CN210400478U - Multi-point measurement Pitotbar flow sensor - Google Patents
Multi-point measurement Pitotbar flow sensor Download PDFInfo
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- CN210400478U CN210400478U CN201921960631.2U CN201921960631U CN210400478U CN 210400478 U CN210400478 U CN 210400478U CN 201921960631 U CN201921960631 U CN 201921960631U CN 210400478 U CN210400478 U CN 210400478U
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- 238000005259 measurement Methods 0.000 title claims abstract description 34
- 230000003068 static effect Effects 0.000 claims abstract description 98
- 239000012530 fluid Substances 0.000 abstract description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 238000010079 rubber tapping Methods 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a multipoint measurement Pitotbar flow sensor, which comprises an upper connecting block, a middle connecting cylinder and a lower pressure taking head; the top of connecting block has a plurality of total pressure interfaces and a static pressure interface, be equipped with many total pressure connecting channel and a static pressure connecting channel in the connecting block, have respectively in the intermediate junction section of thick bamboo with many total pressure connecting channel linked together many total pressure connecting tube, it has the cylindricality to connect and gets the pressure head body to get the pressure head, it has many total pressure passageways to get to open in the pressure head, every total pressure passageway has and lies in getting the pressure head body with the total pressure hole of one side, and be linked together with corresponding total pressure connecting tube through the total pressure access mouth that lies in the cylindricality and connect the top, be close to and seted up first static pressure hole on the section of thick bamboo wall of the intermediate junction section of thick bamboo of getting the pressure head, first static pressure hole with a plurality of total pressure holes divide and arrange the relative both sides of. The utility model discloses a sensor can export multiunit pressure signal simultaneously, can obtain relatively accurate measuring result when measuring the fluid flow in the pipeline.
Description
Technical Field
The utility model relates to a Pitot ba flow sensor, specifically speaking relate to a multipoint measurement Pitot ba flow sensor.
Background
At present, the flow measuring devices for measuring the flow of fluid in a pipeline have more types, and the Pitotbar flowmeter has simple structure, convenient installation and relatively high measurement precision and is widely applied to measuring the flow of fluid in the pipeline. When the Pitot-bar flowmeter is used, the Pitot-bar flow sensor is vertically inserted into a pipeline from the side wall of the pipeline, a full pressure hole of a pressure taking head of the Pitot-bar flow sensor faces the incoming flow direction of fluid, a static pressure hole faces the outgoing flow direction of the fluid, when the fluid flows in the pipeline, a full pressure interface and a static pressure interface at the upper end of a pressure guide pipe of the Pitot-bar flow sensor respectively output full pressure and static pressure signals of the fluid flowing in the pipeline, the full pressure and static pressure signals of the fluid in the pipeline transmitted by the Pitot-bar flow sensor are converted into standard current signals of 4-20 mA by the differential pressure transmitter and then transmitted to the flow integrating instrument, and the flow of the fluid in the pipeline can be finally calculated in the flow integrating instrument according to the fluid mechanics principle according to the full pressure and the static pressure of the fluid flowing in the pipeline.
When the pitot flowmeter in the prior art measures the fluid flow in a pipeline, a static pressure signal derived from a static pressure pipe in the pitot flow sensor is usually relatively stable, and the measurement precision is mainly determined by whether a full pressure signal derived from the full pressure pipe is accurate or not. The full-pressure signal is inaccurate due to a plurality of reasons, for example, when the inner wall of the hole is scaled, the dust is accumulated too much and the hole is crystallized, the output full-pressure signal changes greatly, and the measurement precision error is large.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a pressure signal that can export the multiunit measured pipeline internal fluid medium to fluid flow can obtain the multiple spot measurement Pitot ba flow sensor of relatively accurate measuring result in the pipeline.
In order to solve the technical problem, the utility model relates to a multipoint measurement Pitotbar flow sensor, which comprises an upper connecting block, an intermediate connecting cylinder and a lower pressure taking head; the top end of the connecting block is provided with a plurality of full-pressure interfaces and a static pressure interface, a plurality of full-pressure connecting channels which are respectively communicated with the plurality of full-pressure interfaces are arranged in the connecting block, the static pressure connecting channel communicated with the static pressure interface is also arranged in the connecting block, an intermediate connecting cylinder is fixedly arranged at the bottom of the connecting block by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide pipes which are respectively communicated with the plurality of full-pressure connecting channels are arranged in the intermediate connecting cylinder, the pressure taking head is provided with a cylindrical joint at the upper part and a pressure taking head body at the lower part, the pressure taking head is fixedly arranged in the cylinder opening at the bottom of the intermediate connecting cylinder by matching of the cylindrical joint and the cylinder opening at the bottom of the intermediate connecting cylinder, a plurality of full-pressure channels are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening at the top end of the cylindrical joint and a full-, the wall of the intermediate connecting cylinder close to the pressure taking head is provided with a first static pressure hole, and the first static pressure hole and the plurality of full pressure holes are respectively arranged on two opposite sides of the axis of the intermediate connecting cylinder.
As the utility model discloses an improvement, get the pressure head body and be axis and the drum-shaped post of cylindricality on same straight line that the axis connects, the side of drum-shaped post has two planes and two relative left and right arcwall faces before the parallel is relative, back, every total head passageway lies in and gets the pressure head body and all lie in the same cambered surface of drum-shaped post with the total pressure hole of one side.
Adopt the multi-point measurement Pitot flow sensor of above-mentioned structure, will during the use the utility model discloses a Pitot flow sensor inserts in the pipeline perpendicularly on the lateral wall of measurand pipeline, Pitot flow sensor gets a plurality of full pressure holes on the pressure head and is facing to the incoming flow direction of fluid, the first static pressure hole that sets up on the intermediate connector section of thick bamboo wall that is close to the pressure head is facing to the outgoing flow direction of fluid, fluid in the pipeline can derive the hydrostatic pressure signal of fluid through the hydrostatic pressure interface on first static pressure hole, intermediate connector section of thick bamboo, static pressure connecting channel and connecting block top, by the utility model discloses a Pitot flow sensor assembles into Pitot flow timing with corresponding a plurality of differential pressure transmitters and flow totalizer, and the hydrostatic pressure interface links to each other with a plurality of differential pressure transmitter's negative pressure end respectively, and every full pressure interface links to each other with corresponding differential pressure transmitter's malleation end, can export the fluidic full pressure in the multiunit pipeline, Static pressure signal, this is equivalent to adopting the pressure signal of the fluid in the pipeline of a plurality of sensor measurement, the utility model discloses constitute the Pitot bar flow meter with a plurality of differential pressure transmitters and flow totalizer, just so be equivalent to using the fluid flow in the same pipeline of a plurality of different Pitot bar flowmeters, the average value of whole measuring results is got to the measuring result, and the measuring result is relatively accurate, and measurement accuracy is higher; when a group of differential pressure signals output by a certain full-pressure interface and the static pressure interface are transmitted to the flow integrating instrument through the corresponding differential pressure transmitter, and the difference value between the integrated flow value of the flow integrating instrument and the average value of all measurement results exceeds a certain range, the integrating instrument can output the average value of other measurement results, and still obtain relatively accurate measurement results. The utility model discloses after taking pressure head body to adopt the cydariform post structure, less to the fluid resistance in the pipeline, it is better to take the pressure effect, and the degree of accuracy and accuracy are higher.
In order to solve the technical problem, the utility model discloses another kind of multipoint measurement Pitotbar flow sensor, including upper connecting block, middle connecting cylinder and lower pressure taking head; the top end of the connecting block is provided with a plurality of full-pressure interfaces and a static pressure interface, a plurality of full-pressure connecting channels which are respectively communicated with the plurality of full-pressure interfaces are arranged in the connecting block, the static pressure connecting channel communicated with the static pressure interface is also arranged in the connecting block, an intermediate connecting cylinder is fixedly arranged at the bottom of the connecting block by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide pipes which are respectively communicated with the plurality of full-pressure connecting channels are arranged in the intermediate connecting cylinder, the pressure taking head is provided with a cylindrical joint at the upper part and a pressure taking head body at the lower part, the pressure taking head is fixedly arranged in the cylinder opening at the bottom of the intermediate connecting cylinder by matching of the cylindrical joint and the cylinder opening at the bottom of the intermediate connecting cylinder, a plurality of full-pressure channels are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening at the top end of the cylindrical joint and a full-, the connecting block is characterized by further comprising a static pressure connecting pipe arranged on the side wall of the connecting block, the static pressure connecting pipe is communicated with the static pressure connecting channel, and a static pressure pipe orifice is formed in the bottom end of the static pressure connecting pipe.
As the utility model discloses an improvement, get the pressure head body and be axis and the drum-shaped post of cylindricality on same straight line that the axis connects, the side of drum-shaped post has two planes and two relative left and right arcwall faces before the parallel is relative, back, every total head passageway lies in and gets the pressure head body and all lie in the same cambered surface of drum-shaped post with the total pressure hole of one side.
The multipoint measurement Pitot flow sensor with the structure is adopted, when the multipoint measurement Pitot flow sensor is installed and used, the static pressure connecting pipe can be directly arranged on the pipe wall of a measured pipeline, the static pressure pipe orifice at the bottom end of the static pressure connecting pipe and the full pressure holes at one side of the pressure head body are respectively arranged at the two opposite sides of the axis of the middle connecting cylinder, the maintenance of the static pressure connecting pipe is very convenient, and the pressure signal of a fluid medium in the measured pipeline can be measured more accurately.
In order to solve the technical problem, the utility model discloses a further multipoint measurement Pitotbar flow sensor, including upper connecting block, middle connecting cylinder and lower pressure taking head; the top end of the connecting block is provided with a plurality of full-pressure interfaces and a static pressure interface, a plurality of full-pressure connecting channels which are respectively communicated with the plurality of full-pressure interfaces are arranged in the connecting block, the static pressure connecting channel communicated with the static pressure interface is also arranged in the connecting block, an intermediate connecting cylinder is fixedly arranged at the bottom of the connecting block by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide pipes which are respectively communicated with the plurality of full-pressure connecting channels are arranged in the intermediate connecting cylinder, the pressure taking head is provided with a cylindrical joint at the upper part and a pressure taking head body at the lower part, the pressure taking head is fixedly arranged in the cylinder opening at the bottom of the intermediate connecting cylinder by matching of the cylindrical joint and the cylinder opening at the bottom of the intermediate connecting cylinder, a plurality of full-pressure channels are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening at the top end of the cylindrical joint and a full-, the middle connecting cylinder is also internally provided with a static pressure guide pipe communicated with the static pressure connecting channel, the pressure taking head is internally and correspondingly provided with a static pressure channel, the static pressure channel is provided with a static pressure channel port positioned at the top end of the cylindrical joint and a second static pressure hole positioned at the other side of the pressure taking head body, the static pressure channel is communicated with the static pressure guide pipe through the static pressure channel port positioned at the top end of the cylindrical joint, and the second static pressure hole and the full pressure holes are respectively arranged at two opposite sides of the axis of the cylindrical joint.
As the utility model discloses an improvement, get the pressure head body and be axis and the drum-shaped post of cylindricality on same straight line that the axis connects, the side of drum-shaped post has two planes and two relative left and right arcwall faces before the parallel is relative, back, every total head passageway lies in and gets the pressure head body and all lie in the same cambered surface of drum-shaped post with the total pressure hole of one side.
Adopt the multi-point measurement Pitot bar flow sensor of above-mentioned structure, with the utility model discloses the sensor of a first kind of embodiment compares, is that the static pressure hole also sets up on getting the pressure head body, adopts solitary static pressure connecting pipe to derive fluidic static pressure signal, and the static pressure is got and is pressed the effect better.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic main sectional structure diagram of a multi-point measurement pitot flow sensor according to a first embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the indenter of fig. 1.
Fig. 3 is a schematic left side view of fig. 1.
Fig. 4 is a schematic right view of fig. 1.
Fig. 5 is a schematic bottom view of fig. 1.
Fig. 6 is a schematic view of a sectional structure of a main view of a multipoint measurement pitot flow sensor according to a second embodiment of the present invention.
Fig. 7 is a schematic left side view of fig. 6.
Fig. 8 is a schematic view of a sectional structure of a multipoint measurement pitot flow sensor according to a third embodiment of the present invention.
Fig. 9 is a schematic right view of fig. 8.
Fig. 10 is an enlarged schematic view of the indenter of fig. 8.
Detailed Description
Referring first to fig. 1 to 5, fig. 1 to 5 show a multi-point measurement pitot flow sensor according to a first embodiment of the present invention, which includes an upper connecting block 10, an intermediate connecting cylinder 20, and a lower tapping head 30; the top end of the connecting block is provided with a plurality of full-pressure interfaces 11 and a static pressure interface 12, a plurality of full-pressure connecting channels 13 respectively communicated with the plurality of full-pressure interfaces 11 are arranged in the connecting block, a static pressure connecting channel 14 communicated with the static pressure interface 12 is also arranged in the connecting block, an intermediate connecting cylinder 20 is fixedly arranged at the bottom of the connecting block 10 by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide tubes 21 respectively communicated with the plurality of full-pressure connecting channels 13 are arranged in the intermediate connecting cylinder, the pressure taking head 30 is provided with an upper cylindrical joint 31 and a lower pressure taking head body 32, the pressure taking head is fixedly arranged in a bottom cylinder opening of the intermediate connecting cylinder by matching the cylindrical joint with the bottom cylinder opening of the intermediate connecting cylinder 20, a plurality of full-pressure channels 33 are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening 34 positioned at the top end, each full-pressure channel 33 is communicated with the corresponding full-pressure guide pipe 21 through a full-pressure channel opening 34 positioned at the top end of the cylindrical joint 31, a first static pressure hole 22 is formed in the wall of the intermediate connecting cylinder 20 close to the pressure taking head 30, and the first static pressure hole and the full-pressure holes 35 are respectively arranged on two opposite sides of the axis 23 of the intermediate connecting cylinder 20. The axis of the cylindrical joint 31 of the tapping head is in line with the axis 23 of the intermediate connector. The pressure head body 32 is a drum-shaped column with the axis in the same straight line with the axis of the cylindrical joint 31, the side surface of the drum-shaped column is provided with a front plane 36 and a rear plane 37 which are opposite in parallel and a left arc-shaped surface 38 and a right arc-shaped surface 39 which are opposite in parallel, and the full-pressure holes 35 of each full-pressure channel, which are positioned on the same side of the pressure head body 32, are all positioned on the same arc surface 38 of the drum-shaped column.
Referring to fig. 6 and 7 again, fig. 6 and 7 show that the multi-point measurement pitot-bar flow sensor of the second embodiment of the present invention is compared with the multi-point measurement pitot-bar flow sensor of the first embodiment, only the static pressure connecting pipe 9 is installed on the side wall of the connecting block 10, the static pressure connecting pipe 9 is communicated with the static pressure connecting channel 14, the bottom end of the static pressure connecting pipe has the technical characteristic of the static pressure pipe orifice 8, and the technical measure of forming the first static pressure hole on the cylinder wall of the intermediate connecting cylinder is cancelled, and other technical schemes are all the same.
Finally, referring to fig. 8-10, fig. 8-10 show a multi-point measurement pitot flow sensor of a third embodiment of the present invention, which is compared with the multi-point measurement pitot flow sensor of the first embodiment, in which a static pressure pipe 7 communicated with the static pressure connecting passage 14 is additionally provided in the intermediate connecting cylinder, a static pressure passage 6 is correspondingly provided in the pressure tapping head, the static pressure passage has a static pressure passage port 5 located at the top end of the cylindrical joint 31 and a second static pressure hole 4 located at the other side of the pressure tapping head body 32, the static pressure passage 6 is communicated with the static pressure pipe 7 through the static pressure passage port 5 located at the top end of the cylindrical joint 31, and the second static pressure hole 4 and the full pressure holes 35 are respectively provided at opposite sides of the axis of the cylindrical joint 31; meanwhile, the technical measure that the first static pressure hole is formed in the wall of the intermediate connecting cylinder is eliminated, and other technical schemes are consistent.
Claims (6)
1. A kind of multipoint measurement Pitotbar flow sensor, characterized by: comprises an upper connecting block, a middle connecting cylinder and a lower pressure taking head; the top end of the connecting block is provided with a plurality of full-pressure interfaces and a static pressure interface, a plurality of full-pressure connecting channels which are respectively communicated with the plurality of full-pressure interfaces are arranged in the connecting block, the static pressure connecting channel communicated with the static pressure interface is also arranged in the connecting block, an intermediate connecting cylinder is fixedly arranged at the bottom of the connecting block by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide pipes which are respectively communicated with the plurality of full-pressure connecting channels are arranged in the intermediate connecting cylinder, the pressure taking head is provided with a cylindrical joint at the upper part and a pressure taking head body at the lower part, the pressure taking head is fixedly arranged in the cylinder opening at the bottom of the intermediate connecting cylinder by matching of the cylindrical joint and the cylinder opening at the bottom of the intermediate connecting cylinder, a plurality of full-pressure channels are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening at the top end of the cylindrical joint and a full-, the wall of the intermediate connecting cylinder close to the pressure taking head is provided with a first static pressure hole, and the first static pressure hole and the plurality of full pressure holes are respectively arranged on two opposite sides of the axis of the intermediate connecting cylinder.
2. The multi-point measurement Pitot flow sensor of claim 1, wherein: the pressure taking head body is a drum-shaped column with the axis and the axis of the cylindrical joint on the same straight line, the side surface of the drum-shaped column is provided with a front plane and a rear plane which are parallel and opposite, and a left arc surface and a right arc surface which are opposite, and the full pressure holes of each full pressure channel, which are positioned on the same side of the pressure taking head body, are positioned on the same arc surface of the drum-shaped column.
3. A kind of multipoint measurement Pitotbar flow sensor, characterized by: comprises an upper connecting block, a middle connecting cylinder and a lower pressure taking head; the top end of the connecting block is provided with a plurality of full-pressure interfaces and a static pressure interface, a plurality of full-pressure connecting channels which are respectively communicated with the plurality of full-pressure interfaces are arranged in the connecting block, the static pressure connecting channel communicated with the static pressure interface is also arranged in the connecting block, an intermediate connecting cylinder is fixedly arranged at the bottom of the connecting block by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide pipes which are respectively communicated with the plurality of full-pressure connecting channels are arranged in the intermediate connecting cylinder, the pressure taking head is provided with a cylindrical joint at the upper part and a pressure taking head body at the lower part, the pressure taking head is fixedly arranged in the cylinder opening at the bottom of the intermediate connecting cylinder by matching of the cylindrical joint and the cylinder opening at the bottom of the intermediate connecting cylinder, a plurality of full-pressure channels are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening at the top end of the cylindrical joint and a full-, the connecting block is characterized by further comprising a static pressure connecting pipe arranged on the side wall of the connecting block, the static pressure connecting pipe is communicated with the static pressure connecting channel, and a static pressure pipe orifice is formed in the bottom end of the static pressure connecting pipe.
4. The multi-point measurement Pitot flow sensor of claim 3, wherein: the pressure taking head body is a drum-shaped column with the axis and the axis of the cylindrical joint on the same straight line, the side surface of the drum-shaped column is provided with a front plane and a rear plane which are parallel and opposite, and a left arc surface and a right arc surface which are opposite, and the full pressure holes of each full pressure channel, which are positioned on the same side of the pressure taking head body, are positioned on the same arc surface of the drum-shaped column.
5. A kind of multipoint measurement Pitotbar flow sensor, characterized by: comprises an upper connecting block, a middle connecting cylinder and a lower pressure taking head; the top end of the connecting block is provided with a plurality of full-pressure interfaces and a static pressure interface, a plurality of full-pressure connecting channels which are respectively communicated with the plurality of full-pressure interfaces are arranged in the connecting block, the static pressure connecting channel communicated with the static pressure interface is also arranged in the connecting block, an intermediate connecting cylinder is fixedly arranged at the bottom of the connecting block by a cylinder opening at the top end of the intermediate connecting cylinder, a plurality of full-pressure guide pipes which are respectively communicated with the plurality of full-pressure connecting channels are arranged in the intermediate connecting cylinder, the pressure taking head is provided with a cylindrical joint at the upper part and a pressure taking head body at the lower part, the pressure taking head is fixedly arranged in the cylinder opening at the bottom of the intermediate connecting cylinder by matching of the cylindrical joint and the cylinder opening at the bottom of the intermediate connecting cylinder, a plurality of full-pressure channels are correspondingly arranged in the pressure taking head, each full-pressure channel is provided with a full-pressure channel opening at the top end of the cylindrical joint and a full-, the middle connecting cylinder is also internally provided with a static pressure guide pipe communicated with the static pressure connecting channel, the pressure taking head is internally and correspondingly provided with a static pressure channel, the static pressure channel is provided with a static pressure channel port positioned at the top end of the cylindrical joint and a second static pressure hole positioned at the other side of the pressure taking head body, the static pressure channel is communicated with the static pressure guide pipe through the static pressure channel port positioned at the top end of the cylindrical joint, and the second static pressure hole and the full pressure holes are respectively arranged at two opposite sides of the axis of the cylindrical joint.
6. The multi-point measurement Pitot flow sensor of claim 5, wherein: the pressure taking head body is a drum-shaped column with the axis and the axis of the cylindrical joint on the same straight line, the side surface of the drum-shaped column is provided with a front plane and a rear plane which are parallel and opposite, and a left arc surface and a right arc surface which are opposite, and the full pressure holes of each full pressure channel, which are positioned on the same side of the pressure taking head body, are positioned on the same arc surface of the drum-shaped column.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921960631.2U CN210400478U (en) | 2019-11-14 | 2019-11-14 | Multi-point measurement Pitotbar flow sensor |
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| CN201921960631.2U CN210400478U (en) | 2019-11-14 | 2019-11-14 | Multi-point measurement Pitotbar flow sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672165A (en) * | 2019-11-14 | 2020-01-10 | 上海权宥环保科技有限公司 | Multi-point measurement Pitotbar flow sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672165A (en) * | 2019-11-14 | 2020-01-10 | 上海权宥环保科技有限公司 | Multi-point measurement Pitotbar flow sensor |
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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: 20210113 Address after: 112600 No. 265, Ling Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Patentee after: Liaoning pitotbar Polytron Technologies Inc. Address before: 201600 building 24, 506 South Ring Road, Songjiang District, Shanghai Patentee before: SHANGHAI QUANYOU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 265 Lingdong Street, Tieling Economic Development Zone, Tieling City, Liaoning Province, 112366 Patentee after: Liaoning Bitobar Technology Co.,Ltd. Address before: 112600 No. 265, Ling Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Patentee before: Liaoning pitotbar Polytron Technologies Inc. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi-point measurement Bitoba flow sensor Effective date of registration: 20231228 Granted publication date: 20200424 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: Liaoning Bitobar Technology Co.,Ltd. Registration number: Y2023210000358 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |