CN103470801A - Valve for cross pipe pressurized reactor - Google Patents
Valve for cross pipe pressurized reactor Download PDFInfo
- Publication number
- CN103470801A CN103470801A CN2013104168685A CN201310416868A CN103470801A CN 103470801 A CN103470801 A CN 103470801A CN 2013104168685 A CN2013104168685 A CN 2013104168685A CN 201310416868 A CN201310416868 A CN 201310416868A CN 103470801 A CN103470801 A CN 103470801A
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- valve
- ring
- valve body
- ball valve
- seal ring
- 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.)
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- 239000007788 liquid Substances 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 5
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000008041 oiling agent Substances 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a valve for a cross pipe pressurized reactor and aims at providing the valve for the cross pipe pressurized reactor, which can perform loading and unloading on the pressurized reactor under normal operation conditions. The valve comprises a valve casing (1), a ball valve (2) and a ball valve rod (3). Liquid inlet and outlet channels (4) which are mutually communicated in the same straight line are arranged inside the valve casing, the top of the valve casing is provided with a valve casing top cover (5); one end of the ball valve rod is connected with a groove at the upper end of the ball valve after penetrating the valve casing top cover; a valve body (11) is arranged between the ball valve and the valve casing, the upper end of the valve body is fixedly provided with a valve body rod (12), and the valve body rod is provided with a worm wheel (9) and a worm (10); the upper end of the ball valve rod is hinged to a linkage rod (27); the side wall of the valve casing is provided with a reloading window (28).
Description
Technical field
The present invention relates to a kind of valve, particularly relate to a kind of valve for cross pipe pressure type reactor.
Background technique
The mode that the mankind consume disposable energy development economy excessively must change.Following 40 years, safety, clean, efficient, reliable nuclear-energy plant will enter the fast-developing phase, and 60,000 kilowatts of power of heap and above marine nuclear power plant will come into one's own day by day.
Heavy water reactor, be one of four large main flow reactor types of application at present, and its commercial value just constantly rises in value.Heavy water reactor, can load and draw off fuel uranium online because it has, can be to advantages such as the real-time detection of each pipe heap and controls, and its inherent safety is recognized altogether for the public.And in the prior art, especially, in cross pipe pressure type reactor, under the situation of not shutdown of reactor, can not carry out online the filling and the discharging operation to nuclear fuel rod.
Summary of the invention
The technical problem to be solved in the present invention is to provide under a kind of situation run well at reactor can carry out to it cross pipe pressure type reactor valve of filler and discharging operation.
Cross pipe pressure type reactor valve of the present invention, comprise valve casing, ball valve and ball valve rod, be provided with in described valve casing and be interconnected and the liquid in-out passage on same straight line, the top of valve casing is provided with a valve casing top cover, be provided with equalizing bed and the first seal ring between valve casing top cover and valve casing, be provided with the ball valve passage in described ball valve, one end of described ball valve rod is connected with the groove of ball valve upper end through after the valve casing top cover, be provided with valve body between described ball valve and valve casing, the upper end of valve body is fixed with the valve body bar, the cross section of described valve body bar is ring, described ball valve rod is positioned at the valve body bar, in valve body, be provided with an inner chamber and with the valve channel of intracavity inter-connection, described valve channel and liquid in-out passage, the ball valve passage is interconnected, one end of valve channel is provided with a retainer truss, the inner chamber of described valve body and the outer surface of ball valve fit, be provided with the second seal ring between ball valve and valve body, be provided with the 3rd seal ring between valve body and valve casing, be provided with clutch shaft bearing and bearing gasket between the lower end of valve body and valve casing, be provided with the second bearing and the 4th seal ring between the upper end of valve body and valve casing top cover, be provided with the 3rd bearing between described valve body bar and valve casing top cover, the outside of the 3rd bearing also is provided with the 5th seal ring, be provided with the 4th bearing between ball valve rod and valve body bar, the outside of the 4th bearing also is provided with the 6th seal ring, also be provided with the first gland nut on the outer circle wall of described valve body bar, the first gland nut is adjacent to mutually with the 5th seal ring, also be provided with the second gland nut on the inner peripheral wall of valve body bar, the second gland nut is adjacent to mutually with the 6th seal ring, the outside that is positioned at the first gland nut on the valve body bar also is equipped with worm gear and worm screw, the upper end of ball valve rod also is hinged with a linkage rod, also be provided with some grooves on the upper-end surface of described valve body bar, this groove is used for placing on linkage rod the end away from ball valve rod, also have the window that reloads that can be connected with valve channel on the sidewall of described valve casing, the window that reloads is provided with a side sealing lid, be provided with the side sealing circle between side sealing lid and valve casing.
