CN114508642A - Floating blind-mate connector with sealing ring protection function - Google Patents
Floating blind-mate connector with sealing ring protection function Download PDFInfo
- Publication number
- CN114508642A CN114508642A CN202210132172.9A CN202210132172A CN114508642A CN 114508642 A CN114508642 A CN 114508642A CN 202210132172 A CN202210132172 A CN 202210132172A CN 114508642 A CN114508642 A CN 114508642A
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- Prior art keywords
- plug
- socket
- floating
- step surface
- sealing ring
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- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 64
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims description 22
- 239000012530 fluid Substances 0.000 abstract description 17
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a floating blind-mate connector with a sealing ring protection function, which comprises a plug and a socket, wherein the plug is provided with a plug hole; the plug includes the plug fixing base, the plug body, the plug case, plug valve barrel and plug sealing washer, be equipped with first ring channel on the outer peripheral face of plug fixing base, be equipped with plug fixing base sealing washer in the first ring channel, the plug body sets up in the plug fixing base, but the setting of plug case and plug valve barrel axial displacement is at the plug originally internally, be equipped with the second ring channel on the front end outer peripheral face of plug case, the plug sealing washer sets up in the second ring channel, the plug valve barrel is connected with plug valve barrel reset spring, be connected with plug case reset spring between plug valve barrel and the plug valve barrel, be equipped with on the inner peripheral face of plug valve barrel and be used for the first annular arch with the front end complex of plug case. The floating blind-mate joint with the sealing ring protection function can protect the sealing ring in advance when the joint is connected, and the sealing ring is prevented from being separated from the floating blind-mate joint due to the impact of fluid.
Description
Technical Field
The invention relates to a floating blind-mate connector with a sealing ring protection function.
Background
The quick connector is a device for realizing quick disconnection or connection of pipelines, is mostly used in fluid pipelines, is convenient for arrangement and connection of various elements for realizing different fluid loops, and is mostly provided with a blind plug connector for improving the installed density, and the installed capacity of the liquid cooling is continuously improved. The traditional blind-mate quick connector has no sealing ring protection function, and fluid is in contact with the sealing ring for a long time, so that the sealing ring is accelerated to age, lose elasticity and lose the sealing function; if impurities and particles exist in the fluid, the impurities and the particles in the fluid continuously impact and rub the sealing ring along with the rapid flow of the fluid, so that the sealing ring is forced to be cracked and damaged, and finally the sealing function is lost. And, when the fluid velocity of flow is too big, the fluid can be washed the sealing washer away from the mounting groove, causes piping system to leak.
Disclosure of Invention
The invention aims to provide a floating blind-mate connector with a sealing ring protection function, which is reasonable in structure and can protect a sealing ring in advance when the connector is connected so as to prevent the sealing ring from being separated from the connector due to fluid impact.
In order to achieve the purpose, the technical scheme of the invention is to design a floating blind-mate connector with a sealing ring protection function, which comprises a plug and a socket;
the plug comprises a plug fixing seat, a plug body, a plug valve core, a plug valve sleeve and a plug sealing ring, a first annular groove is arranged on the outer peripheral surface of the plug fixing seat, a plug fixing seat sealing ring is arranged in the first annular groove, a plug mounting hole is arranged inside the plug fixing seat, the plug body is arranged in the plug mounting hole, the plug body is internally provided with a plug flow passage, the plug valve core and the plug valve sleeve are axially movably arranged in the plug flow passage, a second annular groove is arranged on the outer peripheral surface of the front end of the plug valve core, the plug sealing ring is arranged in the second annular groove, the plug valve sleeve is sleeved on the plug valve core, a plug valve sleeve return spring is connected between the plug valve sleeve and the inner wall of the plug flow channel, a plug valve core return spring is connected between the plug valve sleeve and the front end of the plug valve core, and the inner peripheral surface of the plug valve sleeve is provided with a first annular bulge matched with the front end of the plug valve core. By adopting the scheme, the plug sealing ring realizes the sealing between the plug body and the plug valve core when the plug is not in use; when the plug is connected with the socket, the plug valve core is extruded at first, and drives the plug sealing ring to move into the plug valve sleeve, at the moment, the reset spring of the plug valve core is compressed, when the front end of the plug valve core is contacted with the first annular bulge, the plug valve core drives the plug valve sleeve to move together and compress the reset spring of the plug valve sleeve, until the plug and the socket are inserted in place, the plug flow channel inside the plug body is conducted, and because the plug sealing ring is positioned in the plug valve sleeve at the moment, the plug sealing ring can be protected by the plug valve sleeve, the plug sealing ring is prevented from being separated from the plug valve sleeve due to fluid impact, and meanwhile, the plug sealing ring can be prevented from being damaged due to the contact with the fluid.
