CN113357193A - Inlet guide vane adjusting device and air blower - Google Patents
Inlet guide vane adjusting device and air blower Download PDFInfo
- Publication number
- CN113357193A CN113357193A CN202110710009.1A CN202110710009A CN113357193A CN 113357193 A CN113357193 A CN 113357193A CN 202110710009 A CN202110710009 A CN 202110710009A CN 113357193 A CN113357193 A CN 113357193A
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- Prior art keywords
- guide vane
- carousel
- inlet guide
- spring
- cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 abstract description 9
- 230000008676 import Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
Images
Classifications
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
Abstract
The application discloses import stator adjusting device and air-blower, wherein, import stator device includes: the cylinder, set up the carousel and the power balance mechanism who is connected with the carousel at the cylinder periphery with the inside multi-disc guide vane of cylinder rotatable coupling, cover of cylinder periphery, correspond guide vane position, the connecting hole the same with guide vane quantity is laid to the circumference of cylinder, wear to be equipped with the dwang in every connecting hole to make every guide vane in the rotation process, through corresponding dwang and carousel contact. The utility model provides an import stator device, when guide vane's aperture changes, the dwang rotates and promotes the carousel rotation, and power balance mechanism automatically regulated is to the carousel power of exerting, and the carousel atress stall when reaching the balance, and then the restriction dwang rotates, and guide vane's aperture no longer changes.
Description
Technical Field
The invention relates to the technical field of fans, in particular to an inlet guide vane adjusting device and an air blower.
Background
When the working condition of the centrifugal blower is changed in the working process, the surge phenomenon of the blower can be caused. The centrifugal blowers are all provided with a surge protection mechanism, and by continuously monitoring the working point, when the working point enters a preset surge area, a surge alarm is triggered, the motor is stopped, and the pressure release valve is opened. The method detects surge to start alarm, the blower is stopped, and loss caused by stopping the blower is great for the working condition that production cannot be stopped.
Disclosure of Invention
In order to solve the technical problem, the invention provides an inlet guide vane adjusting device and an air blower.
As one aspect of the present application, there is provided an inlet guide vane adjusting apparatus comprising: the cylinder, set up the carousel and the power balance mechanism who is connected with the carousel at the cylinder periphery with the inside multi-disc guide vane of cylinder rotatable coupling, cover of cylinder periphery, correspond guide vane position, the connecting hole the same with guide vane quantity is laid to the circumference of cylinder, wear to be equipped with the dwang in every connecting hole to make every guide vane in the rotation process, through corresponding dwang and carousel contact.
Alternatively, the rotatable disk is rotated between the first position and the second position by the rotatable rod and the force balancing mechanism in cooperation with each other as the guide vanes rotate.
Optionally, the force balance mechanism comprises an elastic component and a fixed seat fixed on the outer wall of the barrel, one end of the elastic component is connected with the rotary table, and the other end of the elastic component is connected to the fixed seat.
Optionally, the elastic assembly comprises a spring and a sliding sleeve sleeved outside the spring, one end of the sliding sleeve is fixedly connected with the rotary table, one end of the spring is arranged in the sliding sleeve, one end of the spring arranged in the sliding sleeve is in contact connection with the rotary table, and the other end of the spring penetrates out of the sliding sleeve and is fixedly connected with the fixed seat.
Alternatively, the side of the rotating disc connected with the force balancing mechanism is a friction surface, and one end of the spring which is arranged in the sliding sleeve is in friction contact with the rotating disc through a friction head.
Optionally, the force balancing mechanism and the turntable are arranged at a predetermined angle.
Optionally, the inlet guide vane adjusting device comprises at least two force balance mechanisms, and the at least two force balance mechanisms are uniformly arranged in the circumferential direction of the cylinder body.
Optionally, the rotating rod comprises a main body part penetrating through the connecting hole and a toggle part connected with the main body part; the carousel circumference has laid the hole of stirring that corresponds the setting with the portion of stirring of dwang, and when the dwang rotated, the hole was stirred in the contact of part stirring to stir the carousel and rotate.
