CN110440020A - A kind of liquid metal regulating valve - Google Patents
A kind of liquid metal regulating valve Download PDFInfo
- Publication number
- CN110440020A CN110440020A CN201910692611.XA CN201910692611A CN110440020A CN 110440020 A CN110440020 A CN 110440020A CN 201910692611 A CN201910692611 A CN 201910692611A CN 110440020 A CN110440020 A CN 110440020A
- Authority
- CN
- China
- Prior art keywords
- flap
- valve
- shaft
- liquid metal
- 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.)
- Pending
Links
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 208000033748 Device issues Diseases 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in means
-
- 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
- F16K5/0647—Spindles or actuating means
-
- 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
- F16K5/0694—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention belongs to nuclear power fluent metal loop control equipment technical field more particularly to a kind of liquid metal regulating valves.Including valve component, driving assembly；Valve component includes coupling tube, valve seat, and valve seat is recessed towards the side of coupling tube into hemispherical-shaped aperture, and the bottom hole of hemispherical-shaped aperture is provided with outlet；Coupling tube and valve seat surround flap chamber and rocker arm chamber, and flap shaft is provided between flap chamber and rocker arm chamber, and driving assembly includes bellows component, lumen flange, sealing cover, straight line driving mechanism；Bellows component includes the bellows being set on valve rod, and straight line driving mechanism is connect with valve rod.The present invention greatly reduces the structure size of valve using the structure of torsion stroke, and overall mechanism is compact, can be good at adapting to the liquid metal pipe-line system for there is bulk to require.Using the valve flap structure of hemisphere shell-type, after valve wide open, liquid metal full-bore flows through valve, in addition to tube wall resistance, without others flow resistance.
Description
Technical field
The invention belongs to nuclear power fluent metal loop control equipment technical fields more particularly to a kind of liquid metal to adjust
Valve.
Background technique
Currently, certain space power system needs carry out heat exchange medium, the heat of liquid metal using liquid metal as working medium
The features such as high-effect and be applied.
Due to the needs of heat-exchange system control, it is necessary to the accurate adjusting of flow is carried out to high temperature, corrosivity liquid metal,
It is required that pressure difference is small, resistance is small, and common valve can not carry out flowing control to liquid metal, and resistance is big, and participating media solidification is held
Easily cause blocking and loss, it is therefore desirable to design a kind of Novel control valve.
Summary of the invention
The purpose of the invention is, provides a kind of valve rod progress that sylphon seal is driven by powered actuation mechanism
Linear motion, valve rod drive hemisphere flap to rotate, are rotated in difference by hemisphere flap by slider-crank mechanism
The liquid metal regulating valve for being accurately controlled liquid metal medium flow is carried out under aperture.
To achieve the above object, the invention adopts the following technical scheme that.
A kind of liquid metal regulating valve, including valve component, driving assembly；Valve component includes coupling tube (1), valve seat
(2), coupling tube (1) is Taper Pipe shape, and is snapped on valve seat (2)；Valve seat (2) is recessed towards the side of coupling tube (1) into hemisphere
Shape hole, the bottom hole of hemispherical-shaped aperture are provided with outlet；Coupling tube (1) and valve seat (2) surround flap chamber (1a) and rocker arm chamber (1b), valve
It is provided between valve chamber (1a) and rocker arm chamber (1b) flap shaft (1f), hemispherical Shell flap (7) is set in flap chamber (1a), rocker arm
(11) it is set in rocker arm chamber (1b), valve rod (15) is connect by rocker arm (11) with flap shaft (1f), flap shaft (1f) and hemisphere
Shell flap (7) connection, with using valve rod (15) driving hemispherical Shell flap (7) with flap shaft (1f) be center axis rotate；Valve rod
(15) it is pierced by rocker arm chamber (1b) and is connected to driving assembly；
Driving assembly includes bellows component, lumen flange (5), sealing cover (17), straight line driving mechanism (21)；Bellows
Component (16) includes the bellows (16a) being set on valve rod (15), and lumen flange (5) is set in bellows (16a) outside, in
The lower end of cell method orchid (5) is welded on valve rod and is pierced by position to form the tube body knot for wrapping valve rod (15) and bellows (16a)
Structure；Sealing cover (17) covers the upper end in lumen flange (5)；Straight line driving mechanism (21) is connect with valve rod (15).
Further improvement to aforementioned liquid metal regulating valve is set on the tube wall between flap chamber (1b) and rocker arm chamber (1b)
It is equipped with the flap axis hole (1e) of two cavitys of connection, is additionally provided with the support for being used to support hemispherical Shell flap (7) on flap chamber (1b)
Axis hole (1g), flap shaft (1f) are set in flap axis hole (1e), are provided with support shaft (8), flap shaft in supporting shaft hole (1g)
(1f) and support shaft (8) are coaxially disposed and are connected to the both ends of hemispherical Shell flap (7).
