CN219974879U - Elastic guide bearing sealing assembly capable of realizing water slag separation - Google Patents
Elastic guide bearing sealing assembly capable of realizing water slag separation Download PDFInfo
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- CN219974879U CN219974879U CN202321471045.8U CN202321471045U CN219974879U CN 219974879 U CN219974879 U CN 219974879U CN 202321471045 U CN202321471045 U CN 202321471045U CN 219974879 U CN219974879 U CN 219974879U
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- water
- guide bearing
- elastic
- slag separation
- sleeve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 238000000926 separation method Methods 0.000 title claims abstract description 69
- 239000002893 slag Substances 0.000 title claims abstract description 66
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 21
- 239000012535 impurity Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 230000005465 channeling Effects 0.000 description 5
- 239000013013 elastic material Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000035480 Ring chromosome 8 syndrome Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an elastic guide bearing seal assembly that can realize grain boundary separation, includes guide bearing assembly location axle sleeve, installs lower extreme grain boundary separation sealed lid, elastic bearing cover and upper end grain boundary separation sealed lid on guide bearing assembly location axle sleeve, lower extreme grain boundary separation sealed lid, upper end grain boundary separation sealed lid and pump shaft synchronous rotation, the elastic bearing cover is installed on the bearing frame, and upper end grain boundary separation sealed lid lower surface and lower end grain boundary separation sealed lid upper surface are equipped with the first water course that the horizontal direction link up respectively, and the hole of elastic bearing cover and the contact surface of guide bearing assembly location axle sleeve are equipped with the second water course that link up from top to bottom, form dynamic elastic contact between lower end grain boundary separation sealed lid and the elastic bearing cover. The sealing component can separate water from slag of turbid water entering the pump body and has a lubricating effect, a clean water supply system and a clean water supply system are not needed, an inner pipe is not needed to be installed in the pump body, and the pump body is simple in structure, low in cost, reliable in performance and safe in operation.
Description
Technical Field
The utility model relates to a sealing device for a guide bearing of a submerged sewage pump, in particular to an elastic guide bearing sealing assembly capable of realizing water and slag separation.
Background
The submerged sewage (long axis) pump is widely applied to various fields of national economy, such as a water feeding pump used by coal enterprises, a submerged long axis pump used by steel enterprises, a sewage pump used by municipal enterprises, and the like. And conservatively estimating, wherein the usage amount is not less than hundreds of thousands.
The water feeding pump, the long shaft pump and the sewage pump are respectively applied to different working condition environments, and the structural forms of the water feeding pump, the long shaft pump and the sewage pump are basically the same. It features that its impeller is under liquid, motor is above ground, and its pump body is very long, and its length may be several meters, tens of meters or even tens of meters. The pump shaft of the pump is formed by connecting a plurality of short shafts through connecting nuts, and the connected long shaft has a characteristic that: the water pump is operated to allow radial runout of the long shaft, but not exceed the allowable value. Therefore, each short shaft needs to be provided with a guide bearing (the guide bearing is fixed on a guide bearing bracket), and the material of the guide bearing has special requirements and needs to be wear-resistant and elastic. If the service life of the wear-resistant water pump is short, the product use requirement is not met; the pump shaft is not allowed to radially jump without elasticity, and the pump shaft is easy to break. A material that is both resilient and wear resistant may meet this need.
The guide bearings made of elastic materials are matched with the short shafts, and the function of the guide bearings is to support and fix the short shafts, so that the guide bearings made of elastic materials support and fix the short shafts, and the long shafts after the pump is connected are supported. The water pump is operated to allow radial runout of the long shaft, but not exceed the allowable value.
Because the pump shaft rotates and the elastic guide bearing does not rotate when the water pump operates, clean water is required to cool and lubricate the elastic guide bearing. There are two problems here, namely, the guide bearing and the pump shaft cannot be dry-ground, and clean water is required to be in the pump body when the water pump is started; secondly, when the water pump operates, clean water is needed to cool and lubricate the water pump, and the clean water can also wash out impurities in gaps between the guide bearings and the pump shafts, so that the guide bearings are prevented from being damaged.
