CN114623301A - Pressure control device applied to pipeline system - Google Patents
Pressure control device applied to pipeline system Download PDFInfo
- Publication number
- CN114623301A CN114623301A CN202210277121.5A CN202210277121A CN114623301A CN 114623301 A CN114623301 A CN 114623301A CN 202210277121 A CN202210277121 A CN 202210277121A CN 114623301 A CN114623301 A CN 114623301A
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- Prior art keywords
- pipeline
- pressure control
- control device
- device applied
- power supply
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of pipeline systems, in particular to a pressure control device applied to a pipeline system, which comprises a first pipeline, a second pipeline and a pressure control structure, wherein the first pipeline is made of an elastic material, and the second pipeline is sleeved outside the first pipeline and forms an annular cavity with the first pipeline; the pressure control structure comprises an elastic support structure positioned in the annular cavity and a power supply structure positioned outside the annular cavity; the elastic supporting structure is made of piezoelectric materials, and two ends of the elastic supporting structure are respectively connected with the first pipeline and the second pipeline; the power supply structure is arranged on the second pipeline and is electrically connected with the elastic support structure. According to the pressure control device applied to the pipeline system, the elastic supporting structure can reduce the pressure pulsation of the first pipeline, prevent the structural resonance generated by the pressure pulsation from damaging the pipeline system, and reduce or eliminate the noise.
Description
Technical Field
The invention relates to the technical field of pipeline systems, in particular to a pressure control device applied to a pipeline system.
Background
Piping systems are commonly used to transport fluids such as liquids, gases, etc., and are used in many industries. Such as piping systems in the marine industry, including lube lines, steam lines, and cooling water lines, among others. When fluid is conveyed in a pipeline system, pressure pulsation is easy to occur, the pulsating pressure is usually harmful, and structural resonance can be generated to damage the pipeline system in serious cases, and meanwhile, strong noise can be radiated.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects in the prior art that the pulsating pressure may damage the pipeline system and also radiate strong noise, thereby providing a pressure control device applied to the pipeline system, which can reduce the pulsating pressure.
In order to solve the above problems, the present invention provides a pressure control device applied to a pipeline system, including a first pipeline, a second pipeline and a pressure control structure, wherein the first pipeline is made of an elastic material, the second pipeline is sleeved outside the first pipeline, and the second pipeline and the first pipeline enclose an annular cavity; the pressure control structure comprises an elastic support structure positioned in the annular cavity and a power supply structure positioned outside the annular cavity; the elastic supporting structure is made of piezoelectric materials, and two ends of the elastic supporting structure are respectively connected with the first pipeline and the second pipeline; the power supply structure is arranged on the second pipeline and is electrically connected with the elastic support structure.
The invention provides a pressure control device applied to a pipeline system, wherein the elastic support structure comprises a plurality of groups of piezoelectric plates, two ends of each piezoelectric plate are respectively connected with the first pipeline and the second pipeline, and the plurality of groups of piezoelectric plates are distributed along the circumferential direction of the annular cavity.
According to the pressure control device applied to the pipeline system, the groups of piezoelectric plates are uniformly distributed along the circumferential direction of the annular cavity.
According to the pressure control device applied to the pipeline system, the piezoelectric plate is an arc-shaped plate, and two ends of the arc-shaped plate are respectively connected with the first pipeline and the second pipeline.
The pressure control device applied to the pipeline system is provided with two piezoelectric plates in each group, two ends of the two piezoelectric plates in each group are respectively connected, and the two piezoelectric plates in each group are bent towards opposite directions.
According to the pressure control device applied to the pipeline system, the two ends of the second pipeline are respectively provided with the connecting flange, and the second pipeline is suitable for being detachably connected with the pipeline system through the connecting flanges.
The invention provides a pressure control device applied to a pipeline system, wherein the connecting flange comprises a supporting end extending towards the inner periphery of the second pipeline, and the second pipeline and the first pipeline enclose a ring cavity through the supporting end; the first pipeline comprises a pipeline body and two connecting parts, and the two connecting parts respectively extend out from two ends of the pipeline body to the periphery of the pipeline body; the two support ends are located between the two connecting parts and are respectively abutted against the two connecting parts.
According to the pressure control device applied to the pipeline system, the end face, back to the annular cavity, of the supporting end is provided with the limiting groove, the connecting portion is arranged in the limiting groove, and the thickness of the connecting portion is larger than or equal to the groove depth of the limiting groove in the axial direction of the second pipeline.
