | Robot |
| CN112412565B (en) * | 2020-12-08 | 2022-06-07 | 陈谦 | Air throttle that drum-type admitted air |
| CN113357393B (en) * | 2021-06-03 | 2022-07-29 | 长沙理工大学 | Three-gear four-waveform easy-to-dismount valve |
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| JPH1194100A (en) * | 1997-09-25 | 1999-04-09 | Mitsubishi Electric Corp | Valve device |
-
2012
- 2012-01-12 JP JP2012004191A patent/JP5740558B2/en active Active
- 2012-12-10 WO PCT/JP2012/081981 patent/WO2013105378A1/en active Application Filing
- 2012-12-10 CN CN201280066873.1A patent/CN104040235B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903602Y (en) * | 2006-04-13 | 2007-05-23 | 陈春生 | Cock |
| CN1936393A (en) * | 2006-10-14 | 2007-03-28 | 青岛大学 | Ceramic-pipe type rotary plug valve and mfg. process |
| CN201129492Y (en) * | 2007-11-26 | 2008-10-08 | 方建文 | Regulation valve |
| CN101824974A (en) * | 2010-05-20 | 2010-09-08 | 江苏亿丰机械制造有限公司 | Self-sealing type floating well head water injecting valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013142460A (en) | 2013-07-22 |
| JP5740558B2 (en) | 2015-06-24 |
| WO2013105378A1 (en) | 2013-07-18 |
| CN104040235A (en) | 2014-09-10 |
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Effective date of registration: 20160218 Address after: Osaka Japan Patentee after: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co.,Ltd. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |