CN211874764U - Large-flow high-full-pressure reloading centrifugal cross-flow fan - Google Patents
Large-flow high-full-pressure reloading centrifugal cross-flow fan Download PDFInfo
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- CN211874764U CN211874764U CN201922108297.4U CN201922108297U CN211874764U CN 211874764 U CN211874764 U CN 211874764U CN 201922108297 U CN201922108297 U CN 201922108297U CN 211874764 U CN211874764 U CN 211874764U
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- F04D29/40—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
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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
- F04D29/40—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
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
- F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
Abstract
The utility model provides a centrifugal cross-flow fan is adorned again to large-traffic high total pressure belongs to the cluster dress body of multistage fluid effect device, including at least one-level fluid centrifugation cross-flow effect device and at least one-level fluid pressure boost output structure, and the first grade of complete machine is fluid centrifugation cross-flow effect device, perhaps still includes one-level or the more than one-level flow negative pressure amplification structure. The large-flow high-total-pressure reloading centrifugal cross-flow fan gets rid of respective weaknesses of the traditional axial flow fan and the centrifugal fan and realizes perfect unification of the advantages of the traditional axial flow fan and the centrifugal fan, has ultrahigh total pressure and ultrahigh air output capacity, has high working efficiency and small volume, is connected in series for use, simplifies an air duct structure, and can meet the requirements of production and large-scale engineering of large and ultra-large industrial and mining enterprises, such as tunnel engineering on ultrahigh air supply and exhaust wind power.
Description
Technical Field
The utility model relates to a fluid action technique, in particular to large-traffic high full pressure centrifugal cross flow fan of reassembling.
Background
The centrifugal impeller of the fluid centrifugal cross-flow action device is driven by a driving source to rotate, so that fluid is input from an inlet (or called an inlet) of the centrifugal cross-flow guide cylinder; the fluid is acted by a centrifugal impeller (fluid driving device), so that the fluid reaches the flow guide surface of the flow guide structure body in the direction vertical to the axis of the centrifugal through-flow cylinder body; under the action of structural flow guidance set by the flow guidance surface of the flow guidance structure body, the flow direction of the fluid is changed from the direction vertical to the axis of the centrifugal through-flow guidance cylinder body to flow around the axis of the centrifugal through-flow guidance cylinder body or parallel to the axis of the centrifugal through-flow guidance cylinder body, so that a fluid centrifugal through-flow action mode is obtained.
When the fluid centrifugal cross-flow action device is applied to a fan, under a specific use scene, the output air of the centrifugal cross-flow fan is required to have higher output pressure, and the air quantity in the centrifugal cross-flow fan is required to be higher. Therefore, how to actually obtain a centrifugal cross-flow fan with large flow and high full pressure is a big problem to be solved in the research and development of the fluid centrifugal cross-flow device.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a large-flow high-full-pressure reloading centrifugal cross-flow fan, which comprises at least one stage of fluid centrifugal cross-flow action device and at least one stage of fluid pressurization output structure body;
the fluid centrifugal through-flow action device comprises a centrifugal impeller and a centrifugal through-flow guide cylinder; a flow guide structure body is arranged on the inner surface of the centrifugal through-flow guide cylinder body; a centrifugal impeller is arranged in the inner space of the flow guide structure body;
the fluid pressurization output structure is an axial flow impeller for improving dynamic pressure of output fluid; the centrifugal impeller and the axial-flow impeller are jointly deployed in the centrifugal through-flow guide cylinder, and the axial-flow impeller is positioned behind the fluid outflow end of the guide structure body.
Further, a driving source is also included; the driving source is arranged in the centrifugal through-flow guide cylinder; the centrifugal impeller and the axial-flow impeller are driven by the same drive source.
Further, a driving source is also included; the centrifugal impeller and the axial-flow impeller are respectively driven by separate driving sources.
Further, a cone pulley frame is fixedly arranged on the centrifugal through-flow guide cylinder; the centrifugal impeller is arranged on one rotating shaft, and the axial flow impeller is arranged on the other rotating shaft; the centrifugal impeller and the axial flow impeller are respectively and rotatably connected to two sides of the cone pulley frame through the rotating shaft; the driving source is arranged on the outer side of the centrifugal through-flow guide cylinder;
the driving source is connected with a cone pulley shaft which is radially inserted into the centrifugal through-flow guide cylinder in a driving way; the cone pulley shaft is radially inserted into the cone pulley frame and is rotationally connected to the cone pulley frame; one end of the cone pulley shaft in the centrifugal through-flow guide cylinder body is provided with a driving cone pulley; one end of each of the two rotating shafts is provided with a driven cone pulley; the driving cone pulley is connected with the driven cone pulley in a matching mode.
Further, a driving source is also included;
the driving source is arranged at the fluid input end of the fluid centrifugal cross-flow action device at the first stage and is positioned outside the fluid centrifugal cross-flow action device; the driving source is in transmission connection with the centrifugal impeller and the axial flow impeller which are arranged in the centrifugal through-flow guide cylinder body.
Furthermore, a single general shaft structure is adopted between the axial flow impeller and the centrifugal impeller.
Further, the axial flow impeller and the centrifugal impeller are respectively provided with a sub-driving shaft structure, and the sub-driving shafts of the axial flow impeller and the centrifugal impeller are structurally provided with a shaft structure which is connected with each other into a whole to transmit a power source of a main driving source.
Further, the drive source is an electric drive source or a hydraulic drive source.
Furthermore, at least one stage of fluid auxiliary inlet is arranged behind the cylinder body of the centrifugal through-flow guide cylinder body relative to the fluid output end in which the guide structure is arranged; and the fluid auxiliary inlet is communicated with the inner space of the centrifugal through-flow guide cylinder body to form a fluid flow expansion structure.
Further, the kit also comprises an outlet flow negative pressure amplification structure;
the outlet end flow negative pressure amplification structure body is provided with a radial outlet end fluid auxiliary inlet; the outlet end fluid auxiliary inlet is an inlet of the outlet end external fluid input channel.
The utility model provides a large-traffic high total pressure centrifugal cross flow fan of reassembling abandons traditional axial fan and centrifugal fan's weak point separately and realizes perfect unity with advantage between them, has super high total pressure and super large amount of wind output capacity, and work efficiency is high, and is small, concatenates and uses and simplify the wind channel structure, can satisfy large-scalely, production and large-scale engineering of super large-scale industrial and mining enterprises, send the wind-force needs of airing exhaust like tunnel engineering's super large.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a first embodiment of a fluid centrifugal cross-flow device according to the present invention;
FIG. 2 is a schematic structural view of a first embodiment of a high-flow, high-total-pressure reloading centrifugal cross-flow fan according to the present invention;
FIG. 3 is a schematic structural view of a second embodiment of a large-flow high-total-pressure reloading centrifugal cross-flow fan according to the present invention;
FIG. 4 is a schematic structural diagram of a first embodiment of an outlet flow negative pressure amplification structure of a fluid action device according to the present invention;
fig. 5 is a schematic structural diagram of a first embodiment of a fluid centrifugal cross-flow device with a fluid pressurization output structure according to the present invention.
Reference numerals:
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 2 is a schematic structural view of a first embodiment of a large-flow high-total-pressure reloading centrifugal cross-flow fan, as shown in fig. 2, the utility model provides a large-flow high-total-pressure reloading centrifugal cross-flow fan, which comprises at least one stage of fluid centrifugal cross-flow action device and at least one stage of fluid supercharging output structure;
the fluid centrifugal cross-flow action device comprises a centrifugal impeller 100 and a centrifugal cross-flow guide cylinder 200; a flow guide structure body 210 is arranged on the inner surface of the centrifugal through-flow guide cylinder body 200; a centrifugal impeller 100 is disposed in the inner space of the flow guide structure body 210;
the fluid pressurization output structure 600 is an axial flow impeller for increasing the dynamic pressure of the output fluid; the centrifugal impeller 100 and the axial-flow impeller are disposed in the centrifugal through-flow guide cylinder 200 together, and the axial-flow impeller is located behind the fluid outflow end of the guide structure 210.