Optionally, the multiple guide vanes are the same fan-shaped vanes, and the multiple guide vane cylinders are arranged in the circumferential direction.
As another aspect of the present application, there is provided a blower including the inlet guide vane adjusting device as claimed in any one of claims 1 to 9.
The utility model provides an import stator device, when guide vane's aperture changes, the dwang rotates and promotes the carousel rotation, and power balance mechanism automatically regulated is to the carousel power of exerting, and the carousel atress stall when reaching the balance, and then the restriction dwang rotates, and guide vane's aperture no longer changes.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a perspective view of an inlet guide vane arrangement in an embodiment of the present application;
FIG. 2 is a schematic structural view from another perspective of an inlet guide vane arrangement in an embodiment of the present application;
FIG. 3 is a schematic view showing a connection structure of a blade and a wave lever in the embodiment of the present application;
fig. 4 is a schematic structural view of a blower in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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. It should be noted that, in the embodiments and examples of the present application, the feature vectors may be arbitrarily combined with each other without conflict.
When the working condition of the centrifugal blower is changed in the working process, the surge phenomenon of the blower can be caused. The centrifugal blowers are all provided with a surge protection mechanism, and by continuously monitoring the working point, when the working point enters a preset surge area, a surge alarm is triggered, the motor is stopped, and the pressure release valve is opened. The method detects surge to start alarm, the blower is stopped, and loss caused by stopping the blower is great for the working condition that production cannot be stopped.
To this end, the present application provides an inlet guide vane arrangement comprising: the flow guide device comprises a cylinder body 10, a plurality of flow guide blades 20 rotatably connected with the cylinder body 10 and arranged in the cylinder body 10, a rotary table 30 sleeved on the periphery of the cylinder body 10 and a force balance mechanism 40 connected with the rotary table 30, wherein connecting holes with the same number as the flow guide blades 20 are distributed in the circumferential direction of the cylinder body 10 corresponding to the positions of the flow guide blades 20, and a rotating rod 50 penetrates through each connecting hole so that each flow guide blade 20 is in contact with the rotary table 30 through the corresponding rotating rod 50 in the rotating process.
The utility model provides an import stator device, when guide vane 20's aperture changes, dwang 50 rotates and promotes the carousel 30 rotatory, and the power is exerted to carousel 30 to the automatically regulated of force balance mechanism 40, and the carousel 30 atress stops rotating when reaching the balance, and then the restriction dwang 50 rotates, and guide vane 20's aperture no longer changes.
When the fan surging, the flow of fan is big time little, change frequently, the periodicity is relapse, and the fluctuation range is very big, and the flow of fan probably appears zero even when appearing the negative value. The application of the guide vane 20 to the fan, when the fan is influenced by surge and the air quantity changes frequently, the opening of the guide vane 20 is influenced by the air quantity to change, the force balance mechanism 40 automatically adjusts the force applied to the rotary disc 30, the opening of the guide vane 20 is reduced, the throttling effect is enhanced, and the continuous surge of the fan is avoided.
As an embodiment of the present application, as shown in fig. 1 and 2, an inlet guide vane device of the present embodiment includes: the flow guide device comprises a cylinder body 10, a plurality of flow guide blades 20 rotatably connected with the cylinder body 10 and arranged in the cylinder body 10, a rotary table 30 sleeved on the periphery of the cylinder body 10 and a force balance mechanism 40 connected with the rotary table 30, wherein connecting holes with the same number as the flow guide blades 20 are distributed in the circumferential direction of the cylinder body 10 corresponding to the positions of the flow guide blades 20, and a rotating rod 50 penetrates through each connecting hole so that each flow guide blade 20 is in contact with the rotary table 30 through the corresponding rotating rod 50 in the rotating process.
When the guide vane 20 rotates relative to the cylinder 10, the rotating rod 50 rotates along with the rotation of the guide vane 20, the rotating rod 50 contacts with the rotating disc 30 to generate a driving force for driving the rotating disc 30 to rotate, the rotating disc 30 rotates under the action of the driving force, the force balancing mechanism 40 changes the force applied to the rotating disc 30 under the action of the rotating disc 30, and the force balancing mechanism 40 stops when the force applied to the rotating disc 30 and the driving force applied to the rotating disc 30 reach balance.