The current practice is: firstly, an inner pipe is additionally arranged outside a pump shaft of the pump to separate turbid water from the pump shaft; secondly, this pump has the interface of external clean water, needs uninterrupted to the internal water injection of internal, prevents that the water pump from starting and damaging because of cutting off water when running. The elastic material guide bearing structure of the sewage pump (long shaft pump) has the advantages of severe use conditions, high failure rate, troublesome installation and incapability of using the pump on the spot without clean water.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an elastic guide bearing sealing assembly which is applied to a submerged sewage pump and can realize water and slag separation. The sealing assembly does not need clean water and a water supply system of the clean water, an inner pipe is not needed to be installed in the pump body, the turbid water can be separated, the clean water relatively clean after separation can be used for separating and utilizing water slag, the structure is simple, the cost is low, the installation is convenient, the performance is reliable, and the operation is safe.
The technical scheme of the utility model is as follows: the utility model provides a can realize water slag separation elasticity guide bearing seal assembly, includes the guide bearing assembly location axle sleeve with pump shaft fixed mounting, its special character lies in, install on guide bearing assembly location axle sleeve with guide bearing assembly location axle sleeve sliding fit's lower extreme water slag separation sealed lid, elastic bearing cover and upper end water slag separation sealed lid from bottom to top, lower extreme water slag separation sealed lid, upper end water slag separation sealed lid and pump shaft synchronous rotation, the elastic bearing cover is installed on the bearing frame, bearing frame fixed mounting is on the water pump outer tube, is equipped with the first water course that the horizontal direction link up respectively on upper end water slag separation sealed lid lower surface and lower extreme water slag separation sealed lid upper surface, and the hole of elastic bearing cover is equipped with the second water course that link up from top to bottom with guide bearing assembly location axle sleeve the contact surface forms dynamic elasticity contact between lower extreme water slag separation sealed lid and the guide bearing assembly.
Further, an annular step is arranged at the bottom of the guide bearing assembly positioning shaft sleeve, and a spring for realizing dynamic elastic contact between the lower water slag separation sealing cover and the elastic bearing sleeve is arranged between the annular step and the guide bearing assembly.
Further, a spiral groove is formed in the upper portion of the outer peripheral surface of the guide bearing assembly positioning shaft sleeve, and particle impurities in sewage entering the spiral groove are thrown out.
Further, the distance between the upper surface of the annular step and the lower surface of the lower water slag separating sealing cover is 5-8mm.
Further, the key cooperation between the upper water slag separation sealing cover and the guide bearing assembly positioning shaft sleeve and the key cooperation between the lower water slag separation sealing cover and the guide bearing assembly positioning shaft sleeve realize synchronous rotation on the basis of sliding cooperation.
Further, the radial clearance between the upper and lower ports of the elastic bearing sleeve and the positioning shaft sleeve of the guide bearing assembly is 0.4-1mm, so that the radial runout of the pump shaft is allowed, and the radial runout is limited in a certain range.
Further, a spring seat is arranged on the lower surface of the lower water slag separation sealing cover, and the upper end of the spring is positioned in the spring seat.
Further, the elastic bearing sleeve comprises an elastic inner sleeve, a metal fixing outer sleeve and an end ring, wherein the elastic inner sleeve is arranged in the metal fixing outer sleeve, the end ring is arranged in an upper port and a lower port of the metal fixing outer sleeve, an annular clamping edge is arranged on the peripheral wall of the metal fixing outer sleeve, and the metal fixing outer sleeve is arranged in a middle hole of a bearing frame in a seat through the annular clamping edge on the metal fixing outer sleeve and is in tight fit with the metal fixing outer sleeve.
Further, the first water channel is an axial water channel, and the second water channel is a radial water channel.
Further, a positioning screw hole is formed in the positioning shaft sleeve of the guide bearing assembly, a set screw is installed on the positioning shaft sleeve, and the positioning shaft sleeve of the guide bearing assembly is fixedly installed on the pump shaft through the set screw.