Further, a driving source is also included; the driving source is arranged in the centrifugal through-flow guide cylinder 200; the centrifugal impeller 100 and the axial-flow impeller are driven by the same driving source.
Further, a driving source is also included; the centrifugal impeller 100 and the axial-flow impeller are driven by separate driving sources, respectively.
Further, a cone pulley frame is fixedly arranged on the centrifugal through-flow guide cylinder 200; the centrifugal impeller 100 is arranged on one rotating shaft, and the axial flow impeller is arranged on the other rotating shaft; the centrifugal impeller 100 and the axial flow impeller are respectively and rotatably connected to two sides of the cone pulley frame through the rotating shaft; the driving source is arranged outside the centrifugal through-flow guide cylinder 200;
the driving source is connected with a bevel wheel shaft which is radially inserted into the centrifugal through-flow guide cylinder body 200 in a driving way; the cone pulley shaft is radially inserted into the cone pulley frame and is rotationally connected to the cone pulley frame; one end of the cone pulley shaft in the centrifugal through-flow guide cylinder body 200 is provided with a driving cone pulley; one end of each of the two rotating shafts is provided with a driven cone pulley; the driving cone pulley is connected with the driven cone pulley in a matching mode.
Further, a driving source is also included;
the driving source is arranged outside the centrifugal through-flow guide cylinder 200; the driving source is in transmission connection with a transmission shaft which radially extends out of the cylinder body.
Further, a driving source is also included;
the driving source is arranged at the fluid input end of the fluid centrifugal cross-flow action device at the first stage and is positioned outside the fluid centrifugal cross-flow action device; the driving source is in transmission connection with the centrifugal impeller 100 and the axial flow impeller which are arranged in the centrifugal through-flow guide cylinder 200.
Further, a single total shaft structure is adopted between the axial flow impeller 1 and the centrifugal impeller 100.
Further, the axial flow impeller and the centrifugal impeller 100 are respectively provided with a sub-driving shaft structure, and the sub-driving shafts of the axial flow impeller and the centrifugal impeller are structurally provided with a shaft structure which is connected with each other as a whole to transmit a power source of a main driving source.
Further, the drive source is an electric drive source or a hydraulic drive source.
Further, as shown in fig. 3, at least one stage of auxiliary fluid inlet 420 is arranged behind the barrel body of the centrifugal through-flow guide barrel 200 relative to the fluid output end of the internal guide structure 210; the fluid auxiliary inlet 420 is communicated with the inner space of the centrifugal through-flow guide cylinder 200 to form a fluid flow expansion structure. When the fast flowing internal fluid flows through the secondary fluid inlet 420, a negative pressure (smaller than the external fluid pressure) is generated at the position, namely, a pressure difference is formed between the inside and the outside of the secondary fluid inlet 420, and under the action of the pressure difference, the external fluid of the secondary fluid inlet 420 is forced into the inside of the secondary fluid inlet 420, so that the purpose of fluid input amplification is achieved.
Further, the negative pressure amplification structure 430 with outlet flow rate is also included;
the outlet flow negative pressure amplification structure 430 is provided with a radial outlet fluid auxiliary inlet 432; the outlet fluid secondary inlet 432 is the inlet of the outlet external fluid inlet channel 431.
It should be noted that the present invention provides a centrifugal cross-flow action device for a large-flow high-total-pressure reloading centrifugal cross-flow fan, which is configured with reference to the contents of fig. 1.
Fig. 1 is a schematic structural diagram of a first embodiment of a fluid centrifugal cross-flow action device provided by the present invention, and as shown in fig. 1, the fluid centrifugal cross-flow action device provided by the first embodiment includes a centrifugal impeller 100 and a centrifugal cross-flow guide cylinder 200; a flow guide structure 210 is disposed on an inner surface of the centrifugal through-flow guide cylinder 200, and the centrifugal impeller 100 is disposed in an inner space of the flow guide structure 210.
In specific implementation, the flow guiding structure 210 may be composed of a plurality of flow guiding strips extending along the axial direction, or may be an integrally formed structure with a flow guiding function.