The connecting flange further comprises a connecting end extending towards the periphery of the second pipeline, a plurality of connecting holes are formed in the connecting end, and the connecting end is connected with the pipeline system through a fastener and the connecting holes.
The pressure control device applied to the pipeline system, provided by the invention, has the advantages that the power supply structure can output constant voltage, and is electrically connected with the elastic supporting structure through the connecting lead.
The invention has the following advantages:
1. the invention provides a pressure control device applied to a pipeline system, which comprises a first pipeline, a second pipeline and a pressure control structure, wherein the first pipeline is made of an elastic material, and the second pipeline is sleeved outside the first pipeline and forms an annular cavity with the first pipeline; the pressure control structure comprises an elastic support structure positioned in the annular cavity and a power supply structure positioned outside the annular cavity; the elastic supporting structure is made of piezoelectric materials, and two ends of the elastic supporting structure are respectively connected with the first pipeline and the second pipeline; the power supply structure is arranged on the second pipeline and is electrically connected with the elastic support structure.
According to the deviation between the actual pressure and the target pressure of the fluid in the first pipeline, the power supply structure inputs corresponding voltage for the elastic supporting structure, the supporting rigidity of the elastic supporting structure between the first pipeline and the second pipeline is adjusted, pressure pulsation is reduced, structural resonance generated by the pressure pulsation is prevented from damaging a pipeline system, and meanwhile noise is reduced or eliminated. The piezoelectric material can change the rigidity of the piezoelectric material along with the change of the input voltage, so the pressure control device applied to the pipeline system provided by the invention can be suitable for various fluids and working conditions with various fluid pressures, and has a wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a cross-sectional view of a pressure control device of the present invention applied to a piping system;
fig. 2 shows an axial view of the pressure control device of the invention applied to a pipe system.
Description of reference numerals:
1. a first pipeline; 11. a pipeline body; 12. a connecting portion; 2. a second pipeline; 3. an annular cavity; 4. a pressure control structure; 41. an elastic support structure; 42. a power supply structure; 5. a connecting flange; 51. a support end; 52. a connecting end; 53. and connecting the holes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and fig. 2, the present embodiment provides a pressure control device applied to a pipeline system, including a first pipeline 1, a second pipeline 2 and a pressure control structure 4, where the first pipeline 1 is made of an elastic material, and the second pipeline 2 is sleeved outside the first pipeline 1 and forms an annular cavity 3 with the first pipeline 1; the pressure control structure 4 comprises an elastic support structure 41 located inside the annular chamber 3 and a power supply structure 42 located outside the annular chamber 3; the elastic supporting structure 41 is made of a piezoelectric material, and two ends of the elastic supporting structure 41 are respectively connected with the first pipeline 1 and the second pipeline 2; the power supply structure 42 is disposed on the second pipeline 2 and electrically connected to the elastic support structure 41.
According to the deviation between the actual pressure of the fluid in the first pipeline 1 and the target pressure, the power supply structure 42 inputs corresponding voltage to the elastic support structure 41, adjusts the support rigidity of the elastic support structure 41 between the first pipeline 1 and the second pipeline 2, reduces pressure pulsation, prevents structural resonance generated by the pressure pulsation from damaging a pipeline system, and simultaneously reduces or eliminates noise. The piezoelectric material can change the rigidity of the piezoelectric material along with the change of the input voltage, so the pressure control structure 4 provided by the invention can be suitable for various fluids and working conditions with various fluid pressures, and has a wide application range. When the fluid pressure in the first pipeline 1 is larger, the power supply structure 42 inputs a corresponding voltage to the elastic support structure 41, the support rigidity of the elastic support structure 41 is reduced, and the diameter of the first pipeline 1 is increased to release the fluid pressure in the first pipeline 1. When the fluid pressure in the first pipeline 1 is smaller, the power supply structure 42 inputs a corresponding voltage to the elastic support structure 41, the support rigidity of the elastic support structure 41 is enhanced, and the diameter of the first pipeline 1 is reduced to increase the fluid pressure in the first pipeline 1.
In the pressure control device of the pipeline system, part of the prior art is applied, rubber is usually filled between the first pipeline 1 and the second pipeline 2, the pulsating pressure of fluid in the first pipeline 1 is attenuated by using the elastic deformation of the rubber, but the rigidity of the rubber is fixed, so that the attenuation effect of the rubber is limited, the rubber is only suitable for the pressure control device which has certain pressure pulsation and is applied to the pipeline system, the rubber is not actively increased to reduce the diameter of the first pipeline 1, and the application range is limited. In this embodiment, the elastic support structures 41 are arranged in the first pipeline 1 and the second pipeline 2, and the elastic support structures 41 have adjustable rigidity under the control of the power supply structure 42, so that the elastic support structures are applicable to pressure pulsation of different degrees, and have a wide application range; and may provide different degrees of support stiffness to increase or decrease the diameter of the first pipeline 1 depending on the pressure pulsations within the first pipeline 1.