Preferably, the socket comprises a socket fixing seat, a socket body, a socket valve core, a socket valve sleeve, a protection sleeve and a socket sealing ring, a third annular groove is arranged on the outer peripheral surface of the socket fixing seat, the socket fixing seat sealing ring is arranged in the third annular groove, a socket mounting hole is arranged inside the socket fixing seat, the socket body is arranged in the socket mounting hole, a socket flow channel is arranged inside the socket body, the socket valve core is fixedly arranged in the socket flow channel, the socket valve sleeve and the protection sleeve are axially movably arranged in the socket flow channel, the socket valve sleeve is sleeved on the socket valve core, a socket valve sleeve reset spring is connected between the socket valve sleeve and the inner wall of the socket flow channel, a second annular bulge is arranged on the inner peripheral surface of the socket valve sleeve, a fourth annular groove is arranged on the inner peripheral surface of the second annular bulge, and the socket sealing ring is arranged in the fourth annular groove, the socket valve element is sleeved with the protective sleeve, a protective sleeve reset spring is connected between the protective sleeve and the inner wall of the socket flow channel, and a third annular bulge matched with the second annular bulge is arranged on the outer peripheral surface of the protective sleeve. By adopting the scheme, the socket sealing ring realizes the sealing between the socket valve sleeve and the socket valve core when the socket is not in use; when the plug is connected with the socket, at first, the socket valve sleeve is extruded, and drive the socket sealing ring to move to between socket valve sleeve and the protective sheath, socket valve sleeve reset spring is compressed this moment, when the second annular bulge of socket valve sleeve contacts with the third annular bulge of protective sheath, the socket valve sleeve will drive the protective sheath and together move and compress socket valve sleeve reset spring and protective sheath reset spring, when the plug and the socket are pegged graft in place, the inside socket runner of socket ontology switches on, because the socket sealing ring is located between socket valve sleeve and the protective sheath this moment, consequently, can protect the socket sealing ring, prevent that the socket sealing ring from being strikeed and deviating from by the fluid, can prevent simultaneously that the socket sealing ring from contacting with the fluid and causing the damage.
Preferably, a first floating gap is reserved between the outer peripheral surface of the plug body and the hole wall of the plug mounting hole, a first floating sealing ring is arranged in the first floating gap, and the tail end of the plug body is connected with the plug fixing seat through a first positioning snap spring. Through adopting above-mentioned scheme, make the plug body can be along radial and angular free removal in certain extent to the adjustment center of butt joint, thereby be convenient for connect, and first floating seal circle is pressed fitting all the time between plug body and plug fixing base, prevents sealed inefficacy.
Preferably, a first step surface is formed on the wall of the plug mounting hole, a second step surface corresponding to the first step surface is formed on the outer peripheral surface of the plug body, a second floating gap is left between the second step surface and the first step surface, and a first floating disc spring is connected between the second step surface and the first step surface. By adopting the scheme, the plug body can freely move in a certain range along the axial direction, so that the plug body is prevented from being damaged by mechanical extrusion.
Preferably, a third floating gap is reserved between the outer peripheral surface of the socket body and the hole wall of the socket mounting hole, a second floating sealing ring is arranged in the third floating gap, and the tail end of the socket body is connected with the socket fixing seat through a second positioning snap spring. By adopting the scheme, the socket body can freely move in a certain range along the radial direction and the angular direction to adjust the butt joint center, so that the connection is facilitated, and the second floating sealing ring is pressed between the socket body and the socket fixing seat all the time, so that the sealing failure is prevented.
Preferably, a third step surface is formed on a wall of the socket mounting hole, a fourth step surface corresponding to the third step surface is formed on an outer peripheral surface of the socket body, a fourth floating gap is left between the fourth step surface and the third step surface, and a second floating disc spring is connected between the fourth step surface and the third step surface. By adopting the scheme, the socket body can freely move in a certain range along the axial direction, so that the socket body is prevented from being damaged by mechanical extrusion.