In specific implementation, the centrifugal through-flow guide cylinder 200 may be formed by combining the entire outer surface of the guide structure 210, or may be an independent outer sleeve structure. The independent outer sleeve structure can be prepared by winding rigid materials, flexible material structures or strip materials and preparing high polymer materials.
The fluid centrifugal through-flow action device provided by the first embodiment has the action principle that: the centrifugal impeller 100 is driven by a driving source to rotate, so that fluid is input from an inlet of the centrifugal through-flow guide cylinder 200; the fluid is acted by the centrifugal impeller 100, so that the fluid reaches the flow guide surface 212 of the flow guide structure body 210 in a direction perpendicular to the axis of the centrifugal through-flow cylinder body 200; under the action of the structural flow guidance set by the flow guidance surface 212 of the flow guidance structure 210, the fluid flow direction is changed from the direction vertical to the axial line of the centrifugal through-flow guidance cylinder 200 to the direction around the axial line of the centrifugal through-flow guidance cylinder 200 or the direction parallel to the axial line of the centrifugal through-flow guidance cylinder 200, so that a fluid centrifugal through-flow action mode is obtained.
The turbine type fluid centrifugal through-flow action device can achieve the aims that fluid enters in a centrifugal mode and is output in an axial flow mode by means of the cooperative combination of the centrifugal impeller and the centrifugal through-flow guide cylinder, and the advantages of the axial flow fluid action device and the centrifugal fluid action device are combined more optimally. The centrifugal through-flow action device not only realizes series installation and use in the fluid passage, is beneficial to simplification and optimal design of the fluid passage, but also can improve the working efficiency of fluid drive, and can obviously reduce the volume of the fluid action device.
It should be noted that the present invention provides an outlet flow negative pressure amplification structure for a large-flow high-total-pressure reloading centrifugal cross-flow fan, which is configured with reference to the contents of fig. 4.
Fig. 4 is a schematic structural diagram of a first outlet flow negative pressure amplification structure of a fluid action apparatus according to an embodiment of the present invention, and as shown in fig. 3, an outlet flow negative pressure amplification structure 430 provided in the first outlet flow negative pressure amplification structure is a housing including an outlet inner fluid channel 431 and an outlet outer fluid input channel 432; the outlet of the outlet outer fluid inlet passage 432 communicates with the outlet inner fluid passage 431.
Further, as shown in fig. 4, the outlet internal fluid channel 431 extends along the axial direction of the outlet flow negative pressure amplification structure 430.
Further, as shown in fig. 4, the outlet flow rate negative pressure amplification structure 430 is provided with a radial outlet fluid auxiliary inlet 433; the outlet fluid secondary inlet 433 is the inlet to the outlet external fluid inlet channel 432.
When the outlet end flow negative pressure amplification structure is applied to the fluid action device, the fluid channel in the outlet end is a fluid flow guide channel of the fluid action device; when the fluid flowing inside the fluid action device flows at a high speed in the fluid channel in the outlet end, the fluid generates negative pressure relative to the inlet of the fluid input channel outside the outlet end at the inlet of the fluid input channel outside the outlet end, and under the action of the negative pressure, the outer fluid flows into the fluid channel in the outlet end from the inlet of the fluid channel outside the outlet end to participate in the flow of the inner fluid, so that the flow expansion is realized. In addition, the outlet flow negative pressure amplification structure and the flow guide body of the fluid action device can be of an integrally formed structure or a combined structure.
It should be noted that the present invention provides a fluid pressurization output structure for a large-flow high-total-pressure reloading centrifugal cross-flow fan, which is configured with reference to fig. 5.