Cross pipe pressure type reactor valve of the present invention, the place, two ends of wherein said ball valve passage respectively is provided with the through hole of an along continuous straight runs, two through holes are arranged symmetrically with along the axis centre of ball valve passage, and the axis of the line of centres of two through holes and ball valve passage is 30 degree angles.
Cross pipe pressure type reactor valve of the present invention, 1/3 of the aperture that the aperture of wherein said each through hole is the ball valve passage.
Cross pipe pressure type reactor valve of the present invention, wherein said the 4th seal ring is identical with the structure of described the 6th seal ring, all comprise labyrinth ring and lower labyrinth ring, lower labyrinth ring is that the below of described lower labyrinth ring is provided with hold-down ring, scrobicular ring, crescent moon ring, O type ring and stainless steel butterfly ripple spring from top to bottom successively to cuing open two-piece structure.
Cross pipe pressure type reactor valve of the present invention, wherein said crescent moon ring, O type ring, the second seal ring and the 3rd seal ring are all made by sintered silicon carbon, and upper labyrinth ring, lower labyrinth ring, hold-down ring and scrobicular ring are all made by cemented carbide.
Cross pipe pressure type reactor of the present invention is that by the valve difference from prior art ball valve rod in the present invention can drive ball valve and rotate with respect to valve body, and valve body also can rotate with respect to valve casing, when linkage rod is placed in to horizontal position, make the termination of linkage rod be positioned at the groove of valve body bar upper-end surface, so linkage rod is by ball valve rod together with the valve body lever lock, the valve body bar can be with moving valve to be rotated with respect to valve casing together with ball valve under the effect of worm gear, worm screw like this; When linkage rod is placed in to vertical position, now the termination of linkage rod breaks away from the groove of valve body bar upper-end surface, and static if valve body keeps, with mechanism hand roating sphere valve rod, ball valve just can be rotated with respect to valve body.While needing the refuelling rod, operation is positioned at the valve of oblique pressure pipe top, the filler valve that valve herein is whole cross pipe pressure type reactor, linkage rod in the filler valve is placed in to horizontal position, power plant drive worm screw afterwards, worm gear rotates, worm gear is with again the moving valve bar to rotate, like this valve body and ball valve will together with respect to valve casing, rotate.Turn over 90 when valve body while spending together with ball valve, open the side sealing lid on the valve casing sidewall, from reloading, window is filled into untapped fuel rod in valve channel, a retainer truss that is positioned at valve channel one end is held fuel rod, change afterwards after the side sealing circle window that again the side sealing cap seal firmly reloaded, then the valve body bar is rotated to the filling work that 90 degree can complete fuel rod toward opposite direction.In the time the fuel rod after using need to being unloaded out, operation is positioned at the valve of oblique pressure pipe below, the discharge gate that valve herein is whole cross pipe pressure type reactor, operating process is loaded working procedure with above-mentioned fuel rod, when just at valve body, turning over 90 degree together with ball valve, the fuel rod be finished is drawn off and gets final product from the window that reloads.As can be seen here, under the situation that the present invention can run well at reactor, it is carried out to the operation of filler and discharging.
Cross pipe pressure type reactor of the present invention respectively is provided with the through hole of an along continuous straight runs with the place, two ends of ball valve passage in valve, work as so indivedual pressure tubes of reactor in the process promptly sealed and stopped, be about to linkage rod and be placed in vertical position, now the termination of linkage rod breaks away from the groove of valve body bar upper-end surface, with mechanism hand, by ball valve, with respect to valve body, forward in the process of 90 degree afterwards, when ball valve being turned over to 20～35 degree, two through holes and ball valve passage form the pressure releasing passages of S type, a loop liquid in pressure tube is through this pressure releasing passages the time, can produce decompression, supercharging, the phenomenon reduced pressure again, there is good water hammer-resistant effect, also just prevented that large pressure surge from appearring in reactor system.
Below in conjunction with accompanying drawing, the invention will be further described.
The accompanying drawing explanation
Fig. 1 is that cross pipe pressure type reactor of the present invention is looked sectional view with the master of valve;
Fig. 2 is the structural drawing of cross pipe pressure type reactor of the present invention with the 4th seal ring in valve;
Fig. 3 is the vertical view cutaway drawing of cross pipe pressure type reactor of the present invention with valve.
