Air suspension turbine device for spraying rotary cup
By designing an air-suspended turbine device, high-pressure gas is used to form a lubricating film and multi-stage air inlets, solving the friction and wear problems of turbine machinery and achieving high-speed and long-life turbine machinery.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG FENGZHAN COATING TECH CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-04-17
AI Technical Summary
Existing turbomachinery using ball bearings or oil film bearings suffers from mechanical friction, wear, the need for a lubrication system, and speed limitations. Furthermore, magnetic levitation bearings are costly and rely on complex active control systems, which reduces the service life of the turbomachinery.
It adopts an air-suspended turbine device, which uses high-pressure gas to form a lubricating film to achieve contactless support between the rotor and the bearing. It uses lightweight composite materials and a multi-stage reduced air intake design to improve suspension pressure and stability. The rotor speed can reach hundreds of thousands of revolutions per minute.
It achieves low friction loss, improves the service life and speed of turbine machinery, reduces mechanical friction and wear, and improves self-lubrication effect.
Smart Images

Figure CN224134707U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of turbine technology, and more particularly to an air-suspended turbine device for spraying rotary cups. Background Technology
[0002] A turbine is a fan in a car or airplane engine that uses exhaust gases to blow fuel vapor into the engine to improve engine performance. A turbine is a rotary power machine that converts the energy of a flowing working fluid into mechanical work.
[0003] Existing turbomachinery uses ball bearings or oil film bearings, which have problems such as mechanical friction, wear, the need for a lubrication system, and limited speed (usually <100,000 rpm). Magnetic levitation bearings are expensive and rely on a complex active control system, which reduces the service life of the turbomachinery. Utility Model Content
[0004] This application provides an air suspension turbine device for spraying rotary cups to solve the problems of mechanical friction, wear, need for lubrication system, and limited speed in turbine machinery using ball bearings or oil film bearings.
[0005] This application provides an air-suspension turbine device for spraying rotary cups, comprising a device body, a turbine rotor rotatably connected to the inner wall of the device body, an impeller body fixedly connected to the outer wall of the turbine rotor, an air inlet on the outer wall of the device body, a first compression hole on the inner wall of the device body, a second compression hole on one side of the first compression hole, a third compression hole on one side of the second compression hole, a fourth compression hole on the inner wall of the device body, a compression chamber on one side of the fourth compression hole, a fifth compression hole on one side of the compression chamber, a sixth compression hole on one side of the fifth compression hole, and a suspension hole on the inner wall of the device body.
[0006] Preferably, the diameter of the air inlet is 3.0 mm.
[0007] Preferably, the outer wall contour of the impeller body is a semi-circular structure, and the overall material of the impeller body is a lightweight composite material.
[0008] Preferably, the diameter of the first compression hole and the third compression hole is 2.0 mm.
[0009] Preferably, the third compression hole is arranged in two radially suspended groups, with eight air outlet holes in each group.
[0010] Preferably, the diameter of the fourth compression hole is 2.0 mm.
[0011] Preferably, the suspension holes are arranged in groups of longitudinal suspension, and each group of arrays has 8 air outlets.
[0012] Beneficial effects:
[0013] Considering that existing turbomachinery uses ball bearings or oil film bearings, there are problems such as mechanical friction, wear, the need for a lubrication system, and limited speed (usually <100,000 rpm), while magnetic levitation bearings are expensive and rely on a complex active control system, which reduces the service life of the turbomachinery.
[0014] To improve the self-lubrication effect and service life of turbine machinery, a lubricating film is formed by high-pressure gas, achieving contactless support between the rotor and bearings with extremely low friction loss. The theoretical speed can reach hundreds of thousands of revolutions per minute. Furthermore, the suspension adopts a method of compressing air using four sets of multi-stage narrow air inlets, which enhances the suspension pressure and makes the suspension cavity pressure more stable. In addition, the turbine rotor is made of lightweight composite material, and the impeller adopts a semi-arc structure to optimize its load.
[0015] The above description is merely an overview of the technical solutions of the embodiments of this application. In order to better understand the technical means of the embodiments of this application and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of this application more obvious and understandable, specific implementation methods of this application are described below. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the overall structure of an air suspension turbine device for spraying rotary cups according to the present invention.
[0018] Figure 2 This is a schematic cross-sectional view of the overall structure of an air suspension turbine device for spraying rotary cups according to the present invention.
[0019] Figure 3 This is an enlarged structural schematic diagram of the turbine rotor position distribution of an air suspension turbine device for spraying rotary cups according to the present invention.
[0020] Figure 4 This is a schematic diagram of the turbine rotor structure of an air suspension turbine device for spraying rotary cups according to the present invention, from another direction.
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Main body of the device; 2. Turbine rotor; 3. Impeller body; 4. Air inlet; 5. First compression port; 6. Second compression port; 7. Third compression port; 8. Fourth compression port; 9. Compression chamber; 10. Fifth compression port; 11. Sixth compression port; 12. Suspension port. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion.