In the present embodiment, when the guide vane 20 rotates, the rotary plate 30 is rotated between the first position and the second position by the rotating rod 50 and the force balance mechanism 40.
When the turntable 30 is at the first position, the guide vanes 20 are in an initial state (i.e., a state with a minimum opening degree or a closed state); when the opening degree of the guide vanes 20 is changed, the rotary plate 30 rotates between a first position and a second position; when the rotary plate 30 is at the second position, the rotary plate 30 is farthest from the guide vanes 20, and the guide vanes 20 are in a state of maximum opening.
Specifically, when no gas is introduced into the inlet guide vane device, the rotary disk 30 is in the first position, and the guide vanes 20 are in the initial state.
When letting in the air current in the barrel 10 of import stator device, guide vane 20 receives the air current effect and rotates, guide vane 20 aperture changes and drives dwang 50 and rotates, dwang 50 produces the driving force that promotes carousel 30 pivoted with the contact of carousel 30, carousel 30 rotates to the second place from the primary importance, guide vane 20's aperture grow, in the rotation process, force balance mechanism 40 receives carousel 30 to rotate the effect, automatically regulated adds the force to carousel 30, stop when force balance mechanism 40 reaches the equilibrium to the driving force that applied force and carousel 30 received.
The inlet guide vane device of this application, through setting up carousel 30 and force balancing unit, restriction guide vane 20's aperture scope, in the fan surge, when fan flow appearance negative value, carousel 30 and force balancing unit restriction guide vane 20's aperture, guide vane 20's aperture is in initial condition (also be the minimum state of aperture or closed condition), and guide vane 20 throttle effect reinforcing effectively slows down the fan surge.
As an embodiment of the present application, as shown in fig. 1 and 2, an inlet guide vane device includes: the flow guide device comprises a cylinder body 10, a plurality of flow guide blades 20 rotatably connected with the cylinder body 10 and arranged in the cylinder body 10, a rotary table 30 sleeved on the periphery of the cylinder body 10 and a force balance mechanism 40 connected with the rotary table 30, wherein connecting holes with the same number as the flow guide blades 20 are distributed in the circumferential direction of the cylinder body 10 corresponding to the positions of the flow guide blades 20, and a rotating rod 50 penetrates through each connecting hole so that each flow guide blade 20 is in contact with the rotary table 30 through the corresponding rotating rod 50 in the rotating process. The guide vanes 20, the rotary disk 30 and the force balance mechanism 40 are sequentially arranged away from the air inlet of the cylinder 10.
The force balance mechanism 40 comprises an elastic component 41 and a fixed seat 45 fixed on the outer wall of the cylinder 10, one end of the elastic component 41 is connected with the rotating disc 30, and the other end of the elastic component 41 is connected on the fixed seat 45.
When guide vane 20 rotates, carousel 30 rotates, elastic component 41 receives the extrusion force change, and elastic component 41 changes to the spring 411 power that carousel 30 provided, and is specific, when guide vane 20 aperture increases, carousel 30 receives the stirring of dwang 50 to rotate from the first position to the second position, and the spring 411 power that the spring 411 subassembly provided to carousel 30 increases gradually, and when the flow vane aperture reduces, carousel 30 receives stirring of dwang 50 to rotate from the second position to the first position, and the spring 411 power that the spring 411 subassembly provided to carousel 30 reduces gradually.
In this embodiment, as shown in fig. 1 and 2, the elastic assembly 41 may include a spring 411 and a sliding sleeve 412 sleeved outside the spring 411, one end of the sliding sleeve 412 is fixedly connected to the rotating disc 30, one end of the spring 411 is embedded in the sliding sleeve 412, one end of the spring 411 embedded in the sliding sleeve 412 is connected to the rotating disc 30 in a contact manner, and the other end of the spring 411 protrudes from the sliding sleeve 412 and is fixedly connected to the fixing base 45.