The invention has the advantages and beneficial effects that: the floating blind-mate connector with the sealing ring protection function is reasonable in structure, can protect the sealing ring in advance when the connector is connected, and prevents the sealing ring from being separated from the connector due to fluid impact.
Drawings
Figure 1 is a schematic view of a plug according to the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic view of a socket of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1, 2 and 3, a floating blind-mate connector with a seal ring protection function comprises a plug and a socket;
the plug comprises a plug fixing seat 100, a plug body 101, a plug valve core 102, a plug valve sleeve 103 and a plug sealing ring 104, wherein a first annular groove is arranged on the outer peripheral surface of the plug fixing seat 100, a plug fixing seat sealing ring 105 is arranged in the first annular groove, a plug mounting hole is arranged inside the plug fixing seat 100, the plug body 101 is arranged in the plug mounting hole, a plug flow channel is arranged inside the plug body 101, the plug valve core 102 and the plug valve sleeve 103 are axially movably arranged in the plug flow channel, a second annular groove is arranged on the outer peripheral surface of the front end of the plug valve core 102, the plug sealing ring 104 is arranged in the second annular groove, the plug valve sleeve 103 is sleeved on the plug valve core 102, a plug valve sleeve reset spring 106 is connected between the plug valve sleeve 103 and the inner wall of the plug flow channel, and a plug valve core reset spring 107 is connected between the plug valve sleeve 103 and the front end of the plug valve core 102, and a first annular protrusion 108 for being engaged with the front end of the plug valve spool 102 is provided on the inner circumferential surface of the plug valve housing 103.
The socket comprises a socket fixing seat 200, a socket body 201, a socket valve core 202, a socket valve sleeve 203, a protective sleeve 204 and a socket sealing ring 205, wherein a third annular groove is arranged on the outer peripheral surface of the socket fixing seat 200, a socket fixing seat sealing ring 206 is arranged in the third annular groove, a socket mounting hole is arranged in the socket fixing seat 200, the socket body 201 is arranged in the socket mounting hole, a socket flow channel is arranged in the socket body 201, the socket valve core 202 is fixedly arranged in the socket flow channel, the socket valve sleeve 203 and the protective sleeve 204 can be axially and movably arranged in the socket flow channel, the socket valve sleeve 203 is sleeved on the socket valve core 202, a socket valve sleeve reset spring 207 is connected between the socket valve sleeve 203 and the inner wall of the socket flow channel, a second annular bulge 208 is arranged on the inner peripheral surface of the socket valve sleeve 203, a fourth annular groove is arranged on the inner peripheral surface of the second annular bulge 208, and the socket sealing ring 205 is arranged in the fourth annular groove, the socket valve element 202 is sleeved with the protective sleeve 204, a protective sleeve return spring 209 is connected between the protective sleeve 204 and the inner wall of the socket flow passage, and a third annular protrusion 210 for matching with the second annular protrusion 208 is arranged on the outer peripheral surface of the protective sleeve 204.
A first floating gap 109 is reserved between the outer peripheral surface of the plug body 101 and the hole wall of the plug mounting hole, a first floating sealing ring 110 is arranged in the first floating gap 109, and the tail end of the plug body 101 is connected with the plug fixing seat 100 through a first positioning snap spring 111.
A first step surface 112 is formed on the wall of the plug mounting hole, a second step surface 113 corresponding to the first step surface 112 is formed on the outer peripheral surface of the plug body 101, a second floating gap 114 is left between the second step surface 113 and the first step surface 112, and a first floating disc spring 115 is connected between the second step surface 113 and the first step surface 112.
A third floating gap 211 is left between the outer circumferential surface of the socket body 201 and the hole wall of the socket mounting hole, a second floating seal ring 212 is arranged in the third floating gap 211, and the tail end of the socket body 201 is connected with the socket fixing seat 200 through a second positioning snap spring 213.
A third step surface is formed on the hole wall of the socket mounting hole, a fourth step surface corresponding to the third step surface is formed on the outer peripheral surface of the socket body 201, a fourth floating gap is left between the fourth step surface and the third step surface, and a second floating disc spring 214 is connected between the fourth step surface and the third step surface.