The beneficial effects of the utility model are as follows: the surface of the upper end water slag separation sealing cover and the surface of the lower end water slag separation sealing cover which are contacted with the elastic bearing sleeve are provided with first water channels, dynamic elastic contact is formed between the lower end water slag separation sealing cover and the guide bearing assembly, and the upper end water slag separation sealing cover contacts with the elastic bearing sleeve by means of self weight, so that impurities in liquid are blocked outside the elastic bearing sleeve to further realize water slag separation, relatively clean water enters a gap between the elastic bearing sleeve and the guide bearing assembly positioning shaft sleeve, and the second water channels of the inner holes of the elastic bearing sleeve are used for enabling liquid, namely lubricating water, to flow in the second water channels, and meanwhile impurities remained between the inner holes of the elastic bearing sleeve and the guide bearing assembly positioning shaft sleeve are taken away, so that water slag separation is further realized. The utility model does not need clean water and a water supply system of the clean water, does not need an inner pipe to be arranged in the pump body, has simple structure, low cost, convenient installation, reliable performance and safe operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the upper water-slag separation seal cap;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a schematic view of the structure of the lower water-slag separation seal cap;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a top view of the elastomeric inner sleeve of the elastomeric bearing sleeve;
fig. 7 is an enlarged view of a portion a in fig. 1.
In the figure: the hydraulic pump comprises a pump shaft-1, a guide bearing assembly positioning shaft sleeve-2, a spring-3, a lower water slag separation sealing cover-4, an elastic inner sleeve-5, a bearing frame-6, an upper water slag separation sealing cover-7, an end ring-8, a metal fixing outer sleeve-9, a set screw-10, a first water channel-11, a second water channel-12, a flange-13, a guide groove-14, a water delivery device-15, an annular step-201, a guide key-202, a spiral groove-203, a spring seat-401, an annular clamping edge-901, 1501-filter, an electromagnetic valve-1502 and a drainage pipeline-1503.
Detailed Description
As shown in the figure, an elastic guide bearing sealing assembly capable of realizing water and slag separation comprises a guide bearing assembly positioning shaft sleeve 2 fixedly mounted with a pump shaft 1, a positioning screw hole is formed in the guide bearing assembly positioning shaft sleeve 2, a set screw 10 is mounted on the guide bearing assembly positioning shaft sleeve, an annular step 201 is arranged at the bottom of the guide bearing assembly positioning shaft sleeve 2, a lower water and slag separation sealing cover 4, an elastic bearing sleeve and an upper water and slag separation sealing cover 7 are sequentially mounted on the guide bearing assembly positioning shaft sleeve 2 from bottom to top, a first water channel 11 penetrating in the horizontal direction is respectively formed in the lower surface of the upper water and slag separation sealing cover 7 and the upper surface of the lower water and slag separation sealing cover 4, so that massive impurities in liquid are blocked outside the elastic bearing sleeve, small impurities in the upper water and the lower water and slag separation sealing cover are thrown out under the action of centrifugal force, relatively clean water enters a gap between the elastic bearing sleeve and the guide bearing assembly positioning shaft sleeve, and water and slag separation is realized. The elastic bearing sleeve comprises a chloroprene rubber elastic inner sleeve 5, a metal fixing outer sleeve 9 and an end ring 8, wherein the elastic inner sleeve 5 is installed in an inner hole of the metal fixing outer sleeve 9, the end ring 8 is installed in an upper port and a lower port of the metal fixing outer sleeve 9 in a tight fit mode, an annular clamping edge 901 is arranged on the peripheral wall of the metal fixing outer sleeve 9, and the metal fixing outer sleeve 9 is placed in a middle hole of a bearing frame 6 in a seat mode through the annular clamping edge 901 on the metal fixing outer sleeve and is tightly matched with the metal fixing outer sleeve. The contact surface of the inner hole of the elastic bearing sleeve 5 and the guide bearing assembly positioning shaft sleeve 2 is provided with a semicircular second water channel 12 which is penetrated up and down, liquid, namely lubricating water, flows through the inside of the semicircular second water channel, impurities remained between the inner hole of the elastic bearing sleeve 5 and the guide bearing assembly positioning shaft sleeve 2 can be taken away, and a spring 3 for realizing dynamic elastic contact is arranged between the lower water slag separation sealing cover 4 and the annular step 201.
The elastic guide bearing seal assembly further comprises a water spray device 15, wherein the water spray device 15 comprises a water discharge pipeline 1503, a filter 1501 arranged on the water discharge pipeline 1503 and a solenoid valve 1502.
Further, a spiral groove 203 is provided on the upper portion of the outer peripheral surface of the guide bearing assembly positioning shaft sleeve 2, and particulate impurities in the sewage entering the spiral groove 203 are thrown out.
Further, the radial clearance between the inner hole of the end ring 8 and the guide bearing assembly positioning shaft sleeve 2 is between 0.4 and 1mm, so that the radial runout of the pump shaft is allowed and limited in a certain range.
Further, the distance between the annular step 201 and the lower surface of the lower water and slag separation sealing cover 4 is 5-8mm, so that the distance requirement of the submerged sewage pump for adjusting the amount of the string is met.
Further, the upper and lower water and slag separating seal covers 7 and 4 are respectively provided with a guide groove 14, and the guide bearing assembly positioning shaft sleeve 2 is respectively provided with a guide key 202 at the position corresponding to the upper guide groove 14 of the upper and lower water and slag separating seal covers, so that the upper and lower water and slag separating seal covers can slide and operate within an allowable range, and synchronous rotation with the pump shaft 1 is realized.
Further, a plurality of spring seats 401 are uniformly distributed on the lower surface of the lower water and slag separation sealing cover 4 along the circumferential direction, the number of the springs 3 is equal to that of the spring seats 401 and corresponds to that of the springs 401 one by one, and the upper ends of the springs 3 are positioned in the corresponding spring seats 401.
Further, the first water channel 11 is a radial water channel, and the second water channel 12 is an axial water channel.
During installation, the set screw 10 is tightly fixed on the pump shaft 1 of the submerged sewage pump, and the bearing frame 6 is fixed on the flange 13 of the outer tube of the submerged sewage pump; and the inlet of the drainage pipeline 1503 is connected with the front main pipeline of the MD pump, and the outlet (spray port) of the drainage pipeline 1503 is arranged on the submerged sewage pump body and above the elastic guide bearing assembly. After the assembly, the channeling amount of the submerged sewage pump (the channeling amount is about 5-8 mm) is firstly adjusted by lifting the pump shaft 1 along the axial direction. The upper water-slag separation sealing cover 7 floats and contacts with the elastic bearing sleeve 5 by means of self weight, so that the channeling adjustment of the submerged sewage pump is not influenced; the lower water and slag separation sealing cover 4 contacts with the elastic bearing sleeve 5 under the action of the spring 3, if the channeling amount of the submerged sewage pump to be regulated is large, the contact pressure of the lower water and slag separation sealing cover 4 and the elastic bearing sleeve 5 is large, otherwise, the contact pressure is small, and even if the lower water and slag separation sealing cover 4 rubs off a part, the operation of the water pump is not influenced.
And after the channeling amount is adjusted, starting to operate. Simultaneously, a motor button of the submerged sewage pump (water feeding pump) and an electromagnetic valve 1502 of the water spraying device are started, after a starting signal is sent, the electromagnetic valve is opened, liquid with larger pressure in a drainage pipeline 1503 is rapidly sprayed into the submerged sewage pump body, and all elastic guide bearing sealing assemblies are used for spraying water. The motor of the submerged sewage pump starts to operate after being delayed for 5-10s (the specific delay time is determined by the site).
When the submerged sewage pump operates, due to the protection of the elastic guide bearing sealing assembly, impurities in turbid water are thrown out, and relatively clean liquid lubricates gaps between the elastic bearing sleeve and the elastic guide bearing positioning shaft sleeve, so that safe and stable operation of the submerged sewage pump is ensured.
The above is only a specific embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a can realize sealed subassembly of water and slag separation's elasticity guide bearing, includes the guide bearing subassembly location axle sleeve with pump shaft fixed mounting, its characterized in that, from bottom to top installation and guide bearing subassembly location axle sleeve sliding fit's lower extreme water and slag separation sealed lid, elastic bearing cover and upper end water and slag separation sealed lid on the guide bearing subassembly location axle sleeve, lower extreme water and slag separation sealed lid, upper end water and slag separation sealed lid and pump shaft synchronous rotation, the elastic bearing cover is installed on the bearing bracket, bearing bracket fixed mounting is on the outer tube of water pump, is equipped with the first water course that the horizontal direction link up respectively at upper surface and lower end water and slag separation sealed lid upper surface of upper end water and slag separation sealed lid, and the hole of elastic bearing cover is equipped with the second water course that link up from top to bottom with guide bearing subassembly location axle sleeve's contact surface, form dynamic elastic contact between lower end water and slag separation sealed lid and the elastic bearing cover.
2. The elastic guide bearing sealing assembly capable of realizing water and slag separation according to claim 1, wherein an annular step is arranged at the bottom of the guide bearing assembly positioning shaft sleeve, and a spring for realizing dynamic elastic contact between the lower water and slag separation sealing cover and the elastic bearing sleeve is arranged between the annular step and the elastic bearing sleeve.
3. The elastic guide bearing seal assembly capable of realizing water and slag separation according to claim 1, wherein a spiral groove is formed in the upper portion of the outer peripheral surface of the guide bearing assembly positioning shaft sleeve.
4. The seal assembly of an elastic guide bearing for water and slag separation according to claim 2, wherein the distance between the upper surface of the annular step and the lower surface of the lower water and slag separation seal cover is 5-8mm.
5. The flexible guide bearing seal assembly for achieving water and slag separation according to claim 1, wherein the upper water and slag separation seal cover is in keyed engagement with the guide bearing assembly locating boss and the lower water and slag separation seal cover is in keyed engagement with the guide bearing assembly locating boss.
6. The elastomeric guide bearing seal assembly of claim 1 wherein the radial clearance between the upper and lower ports of the elastomeric bearing housing and the guide bearing assembly locating sleeve is between 0.4 mm and 1 mm.
7. The seal assembly of an elastic guide bearing capable of realizing water and slag separation according to claim 2, wherein a spring seat is arranged on the lower surface of the lower water and slag separation seal cover, and the upper end of the spring is positioned in the spring seat.
8. The elastic guide bearing seal assembly capable of realizing water and slag separation according to claim 1, wherein the elastic bearing sleeve comprises an elastic inner sleeve, a metal fixing outer sleeve and an end ring, the elastic inner sleeve is installed in the metal fixing outer sleeve, the end ring is installed in an upper port and a lower port of the metal fixing outer sleeve, annular clamping edges are arranged on the peripheral wall of the metal fixing outer sleeve, and the metal fixing outer sleeve is placed in a middle hole of a bearing frame through the annular clamping edges on the metal fixing outer sleeve and is tightly matched with the annular clamping edges.
9. The flexible guide bearing seal assembly of claim 1 wherein the first waterway is an axial waterway and the second waterway is a radial waterway.
10. The elastic guide bearing sealing assembly capable of realizing water and slag separation according to claim 1, wherein a positioning screw hole is formed in the guide bearing assembly positioning shaft sleeve, and a set screw is installed on the guide bearing assembly positioning shaft sleeve, and the guide bearing assembly positioning shaft sleeve is fixedly installed on the pump shaft through the set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321471045.8U CN219974879U (en) | 2023-06-10 | 2023-06-10 | Elastic guide bearing sealing assembly capable of realizing water slag separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321471045.8U CN219974879U (en) | 2023-06-10 | 2023-06-10 | Elastic guide bearing sealing assembly capable of realizing water slag separation |
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| Publication Number | Publication Date |
|---|---|
| CN219974879U true CN219974879U (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321471045.8U Active CN219974879U (en) | 2023-06-10 | 2023-06-10 | Elastic guide bearing sealing assembly capable of realizing water slag separation |
Country Status (1)
| Country | Link |
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| CN (1) | CN219974879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538129A (en) * | 2023-06-10 | 2023-08-04 | 锦州重型水泵有限公司 | Elastic guide bearing sealing assembly and operation method of water pump adopting same |
-
2023
- 2023-06-10 CN CN202321471045.8U patent/CN219974879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538129A (en) * | 2023-06-10 | 2023-08-04 | 锦州重型水泵有限公司 | Elastic guide bearing sealing assembly and operation method of water pump adopting same |
| CN116538129B (en) * | 2023-06-10 | 2024-04-26 | 锦州重型水泵有限公司 | Elastic guide bearing sealing assembly and operation method of water pump adopting same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240204 Address after: 121000 Qilihe Industrial Park, Jinzhou City, Liaoning Province Patentee after: Jinzhou Wantai Intelligent Energy-saving Equipment Manufacturing Co.,Ltd. Country or region after: China Address before: 121116 No. 5, Qilihe Industrial Park, Yi County, Jinzhou City, Liaoning Province Patentee before: JINZHOU HEAVY WATER PUMP Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |