CN207066628U - A kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature - Google Patents
A kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature Download PDFInfo
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- CN207066628U CN207066628U CN201721097612.2U CN201721097612U CN207066628U CN 207066628 U CN207066628 U CN 207066628U CN 201721097612 U CN201721097612 U CN 201721097612U CN 207066628 U CN207066628 U CN 207066628U
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Abstract
It the utility model is related to the technical field of the temperature measuring equipment of gas pipeline, more particularly to a kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature, temperature measuring equipment enters in natural gas line through through hole on natural gas line, temperature measuring equipment includes thermal resistance, thermal resistance sheath and the temperature-measuring casing being arranged, and one end of thermal resistance, which passes, is connected to external temp transmitter；Temperature-measuring casing is arranged in fixed plate by sealing structure, and sealing structure includes two groups of seal washers for being symmetrically arranged at temperature-measuring casing through hole both ends and sealing nut and the thermal insulating filling ring between temperature-measuring casing through hole and temperature-measuring casing.Design a kind of screw thread combination jacket type method temperature-measuring casing is fixed on process pipelines, keep apart contact of the natural gas line with temperature-measuring casing using thermal insulating filling ring or seal washer simultaneously, the separation of environment temperature and natural gas temperature is realized, so as to ensure that the security of the accuracy of temperature survey and technique.
Description
Technical field
It the utility model is related to the technical field of the temperature measuring equipment of gas pipeline, more particularly to a kind of isolating environment
Temperature influences the temperature measuring equipment of natural gas temperature.
Background technology
The temperature survey mode that the natural gas whole industry uses at present, it is the soldering sleeve on measurement pipeline mostly, temperature is surveyed
Measure instrument and load what measurement sleeve pipe was carried out, so separated the direct contact of natural gas and measuring instrumentss, caused additional ring
Border error, error are mainly manifested in：Sleeve pipe is directly welded on measurement pipeline, and pipeline and sleeve pipe are metal material mostly, heat conduction system
Number is very high, and normal conditions system steel, its thermal conductivity factor is 50w/m.k, causes environment temperature to pass to sleeve pipe, natural gas temperature
Sleeve pipe has been also passed to, the really equilibrium temperature of environment and natural gas temperature for causing temperature measuring instrument to measure, not
Real natural gas temperature, this point is even more serious in low discharge metering systematic influence, natural gas temperature-measuring casing and temperature survey
Instrument cubicle still has a certain distance, and this distance is although very little, or even some is only less than 1mm, but existing is therebetween
Heat resistant material, in spite of addition transformer oil and heat-conducting silicone grease etc. improve rate of heat transfer, but by taking transformer oil as an example, it is led
Hot coefficient is only 0.128w/m.k, and the speed that external environment passes to temperature-measuring casing by steel screw thread is propagated by shell clearance
390 times of speed.The influence of external environment is equally existed in the environment of no sleeve pipe, is mainly manifested in, temperature measuring set
Table often can equally be passed to temperature instrumentation faster, be caused with metal threaded connection, the temperature of external environment (pipeline)
Thermometric error.
Even integrated intelligent flowmeter, the problem of directly contact with flowmeter body there is also temperature instrumentation, no
It is evitable to cause ambient temperature to pass to temperature measuring instrument rapidly by flowmeter body, added so as to form temperature
Error.
The temperature for being a kind of external environment with natural gas balance so measured, is not the true temperature of natural gas, day
Right gas temperature survey misalignment, first, temperature survey misalignment, the natural gas temperature that is beyond expression out by environment temperature influence degree, two
It is that temperature directly participates in gas discharge computing in trade transaction, causes gas metering additive error, virtually form
The imbalance of trade transaction, therefore accurate measurement natural gas temperature is extremely important.
The utility model is that designing a kind of screw thread combination jacket type method is fixed on thermometer boss in process pipelines
On, it is achieved thereby that the separation of thermometer boss and process pipelines, while non-metallic material is used between process pipelines and sleeve pipe
Backing strap piece is sealed, so as to ensure that the security of the accuracy of temperature survey and technique.Separating natural temperature degree and measurement
Site environment temperature, the accuracy of natural gas temperature measurement is improved, natural gas temperature is as a live important monitoring parameter
With participate in flow computing compensation rate, to scene state modulator and trade transaction both sides economic interests have it is very important
Influence.
Utility model content
The utility model the defects of overcoming above-mentioned prior art to exist in order to provide with provision for thermal insulation, by external environment
Temperature and natural gas temperature are kept apart, and ensure measuring instrument measured value to greatest extent close to natural gas temperature, so that warm
More accurately a kind of isolating environment temperature influences the temperature survey dress of natural gas temperature for the monitoring of degree and natural gas flow measuring
Put.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of isolating environment temperature influences natural temperature
The temperature measuring equipment of degree, the through hole being provided through on natural gas line, one end of the temperature measuring equipment pass through institute
Through hole is stated to enter in the natural gas line, the through hole sealed set is corresponded to outside the natural gas line fixed plate,
The temperature measuring equipment through hole that the fixed plate is provided through, the temperature measuring equipment includes temperature-measuring casing, thermal resistance protects
Set and thermal resistance, one end of the thermal resistance are arranged in the thermal resistance sheath, and the thermal resistance sheath is arranged on the survey
In warm sleeve, one end of the temperature-measuring casing sequentially passes through the through hole and stretched into the natural gas line, the thermal resistance
The other end passes through hole and the temperature measuring equipment through hole and is connected to external temperature transmitter successively；The temperature-measuring casing
The other end is sealingly disposed in the fixed plate in through the temperature measuring equipment through hole and by sealing structure.Design is directly inserted
Enter the temperature measuring equipment in natural gas line, realize the separation of ambient temperature and natural gas temperature, so as to ensure that temperature
Spend the accuracy of measurement and the security of technique.Solve ambient temperature and pass through natural gas line body or flow instrument
Natural gas additive error problem caused by body passes to temperature measuring instrument, has isolated real natural gas to greatest extent
Temperature, the natural gas temperature measurement problem of current weather gas industry generally existing is can solve the problem that, changes natural gas temperature measurement
Mode, the natural gas temperature measured is more accurate, particularly in terms of natural gas Trade Measures, can more embody the justice of handing-over
Property.
Further：The heat shield for sealing the temperature measuring equipment, the thermoelectricity are externally provided with the fixed plate
The other end of resistance passes the heat shield and is connected to external temperature transmitter.The present apparatus passes the part in fixed plate, by
In exposure in atmosphere, install heat shield additional, completely cut off influence of the air themperature to natural gas measurement temperature.
Further：The material of the heat shield is carbon fiber or polytetrafluoroethylene (PTFE).Carbon fiber or polytetrafluoroethylene (PTFE)
With high temperature resistant and the characteristics of low pyroconductivity, therefore from the material as heat shield.
Further：The fixed plate is arranged on the natural gas line by welded seal.By welding fixed plate
It is sealingly disposed on natural gas line, has ensured preferable sealing installation effect.
Further：The sealing structure includes two sealing nuts and is embedded on the temperature-measuring casing through-hole wall
Thermal insulating filling ring；Screw thread is provided with the outer wall of the temperature-measuring casing, the temperature-measuring casing is through the thermal insulating filling ring and leads to
Cross two sealing nuts for being symmetricly set on the temperature-measuring casing through hole both ends and the temperature-measuring casing is fixed on the fixed plate
On, it is provided with seal washer between each sealing spiral shell and the fixed plate.Design a kind of screw thread combination jacket type method
Temperature-measuring casing is fixed on process pipelines, at the same using thermal insulating filling ring or seal washer keep apart natural gas line,
Contact of the meter body with temperature measuring instrument sleeve pipe or temperature measuring instrument in itself, pass through heat-insulated or heat-insulating material temperature
Low conductivity, ambient temperature is prevented to pass to natural gas temperature measuring instrumentss to greatest extent, so as to realize external environment
The separation of temperature and natural gas temperature, so as to ensure that the accuracy of temperature survey.
Further：The sealing nut, which is connected through a screw thread, to be set in outside the temperature-measuring casing.It is connected through a screw thread into one
Temperature-measuring casing is removably arranged in fixed plate by step.
Further：The sealing nut is also sealingly disposed in outside the temperature-measuring casing by welding sequence.Will by welding
Nut seal is arranged on outside temperature-measuring casing, has ensured preferable sealing installation effect.
Further：The material of seal washer and the thermal insulating filling ring is carbon fiber or polytetrafluoroethylene (PTFE).Seal washer
Chosen with the material of thermal insulating filling ring according to the difference of pipeline internal medium and the difference of pressure, in high pressure gas pipeline
Neutralize pad in the flow instrument for high pressure occasion and preferably choose pressure-resistant heat-barrier material, by taking polytetrafluoroethylmaterial material as an example, poly- four
PVF high temperature high voltage resistant, while the coefficient of heat conduction is only 0.256w/m.k, the transmission of ambient temperature is substantially reduced, equally can be with
Select other more high-quality materials, such as carbon fiber.
Based on above-mentioned technical proposal, the beneficial effects of the utility model are：It the utility model is related to the temperature of gas pipeline
The technical field of measurement apparatus is spent, more particularly to a kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature,
Natural gas line is provided with through hole, and temperature measuring equipment enters in natural gas line through through hole, in natural gas line external seal
Fixed plate is provided with, fixed plate is provided with temperature measuring equipment through hole, and temperature measuring equipment sequentially passes through temperature measuring equipment and led to
Hole and through hole are sealingly disposed in natural gas line；Temperature measuring equipment includes temperature-measuring casing, thermal resistance sheath and thermal resistance, heat
One end of resistance is arranged in thermal resistance sheath, and thermal resistance sheath is arranged in temperature-measuring casing, and the other end of thermal resistance passes heat
Resistance sheath and temperature-measuring casing are connected to external temperature transmitter；Temperature-measuring casing is sealingly disposed in fixed plate by sealing structure
On, sealing structure includes two groups of seal washers for being symmetrically arranged at temperature-measuring casing through hole both ends and sealing nut and is located at
Thermal insulating filling ring between temperature-measuring casing through hole and temperature-measuring casing.A kind of screw thread combination jacket type method is designed to consolidate temperature-measuring casing
It is scheduled on process pipelines, while keeps apart natural gas line, meter body and temperature using thermal insulating filling ring or seal washer
The contact in itself of measuring instrumentss sleeve pipe or temperature measuring instrument is spent, by heat-insulated or heat-insulating material temperature low conductivity, most
The prevention ambient temperature of limits passes to natural gas temperature measuring instrumentss, so as to realize ambient temperature and natural gas
The separation of temperature, so as to ensure that the security of the accuracy of temperature survey and technique.Solve ambient temperature and pass through day
Natural gas additive error problem caused by right feed channel body or flow instrument body pass to temperature measuring instrument, maximum limit
Degree has isolated real natural gas temperature, can solve the problem that the natural gas temperature measurement of current weather gas industry generally existing is asked
Topic, changes natural gas temperature metering system, the natural gas temperature measured is more accurate, particularly in natural gas Trade Measures side
Face, it can more embody the fairness of handing-over.
Brief description of the drawings
Fig. 1 is the structural representation for the temperature measuring equipment that a kind of isolating environment temperature of the utility model influences natural gas temperature
Figure；
In accompanying drawing, the list of parts representated by each label is as follows：
1st, natural gas line, 11, through hole, 2, temperature measuring equipment, 21, temperature-measuring casing, 22, thermal resistance sheath, 23, thermoelectricity
Resistance, 3, fixed plate, 31, temperature measuring equipment through hole, 4, sealing structure, 41, seal washer, 42, sealing nut, 43, heat-insulated fill out
Expect ring, 5, heat shield.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in figure 1, a kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature, in natural gas line 1
On the through hole 11 that is provided through, one end of the temperature measuring equipment 2 enters the natural gas line 1 through the through hole 11
Interior, sealed set at the through hole 11 is corresponded to outside the natural gas line 1 fixed plate 3, and the fixed plate 3 is provided through
Temperature measuring equipment through hole 31；
The temperature measuring equipment 2 includes temperature-measuring casing 21, thermal resistance sheath 22 and thermal resistance 23, the thermal resistance 23
One end is arranged in the thermal resistance sheath 22, and the thermal resistance sheath 22 is arranged in the temperature-measuring casing 21, the thermometric
One end of sleeve pipe 21 sequentially passes through the through hole 11 and stretched into the natural gas line 1, and the other end of the thermal resistance 23 is successively
Pass the through hole 11 and temperature measuring equipment through hole 31 and be connected to external temperature transmitter；
The other end of the temperature-measuring casing 21 is set through the temperature measuring equipment through hole 31 and by the sealing of sealing structure 4
Put in the fixed plate 3.
Further：The heat shield 5 for sealing the temperature measuring equipment 2 is externally provided with outside the fixed plate 3, it is described
The other end of thermal resistance 23 passes the heat shield 5 and is connected to external temperature transmitter.
Further：The material of the heat shield is carbon fiber or polytetrafluoroethylene (PTFE).
Further：The fixed plate 3 is arranged on the natural gas line 1 by welded seal.The fixed plate 3 both may be used
It is welded on the natural gas line 1, directly can also be opened up on natural gas line 1 in a manner of being welded by mounted on top
Fixed plate 3, is then directly placed in parallel in through hole 11, directly by through hole 11, the fixed plate 3 for setting size to be matched with through hole 11
Parallel be welded and fixed between plate 3 and through hole 11 completes sealing fixed work order.
Further：The sealing structure 4 includes two sealing nuts 42 and is embedded in the temperature-measuring casing through hole 31
Thermal insulating filling ring 43 on wall；Be provided with screw thread on the outer wall of the temperature-measuring casing 21, the temperature-measuring casing 21 through it is described every
Hot packing ring 43 and by two sealing nuts 42 for being symmetricly set on the both ends of temperature-measuring casing through hole 31 by the thermometric cover
Pipe 21 is fixed in the fixed plate 3, is each provided with seal washer between the sealing nut 42 and the fixed plate 3
41。
Further：The sealing nut 42, which is connected through a screw thread, to be set in outside the temperature-measuring casing 21.
Further：The sealing nut 42 is also sealingly disposed in outside the temperature-measuring casing 21 by welding sequence.
Further：The material of the seal washer 41 and thermal insulating filling ring 43 is carbon fiber or polytetrafluoroethylene (PTFE).
The installation steps of the present apparatus:First according to installation specification, start through hole 11, through hole on natural gas line 1
11 size is more than the size of seal washer 41, chooses one piece of fixed plate 3, temperature-measuring casing through hole 31 is opened up in fixed plate 3, if
The size for the temperature-measuring casing through hole 31 put is equal to thickness of the outside dimension plus thermal insulating filling ring 43 of temperature-measuring casing through hole 31, first
Temperature measuring equipment 2 is first assembled, one end of thermal resistance 23 is embedded in thermal resistance sheath 22 and passes thermal resistance sheath 22, will
Thermal resistance sheath 22 is embedded in temperature-measuring casing 21, and one end of the thermal resistance 23 passed outside thermal resistance sheath 22 is continued to pass
Outside temperature-measuring casing 21；Then after thermal insulating filling ring 43 being arranged outside temperature-measuring casing through hole 31, after thermal insulating filling ring 43 will be arranged
Temperature-measuring casing 21 insert fixed plate 3 on temperature-measuring casing through hole 31 in, make thermal insulating filling ring 43 just at temperature-measuring casing 21
Between temperature-measuring casing through hole 31, it is located in temperature-measuring casing 21 on the both ends of temperature-measuring casing through hole 31 and seal washer 41 is set respectively
Temperature-measuring casing 21 is sealedly connected in fixed plate 3 with sealing nut 42, is provided with fixed plate 3 outside the one end for passing thermal resistance 23
One heat shield 5 is set, temperature-measuring casing 21 is sealed in fixed plate 3, the other end of thermal resistance 23 passes heat shield 5 and connected
Then external temperature transmitter；It is external with respect to connecting outside thermal resistance 23 in the temperature measuring equipment 2 that will finally good seal be installed
In through hole 11 on one end insertion natural gas line 1 of temperature transmitter, natural gas line 1 is sealed with fixing by welding sequence
It plate 3, can start to measure after installation, be sent measurement signal conversion to thermometric instrument by temperature transmitter.
It the utility model is related to the technical field of the temperature measuring equipment of gas pipeline, more particularly to a kind of isolating environment
Temperature influences the temperature measuring equipment of natural gas temperature, through hole is provided with natural gas line, temperature measuring equipment passes through through hole
Into in natural gas line, natural gas line external seal is provided with fixed plate, fixed plate is provided with temperature measuring equipment through hole,
Temperature measuring equipment sequentially passes through temperature measuring equipment through hole and through hole is sealingly disposed in natural gas line；Temperature measuring equipment
Including temperature-measuring casing, thermal resistance sheath and thermal resistance, one end of thermal resistance is arranged in thermal resistance sheath, and thermal resistance sheath is set
In temperature-measuring casing, the other end of thermal resistance passes thermal resistance sheath and temperature-measuring casing is connected to external temperature transmitter；Survey
Warm sleeve is sealingly disposed in fixed plate by sealing structure, and sealing structure is symmetrically arranged at temperature-measuring casing including two groups and led to
The seal washer and sealing nut at hole both ends and the thermal insulating filling ring between temperature-measuring casing through hole and temperature-measuring casing.Design
Temperature-measuring casing is fixed on process pipelines by a kind of screw thread combination jacket type method, while utilizes thermal insulating filling ring or sealing
Washer spacer opens the contact of natural gas line, meter body with temperature measuring instrument sleeve pipe or temperature measuring instrument in itself, passes through
Heat-insulated or heat-insulating material temperature low conductivity, ambient temperature is prevented to pass to natural gas temperature measurement to greatest extent
Instrument, so as to realize the separation of ambient temperature and natural gas temperature, so as to ensure that the accuracy of temperature survey and technique
Security.Solve ambient temperature and temperature measuring set is passed to by natural gas line body or flow instrument body
Natural gas additive error problem caused by table, has isolated real natural gas temperature to greatest extent, can solve the problem that current day
The natural gas temperature measurement problem of gas gas industry generally existing, changes natural gas temperature metering system, the natural temperature measured
Degree is more accurate, particularly in terms of natural gas Trade Measures, can more embody the fairness of handing-over.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
1. a kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature, it is provided with and passes through on natural gas line (1)
The through hole (11) worn, one end of the temperature measuring equipment (2) enter the natural gas line (1) through the through hole (11)
It is interior, it is characterised in that：Corresponding to the through hole (11) place sealed set outside in the natural gas line (1) has fixed plate (3), described
The temperature measuring equipment through hole (31) that fixed plate (3) is provided through；
The temperature measuring equipment (2) includes temperature-measuring casing (21), thermal resistance sheath (22) and thermal resistance (23), the thermal resistance
(23) one end is arranged in the thermal resistance sheath (22), and the thermal resistance sheath (22) is arranged on the temperature-measuring casing (21)
Interior, one end of the temperature-measuring casing (21) sequentially passes through the through hole (11) and stretched into the natural gas line (1), the thermoelectricity
The other end of resistance (23) passes the through hole (11) successively and temperature measuring equipment through hole (31) is connected to external temperature pick-up
Device；
The other end of the temperature-measuring casing (21) seals through the temperature measuring equipment through hole (31) and by sealing structure (4)
It is arranged in the fixed plate (3).
2. a kind of isolating environment temperature according to claim 1 influences the temperature measuring equipment of natural gas temperature, its feature
It is：The heat shield (5) for sealing the temperature measuring equipment (2), the thermal resistance are externally provided with the fixed plate (3)
(23) the other end passes the heat shield (5) and is connected to external temperature transmitter.
3. a kind of isolating environment temperature according to claim 2 influences the temperature measuring equipment of natural gas temperature, its feature
It is：The material of the heat shield (5) is carbon fiber or polytetrafluoroethylene (PTFE).
4. a kind of isolating environment temperature according to claim 1 influences the temperature measuring equipment of natural gas temperature, its feature
It is：The fixed plate (3) is arranged on the natural gas line (1) by welded seal.
5. a kind of isolating environment temperature according to claim 1-4 any one influences the temperature survey dress of natural gas temperature
Put, it is characterised in that：The sealing structure (4) includes two sealing nuts (42) and is embedded in the temperature-measuring casing through hole
(31) the thermal insulating filling ring (43) on inwall；Screw thread, the temperature-measuring casing are provided with the outer wall of the temperature-measuring casing (21)
(21) pass through the thermal insulating filling ring (43) and pass through two sealings for being symmetricly set on temperature-measuring casing through hole (31) both ends
The temperature-measuring casing (21) is fixed in the fixed plate (3) by nut (42), each sealing nut (42) with it is described solid
Seal washer (41) is provided between fixed board (3).
6. a kind of isolating environment temperature according to claim 5 influences the temperature measuring equipment of natural gas temperature, its feature
It is：The sealing nut (42), which is connected through a screw thread, is set in the temperature-measuring casing (21) outside.
7. a kind of isolating environment temperature according to claim 6 influences the temperature measuring equipment of natural gas temperature, its feature
It is：The sealing nut (42) is also sealingly disposed in the temperature-measuring casing (21) outside by welding sequence.
8. a kind of isolating environment temperature according to claim 5 influences the temperature measuring equipment of natural gas temperature, its feature
It is：The material of the seal washer (41) and thermal insulating filling ring (43) is carbon fiber or polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097612.2U CN207066628U (en) | 2017-08-30 | 2017-08-30 | A kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097612.2U CN207066628U (en) | 2017-08-30 | 2017-08-30 | A kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature |
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| Publication Number | Publication Date |
|---|---|
| CN207066628U true CN207066628U (en) | 2018-03-02 |
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ID=61514427
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721097612.2U Active CN207066628U (en) | 2017-08-30 | 2017-08-30 | A kind of isolating environment temperature influences the temperature measuring equipment of natural gas temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060187A (en) * | 2018-08-03 | 2018-12-21 | 苏州振湖电炉有限公司 | A kind of temp measuring system of water jacketed copper crucible |
-
2017
- 2017-08-30 CN CN201721097612.2U patent/CN207066628U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060187A (en) * | 2018-08-03 | 2018-12-21 | 苏州振湖电炉有限公司 | A kind of temp measuring system of water jacketed copper crucible |
| CN109060187B (en) * | 2018-08-03 | 2023-11-14 | 苏州振湖电炉有限公司 | Temperature measurement system of water-cooled copper crucible |
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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: 20200914 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Patentee after: China Petroleum & Chemical Corp. Address before: 430223 Hubei Wuhan City, Wuhan City, East Lake New Technology Development Zone Optics Valley Avenue No. 126 Sichuan Gas East pipeline project, the 1-5 layer of the Wuhan control center Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211116 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Sichuan East Natural Gas Pipeline Co.,Ltd. |
|
| TR01 | Transfer of patent right |