[0025] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0026] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of this application. For example, in the description of this application, terms such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0027] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" in mechanical structures can refer to a physical connection, such as a fixed connection, for example, a connection fixed by fasteners, such as a connection fixed by screws, bolts, or other fasteners; a physical connection can also be a detachable connection, such as a snap-fit or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0028] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
[0029] This utility model provides, for example Figure 1-4 The air suspension turbine device for spraying rotary cups shown includes a device body 1, a turbine rotor 2 rotatably connected to the inner wall of the device body 1, an impeller body 3 fixedly connected to the outer wall of the turbine rotor 2, an air inlet 4 on the outer wall of the device body 1, a first compression hole 5 on the inner wall of the device body 1, a second compression hole 6 on one side of the first compression hole 5, a third compression hole 7 on one side of the second compression hole 6, a fourth compression hole 8 on the inner wall of the device body 1, a compression chamber 9 on one side of the fourth compression hole 8, a fifth compression hole 10 on one side of the compression chamber 9, a sixth compression hole 11 on one side of the fifth compression hole 10, and a suspension hole 12 on the inner wall of the device body 1.
[0030] The diameter of the air inlet 4 is 3.0 mm.
[0031] The 3.0mm diameter of the air inlet 4 facilitates convenient gas input.
[0032] The outer wall of the impeller body 3 has a semi-circular structure, and the overall material of the impeller body 3 is a lightweight composite material.
[0033] The semi-circular outer wall profile of the impeller body 3 is designed to improve the load performance of the impeller body 3.
[0034] The diameter of the first compression hole 5 and the third compression hole 7 is 2.0 mm.
[0035] The 2.0mm diameter of the first compression hole 5 and the third compression hole 7 allows the air pressure to gradually increase through continuous diameter changes, thus making the suspension more stable.
[0036] The third compression hole 7 is arranged in two radially suspended groups, one above the other, with eight air outlet holes in each group.
[0037] This design facilitates convenient air pressure lubrication by having the third compression hole 7 arranged in two radially suspended groups, one above the other.
[0038] The fourth compression hole 8 has a diameter of 2.0 mm.
[0039] It is advantageous to achieve the effect of continuous air pressure delivery through the fourth compression hole 8, which has a diameter of 2.0mm.
[0040] Among them, the suspension holes 12 are arranged in 4 groups of longitudinal suspension, and each group of arrays has 8 air outlets.
[0041] The four sets of longitudinally suspended suspension holes 12 facilitate the formation of a lubricating film by high-pressure gas, achieving contactless support between the rotor and bearings and resulting in extremely low friction loss.
[0042] Working principle: When using this air suspension turbine device for spraying rotary cups, it is necessary to improve the self-lubrication effect of the turbine machinery and extend its service life. High-pressure gas forms a lubricating film to achieve contactless support between the rotor and the bearing, resulting in extremely low friction loss. The theoretical speed can reach hundreds of thousands of revolutions per minute. The suspension adopts a method of compressing air using four sets of multi-stage narrow air inlets, which enhances the suspension pressure and makes the suspension cavity pressure more stable. Furthermore, the turbine rotor 2 is made of lightweight composite material, and the impeller adopts a semi-arc structure to optimize its load.
[0043] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. An air suspension turbine device for a spray cup, comprising a device body (1), characterized in that: The inner wall of the device body (1) is rotatably connected to a turbine rotor (2), and the outer wall of the turbine rotor (2) is fixedly connected to an impeller body (3). An air inlet (4) is provided on the outer wall of the device body (1). A first compression hole (5) is provided on the inner wall of the device body (1). A second compression hole (6) is provided on one side of the first compression hole (5). A third compression hole (7) is provided on one side of the second compression hole (6). A fourth compression hole (8) is provided on the inner wall of the device body (1). A compression chamber (9) is provided on one side of the fourth compression hole (8). A fifth compression hole (10) is provided on one side of the compression chamber (9). A sixth compression hole (11) is provided on one side of the fifth compression hole (10). A suspension hole (12) is provided on the inner wall of the device body (1).
2. An air suspension turbine device for a spray spin cup according to claim 1, wherein: The diameter of the air inlet (4) is 3.0 mm.
3. An air suspension turbine device for a spray spin cup as defined in claim 1, wherein: The outer wall contour of the impeller body (3) is a semi-arc structure, and the overall material of the impeller body (3) is a lightweight composite material.
4. An air suspension turbine means for a spray spin cup as claimed in claim 1 wherein: The diameter of the first compression hole (5) and the third compression hole (7) is 2.0 mm.
5. An air suspension turbine means for a spray spin cup according to claim 1 wherein: The third compression hole (7) is arranged in two radially suspended groups, with eight air outlet holes in each group.
6. An air suspension turbine means for a spray spin cup according to claim 1 wherein: The diameter of the fourth compression hole (8) is 2.0 mm.
7. An air suspension turbine for a spray cup according to claim 1 wherein: The suspension holes (12) are arranged in four groups of longitudinal suspension, and each group has eight air outlets.