In this embodiment, the elastic support structure 41 includes a plurality of groups of piezoelectric plates, two ends of the piezoelectric plates are respectively connected to the first pipeline 1 and the second pipeline 2, and the plurality of groups of piezoelectric plates are distributed along the circumferential direction of the annular cavity 3.
Every group's piezoelectric plate all is connected with power structure 42 electricity, and after the voltage that obtains power structure 42 input, the piezoelectric plate can take place elastic deformation to change the piezoelectric plate and to the support size of first pipeline 1, and then change the diameter size of first pipeline 1, with the decay pressure pulsation, reach the protection and be applied to the not impaired purpose of pipe-line system's pressure control device, and reduce or eliminate the noise. And multiunit piezoelectric plate distributes along the circumference of annular chamber 3, can support first pipeline 1 in a plurality of positions on the circumferencial direction of first pipeline 1, prevents that first pipeline 1 from taking place local deformation for a long time and leading to damaging, and dispersible multiple spot attenuates pressure pulsation, and the decay is effectual.
In a specific embodiment, the piezoelectric plate is a thin plate which is thin and easy to deform, and is simple in structure and convenient for batch production. And the length direction of the piezoelectric plate coincides with the axial direction of the annular chamber 3.
In an alternative embodiment, the elastic support structure 41 may comprise a plurality of groups of piezoelectric springs distributed along the circumference of the annular chamber 3. Each set of at least two piezoelectric springs is distributed along the axial direction of the annular chamber 3.
In this embodiment, the plurality of groups of piezoelectric plates are uniformly distributed along the circumferential direction of the annular cavity 3. The piezoelectric plate obtains the same voltage input through the power structure 42, and can uniformly provide a supporting effect along the circumferential direction of the first pipeline 1, so that damage to the first pipeline 1 caused by a large local supporting force is prevented. The groups of piezoelectric plates are uniformly distributed along the circumferential direction of the annular cavity 3, so that the diameter change of the first pipeline 1 is uniform, and the adjusting range of the branch rigidity between the second pipeline 2 and the first pipeline 1 can be increased.
In this embodiment, the piezoelectric plate is an arc-shaped plate, and two ends of the arc-shaped plate are respectively connected to the first pipeline 1 and the second pipeline 2. The arc-shaped plate can be stretched according to the voltage input by the power supply structure 42 to reduce the diameter of the first pipeline 1, and can also be bent according to the voltage input by the power supply structure 42 to increase the diameter of the first pipeline 1.
In this embodiment, each group of the two piezoelectric plates has two, two ends of each group of the two piezoelectric plates are respectively connected, and the two groups of the two piezoelectric plates are bent toward opposite directions.
Because the piezoelectric plate is an arc-shaped plate, the joints of the arc-shaped plate and the first pipeline 1 and the second pipeline 2 are provided with included angles, and the force applied to the first pipeline 1 by one end of the arc-shaped plate can be decomposed into a radial force along the radial direction of the first pipeline 1 and a circumferential force along the circumferential direction of the first pipeline 1; the force applied by the other end of the arc-shaped plate to the second pipeline 2 can be decomposed into a radial force along the radial direction of the second pipeline 2 and a circumferential force along the circumferential direction of the second pipeline 2; what has a beneficial effect on the change of diameter of the first pipeline 1 is a circumferential force, what has a detrimental effect is a radial force, which may cause damage to the first pipeline 1 and the second pipeline 2. In this embodiment, two ends of each group of two piezoelectric plates are respectively connected, and the two piezoelectric plates in each group are bent toward opposite directions, and the radial forces applied to the first pipeline 1 and the second pipeline 2 by the two piezoelectric plates in each group are mutually offset, so that the first pipeline 1 and the second pipeline 2 are not damaged.
In a preferred embodiment, the elastic support structure 41 comprises eight groups of two piezoelectric plates, each group of two piezoelectric plates is an arc-shaped plate, and the bending directions of the two piezoelectric plates of each group are opposite.