When the floating blind-mate connector with the sealing ring protection function is connected: the plug valve core 102 is extruded by the socket valve core 202 and drives the plug sealing ring 104 to move into the plug valve sleeve 103, so that the plug valve core return spring 107 is compressed, and when the front end of the plug valve core 103 is contacted with the first annular bulge 108, the plug valve core 102 drives the plug valve sleeve 103 to move together and compress the plug valve sleeve return spring 106; at the same time, the socket valve sleeve 203 is squeezed by the plug valve body 101, and drives the socket sealing ring 205 to move between the socket valve sleeve 203 and the protection sleeve 204, so that the socket valve sleeve return spring 207 is compressed, when the second annular projection 208 of the receptacle valve sleeve 203 contacts the third annular projection 210 of the protective sleeve 204, the socket valve housing 203 will move the protective sleeve 204 together and compress the socket valve housing return spring 207 and the protective sleeve return spring 209 until the plug and socket are properly inserted, the plug runners inside the plug body 101 are in communication with the receptacle runners inside the receptacle body 201, since the plug seal ring 104 is now located between the plug valve spool 102 and the plug valve sleeve 103, the socket seal ring 205 is located between the socket valve sleeve 203 and the protection sleeve 204, so that the plug seal ring 104 and the socket seal ring 205 can be protected to prevent the seal rings from being separated due to fluid impact, and meanwhile, the seal rings can be prevented from being damaged due to contact with the fluid.
Moreover, a first floating gap 109 is reserved between the outer peripheral surface of the plug body 101 and the hole wall of the plug mounting hole, and the plug body 101 is connected with the plug fixing seat 100 through a first positioning snap spring 111, so that the plug body 101 can freely move in a certain range along the radial direction and the angular direction; through leaving the third floating gap 211 between the outer peripheral surface of the socket body 201 and the hole wall of the socket mounting hole, and the socket body 201 is connected with the socket fixing seat 200 through the second positioning snap spring 213, the socket body 201 can freely move in a certain range along the radial direction and the angular direction, so as to adjust the butt joint center of the plug and the socket, and thus the convenience of connection between the plug and the socket is improved. A second floating gap 114 is reserved between a second step surface 113 of the plug body 101 and a first step surface 112 of the plug fixing seat 100, and a first floating disc spring 115 is connected between the second step surface 113 and the first step surface 112; a fourth floating gap is reserved between the fourth step surface of the socket body 201 and the third step surface of the socket fixing seat 200, and a second floating disc 115 spring is connected between the fourth step surface and the third step surface, so that the plug body 101 and the socket body 201 can freely move in a certain range along the axial direction of the respective fixing seats, and the plug body 101 and the socket body 201 are prevented from being damaged due to mechanical extrusion.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A floating blind-mate connector with a sealing ring protection function is characterized by comprising a plug and a socket;
the plug comprises a plug fixing seat, a plug body, a plug valve core, a plug valve sleeve and a plug sealing ring, a first annular groove is arranged on the outer peripheral surface of the plug fixing seat, a plug fixing seat sealing ring is arranged in the first annular groove, a plug mounting hole is arranged inside the plug fixing seat, the plug body is arranged in the plug mounting hole, the plug body is internally provided with a plug flow passage, the plug valve core and the plug valve sleeve are axially movably arranged in the plug flow passage, a second annular groove is arranged on the outer peripheral surface of the front end of the plug valve core, the plug sealing ring is arranged in the second annular groove, the plug valve sleeve is sleeved on the plug valve core, a plug valve sleeve return spring is connected between the plug valve sleeve and the inner wall of the plug flow channel, a plug valve core return spring is connected between the plug valve sleeve and the front end of the plug valve core, and the inner peripheral surface of the plug valve sleeve is provided with a first annular bulge matched with the front end of the plug valve core.
2. The floating blind mate connector with a seal ring protection function according to claim 1, wherein the socket comprises a socket fixing seat, a socket body, a socket valve core, a socket valve sleeve, a protection sleeve and a socket seal ring, the outer peripheral surface of the socket fixing seat is provided with a third annular groove, the third annular groove is provided with the socket fixing seat seal ring therein, the socket fixing seat is internally provided with a socket mounting hole, the socket body is arranged in the socket mounting hole, the socket body is internally provided with a socket flow passage, the socket valve core is fixedly arranged in the socket flow passage, the socket valve sleeve and the protection sleeve are axially movably arranged in the socket flow passage, the socket valve sleeve is sleeved on the socket valve core, a socket valve sleeve return spring is connected between the socket valve sleeve and the inner wall of the socket flow passage, and the inner peripheral surface of the socket valve sleeve is provided with a second annular protrusion, the inner peripheral surface of the second annular bulge is provided with a fourth annular groove, the socket sealing ring is arranged in the fourth annular groove, the socket valve core is sleeved with the protective sleeve, a protective sleeve reset spring is connected between the protective sleeve and the inner wall of the socket flow channel, and the outer peripheral surface of the protective sleeve is provided with a third annular bulge matched with the second annular bulge.
3. The floating blind-mate connector with the seal ring protection function according to claim 2, wherein a first floating gap is left between the outer peripheral surface of the plug body and the wall of the plug mounting hole, a first floating seal ring is arranged in the first floating gap, and the tail end of the plug body is connected with the plug fixing seat through a first positioning snap spring.
4. The floating blind mate with a seal ring protection function according to claim 3, wherein a first step surface is formed on the wall of the plug mounting hole, a second step surface corresponding to the first step surface is formed on the outer peripheral surface of the plug body, a second floating gap is left between the second step surface and the first step surface, and a first floating disc spring is connected between the second step surface and the first step surface.
5. The floating blind-mate connector with the seal ring protection function according to claim 4, wherein a third floating gap is left between the outer peripheral surface of the socket body and the wall of the socket mounting hole, a second floating seal ring is arranged in the third floating gap, and the tail end of the socket body is connected with the socket fixing seat through a second positioning snap spring.
6. The floating blind mate of claim 5 wherein a third step surface is formed on the wall of the receptacle mounting hole, a fourth step surface corresponding to the third step surface is formed on the outer circumferential surface of the receptacle body, a fourth floating gap is left between the fourth step surface and the third step surface, and a second floating disc spring is connected between the fourth step surface and the third step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132172.9A CN114508642A (en) | 2022-02-14 | 2022-02-14 | Floating blind-mate connector with sealing ring protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132172.9A CN114508642A (en) | 2022-02-14 | 2022-02-14 | Floating blind-mate connector with sealing ring protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114508642A true CN114508642A (en) | 2022-05-17 |
Family
ID=81551461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132172.9A Pending CN114508642A (en) | 2022-02-14 | 2022-02-14 | Floating blind-mate connector with sealing ring protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114508642A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351652A (en) * | 2015-12-04 | 2016-02-24 | 中国电子科技集团公司第四十研究所 | Fluid connector |
| CN206600551U (en) * | 2017-03-28 | 2017-10-31 | 蒋于良 | A kind of snap joint with pooling feature |
| CN110608332A (en) * | 2018-09-21 | 2019-12-24 | 中航光电科技股份有限公司 | Joint assembly and floating fluid joint |
| CN214274829U (en) * | 2020-12-31 | 2021-09-24 | 江苏益诚精密器件科技有限公司 | Fluid connector capable of preventing impurities |
| CN113898811A (en) * | 2021-10-18 | 2022-01-07 | 贵州航天电器股份有限公司 | Fluid connector |
-
2022
- 2022-02-14 CN CN202210132172.9A patent/CN114508642A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351652A (en) * | 2015-12-04 | 2016-02-24 | 中国电子科技集团公司第四十研究所 | Fluid connector |
| CN206600551U (en) * | 2017-03-28 | 2017-10-31 | 蒋于良 | A kind of snap joint with pooling feature |
| CN110608332A (en) * | 2018-09-21 | 2019-12-24 | 中航光电科技股份有限公司 | Joint assembly and floating fluid joint |
| CN214274829U (en) * | 2020-12-31 | 2021-09-24 | 江苏益诚精密器件科技有限公司 | Fluid connector capable of preventing impurities |
| CN113898811A (en) * | 2021-10-18 | 2022-01-07 | 贵州航天电器股份有限公司 | Fluid connector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220607 Address after: No. 722, Mingxing village, Jinhui Town, Fengxian District, Shanghai Applicant after: Gao Fahua Address before: 215000 building 3, No. 50, beiguandu Road, Yuexi street, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: Nuotong (Suzhou) fluid system technology Co.,Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231017 Address after: No. 50, beiguandu Road, Wuzhong District, Suzhou, Jiangsu 215000 Applicant after: Nuotong (Suzhou) fluid system technology Co.,Ltd. Address before: No. 722, Mingxing village, Jinhui Town, Fengxian District, Shanghai Applicant before: Gao Fahua |
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| TA01 | Transfer of patent application right |