Embodiment
As shown in Figure 1, cross pipe pressure type reactor of the present invention comprises valve casing 1 with valve, ball valve 2 and ball valve rod 3, be provided with in described valve casing 1 and be interconnected and the liquid in-out passage 4 on same straight line, the top of valve casing 1 is provided with a valve casing top cover 5, be provided with equalizing bed 7 and the first seal ring 6 between valve casing top cover 5 and valve casing 1, be provided with ball valve passage 8 in described ball valve 2, one end of described ball valve rod 3 is connected with the groove of ball valve 2 upper ends through valve casing top cover 5 is rear, be provided with valve body 11 between described ball valve 2 and valve casing 1, the upper end of valve body 11 is fixed with valve body bar 12, the cross section of described valve body bar 12 is ring, described ball valve rod 3 is positioned at valve body bar 12, in valve body 11, be provided with an inner chamber and with the valve channel 13 of intracavity inter-connection, described valve channel 13 and liquid in-out passage 4, ball valve passage 8 is interconnected, one end of valve channel 13 is provided with a retainer truss 14, described retainer truss 14 is circular, in annulus, be equipped with some pressure pins outward, leave gap between pressure pin.The outer surface of the inner chamber of described valve body 11 and ball valve 2 fits, be provided with the second seal ring 15 between ball valve 2 and valve body 11, be provided with the 3rd seal ring 16 between valve body 11 and valve casing 1, be provided with clutch shaft bearing 17 and bearing gasket 18 between the lower end of valve body 11 and valve casing 1, be provided with the second bearing 19 and the 4th seal ring 20 between the upper end of valve body 11 and valve casing top cover 5.Shown in Fig. 2, described the 4th seal ring 20 comprises labyrinth ring 201 and lower labyrinth ring 202, lower labyrinth ring 202 is to cuing open two-piece structure, the below of described lower labyrinth ring 202 is provided with hold-down ring 203 from top to bottom successively, scrobicular ring 204, crescent moon ring 205, the stainless steel butterfly ripple spring 207 of O type ring 206 and high-strength high temperature-resistant, the material of described butterfly ripple spring 207 is 0Cr17Ni7Al, described crescent moon ring 205, O type ring 206 and second, three seal rings 15, 16 make by sintered silicon carbon, described upper labyrinth ring 201 and lower labyrinth ring 202, hold-down ring 203, scrobicular ring 204 is made by the WC-Cr-Ni cemented carbide.Be provided with the 3rd bearing 21 between described valve body bar 12 and valve casing top cover 5, the outside of the 3rd bearing 21 also is provided with the 5th seal ring 22, be provided with oiling agent between described the 3rd bearing 21 and the 5th seal ring 22, so that the 5th seal ring 22 reduces the frictional force between the 5th seal ring 22 and the 3rd bearing 21 while rotating along with valve body bar 12.Be provided with the 4th bearing 23 between ball valve rod 3 and valve body bar 12, the outside of the 4th bearing 23 also is provided with the 6th seal ring 24, the 6th seal ring 24 is identical with the structure of the 4th seal ring 20, be provided with oiling agent between the 4th bearing 23 and the 6th seal ring 24, so that ball valve rod 3 reduces the frictional force between the 4th bearing 23 and the 6th seal ring 24 when rotating with respect to valve body bar 12.Also be provided with the first gland nut 25 on the outer circle wall of described valve body bar 12, the first gland nut 25 is adjacent to mutually with the 5th seal ring 22, also be provided with the second gland nut 26 on the inner peripheral wall of valve body bar 12, the second gland nut 26 is adjacent to mutually with the 6th seal ring 24, the outside that is positioned at the first gland nut 25 on valve body bar 12 also is equipped with worm gear 9 and worm screw 10, the upper end of ball valve rod 3 also is hinged with a linkage rod 27, also be provided with some grooves on the upper-end surface of described valve body bar 12, this groove is used for placing on linkage rod 27 end away from ball valve rod 3.Shown in Fig. 3, also have the window 28 that reloads that can be connected with valve channel 13 on the sidewall of described valve casing 1, the window 28 that reloads is provided with a side sealing lid, between side sealing lid and valve casing 1, is provided with the side sealing circle.The place, two ends of described ball valve passage 8 respectively is provided with the through hole 29 of an along continuous straight runs, two through holes 29 are arranged symmetrically with along the axis centre of ball valve passage 8, the axis of the line of centres of two through holes 29 and ball valve passage 8 is 30 degree angles, 1/3 of the aperture that the aperture of each through hole 29 is ball valve passage 8.
The material of the ball valve 2 in the present invention is for comprising 36%N1 and Cr, Mo and ultralow-carbon stainless steel (invar), when the indivedual pressure tube scram of needs, the ball valve 2 that only need turn in the valve of relevant pressure pipe gets final product, so just cut off contacting of heating medium light-water in this pressure tube and total reactor, whole reactor can continuous firing.The material of ball valve rod 3 is 309 stainless steels, and the material of valve body 11 is 17-6(00Cr17Ni6Cu4Nb) high-strength stainless steel, the material of valve casing 1 is 316L.
The present invention is applicable to large-scale ore and the intercontinental mechanical transport ship of crude oil, the nuclear power plant of boats and ships and ten thousand casees above container ships and military field, land reactor open ice, can carry out the power coarse adjustment of nuclear reactor power device, the vitality of naval vessels and operability are improved.
In the present invention, the S type pressure releasing passages of ball valve 2 interior settings, have good water hammer-resistant effect, effectively limited the pressure surge of core one-level piping, is conducive to ensure the safety of reactor system, is conducive to reduce the noise of reactor system and marine nuclear power plant.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technological scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (5)
1. a cross pipe pressure type reactor valve, it is characterized in that: comprise valve casing (1), ball valve (2) and ball valve rod (3), be provided with in described valve casing (1) and be interconnected and the liquid in-out passage (4) on same straight line, the top of valve casing (1) is provided with a valve casing top cover (5), be provided with equalizing bed (7) and the first seal ring (6) between valve casing top cover (5) and valve casing (1), be provided with ball valve passage (8) in described ball valve (2), one end of described ball valve rod (3) is connected with the groove of ball valve (2) upper end through after valve casing top cover (5), be provided with valve body (11) between described ball valve (2) and valve casing (1), the upper end of valve body (11) is fixed with valve body bar (12), the cross section of described valve body bar (12) is ring, described ball valve rod (3) is positioned at valve body bar (12), in valve body (11), be provided with an inner chamber and with the valve channel (13) of intracavity inter-connection, described valve channel (13) and liquid in-out passage (4), ball valve passage (8) is interconnected, one end of valve channel (13) is provided with a retainer truss (14), the outer surface of the inner chamber of described valve body (11) and ball valve (2) fits, be provided with the second seal ring (15) between ball valve (2) and valve body (11), be provided with the 3rd seal ring (16) between valve body (11) and valve casing (1), be provided with clutch shaft bearing (17) and bearing gasket (18) between the lower end of valve body (11) and valve casing (1), be provided with the second bearing (19) and the 4th seal ring (20) between the upper end of valve body (11) and valve casing top cover (5), be provided with the 3rd bearing (21) between described valve body bar (12) and valve casing top cover (5), the outside of the 3rd bearing (21) also is provided with the 5th seal ring (22), be provided with the 4th bearing (23) between ball valve rod (3) and valve body bar (12), the outside of the 4th bearing (23) also is provided with the 6th seal ring (24), also be provided with the first gland nut (25) on the outer circle wall of described valve body bar (12), the first gland nut (25) is adjacent to mutually with the 5th seal ring (22), also be provided with the second gland nut (26) on the inner peripheral wall of valve body bar (12), the second gland nut (26) is adjacent to mutually with the 6th seal ring (24), the outside that is positioned at the first gland nut (25) on valve body bar (12) also is equipped with worm gear (9) and worm screw (10), the upper end of ball valve rod (3) also is hinged with a linkage rod (27), also be provided with some grooves on the upper-end surface of described valve body bar (12), this groove is used for placing the upper end away from ball valve rod (3) of linkage rod (27), also have the window that reloads (28) that can be connected with valve channel (13) on the sidewall of described valve casing (1), the window (28) that reloads is provided with a side sealing lid, side sealing lid and valve casing are provided with the side sealing circle between (1).
2. cross pipe pressure type reactor valve according to claim 1, it is characterized in that: the place, two ends of described ball valve passage (8) respectively is provided with the through hole (29) of an along continuous straight runs, two through holes (29) are arranged symmetrically with along the axis centre of ball valve passage (8), and the axis of the line of centres of two through holes (29) and ball valve passage (8) is 30 degree angles.
3. cross pipe pressure type reactor valve according to claim 1 and 2, is characterized in that: 1/3 of the aperture that the aperture of described each through hole (29) is ball valve passage (8).
4. cross pipe pressure type reactor valve according to claim 3, it is characterized in that: described the 4th seal ring (20) is identical with the structure of described the 6th seal ring (24), all comprise labyrinth ring (201) and lower labyrinth ring (202), lower labyrinth ring (202) is that the below of described lower labyrinth ring (202) is provided with hold-down ring (203), scrobicular ring (204), crescent moon ring (205), O type ring (206) and stainless steel butterfly ripple spring (207) from top to bottom successively to cuing open two-piece structure.
5. cross pipe pressure type reactor valve according to claim 4, it is characterized in that: described crescent moon ring (205), O type ring (206), the second seal ring (15) and the 3rd seal ring (16) are all made by sintered silicon carbon, and upper labyrinth ring (201), lower labyrinth ring (202), hold-down ring (203) and scrobicular ring (204) are all made by cemented carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416868.5A CN103470801B (en) | 2013-09-12 | 2013-09-12 | Valve for cross pipe pressurized reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416868.5A CN103470801B (en) | 2013-09-12 | 2013-09-12 | Valve for cross pipe pressurized reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470801A true CN103470801A (en) | 2013-12-25 |
| CN103470801B CN103470801B (en) | 2015-06-10 |
Family
ID=49795781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416868.5A Active CN103470801B (en) | 2013-09-12 | 2013-09-12 | Valve for cross pipe pressurized reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470801B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274057A (en) * | 2019-05-09 | 2019-09-24 | 厦门建霖健康家居股份有限公司 | It is a kind of to cross tap |
| CN110345272A (en) * | 2019-07-04 | 2019-10-18 | 张继美 | Control method for power station steam safe transport |
| CN112169477A (en) * | 2020-07-06 | 2021-01-05 | 耿纪卫 | Negative pressure hydrogen discharging device for electrolyzing sodium hypochlorite |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09152044A (en) * | 1995-11-30 | 1997-06-10 | Kubota Corp | Ball valve |
| CN201184427Y (en) * | 2008-04-09 | 2009-01-21 | 韩先锋 | LNG automatic leakage-proof valve and valve set |
| CN102141164A (en) * | 2011-03-18 | 2011-08-03 | 韩先锋 | General valve capable of being maintained on line |
| CN203477418U (en) * | 2013-09-12 | 2014-03-12 | 韩先锋 | Valve for cross pipe pressure type reactor |
-
2013
- 2013-09-12 CN CN201310416868.5A patent/CN103470801B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09152044A (en) * | 1995-11-30 | 1997-06-10 | Kubota Corp | Ball valve |
| CN201184427Y (en) * | 2008-04-09 | 2009-01-21 | 韩先锋 | LNG automatic leakage-proof valve and valve set |
| CN102141164A (en) * | 2011-03-18 | 2011-08-03 | 韩先锋 | General valve capable of being maintained on line |
| CN203477418U (en) * | 2013-09-12 | 2014-03-12 | 韩先锋 | Valve for cross pipe pressure type reactor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274057A (en) * | 2019-05-09 | 2019-09-24 | 厦门建霖健康家居股份有限公司 | It is a kind of to cross tap |
| CN110274057B (en) * | 2019-05-09 | 2024-03-12 | 厦门建霖健康家居股份有限公司 | Water tap |
| CN110345272A (en) * | 2019-07-04 | 2019-10-18 | 张继美 | Control method for power station steam safe transport |
| CN112169477A (en) * | 2020-07-06 | 2021-01-05 | 耿纪卫 | Negative pressure hydrogen discharging device for electrolyzing sodium hypochlorite |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470801B (en) | 2015-06-10 |
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Address after: Jiangdong District of Ningbo city in Zhejiang province 315040 Jinyuan Lane No. 225 room 603 Applicant after: Han Xianfeng Address before: 315200 No. 173 East Yanjiang Road, Zhenhai District, Zhejiang, Ningbo Applicant before: Han Xianfeng |
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Effective date of registration: 20170930 Address after: 301700, Wuqing District, Tianjin City Tsui access east side of Yue homes 35-1-1205 Patentee after: Zhang Haiying Address before: Jiangdong District of Ningbo city in Zhejiang province 315040 Jinyuan Lane No. 225 room 603 Patentee before: Han Xianfeng |
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Effective date of registration: 20181022 Address after: 325500 Dongxi, Mao bamboo village, Luoyang Town, Taishun County, Wenzhou, Zhejiang, China Patentee after: Huang Erdan Address before: 301700 Shang Yue home, 35-1-1205, new town, Wuqing District, Tianjin Patentee before: Zhang Haiying |
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Effective date of registration: 20181130 Address after: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee after: Huzhou You Yan Intellectual Property Service Co., Ltd. Address before: 325500 Dongxi, Mao bamboo village, Luoyang Town, Taishun County, Wenzhou, Zhejiang, China Patentee before: Huang Erdan |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191016 Address after: Room 1802 and 2302, No. 9, Xingqing Road, Beilin District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Aerospace Valve Technology Group Co., Ltd. Address before: Room 1,020, Nanxun Science and Technology Pioneering Park, No. 666 Chaoyang Road, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee before: Huzhou You Yan Intellectual Property Service Co., Ltd. |