In order to meet the requirement of the actual requirement of the high dynamic pressure (or high total pressure) of the fluid output by the fluid action device, or the requirement of the use scene that the dynamic-static pressure conversion structure or device arranged by the fluid action device obtains the high static pressure of the output fluid, the utility model provides a fluid centrifugal cross-flow action device with a fluid pressurization output structural body, fig. 5 is the structure schematic diagram of the first embodiment of the fluid centrifugal cross-flow action device with the fluid pressurization output structural body, as shown in fig. 5, the fluid centrifugal cross-flow action device provided by the first embodiment of the fluid centrifugal cross-flow action device with the fluid pressurization output structural body comprises a centrifugal impeller 100, a centrifugal cross-flow guide cylinder 200 and a fluid pressurization output structural body 600; the fluid pressurization output structure 600 is an impeller for increasing the dynamic pressure of the output fluid; the fluid pressurization output structure 600 is deployed within the centrifugal flow-through diversion cylinder 200, with the fluid pressurization output structure 600 located behind the fluid outflow end of the diversion structure.
When the centrifugal cross-flow guide cylinder is used, high-speed fluid which is input by a centrifugal impeller and flows out from the output end of the centrifugal cross-flow guide cylinder 200 through the guide structure body is subjected to work again by the fluid pressurization output structure body 600, so that the output fluid dynamic pressure of the centrifugal cross-flow action device is further improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A large-flow high-full-pressure reloading centrifugal cross-flow fan is characterized in that: comprises at least one stage of fluid centrifugal cross-flow action device and at least one stage of fluid pressurization output structure body;
the fluid centrifugal through-flow action device comprises a centrifugal impeller and a centrifugal through-flow guide cylinder; a flow guide structure body is arranged on the inner surface of the centrifugal through-flow guide cylinder body; a centrifugal impeller is arranged in the inner space of the flow guide structure body;
the fluid pressurization output structure is an axial flow impeller for improving dynamic pressure of output fluid; the centrifugal impeller and the axial-flow impeller are jointly deployed in the centrifugal through-flow guide cylinder, and the axial-flow impeller is positioned behind the fluid outflow end of the guide structure body.
2. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 1 wherein: also includes a driving source; the driving source is arranged in the centrifugal through-flow guide cylinder; the centrifugal impeller and the axial-flow impeller are driven by the same drive source.
3. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 1 wherein: also includes a driving source; the centrifugal impeller and the axial-flow impeller are respectively driven by separate driving sources.
4. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 1 wherein: also includes a driving source; a cone pulley frame is fixedly arranged on the centrifugal through-flow guide cylinder; the centrifugal impeller is arranged on one rotating shaft, and the axial flow impeller is arranged on the other rotating shaft; the centrifugal impeller and the axial flow impeller are respectively connected to two sides of the cone pulley frame in a rotating manner through rotating shafts; the driving source is arranged on the outer side of the centrifugal through-flow guide cylinder;
the driving source is connected with a cone pulley shaft which is radially inserted into the centrifugal through-flow guide cylinder in a driving way; the cone pulley shaft is radially inserted into the cone pulley frame and is rotationally connected to the cone pulley frame; one end of the cone pulley shaft in the centrifugal through-flow guide cylinder body is provided with a driving cone pulley; one end of each of the two rotating shafts is provided with a driven cone pulley; the driving cone pulley is connected with the driven cone pulley in a matching mode.
5. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 1 wherein: also includes a driving source;
the driving source is arranged at the fluid input end of the fluid centrifugal cross-flow action device at the first stage and is positioned outside the fluid centrifugal cross-flow action device; the driving source is in transmission connection with the centrifugal impeller and the axial flow impeller which are arranged in the centrifugal through-flow guide cylinder body.
6. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 5 wherein: a single general shaft structure is adopted between the axial flow impeller and the centrifugal impeller.
7. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 5 wherein: the axial flow impeller and the centrifugal impeller are respectively provided with a sub-driving shaft structure, and the sub-driving shafts of the axial flow impeller and the centrifugal impeller are structurally provided with a shaft structure which is connected with each other to form a whole body so as to transmit a power source of a main driving source.
8. The large-flow high-full-pressure reloading centrifugal crossflow fan according to any one of claims 2 to 5, characterized in that: the driving source is an electric driving source or a hydraulic driving source.
9. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 1 wherein: the cylinder body of the centrifugal through-flow guide cylinder body is provided with at least one stage of auxiliary fluid inlet relative to the rear of the fluid output end in which the guide structure body is arranged; and the fluid auxiliary inlet is communicated with the inner space of the centrifugal through-flow guide cylinder body to form a fluid flow expansion structure.