Preferably, as shown in fig. 1 and 2, the side of the rotating disc 30 connected to the force balancing mechanism 40 is a friction surface, and one end of the spring 411 embedded in the sliding sleeve 412 is in friction contact with the rotating disc 30 through a friction head 415 to increase the friction force between the spring 411 and the rotating disc 30.
As an embodiment of the present application, the present embodiment is mostly the same as the above embodiments, except that, as shown in fig. 1 and 2, the force balance mechanism 40 and the turntable 30 are arranged at a predetermined included angle, and the force balance mechanism 40 provides a driving force to the turntable 30 at a predetermined included angle.
When the rotating disc 30 rotates between the first position and the second position, the force balancing device provides a spring 411 force to the rotating disc 30 at a preset included angle, when the air flow in the fan is reduced, the driving force applied to the guide vanes 20 is reduced, the spring 411 force provided by the rotating disc 30 of the force balancing mechanism 40 is larger than the driving force applied to the guide vanes 20, the rotating disc 30 rotates in the first direction under the action of the spring 411 force, the rotating disc 30 rotates to drive the rotating rod 50 to rotate, the guide vanes 20 are driven to rotate, and the opening degree of the guide vanes 20 is reduced.
As an embodiment of the present application, as shown in fig. 1 and 2, an inlet guide vane adjusting apparatus includes: the cylinder 10 is provided with a plurality of guide vanes 20 in the cylinder 10 in a rotatable manner, a rotating disc 30 is sleeved outside the cylinder 10, the rotating disc 30 is connected with at least two force balance mechanisms 40, and the at least two force balance mechanisms 40 are uniformly arranged around the cylinder 10 in the circumferential direction.
The cylinder 10 comprises an air inlet, the guide vanes 20, the rotary disc 30 and the force balance mechanisms 40 are sequentially arranged away from the air inlet of the cylinder 10, the rotary rod 50 is in contact with one side of the rotary disc 30 close to the air inlet, and the at least two force balance mechanisms 40 are respectively connected with one side of the rotary disc 30 away from the air inlet.
Corresponding to the position of the guide vane 20, the cylinder 10 is circumferentially provided with connecting holes having the same number as the guide vane 20, and a rotating rod 50 is inserted into each connecting hole, so that each guide vane 20 contacts with the rotary plate 30 through the corresponding rotating rod 50 in the rotating process.
The rotary table 30 is uniformly connected with at least two force balance mechanisms 40, so that the circumferential stress balance of the rotary table 30 is ensured when the rotary table rotates, and the opening degrees of the guide vanes 20 are consistent.
As an embodiment of the present application, most of the contents of the present embodiment are the same as those of the above embodiments, except that, as shown in fig. 1 to 3, the rotating lever 50 includes a main body portion 51 inserted into the connecting hole and a toggle portion 52 connected to the main body portion 51; the dial 30 is circumferentially provided with a dial hole 32 corresponding to the dial part 52 of the rotating rod 50, and when the rotating rod 50 rotates, part of the dial part 52 contacts the dial hole 32 to dial the dial 30 to rotate.
Preferably, in the present embodiment, as shown in fig. 3, the toggle part 52 comprises a wave rod connected with the main body part 51 and a wave head arranged at the extension end of the wave rod, the size of the toggle head is larger than that of the wave rod, part of the toggle head and part of the toggle head are accommodated in the corresponding toggle hole 32, and during the rotation of the rotating rod 50, the toggle head and the toggle hole 32 of the rotating disc 30 rotate. In this embodiment, the dial head does not disengage from the dial aperture 32 of the dial 30 even when the dial 30 is in the first position.
As an embodiment of the present application, most of the contents of the present embodiment are the same as those of the above embodiments, except that the plurality of guide vanes 20 are the same fan-shaped vanes, and the plurality of guide vanes 20 are arranged in the circumferential direction of the cylinder 10.
As an embodiment of the present application, a blower, inlet guide vane adjustment device, is shown in FIG. 4.
When the fan normally works, the impeller rotates at a high speed to drive high-speed airflow to enter the fan through the guide vanes 20, and at the moment, the guide vanes 20 are pushed by the airflow to increase the opening and increase the air quantity.
When the working condition changes, if the surge condition is met, the inlet air volume is reduced and pulsation occurs, at the moment, the opening degree of the guide vane 20 of the inlet guide vane adjusting device is in a reduction trend under the action of the elastic force of the spring 411, the air inlet volume is reduced, and the surge is slowed down.
When the blower works normally, the opening of the guide vane 20 has a nonlinear relation with the air inlet amount, so that the relation of automatically adjusting the air inlet amount is realized to a certain extent, the performance curve of the blower is optimized, and the working efficiency is improved.
Preferably, the blower of the present embodiment is a centrifugal blower.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (10)
1. An inlet guide vane adjustment device, comprising: barrel (10), with barrel (10) rotatable coupling ground sets up barrel (10) inside multi-disc guide vane (20), the cover are established carousel (30) of barrel (10) periphery and with force balance mechanism (40) that carousel (30) are connected correspond guide vane (20) position, the circumference of barrel (10) laid with the same connecting hole of guide vane (20) quantity, every wear to be equipped with dwang (50) in the connecting hole, so that every guide vane (20) rotate the in-process, through corresponding dwang (50) with carousel (30) contact.
2. The inlet guide vane adjusting apparatus according to claim 1, characterized in that when the guide vane (20) rotates, the rotary disk (30) is rotated between the first position and the second position by the rotating rod (50) and the force balancing mechanism (40) in cooperation.
3. The inlet guide vane adjusting device according to claim 2, characterized in that the force balancing mechanism (40) comprises an elastic component (41) and a fixed seat (45) fixed on the outer wall of the cylinder (10), one end of the elastic component (41) is connected with the rotating disc (30), and the other end of the elastic component (41) is connected with the fixed seat (45).
4. The inlet guide vane adjusting device as set forth in claim 3, characterized in that the elastic assembly (41) comprises a spring (411) and a sliding sleeve (412) sleeved outside the spring (411), one end of the sliding sleeve (412) is fixedly connected with the rotary disc (30), one end of the spring (411) is embedded in the sliding sleeve (412), one end of the spring (411) embedded in the sliding sleeve (412) is in contact connection with the rotary disc (30), and the other end of the spring (411) penetrates out of the sliding sleeve (412) and is fixedly connected with a fixed seat (45).
5. The inlet guide vane adjusting apparatus as set forth in claim 4, characterized in that the side of the rotary disk (30) connected to the force balancing mechanism (40) is a friction surface, and one end of the spring (411) built in the sliding sleeve (412) is in friction contact with the rotary disk (30) through a friction head (415).
6. Inlet guide vane adjusting device according to one of claims 1 to 5, characterized in that the force balancing means (40) and the rotary disc (30) are arranged at a predetermined angle.
7. The inlet guide vane adjusting apparatus according to claim 6, characterized in that the inlet guide vane adjusting apparatus comprises at least two of the force balancing mechanisms (40), at least two of the force balancing mechanisms (40) being circumferentially uniformly arranged around the cylinder (10).
8. The inlet guide vane adjusting device according to claim 6, characterized in that the rotating rod (50) comprises a main body portion (51) inserted into the connecting hole and a toggle portion (52) connected with the main body portion (51);
carousel (30) circumference laid with the portion of stirring (52) of dwang (50) correspond the hole of stirring (32) that sets up, dwang (50) when rotating, part portion of stirring (52) contact stir hole (32), in order to stir carousel (30) rotate.
9. The inlet guide vane adjusting device as set forth in claim 8, characterized in that the plurality of guide vanes (20) are identical fan-shaped vanes, and the plurality of guide vanes (20) are arranged circumferentially of the cylinder (10).
10. A blower comprising an inlet guide vane adjustment device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110710009.1A CN113357193B (en) | 2021-06-25 | 2021-06-25 | Inlet guide vane adjusting device and air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110710009.1A CN113357193B (en) | 2021-06-25 | 2021-06-25 | Inlet guide vane adjusting device and air blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113357193A true CN113357193A (en) | 2021-09-07 |
| CN113357193B CN113357193B (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110710009.1A Active CN113357193B (en) | 2021-06-25 | 2021-06-25 | Inlet guide vane adjusting device and air blower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857090A (en) * | 2022-04-29 | 2022-08-05 | 满洲里达赉湖热电有限公司 | Air supply blower air volume adjusting and guiding device |
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| US5096374A (en) * | 1989-02-02 | 1992-03-17 | Hitachi, Ltd. | Vane controller |
| JPH07301195A (en) * | 1994-05-06 | 1995-11-14 | Ingersoll Rand Co | Method and equipment for passively damping flow disturbance in centrifugal compressor |
| CN201330717Y (en) * | 2009-01-05 | 2009-10-21 | 珠海格力电器股份有限公司 | Adjustable centrifugal type compressor |
| US20100293942A1 (en) * | 2007-04-18 | 2010-11-25 | Imperial Innovations Limited | Passively controlled turbocharger |
| CN106194843A (en) * | 2016-09-21 | 2016-12-07 | 珠海格力电器股份有限公司 | Guide blade adjusting device and compressor |
| CN107816457A (en) * | 2017-10-19 | 2018-03-20 | 北京理工大学 | A kind of centrifugal compressor diffuser |
| US20180100407A1 (en) * | 2015-04-15 | 2018-04-12 | Man Diesel & Turbose | Guide Vane Adjustment Device And Turbomachine |
| CN209180128U (en) * | 2018-12-12 | 2019-07-30 | 谷城宏泰气体有限公司 | Helium scroll casing of centrifugal compressor is produced in a kind of cryogenic separation |
| CN112324712A (en) * | 2020-12-11 | 2021-02-05 | 成都天空燃控科技股份有限公司 | Flow regulating structure for centrifugal fan |
-
2021
- 2021-06-25 CN CN202110710009.1A patent/CN113357193B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096374A (en) * | 1989-02-02 | 1992-03-17 | Hitachi, Ltd. | Vane controller |
| JPH07301195A (en) * | 1994-05-06 | 1995-11-14 | Ingersoll Rand Co | Method and equipment for passively damping flow disturbance in centrifugal compressor |
| US20100293942A1 (en) * | 2007-04-18 | 2010-11-25 | Imperial Innovations Limited | Passively controlled turbocharger |
| CN201330717Y (en) * | 2009-01-05 | 2009-10-21 | 珠海格力电器股份有限公司 | Adjustable centrifugal type compressor |
| US20180100407A1 (en) * | 2015-04-15 | 2018-04-12 | Man Diesel & Turbose | Guide Vane Adjustment Device And Turbomachine |
| CN106194843A (en) * | 2016-09-21 | 2016-12-07 | 珠海格力电器股份有限公司 | Guide blade adjusting device and compressor |
| CN107816457A (en) * | 2017-10-19 | 2018-03-20 | 北京理工大学 | A kind of centrifugal compressor diffuser |
| CN209180128U (en) * | 2018-12-12 | 2019-07-30 | 谷城宏泰气体有限公司 | Helium scroll casing of centrifugal compressor is produced in a kind of cryogenic separation |
| CN112324712A (en) * | 2020-12-11 | 2021-02-05 | 成都天空燃控科技股份有限公司 | Flow regulating structure for centrifugal fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857090A (en) * | 2022-04-29 | 2022-08-05 | 满洲里达赉湖热电有限公司 | Air supply blower air volume adjusting and guiding device |
| CN114857090B (en) * | 2022-04-29 | 2023-11-03 | 满洲里达赉湖热电有限公司 | Air quantity adjusting and guiding device of blower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113357193B (en) | 2023-01-20 |
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Denomination of invention: An imported guide vane adjustment device and blower Effective date of registration: 20231024 Granted publication date: 20230120 Pledgee: Weifang rural commercial bank Limited by Share Ltd. hi tech sub branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023370000118 |