Further improvement to aforementioned liquid metal regulating valve is provided with circlip (10), flap in the middle part of flap shaft (1f)
Axis hole (1e) and supporting shaft hole (1g) be by being located at the slot split dug out on coupling tube (1) and valve seat (2) opposing end surface and
At；Step is equipped in flap axis hole (1e), flap shaft (1f) is correspondingly provided with the shaft shoulder, and flap shaft (1f) is stuck in by circlip (10)
In flap axis hole (1e)；
Further include setting in flap axis hole (1e) and the supporting shaft hole outer end (1g) and is respectively held against flap shaft (1f) and branch
Support the end cap of axis (8).
Further improvement to aforementioned liquid metal regulating valve further includes graphite packing (18), gland (19), sealing
The through-hole being pierced by for valve rod is equipped among lid (17), the outer end of through-hole is provided with packing groove, and graphite packing (18) is filled in filler
In slot, gland (19) is screwed in through-hole to compress graphite packing (18).
It further include leakage warning device (24), temperature sensor (25)；Leakage warning device (24) includes being arranged in ripple
The liquid metal detection device on the top (16a) is managed, temperature sensor (25) is arranged near graphite packing (1).
The beneficial effect is that:
1, the present invention greatly reduces the structure size of valve, overall mechanism is compact, can using the structure of torsion stroke
Well adapt to the liquid metal pipe-line system for there is bulk to require.
2, using the valve flap structure of hemisphere shell-type, after valve wide open, liquid metal full-bore flows through valve, in addition to tube wall
Resistance, without others flow resistance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid metal regulating valve；
Fig. 2 is the body portion and its schematic diagram of internal structure of liquid metal regulating valve；
Fig. 3 is the driving assembly schematic diagram of internal structure of liquid metal regulating valve；
Fig. 4 is the valve rod and valve flap structure schematic diagram of liquid metal regulating valve；
Fig. 5 is the valve body external view of liquid metal regulating valve.
Specific embodiment
It elaborates below in conjunction with specific embodiment to the invention.
As shown in Fig. 1~5, liquid metal regulating valve of the invention, including valve component, driving assembly；Valve component packet
Coupling tube 1, valve seat 2 are included, coupling tube 1 is Taper Pipe shape, and is snapped on valve seat 2；Valve seat 2 towards coupling tube 1 side recess at
Hemispherical-shaped aperture, the bottom hole of hemispherical-shaped aperture are provided with outlet；Coupling tube 1 and valve seat 2 surround flap chamber 1a and rocker arm chamber 1b, flap chamber
Flap shaft 1f is provided between 1a and rocker arm chamber 1b, hemispherical Shell flap 7 is set in flap chamber 1a, and rocker arm 11 is set to rocker arm chamber
In 1b, valve rod 15 is connect by rocker arm 11 with flap shaft 1f, and flap shaft 1f is connect with hemispherical Shell flap 7, using valve rod 15
Hemispherical Shell flap 7 is driven to rotate by center axis of flap shaft 1f；Valve rod 15 is pierced by rocker arm chamber 1b and is connected to driving assembly；Driving
Component includes bellows component, lumen flange 5, sealing cover 17, straight line driving mechanism 21；Bellows component 16 includes being set in valve
Bellows 16a on bar 15, lumen flange 5 are set in outside bellows 16a, and the lower end of lumen flange 5 is welded on valve rod and is pierced by
Position wraps the pipe structure of valve rod 15 and bellows 16a to be formed；Sealing cover 17 covers the upper end in lumen flange 5；Directly
Line driving mechanism 21 is connect with valve rod 15.In the present embodiment, the fixed electric operator of clamp nut 20, electronic execution are utilized
Mechanism 21 is connect with valve rod 15, and drives adjusting component.
Inlet transforms pipe in the present invention, valve body, gland, end cap, lumen flange, valve deck are welded to form according to shown in Fig. 1
Bearing structure component, so that liquid metal can flow freely in press assembly.
As shown in figures 2-3, further, it is provided on the tube wall between flap chamber 1b and rocker arm chamber 1b and is connected to two chambers
It is additionally provided with the supporting shaft hole 1g for being used to support hemispherical Shell flap 7 on the flap axis hole 1e of body, flap chamber 1b, flap shaft 1f is set to
In flap axis hole 1e, support shaft 8 is provided in supporting shaft hole 1g, flap shaft 1f and support shaft 8 are coaxially disposed and are connected to
The both ends of hemispherical Shell flap 7.Specifically, circlip 10 is provided in the middle part of flap shaft 1f, flap axis hole 1e and supporting shaft hole
1g is put together by being located at the slot dug out on 2 opposing end surface of coupling tube 1 and valve seat；Step, valve are equipped in flap axis hole 1e
Valve axis 1f is correspondingly provided with the shaft shoulder, and flap shaft 1f is stuck in flap axis hole 1e by circlip 10；It in the present embodiment, further include setting
Set in flap axis hole 1e and the outer end supporting shaft hole 1g and be respectively held against two end caps 4 of flap shaft 1f and support shaft 8.
In the specific implementation process, hemispherical Shell flap 7 is connected with support shaft 8 by hexagonal structure by flap shaft 1f, flap shaft
1f step part is limited by circlip 10, prevents axial float, and rocker arm 11 and flap shaft 1f are connected by key 12, and the trough of belt of rocker arm 11 is stretched
Part is linked together by U-shape nut 14 with a pin 13 out, and U-shape nut 14 and valve rod 15 are connected through a screw thread to form one
A rigid body, valve rod 15 drive U-shape nut 14 for linear motion, shake arm 11 by the connecting band of pin 13 and rocker arm 11 and turn round
Movement, rocker arm 11 drive flap shaft 1f driving hemispherical Shell flap 7 to make 90 ° of rotary motions.Dome-type flap 7, support shaft 8, flap
Axis 1f, circlip 10, rocker arm 11, key 12, U-shape nut 14, pin 13, valve rod 15 constitute the motor adjustment group of liquid metal valve
Part.
Further improvement to aforementioned liquid metal regulating valve further includes graphite packing 18, gland 19, sealing cover 17
Centre is equipped with the through-hole being pierced by for valve rod, and the outer end of through-hole is provided with packing groove, and graphite packing 18 is filled in packing groove, filler
Gland 19 screws in through-hole to compress graphite packing 18.
Further improvement to aforementioned liquid metal regulating valve further includes leakage warning device 24, temperature sensor 25；It lets out
Failing to report alarm device 24 includes the liquid metal detection device that the top bellows 16a is arranged in, and temperature sensor 25 is arranged in graphite
Near filler 1.
In the present invention, the lower end of lumen flange 5 is welded on the position that valve body upper valve rod is pierced by, and forming confined space prevents
Liquid metal leakage, if bellows 16a seal failure, gland 19 compresses graphite packing 18 and forms second sealing, this
When liquid metal contacts to leakage warning device, leakage warning device issues electric signal to central station of floating dock.Temperature sensor is examined at any time
The temperature of filler part is surveyed, if leakage warning device fails, due to the leakage of liquid metal valve, the temperature value of temperature sensor
It can fly up, also function to the effect of alarm.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the invention, rather than to this hair
It is bright create protection scope limitation, although being explained in detail referring to preferred embodiment to the invention, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the invention, without departing from this
The spirit and scope of innovation and creation technical solution.
Claims (5)
1. a kind of liquid metal regulating valve, which is characterized in that including valve component, driving assembly；
The valve component includes coupling tube (1), valve seat (2), and coupling tube (1) is Taper Pipe shape, and is snapped on valve seat (2)；Valve
Seat (2) is recessed towards the side of coupling tube (1) into hemispherical-shaped aperture, and the bottom hole of hemispherical-shaped aperture is provided with outlet；Coupling tube (1) and valve
Seat (2) surrounds flap chamber (1a) and rocker arm chamber (1b), and flap shaft (1f) is provided between flap chamber (1a) and rocker arm chamber (1b), and half
Spherical shell flap (7) is set in flap chamber (1a), and rocker arm (11) is set in rocker arm chamber (1b), and valve rod (15) passes through rocker arm (11)
It is connect with flap shaft (1f), flap shaft (1f) is connect with hemispherical Shell flap (7), to drive hemispherical Shell flap using valve rod (15)
It (7) is the rotation of center axis with flap shaft (1f)；The valve rod (15) is pierced by rocker arm chamber (1b) and is connected to driving assembly；
The driving component includes bellows component, lumen flange (5), sealing cover (17), straight line driving mechanism (21)；
The bellows component (16) includes the bellows (16a) being set on valve rod (15), and the lumen flange (5) is set in
Bellows (16a) is external, and the lower end of lumen flange (5) is welded on valve rod and is pierced by position to be formed and wrap valve rod (15) and wave
The pipe structure of line pipe (16a)；The sealing cover (17) covers the upper end in lumen flange (5)；The straight line driving mechanism (21)
It is connect with valve rod (15).