10. The high flow rate high full pressure reloading centrifugal crossflow blower of claim 1 wherein: the kit also comprises an outlet flow negative pressure amplification structure;
the outlet end flow negative pressure amplification structure body is provided with a radial outlet end fluid auxiliary inlet; the outlet end fluid auxiliary inlet is an inlet of the outlet end external fluid input channel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018114480750 | 2018-11-29 | ||
| CN201811448075 | 2018-11-29 |
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|---|---|
| CN211874764U true CN211874764U (en) | 2020-11-06 |
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| CN201922108723.4U Active CN211370786U (en) | 2018-11-29 | 2019-11-29 | Flow amplification type fluid centrifugal through-flow action device |
| CN201922108275.8U Active CN211901014U (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow water navigation body propulsion device and application equipment |
| CN201922106595.XU Active CN211901013U (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal through-flow device with external driving source and fan |
| CN201922108297.4U Active CN211874764U (en) | 2018-11-29 | 2019-11-29 | Large-flow high-full-pressure reloading centrifugal cross-flow fan |
| CN201911205910.2A Pending CN111237214A (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow air vehicle traction device and application |
| CN201911203657.7A Pending CN111237213A (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal through-flow device with external driving source and fan |
| CN201922108714.5U Active CN211874765U (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow high-jet-speed water and mist injection device |
| CN201911207678.6A Active CN111237217B (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal through-flow action structure |
| CN201911205943.7A Pending CN111237215A (en) | 2018-11-29 | 2019-11-29 | Large-flow high-full-pressure reloading centrifugal cross-flow fan |
| CN201922106598.3U Active CN211370785U (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow propulsion device for diving |
| CN201922107462.4U Active CN211874763U (en) | 2018-11-29 | 2019-11-29 | Radial output shaft fluid disrotatory action device and fan |
| CN201911203654.3A Pending CN111237212A (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal cross-flow action device without driving source and fan |
| CN201911205948.XA Pending CN111237216A (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow water navigation body propulsion device and application |
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| CN201922108723.4U Active CN211370786U (en) | 2018-11-29 | 2019-11-29 | Flow amplification type fluid centrifugal through-flow action device |
| CN201922108275.8U Active CN211901014U (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow water navigation body propulsion device and application equipment |
| CN201922106595.XU Active CN211901013U (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal through-flow device with external driving source and fan |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911205910.2A Pending CN111237214A (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow air vehicle traction device and application |
| CN201911203657.7A Pending CN111237213A (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal through-flow device with external driving source and fan |
| CN201922108714.5U Active CN211874765U (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow high-jet-speed water and mist injection device |
| CN201911207678.6A Active CN111237217B (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal through-flow action structure |
| CN201911205943.7A Pending CN111237215A (en) | 2018-11-29 | 2019-11-29 | Large-flow high-full-pressure reloading centrifugal cross-flow fan |
| CN201922106598.3U Active CN211370785U (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow propulsion device for diving |
| CN201922107462.4U Active CN211874763U (en) | 2018-11-29 | 2019-11-29 | Radial output shaft fluid disrotatory action device and fan |
| CN201911203654.3A Pending CN111237212A (en) | 2018-11-29 | 2019-11-29 | Fluid centrifugal cross-flow action device without driving source and fan |
| CN201911205948.XA Pending CN111237216A (en) | 2018-11-29 | 2019-11-29 | Centrifugal through-flow water navigation body propulsion device and application |
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| WO (1) | WO2020108655A1 (en) |
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| CN113884267B (en) * | 2021-12-07 | 2022-02-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | Transient jet flow test device for pulse wind tunnel |
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| CN211874765U (en) | 2020-11-06 |
| CN211370786U (en) | 2020-08-28 |
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| CN111237217B (en) | 2022-08-30 |
| CN111237213A (en) | 2020-06-05 |
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| CN211901014U (en) | 2020-11-10 |
| CN111237216A (en) | 2020-06-05 |
| CN211874763U (en) | 2020-11-06 |
| CN211901013U (en) | 2020-11-10 |
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