In this embodiment, the two ends of the second pipeline 2 are both provided with a connecting flange 5, and the second pipeline 2 is suitable for being detachably connected with a pipeline system through the connecting flange 5. The pressure control device applied to the pipe system is detachably connected via a connecting flange 5 to a plurality of applications where it is necessary to transport a fluid with the pressure control device applied to the pipe system, for example in the marine industry, to a lubricating oil pipe, to a steam pipe or to a cooling water pipe, etc. The pressure control device applied to the pipeline system is convenient to disassemble and install due to the arrangement of the connecting flange 5, and the voltage output by the power supply structure 42 can be adjusted according to the pressure pulsation in the corresponding pipeline, so that the elastic support structure 41 has different support rigidity. In particular, the pipe system may be a lube pipe, a lube device, a steam pipe, a steam device, a cooling water pipe or a cooling device, etc. having a fluid input and a fluid output. The pressure control device applied to the pipe system is connected with the flange of the pipe system by a connecting flange 5.
In this embodiment, the connecting flange 5 includes a support end 51 extending toward the inner periphery of the second pipeline 2, and the second pipeline 2 and the first pipeline 1 enclose the annular cavity 3 through the support end 51; the first pipeline 1 comprises a pipeline body 11 and two connecting parts 12, wherein the two connecting parts 12 respectively extend from two ends of the pipeline body 11 to the periphery of the pipeline body 11; the two support ends 51 are located between the two connecting portions 12 and are respectively abutted against the two connecting portions 12. The supporting end 51 of the second pipe 2 has a certain rigidity and supports the annular chamber 3 between the first pipe 1 and the second pipe 2. The first pipeline 1 has elasticity, and the two connecting parts 12 and the two supporting ends 51 can be in interference fit, so that the connecting effect between the first pipeline 1 and the second pipeline 2 is ensured. And, the first pipeline 1 has two connecting portions 12, two connecting portions 12 and two support ends 51 are overlapped in the radial direction, and are mutually abutted in the axial direction, so that the annular cavity 3 formed between the first pipeline 1 and the second pipeline 2 is a sealed cavity, and liquid or gas is prevented from leaking between the first pipeline 1 and the second pipeline 2.
In an embodiment of this embodiment, a limiting groove is disposed on an end surface of the supporting end 51 facing away from the annular cavity 3, the connecting portion 12 is disposed in the limiting groove, and a thickness of the connecting portion 12 is equal to a groove depth of the limiting groove in an axial direction of the second pipeline 2. The connecting portion 12 does not protrude from the end face of the supporting end 51 facing away from the annular cavity 3, so that a gap is formed when the connecting flange 5 is connected with a pipeline system, the connection is not tight, and the pipeline system and the limiting groove pressing the connecting portion 12 can further ensure the sealing effect between the first pipeline 1 and the second pipeline 2.
In another embodiment of this embodiment, a limiting groove is disposed on an end surface of the supporting end 51 facing away from the annular cavity 3, the connecting portion 12 is disposed in the limiting groove, and a thickness of the connecting portion 12 is greater than a groove depth of the limiting groove in the axial direction of the second pipeline 2. Connecting portion 12 has elasticity, and the thickness of connecting portion slightly is greater than the groove depth on the axial direction of second pipeline 2, pipe-line system and spacing groove compress tightly connecting portion 12, guarantee the leakproofness of flange 5 and pipe-line system junction, prevent that the fluid from spilling over.
In this embodiment, the connecting flange 5 further includes a connecting end 52 extending to the outer periphery of the second pipeline 2, a plurality of connecting holes 53 are provided on the connecting end 52, and the connecting end 52 is connected to a pipeline system through a fastener and the connecting holes 53. The fastener comprises a fastening connection structure such as a bolt, a screw and the like.
In this embodiment, the power structure 42 is a power structure 42 capable of outputting a constant voltage, and the power structure 42 is electrically connected to the elastic support structure 41 through a connecting wire. The power structure 42 can output a constant voltage, and the elastic support structure 41 can have stable support rigidity.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A pressure control device for use in a piping system, comprising:
a first conduit (1) made of an elastic material;
the second pipeline (2) is sleeved outside the first pipeline (1) and surrounds the first pipeline (1) to form an annular cavity (3);
a pressure control structure (4) comprising an elastic support structure (41) located inside the annular chamber (3) and a power supply structure (42) located outside the annular chamber (3); the elastic supporting structure (41) is made of piezoelectric materials, and two ends of the elastic supporting structure (41) are respectively connected with the first pipeline (1) and the second pipeline (2); the power supply structure (42) is arranged on the second pipeline (2) and is electrically connected with the elastic support structure (41).
2. Pressure control device applied to a piping system according to claim 1, characterized in that said elastic support structure (41) comprises a plurality of groups of piezoelectric plates, both ends of which are connected to said first (1) and second (2) pipes, respectively, and said plurality of groups of piezoelectric plates are distributed along the circumference of said annular chamber (3).
3. Pressure control device applied to pipe systems according to claim 2, characterized in that the groups of piezoelectric plates are evenly distributed along the circumference of the annular chamber (3).
4. The pressure control device applied to the pipeline system according to claim 2 or 3, wherein the piezoelectric plate is an arc-shaped plate, and both ends of the arc-shaped plate are respectively connected with the first pipeline (1) and the second pipeline (2).
5. The pressure control apparatus for piping system according to claim 4, wherein there are two piezoelectric plates in each group, both ends of two piezoelectric plates in each group are connected, respectively, and the two piezoelectric plates in each group are bent in opposite directions.
6. Pressure control device for pipe systems according to any of claims 1-3, 5, characterized in that the second pipe (2) is provided with a connecting flange (5) at both ends, the second pipe (2) being adapted to be detachably connected to a pipe system via the connecting flange (5).
7. The pressure control device applied to a pipeline system according to claim 6, wherein the connecting flange (5) comprises a support end (51) extending towards the inner periphery of the second pipeline (2), and the second pipeline (2) and the first pipeline (1) enclose the annular cavity (3) through the support end (51);
the first pipeline (1) comprises a pipeline body (11) and two connecting parts (12), wherein the two connecting parts (12) respectively extend from two ends of the pipeline body (11) to the periphery of the pipeline body (11); the two support ends (51) are positioned between the two connecting parts (12) and are respectively abutted against the two connecting parts (12).
8. The pressure control device applied to the pipeline system according to claim 7, wherein a limiting groove is arranged on the end surface of the supporting end (51) facing away from the annular cavity (3), the connecting part (12) is arranged in the limiting groove, and the thickness of the connecting part (12) is greater than or equal to the groove depth of the limiting groove in the axial direction of the second pipeline (2).
9. The pressure control apparatus applied to a piping system according to claim 6, wherein said connection flange (5) further comprises a connection end (52) extending to an outer periphery of said second piping (2), said connection end (52) being provided with a plurality of connection holes (53), said connection end (52) being connected to the piping system through a fastener and said connection holes (53).
10. Pressure control device for pipe systems according to any of claims 1-3, 5, 7-9, characterized in that the power supply structure (42) is a power supply structure (42) capable of outputting a constant voltage, and the power supply structure (42) is electrically connected with the elastic support structure (41) through a connecting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277121.5A CN114623301A (en) | 2022-03-21 | 2022-03-21 | Pressure control device applied to pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210277121.5A CN114623301A (en) | 2022-03-21 | 2022-03-21 | Pressure control device applied to pipeline system |
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| Publication Number | Publication Date |
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| CN114623301A true CN114623301A (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210277121.5A Pending CN114623301A (en) | 2022-03-21 | 2022-03-21 | Pressure control device applied to pipeline system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0193077A1 (en) * | 1985-02-25 | 1986-09-03 | Surgeaco, Inc. | Non-pressurized surge arrestor for use in pipeline systems for dissipating the harmful effects of pressure surges and shock waves |
| CN205331697U (en) * | 2015-12-24 | 2016-06-22 | 中国地质大学（北京） | Axial -flow type mud pulse slowly -releasing ware |
| CN105972370A (en) * | 2016-05-27 | 2016-09-28 | 哈尔滨工程大学 | Novel variable-rigidity semi-active pipeline vibration absorber |
| CN110745209A (en) * | 2019-11-29 | 2020-02-04 | 烟台大学 | Connecting structure, connecting method and control system for pipeline and vibration reduction assembly |
-
2022
- 2022-03-21 CN CN202210277121.5A patent/CN114623301A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0193077A1 (en) * | 1985-02-25 | 1986-09-03 | Surgeaco, Inc. | Non-pressurized surge arrestor for use in pipeline systems for dissipating the harmful effects of pressure surges and shock waves |
| CN205331697U (en) * | 2015-12-24 | 2016-06-22 | 中国地质大学（北京） | Axial -flow type mud pulse slowly -releasing ware |
| CN105972370A (en) * | 2016-05-27 | 2016-09-28 | 哈尔滨工程大学 | Novel variable-rigidity semi-active pipeline vibration absorber |
| CN110745209A (en) * | 2019-11-29 | 2020-02-04 | 烟台大学 | Connecting structure, connecting method and control system for pipeline and vibration reduction assembly |
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