2. a kind of liquid metal regulating valve according to claim 1, which is characterized in that flap chamber (1b) and rocker arm chamber (1b) it
Between tube wall on be provided with the flap axis holes (1e) of two cavitys of connection, be additionally provided on flap chamber (1b) and be used to support hemispherical Shell valve
The supporting shaft hole (1g) of valve (7), flap shaft (1f) are set in flap axis hole (1e), are provided with support shaft in supporting shaft hole (1g)
(8), flap shaft (1f) and support shaft (8) are coaxially disposed and are connected to the both ends of hemispherical Shell flap (7).
3. a kind of liquid metal regulating valve according to claim 2, which is characterized in that be provided with card in the middle part of flap shaft (1f)
Spring (10), the flap axis hole (1e) and supporting shaft hole (1g) are by being located on coupling tube (1) and valve seat (2) opposing end surface
The slot dug out is put together；Step is equipped in the flap axis hole (1e), flap shaft (1f) is correspondingly provided with the shaft shoulder, flap shaft
(1f) is stuck in flap axis hole (1e) by circlip (10)；
It further include being arranged in flap axis hole (1e) and the supporting shaft hole outer end (1g) and being respectively held against flap shaft (1f) and support shaft
(8) end cap.
4. a kind of liquid metal regulating valve according to claim 1, which is characterized in that further include graphite packing (18), filler
Gland (19), sealing cover (17) is intermediate to be equipped with the through-hole being pierced by for valve rod, and the outer end of through-hole is provided with packing groove, graphite packing
(18) it is filled in packing groove, gland (19) screws in through-hole to compress graphite packing (18).
5. a kind of liquid metal regulating valve according to claim 4, which is characterized in that it is characterized in that, further including leakage report
Alarm device (24), temperature sensor (25)；Leakage warning device (24) includes liquid metal of the setting on the top bellows (16a)
Detection device, temperature sensor (25) are arranged near graphite packing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692611.XA CN110440020A (en) | 2019-07-30 | 2019-07-30 | A kind of liquid metal regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692611.XA CN110440020A (en) | 2019-07-30 | 2019-07-30 | A kind of liquid metal regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110440020A true CN110440020A (en) | 2019-11-12 |
Family
ID=68432217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692611.XA Pending CN110440020A (en) | 2019-07-30 | 2019-07-30 | A kind of liquid metal regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110440020A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546953A (en) * | 1977-03-10 | 1985-10-15 | Nuovo Pignone S.P.A. | Ball valve |
| CN2344611Y (en) * | 1998-04-03 | 1999-10-20 | 涂海秋 | Sealed ball valve |
| CN2753928Y (en) * | 2004-07-15 | 2006-01-25 | 浙江大学 | Conical-surface hard-sealed ball valve |
| CN101832401A (en) * | 2010-04-27 | 2010-09-15 | 湖南泵阀制造有限公司 | Corrugated pipe ball valve |
| CN205350415U (en) * | 2016-01-14 | 2016-06-29 | 北京市阀门总厂股份有限公司 | High temperature eccentric half -ball valve |
| CN208503523U (en) * | 2018-06-04 | 2019-02-15 | 中核苏阀科技实业股份有限公司 | Heavy-caliber high-temperature liquid metal sodium valves |
-
2019
- 2019-07-30 CN CN201910692611.XA patent/CN110440020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546953A (en) * | 1977-03-10 | 1985-10-15 | Nuovo Pignone S.P.A. | Ball valve |
| CN2344611Y (en) * | 1998-04-03 | 1999-10-20 | 涂海秋 | Sealed ball valve |
| CN2753928Y (en) * | 2004-07-15 | 2006-01-25 | 浙江大学 | Conical-surface hard-sealed ball valve |
| CN101832401A (en) * | 2010-04-27 | 2010-09-15 | 湖南泵阀制造有限公司 | Corrugated pipe ball valve |
| CN205350415U (en) * | 2016-01-14 | 2016-06-29 | 北京市阀门总厂股份有限公司 | High temperature eccentric half -ball valve |
| CN208503523U (en) * | 2018-06-04 | 2019-02-15 | 中核苏阀科技实业股份有限公司 | Heavy-caliber high-temperature liquid metal sodium valves |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201208 Address after: 528000 No.1 Factory building, Tangtou Industrial Park, Tangtou village committee section, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan Yuren Intelligent Technology Co.,Ltd. Address before: 130000 group 2, Jilin Street thermal power Committee, Erdao District, Changchun City, Jilin Province Applicant before: Yu Jihan |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |