CN112228411A - High-efficient vibration/noise reduction mechanism that glass steel fan was used - Google Patents
High-efficient vibration/noise reduction mechanism that glass steel fan was used Download PDFInfo
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- CN112228411A CN112228411A CN202011285111.3A CN202011285111A CN112228411A CN 112228411 A CN112228411 A CN 112228411A CN 202011285111 A CN202011285111 A CN 202011285111A CN 112228411 A CN112228411 A CN 112228411A
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- wall
- fan
- spring
- vibration
- centrifugal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The invention discloses a high-efficiency damping and noise-reducing mechanism for a glass fiber reinforced plastic fan, and relates to the technical field of fans; in order to solve the problems of shock absorption and noise reduction; specifically, the fan comprises a base and a fan main body, wherein two shells are fixedly mounted on the outer wall of the top of the base, the outer wall of the top of each shell is fixedly mounted with a top plate, an air inlet side cover and an air outlet side cover are respectively fixedly mounted on the outer wall of the top of the base perpendicular to the shell direction, and the two symmetrical outer walls of the fan main body are respectively provided with a horizontal filtering component and a torsional filtering component. According to the invention, the horizontal vibration filtering component is arranged, when the fan main body generates vibration vertical to the rotating plane, the fan main body is in sliding connection with the sliding block through the connecting plate and the first sliding rod, so that the first spring and the second spring can absorb the vibration vertical to the rotating plane generated by the first spring and the second spring through self deformation, and the vibration is reduced and reduced.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a high-efficiency damping and noise-reducing mechanism for a glass fiber reinforced plastic fan.
Background
When the fan works, vibration is often generated, noise generated during working is large, but the existing fan connecting piece does not have the functions of shock absorption and noise reduction, so that the fan is always subjected to noise pollution, and the working environment of people is influenced.
Through the retrieval, chinese patent publication is CN 207673586U's patent, a vibration/noise reduction centrifugal fan is disclosed, which comprises a bracket, shock absorber support, the shock attenuation board, a machine shell, motor and impeller, the support includes horizontal stand and the vertical support of vertical connection on horizontal stand, the casing sets up in one side of vertical support, and be equipped with the mounting hole on its one side lateral wall that is close to vertical support, be equipped with the air intake on its opposite side lateral wall that corresponds, the motor sets up in the opposite side of vertical support, and its drive shaft passes vertical stand in proper order, the mounting hole is connected with the impeller that is located the casing, the upper end and the horizontal stand of shock absorber support are connected, and its lower extreme is connected with the shock attenuation board, the shock attenuation board is laminated on the.
The above patents suffer from the following disadvantages: because the power of the fan fluctuates in actual operation, the fluctuation of the rotating speed is directly caused, so that in actual application, the centrifugal vibration caused by the fact that the gravity center of the fan blades is not in rotation and revolution can be generated in the operation of the fan, the vibration perpendicular to the radial direction of the rotation of the fan blades can also exist, and the vibration cannot be well absorbed by the fan.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-efficiency damping and noise-reducing mechanism for a glass fiber reinforced plastic fan.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient vibration/noise reduction mechanism that glass steel fan used, includes base and fan main part, the top outer wall fixed mounting of base has two shells, two the top outer wall fixed mounting of shell has same roof, the top outer wall of base perpendicular to shell direction fixed mounting has air inlet side cover and air-out side cover respectively, two outer walls of the symmetry of fan main part all are provided with the level and strain and shake the subassembly, every the upper and lower both sides that the level was strained and shakes the subassembly all are provided with twists reverse and strain and shake the subassembly, twist reverse the outer wall connection who strains and shake the subassembly and have the centrifugation and strain and shake the subassembly.
Preferably: the horizontal filtering and vibrating assembly comprises a first spring and a second spring, a connecting plate is fixedly mounted on the outer wall of the fan main body, a first sliding rod is fixedly mounted on the outer wall of one side, opposite to the connecting plate, of the connecting plate, a sliding block is connected to the outer wall of the first sliding rod in a sliding mode, the first spring is arranged on the sliding block and one of the sliding blocks, the connecting plate is close to the outer wall of one side, opposite to the first sliding rod, of the connecting plate, and the second spring is arranged on the sliding block and the other connecting plate, close to.
Further: the torsional vibration filtering component comprises an arc-shaped sliding rod, an arc-shaped sleeve and a damping rubber sleeve, the arc-shaped sliding rod is fixedly installed on the outer wall of the sliding block, the arc-shaped sleeve is connected to the outer wall of the arc-shaped sliding rod in a sliding mode, and a fixing lug is fixedly installed on the outer wall of the other side of the arc-shaped sleeve.
On the basis of the scheme: the arc-shaped sliding rod and the arc-shaped sleeve are circularly positioned on the rotating center of the fan blade of the fan main body.
The better scheme in the scheme is as follows: the centrifugal filtering and vibrating assembly comprises a first centrifugal damping block, a second sliding rod, a third spring and a second centrifugal damping block, and the second centrifugal damping block is rotatably connected to the outer wall of the fixed lug through a second hinge rod.
As a further scheme of the invention: the outer walls of the two sides of the third spring are respectively connected to the inner walls of the first centrifugal shock absorption block and the second centrifugal shock absorption block in a sliding mode, and the outer walls of the two sides of the third spring are respectively buckled on the outer walls of the opposite sides, close to the second slide bar, of the first centrifugal shock absorption block and the second centrifugal shock absorption block.
Meanwhile, the outer wall of the other side of the first centrifugal shock absorption block is respectively hinged with a first hinge lug and a second hinge lug through a first hinge rod, a vertical plate is fixedly mounted on the outer wall of the top of the base, and the first hinge lug and the second hinge lug are fixedly mounted on the outer wall of the vertical plate.
As a preferable aspect of the present invention: the outer walls of the air inlet side cover and the air outlet side cover are both provided with extrusion flanges, and the outer walls of the extrusion flanges are provided with sealing gaskets.
Meanwhile, the outer walls of the vertical plate and the base are respectively and fixedly provided with a first support, a second support and a third support.
As a more preferable scheme of the invention: the air inlet fixed mounting of air inlet side cover has the filter screen, and the filter screen can filter the air inlet, prevents that the fan main part from blockking up.
The invention has the beneficial effects that:
1. this high-efficient vibration/noise reduction mechanism that glass steel fan used, through being provided with horizontal shock attenuation subassembly, when the fan main part produced the vibrations of perpendicular to rotation plane, because the fan main part passes through the connecting plate and first slide bar establishes sliding connection relation with the slider, so first spring and second spring accessible self deformation absorb the vibrations of perpendicular to rotation plane of its production to carry out vibration/noise reduction to it.
2. This high-efficient vibration/noise reduction mechanism that glass steel fan used strains the shake subassembly through being provided with to twist reverse, when the vibrations of fan main part production direction of rotation, accessible arc slide bar and the telescopic sliding connection effect of arc, and the deformation effect of cooperation yielding rubber cover will shake the absorption to the vibration/noise reduction effect of this device has further been improved.
3. This high-efficient vibration/noise reduction mechanism that glass steel fan used, through being provided with the centrifugation shake subassembly that strains, the centrifugation of four groups is strained and is shaken the subassembly and with it in unsettled state of fan main part, when the fan main part takes place the centrifugation vibrations, through the sliding connection effect of second slide bar and first centrifugation snubber block, second centrifugation snubber block, the deformation of cooperation third spring can absorb the centrifugation vibrations to one more advances the vibration/noise reduction effect that has improved this device.
4. This high-efficient vibration/noise reduction mechanism that glass steel fan used, through being provided with extrusion flange and seal gasket, the back of finishing the installation, there is the extrusion force on the surface of extrusion flange and the surface of fan main part to extrude seal gasket, accomplish sealedly, thereby guarantee the transport leakproofness of whole fan, guarantee the reliability of its air supply convulsions.
5. This high-efficient vibration/noise reduction mechanism that glass steel fan used through being provided with first support, second support and third support, because the atress of whole device is born by two risers, and there is certain angle in the top atress of riser, can produce great moment of flexure to it, makes its easy fatigue damage, and the setting of first support, second support and third support can strengthen the bearable load of riser to increase its life.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-efficiency damping and noise-reducing mechanism for a glass fiber reinforced plastic blower according to the present invention;
FIG. 2 is a schematic view of an internal structure of a high-efficiency damping and noise-reducing mechanism for a glass fiber reinforced plastic blower according to the present invention;
FIG. 3 is a schematic structural view of a horizontal vibration-damping component and a torsional vibration-damping component of the high-efficiency vibration-damping and noise-reducing mechanism for the glass fiber reinforced plastic blower according to the present invention;
FIG. 4 is a schematic structural view of a centrifugal vibration-damping assembly of the efficient vibration-damping and noise-reducing mechanism for the glass fiber reinforced plastic blower according to the present invention;
fig. 5 is a schematic structural diagram of an air inlet side cover and an air outlet side cover of the efficient damping and noise reduction mechanism for the glass fiber reinforced plastic blower provided by the invention.
In the figure: 1-base, 2-air inlet side cover, 3-shell cover, 4-air outlet side cover, 5-top plate, 6-filter screen, 7-horizontal vibration filtering component, 8-vertical plate, 9-torsion vibration filtering component, 10-centrifugal vibration filtering component, 11-fan main body, 12-first support, 13-second support, 14-third support, 15-vibration absorbing rubber sleeve, 16-first sliding rod, 17-first spring, 18-fixing lug, 19-connecting plate, 20-second spring, 21-arc sleeve, 22-first hinging lug, 23-second hinging lug, 24-first hinging rod, 25-first centrifugal vibration absorbing block, 26-second sliding rod, 27-third spring, 28-second centrifugal vibration absorbing block, 29-second hinging rod, 30-extrusion flange and 31-sealing gasket.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A high-efficiency damping and noise-reducing mechanism for a glass fiber reinforced plastic fan is shown in figures 1 and 2 and comprises a base 1 and a fan main body 11, wherein two shell covers 3 are fixedly installed on the outer wall of the top of the base 1, the same top plate 5 is fixedly installed on the outer walls of the tops of the two shell covers 3, an air inlet side cover 2 and an air outlet side cover 4 are respectively and fixedly installed on the outer wall of the top of the base 1, which is perpendicular to the direction of the shell covers 3, horizontal filtering and vibration assemblies 7 are respectively arranged on the two symmetrical outer walls of the fan main body 11, torsional filtering and vibration assemblies 9 are respectively arranged on the upper side and the lower side of each horizontal filtering and vibration assembly 7, and the outer walls of the torsional filtering and vibration; when the fan main body 11 is used, when the operating power of the fan main body 11 changes, the torsional vibration filtering component 9 can absorb the radial vibration of the fan main body perpendicular to the rotation of the fan blades of the fan main body 11, because the rotating speed of the fan blades changes, the fan blades are also vibrated in a direction parallel to the air supply direction, the horizontal vibration filtering component 7 can absorb the vibration, and in addition, the centrifugal vibration filtering component 10 can absorb the vibration of the whole fan main body 11 in a plane parallel to the rotation of the fan blades of the fan main body 11.
In order to solve the problem of absorbing vibration perpendicular to a rotating plane; as shown in fig. 3, the horizontal vibration filtering assembly 7 includes a first spring 17 and a second spring 20, a connecting plate 19 is fixedly installed on an outer wall of the fan main body 11, a first sliding rod 16 is fixedly installed on an outer wall of an opposite side of the connecting plate 19, a sliding block is slidably connected to an outer wall of the first sliding rod 16, the first spring 17 is disposed on an outer wall of an opposite side of the sliding block and one of the connecting plates 19 close to the first sliding rod 16, and the second spring 20 is disposed on an outer wall of an opposite side of the sliding block and the other connecting plate 19 close to the first sliding rod 16.
In order to solve the problem of absorbing vibration in the rotating direction; as shown in fig. 3, the torsional vibration filtering assembly 9 includes an arc-shaped sliding rod, an arc-shaped sleeve 21 and a damping rubber sleeve 15, the arc-shaped sliding rod is fixedly mounted on the outer wall of the sliding block, the arc-shaped sleeve 21 is slidably connected to the outer wall of the arc-shaped sliding rod, a fixing lug 18 is fixedly mounted on the outer wall of the other side of the arc-shaped sleeve 21, and the arc-shaped sliding rod and the arc-shaped sleeve 21 are circularly located on the rotating center of the fan blade of the fan main body 11; when the fan body 11 generates vibration in the rotating direction, the vibration can be absorbed by the sliding connection effect of the arc-shaped sliding rod and the arc-shaped sleeve 21 and the deformation effect of the damping rubber sleeve 15.
In order to solve the problem of absorbing centrifugal vibration; as shown in fig. 2 and 4, the centrifugal shock assembly 10 comprises a first centrifugal shock-absorbing block 25, a second slide bar 26, a third spring 27 and a second centrifugal shock-absorbing block 28, the second centrifugal damper 28 is rotatably coupled to the outer wall of the fixing lug 18 by a second hinge lever 29, the outer walls of the third spring 27 at both sides are respectively connected to the inner walls of the first centrifugal damping block 25 and the second centrifugal damping block 28 in a sliding manner, the outer walls of the two sides of the third spring 27 are respectively fastened to the outer walls of the first centrifugal shock-absorbing block 25 and the second centrifugal shock-absorbing block 28 on the opposite sides close to the second slide bar 26, the other side outer wall of the first centrifugal damping block 25 is hinged with a first hinge lug 22 and a second hinge lug 23 through a first hinge rod 24 respectively, the outer wall of the top of the base 1 is fixedly provided with a vertical plate 8, and the first hinge lug 22 and the second hinge lug 23 are both fixedly arranged on the outer wall of the vertical plate 8; the four centrifugal filtering and vibrating assemblies 10 suspend the fan body 11 in the air, and when centrifugal vibration occurs in the fan body 11, the centrifugal vibration can be absorbed by the sliding connection effect of the second sliding rod 26, the first centrifugal damping block 25 and the second centrifugal damping block 28 and the deformation of the third spring 27.
In order to solve the sealing problem; as shown in fig. 5, the outer walls of the air inlet side cover 2 and the air outlet side cover 4 are both provided with an extrusion flange 30, and the outer wall of the extrusion flange 30 is provided with a sealing gasket 31; after the installation is finished, the surface of the extrusion flange 30 and the surface of the fan main body 11 have extrusion force, so that the sealing gasket 31 is extruded, and sealing is completed.
In order to solve the stability problem; as shown in fig. 2, the outer walls of the vertical plate 8 and the base 1 are respectively and fixedly provided with a first support 12, a second support 13 and a third support 14, the stress of the whole device is borne by the two vertical plates 8, and the stress on the top of the vertical plate 8 has a certain angle, so that a large bending moment is generated to the vertical plate 8, the vertical plate is easy to fatigue damage, and the arrangement of the first support 12, the second support 13 and the third support 14 can enhance the bearable load of the vertical plate 8, thereby prolonging the service life of the vertical plate.
In order to solve the filtration problem; as shown in figure 1, the air inlet of the air inlet side cover 2 is fixedly provided with a filter screen 6, and the filter screen 6 can filter the inlet air to prevent the blower main body 11 from being blocked.
In the present embodiment, when the fan body 11 generates a vibration perpendicular to the rotation plane, since the fan body 11 establishes a sliding connection relationship with the slider through the connection plate 19 and the first sliding rod 16, the first spring 17 and the second spring 20 can absorb the vibration generated by the first spring 17 and the second spring perpendicular to the rotation plane through self-deformation, and when the fan main body 11 generates the vibration in the rotation direction, the four groups of centrifugal filtering and vibrating assemblies 10 can absorb the vibration by the sliding connection action of the arc-shaped slide rod and the arc-shaped sleeve 21 and matching with the deformation action of the damping rubber sleeve 15, the fan main body 11 is in a suspended state, when the fan main body 11 generates centrifugal vibration, through the sliding connection effect of the second slide bar 26 with the first centrifugal damping block 25 and the second centrifugal damping block 28, in cooperation with the deformation of the third spring 27, the first bracket 12, the second bracket 13 and the third bracket 14 can enhance the bearable load of the vertical plate 8.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient vibration/noise reduction mechanism that glass steel fan used, includes base (1) and fan main part (11), its characterized in that, the top outer wall fixed mounting of base (1) has two shells (3), two the top outer wall fixed mounting of shell (3) has same roof (5), the top outer wall of base (1) perpendicular to shell (3) direction is fixed mounting respectively has air inlet side shield (2) and air-out side shield (4), two outer walls of the symmetry of fan main part (11) all are provided with level and strain and shake subassembly (7), every the upper and lower both sides that the level was strained and shakes subassembly (7) all are provided with to twist reverse and strain and shake subassembly (9), and the outer wall connection that twists reverse and strain and shake subassembly (9) has centrifugal filtration and shakes subassembly (10).
2. The efficient shock-absorbing and noise-reducing mechanism for the glass fiber reinforced plastic fan is characterized in that the horizontal shock-absorbing and noise-reducing assembly (7) comprises a first spring (17) and a second spring (20), a connecting plate (19) is fixedly installed on the outer wall of the fan main body (11), a first sliding rod (16) is fixedly installed on the outer wall of the opposite side of the connecting plate (19), a sliding block is slidably connected to the outer wall of the first sliding rod (16), the first spring (17) is arranged on the outer wall of the opposite side, close to the first sliding rod (16), of the sliding block and one of the connecting plates (19), and the second spring (20) is arranged on the outer wall of the opposite side, close to the first sliding rod (16), of the sliding block and the other connecting plate (19).
3. The efficient shock-absorbing and noise-reducing mechanism for the glass fiber reinforced plastic fan is characterized in that the torsional vibration-filtering component (9) comprises an arc-shaped sliding rod, an arc-shaped sleeve (21) and a shock-absorbing rubber sleeve (15), the arc-shaped sliding rod is fixedly installed on the outer wall of the sliding block, the arc-shaped sleeve (21) is slidably connected to the outer wall of the arc-shaped sliding rod, and a fixing lug (18) is fixedly installed on the outer wall of the other side of the arc-shaped sleeve (21).
4. The efficient damping and noise reducing mechanism for the glass fiber reinforced plastic fan is characterized in that the arc-shaped sliding rod and the arc-shaped sleeve (21) are circularly located on the rotation center of the fan blade of the fan main body (11).
5. A highly efficient vibration and noise reducing mechanism for a glass reinforced plastic blower as claimed in claim 1 wherein said centrifugal vibration absorbing assembly (10) comprises a first centrifugal vibration absorbing block (25), a second slide rod (26), a third spring (27) and a second centrifugal vibration absorbing block (28), said second centrifugal vibration absorbing block (28) being rotatably connected to the outer wall of the fixing lug (18) by a second hinge rod (29).
6. The efficient damping and noise reducing mechanism for the glass fiber reinforced plastic fan is characterized in that two outer side walls of the third spring (27) are respectively and slidably connected to inner walls of the first centrifugal damping block (25) and the second centrifugal damping block (28), and two outer side walls of the third spring (27) are respectively buckled on two outer side walls of the first centrifugal damping block (25) and the second centrifugal damping block (28) close to the second slide bar (26).
7. The efficient shock-absorbing and noise-reducing mechanism for the glass fiber reinforced plastic fan is characterized in that the outer wall of the other side of the first centrifugal shock-absorbing block (25) is hinged with a first hinge lug (22) and a second hinge lug (23) through a first hinge rod (24), the outer wall of the top of the base (1) is fixedly provided with a vertical plate (8), and the first hinge lug (22) and the second hinge lug (23) are fixedly arranged on the outer wall of the vertical plate (8).
8. The efficient damping and noise reducing mechanism for the glass fiber reinforced plastic fan is characterized in that the outer walls of the air inlet side cover (2) and the air outlet side cover (4) are respectively provided with an extrusion flange (30), and the outer wall of each extrusion flange (30) is provided with a sealing gasket (31).
9. The efficient damping and noise reducing mechanism for the glass fiber reinforced plastic fan is characterized in that a first bracket (12), a second bracket (13) and a third bracket (14) are fixedly mounted on the outer walls of the vertical plate (8) and the base (1) respectively.
10. The efficient damping and noise reducing mechanism for the glass fiber reinforced plastic fan as claimed in claim 1, wherein a filter screen (6) is fixedly mounted at an air inlet of the air inlet side cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285111.3A CN112228411B (en) | 2020-11-17 | 2020-11-17 | Vibration/noise reduction mechanism that glass steel fan was used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285111.3A CN112228411B (en) | 2020-11-17 | 2020-11-17 | Vibration/noise reduction mechanism that glass steel fan was used |
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| CN112228411A true CN112228411A (en) | 2021-01-15 |
| CN112228411B CN112228411B (en) | 2022-04-26 |
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| CN202011285111.3A Active CN112228411B (en) | 2020-11-17 | 2020-11-17 | Vibration/noise reduction mechanism that glass steel fan was used |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834621A (en) * | 1987-11-24 | 1989-05-30 | Apco/Valve And Primer Corporation | Air throttling valve for submerged pump system |
| WO2009153510A1 (en) * | 2008-06-18 | 2009-12-23 | Snecma | Air discharge system for an aeronautical turbine engine compressor |
| CN109961929A (en) * | 2019-04-22 | 2019-07-02 | 国家电网有限公司 | High-power transformer damped noise reduction device |
| CN209083624U (en) * | 2018-10-22 | 2019-07-09 | 江苏精彩风机制造有限公司 | A kind of bottom has the centrifugal blower of damping |
| CN210440287U (en) * | 2019-07-09 | 2020-05-01 | 福建浦元泵业科技有限公司 | Vibration/noise reduction's booster pump subassembly |
| CN111207096A (en) * | 2020-01-20 | 2020-05-29 | 嵊州市华昊电机制造有限公司 | Direct-current brushless damping and noise-reducing fan |
| CN210859358U (en) * | 2019-09-27 | 2020-06-26 | 福州捷盛电子科技有限公司 | Antidetonation type vehicle air conditioner air-blower |
-
2020
- 2020-11-17 CN CN202011285111.3A patent/CN112228411B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834621A (en) * | 1987-11-24 | 1989-05-30 | Apco/Valve And Primer Corporation | Air throttling valve for submerged pump system |
| WO2009153510A1 (en) * | 2008-06-18 | 2009-12-23 | Snecma | Air discharge system for an aeronautical turbine engine compressor |
| CN209083624U (en) * | 2018-10-22 | 2019-07-09 | 江苏精彩风机制造有限公司 | A kind of bottom has the centrifugal blower of damping |
| CN109961929A (en) * | 2019-04-22 | 2019-07-02 | 国家电网有限公司 | High-power transformer damped noise reduction device |
| CN210440287U (en) * | 2019-07-09 | 2020-05-01 | 福建浦元泵业科技有限公司 | Vibration/noise reduction's booster pump subassembly |
| CN210859358U (en) * | 2019-09-27 | 2020-06-26 | 福州捷盛电子科技有限公司 | Antidetonation type vehicle air conditioner air-blower |
| CN111207096A (en) * | 2020-01-20 | 2020-05-29 | 嵊州市华昊电机制造有限公司 | Direct-current brushless damping and noise-reducing fan |
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| CN112228411B (en) | 2022-04-26 |
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