Cool-feeling seat cushion
Patent Information
- Application Number
- PCT/CN2026/085655
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-03-26
- Filing Date
- 2026-03-24
- Publication Date
- 2026-10-01
Smart Images

Figure CN2026085655_01102026_PF_FP_ABST
Abstract
Description
Cooling seat cushion Technical Field
[0001] This application relates to the field of seat cushions, and more particularly to a cooling seat cushion. Background Technology
[0002] When the weather gets warmer, sitting for long periods can cause heat to build up between the body and the chair surface. This increases the temperature of the buttocks and back, leading to sweating and creating a hot and humid environment. This can make it difficult to concentrate at work and can also cause skin conditions such as prickly heat and eczema.
[0003] Currently, many chairs and cushions on the market have built-in fans. Their working principle involves a fan generating airflow that is blown out through a perforated seat surface. This airflow is directed towards the buttocks and back to accelerate the evaporation of sweat from the skin, thus cooling it. However, this method of cooling the skin through airflow is not very effective in chairs because the seat surface reduces the amount of air reaching the upper part of the seat. Due to structural limitations, chairs require air-guiding frames and comfort features, necessitating thicker fabrics like cotton, sponge, or foam for the seat surface. This reduces the amount of air reaching the skin, affecting the cooling effect. Even with additional ventilation holes to increase the airflow area, the majority of the contact area between the body and the seat remains the seat surface. Furthermore, the poor breathability of this contact area allows heat to accumulate after prolonged sitting, further hindering cooling. Summary of the Invention
[0004] To address the shortcomings of related technologies, this application provides a cooling seat cushion that can improve the cooling effect.
[0005] This application is achieved through the following technical solution.
[0006] A cooling seat cushion includes a cushion body, the cushion body comprising:
[0007] The top layer is in direct contact with the biological heat source and includes a heat-conducting component for conducting heat from the biological heat source.
[0008] The airflow channel contains active airflow, which carries away the heat emitted by the heat-conducting component as it flows over its surface.
[0009] The cooling seat cushion also includes a fan mounting section, which is used to install a fan that generates active airflow; the airflow channel is fluidly connected to the fan's air outlet.
[0010] In some embodiments, the heat-conducting element includes a support portion supporting the bio-heat source and an extension portion connected to the support portion and extending toward a first side of the support portion away from the support portion, wherein
[0011] At least part of the extension is located in the airflow channel, and the extension is used to dissipate the heat conducted by the heat conductor into the airflow channel.
[0012] Furthermore, the seat cushion body also includes an internal space located below the top layer, and the airflow channel includes a first airflow channel located in the internal space;
[0013] The extension extends toward the interior space and into the first airflow channel to contact the active airflow.
[0014] Furthermore, the support extends generally along the top plane.
[0015] Furthermore, several support parts are provided and spaced apart from each other; each support part is connected to its own extension part, and a second airflow channel is formed between the extension parts of adjacent support parts, and the active airflow can flow in the second airflow channel and carry away the heat emitted by the extension parts.
[0016] When the active airflow flows in the second airflow channel, it can come into contact with the human body.
[0017] Furthermore, the second airflow channel is located on the upper surface of the top layer.
[0018] Furthermore, the support extends generally along the top plane.
[0019] Furthermore, the seat cushion body also includes an internal space located below the top layer, and a number of connecting holes are provided in the second airflow channel to fluidly connect the second airflow channel and the internal space.
[0020] Active airflow can pass through the connecting hole to flow from the internal space into the second airflow channel.
[0021] Furthermore, a support frame is provided in the interior space, and a first opening communicating with the interior space is provided on the seat body. The support frame is detachably installed in the interior space and can be inserted or removed through the first opening.
[0022] In some embodiments, the heat-conducting element includes a support portion supporting the bio-heat source and an extension portion connected to the support portion and extending to a first side of the support portion away from the support portion. The extension portion communicates with an airflow channel and is used to dissipate the heat conducted by the heat-conducting element into the airflow channel.
[0023] In some embodiments, the seat cushion body also includes an internal space located below the top layer, an airflow channel located in the internal space, and at least a portion of the extension located in the internal space.
[0024] In some embodiments, the cushion body includes a base connected below the top layer, forming an internal space between the base and the top layer. A support frame supporting the top layer is disposed within the internal space, and an air guide structure is disposed on the support frame. The airflow channel includes a first airflow channel, and the air guide structure forms the first airflow channel.
[0025] In some embodiments, the top layer also includes a pad disposed above the support frame and between the support frame and the heat-conducting element.
[0026] In some embodiments, a groove is provided above the cushion, and the support is fixed in the groove.
[0027] In some embodiments, the top layer includes a base placed on a support frame, and a plurality of support blocks are formed on the base extending away from the base in a second direction. The plurality of support blocks are spaced apart from each other, and the upper surfaces of the plurality of support blocks together form a first surface on the top layer for supporting a biological heat source.
[0028] In some embodiments, the seat cushion body also includes an internal space located below the top layer, an airflow channel located in the internal space, and a connecting hole communicating with the internal space is provided through the base at the gap between the support blocks.
[0029] In some embodiments, a heat-conducting element covers the surfaces of the support block and the base. The portion of the heat-conducting element covering the first surface constitutes a support portion of the heat-conducting element, and the portion of the heat-conducting element covering the sidewalls of the support block and the base constitutes an extension portion of the heat-conducting element.
[0030] In some embodiments, multiple support portions are provided and spaced apart from each other; each support portion is connected to its own extension portion, and a second airflow channel is formed between the extension portions of adjacent support portions. Active airflow enters the second airflow channel through the connecting hole and flows to carry away the heat emitted by the biological heat source.
[0031] In some embodiments, the thermally conductive element is made of thermally conductive fiber.
[0032] In some embodiments, the heat-conducting element includes a base and a support block, the upper surface of the support block constitutes a support portion of the heat-conducting element, and the sidewall of the support block and the upper surface of the base constitute an extension portion of the heat-conducting element. At least the support block is made of a thermally conductive material.
[0033] In some embodiments, the base and support block are integrally made of a thermally conductive material. The thermally conductive material is a thermally conductive gel or a thermally conductive silicone.
[0034] In some embodiments, the seat cushion body includes a base connected below the top layer, forming an internal space between the base and the top layer, and a support frame for supporting the top layer is disposed in the internal space. The support frame is an air fiber pad, and the air fibers form an air guiding structure.
[0035] In some embodiments, the seat cushion body is further provided with a first opening communicating with the internal space, and the support frame is detachably disposed in the internal space and can be inserted or removed through the first opening.
[0036] In some embodiments, the support extends generally along a first directional plane.
[0037] In some embodiments, the seat cushion body is connected to a fan mounting package that is in fluid communication with the airflow channel.
[0038] In some embodiments, the fan mounting package is provided with a second opening.
[0039] In some embodiments, the seat cushion body is further provided with an exhaust port for active airflow to be discharged, and the exhaust port is disposed through the side of the seat cushion body. Attached Figure Description
[0040] Figure 1 is a schematic diagram of the overall structure of a cooling seat cushion according to an embodiment of this application.
[0041] Figure 2 is a cross-sectional schematic diagram of the cooling seat cushion structure in Figure 1.
[0042] Figure 3 is a schematic diagram of the overall structure of another cooling seat cushion according to an embodiment of this application.
[0043] Figure 4 is a cross-sectional schematic diagram of the cooling seat cushion structure in Figure 3.
[0044] Figure 5 is an enlarged schematic diagram of part A of the structure in Figure 4.
[0045] Figure 6 is a schematic diagram illustrating the direction of heat conduction on the surface of a cooling seat cushion.
[0046] Figure 7 is a schematic diagram (II) used to illustrate the direction of heat conduction on the surface of the cooling seat cushion.
[0047] Figure 8 is a schematic diagram of the overall structure of another cooling seat cushion used to illustrate an embodiment of this application. Detailed Implementation
[0048] The following detailed, non-limiting description of the utility model technical solution, in conjunction with preferred embodiments and accompanying drawings, is provided. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings.
[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.
[0050] In this application, the first direction is the length or width direction of the cushion, and the second direction is the thickness direction of the cushion.
[0051] As shown in Figures 1 to 3, the cooling seat cushion of this application includes a seat cushion body 1, which includes a top layer 11 and an airflow channel 142. The top layer 11 is in direct contact with a biological heat source (e.g., the human body) and includes a heat-conducting element 3 for conducting heat from the human body. The seat cushion body 1 also has a fan mounting section 2 for mounting a fan 21. The fan 21 provides active airflow into the airflow channel 142, which guides the active airflow across the surface of the heat-conducting element 3, thereby carrying away the heat dissipated from the surface of the heat-conducting element 3 and accelerating heat dissipation.
[0052] The cooling seat cushion of this application allows the heat-conducting element 3 of the top layer 11 to quickly conduct heat from the user's buttocks when the user sits on the cushion surface, thus creating a cooling sensation. Furthermore, active airflow continuously dissipates heat from the heat-conducting element 3, ensuring timely removal of the heat conducted by the element and preventing heat buildup between the cushion surface and the user's buttocks. Compared to ordinary seat cushions, this design reduces the temperature between the user and the cushion surface during prolonged sitting, thus reducing sweating on the buttocks.
[0053] To enhance the cooling effect, in some embodiments, different parts of the heat-conducting element 3 are provided with a height difference to conduct heat away from the seat surface and the human body, and active airflow is used to accelerate the heat dissipation of the heat-conducting element 3 so as to continuously and quickly conduct heat away from the seat surface.
[0054] As shown in Figure 2, in one embodiment, the cushion body 1 includes a base 12 connected below the top layer 11, and an internal space 13 of the cushion body 1 is formed between the base 12 and the top layer 11. A fan mounting part 2 is disposed on the base 12 and is in fluid communication with the internal space 13, and the fan blows active airflow into the internal space 13. A support frame 14 supporting the top layer 11 is disposed in the internal space 13, and an air guiding structure 141 (i.e., airflow channel 142) is disposed on the support frame 14 to guide the active airflow to flow more evenly in the internal space 13. The heat-conducting element 3 includes a support part 31 for supporting the human body and an extension part 32 connected to the support part 31 and extending toward the internal space 13 below the top layer 11. Since the temperature between the human body and the cushion surface is high, the support part 31 is used to conduct heat dissipated from the human buttock area, realizing heat exchange between the heat-conducting element 3 and the human buttock, and transferring heat to the lower-temperature end of the extension part 32. By accelerating the airflow on the surface of the extension 32 through active airflow, the heat conducted by the extension 32 is dissipated into the internal space 13 and quickly dissipated with the active airflow.
[0055] In some embodiments, the upper surface of the support portion 31 extends substantially along a first direction plane, thereby increasing the heat conduction area between the support portion 31 and the human body and improving the heat dissipation and cooling effect. In some embodiments of this application, the heat-conducting element 3 can be made of a highly thermally conductive metal material, such as aluminum, copper, or aluminum alloy, or a highly thermally conductive composite material, such as thermally conductive plastic. To improve comfort, the top layer 11 also includes a cushion 4, which is disposed above the support frame 14 and between the support frame 14 and the heat-conducting element 3. The cushion 4 can be made of compressible sponge, foam, or soft rubber to improve the comfort of the user when sitting on the cushion surface.
[0056] In some embodiments, a plurality of spaced-apart support portions 31 are provided on the upper part of the top layer 11, and each support portion 31 is connected to its own extension portion 32. The support portions 31 are separated by a soft pad 4, which can improve the softness of the top layer 11, facilitate the top layer 11 to conform to the human buttocks and deform when changing sitting posture, thereby improving comfort.
[0057] In some embodiments of this application, a groove 41 is provided above the cushion 4, and the support 31 can be fixed in the groove 41 by adhesive to improve the appearance of the cooling cushion and enhance comfort. The air guiding structure 141 on the support frame 14 is configured as a plurality of air guiding grooves, and a first airflow channel 8 for active airflow is formed in the air guiding grooves. The extension 32 of the heat-conducting member 3 extends into the first airflow channel 8 and contacts the active airflow, thereby conducting and dissipating the heat between the cushion surface and the human body into the first airflow channel 8, so that the cushion surface can provide the user with a continuous cooling sensation.
[0058] In some embodiments, the seat cushion body 1 is further provided with an exhaust hole 18 for active airflow discharge, and the exhaust hole 18 may be disposed through the side of the seat cushion body 1.
[0059] As shown in Figures 3 to 6, in some alternative embodiments, the top layer 11 includes a base 5 placed on a support frame 14. A plurality of support blocks 51 extend from the base 5 toward the human body, spaced apart from each other. The upper surfaces of the support blocks 51 together form a first surface 16 on the top layer 11 for supporting the human body. A heat-conducting element 3 covers the surfaces of the support blocks 51 and the upper surface of the base 5. The portion covering the first surface 16 constitutes the support portion 31 of the heat-conducting element 3, and the portion covering the sidewalls of the support blocks 51 and the base 5 constitutes the extension portion 32 of the heat-conducting element 3. Since the first surface 16 is located above the base 5, a height difference is formed between the support portion 31 and the extension portion 32 of the heat-conducting element 3. The support portion 31 can conduct heat between the human buttocks and the surface of the cushion to the extension portion 32, which is away from the human body (refer to the dashed arrow in Figure 6 indicating the direction of heat conduction), thereby providing a cooling sensation to the surface of the cushion.
[0060] In some embodiments of this application, the sidewalls of adjacent support blocks 51 and the base 5 located in the gap between the sidewalls together form a second airflow channel 7 for active airflow. The active airflow flowing in the second airflow channel 7 can carry away the heat conducted by the support 31, thereby accelerating the heat conduction away from the support 31, improving the cooling effect of the cushion surface and enabling the cushion surface to provide a continuous cooling sensation.
[0061] In use, the first surface 16 is the surface on which the seat body 1 actually supports the human body. In some examples, the upper surface of the support block 51 extends substantially along the first direction plane to increase the heat conduction area between it and the human body. As shown in Figures 5 and 6, in some embodiments of this application, the base 5 and the support block 51 are integrally formed and can be made of materials such as foam or rubber. The heat-conducting element 3 is a cooling fabric 6 made of a highly thermally conductive material and is covered on the surfaces of the base 5 and the support block 51 by adhesive bonding.
[0062] It's important to note that cooling fabrics on the market come in various types, categorized by their cooling mechanism. Some cooling fabrics use microfibers to reduce the contact area with the body, creating an instant cooling sensation. Others use a menthol coating to stimulate skin receptors, producing a pseudo-cooling effect. Some utilize optimized fiber structure to increase moisture absorption and wicking, accelerating sweat evaporation to generate a cooling sensation. Still others use thermally conductive fibers to improve the fabric's thermal conductivity, transferring body heat to the outside environment to produce a cooling sensation; for example, adding thermally conductive fillers such as mineral powder and graphene to create thermally conductive fibers enhances the fabric's thermal conductivity.
[0063] In some embodiments of this application, the heat-conducting element 3 is made of a highly thermally conductive cooling fabric made of thermally conductive fibers. The cooling fabric 6 conducts heat away from the surface of the cushion, and combined with active airflow for heat dissipation, the cushion produces a continuous cooling sensation.
[0064] In some embodiments of this application, the cushion body 1 further includes a base 12 connected below the top layer 11, forming an internal space 13 between the base 12 and the top layer 11. A fan mounting part 2 is disposed on the base 12 and is in fluid communication with the internal space 13, and the fan blows active airflow into the internal space 13. A connecting hole 9, communicating the second airflow channel 7 and the internal space 13, is also provided through the base 5 located at the gap between the support blocks 51. The active airflow can reach above the top layer 11 from the internal space 13 through the connecting hole 9 and flow in the gap between the side walls of the support blocks 51.
[0065] In some embodiments of this application, several connecting holes 9 are provided and evenly arranged on the surface of the cushion. When a person sits on the top layer 11, the active airflow flows in the second airflow channel 7 and also comes into contact with the person. The active airflow transfers the heat of the area 17 covered by the person's buttocks on the surface of the cushion laterally to the area of the cushion surface not covered by the person's buttocks along a direction that is generally parallel to the plane of the cushion. This facilitates the dissipation of the heat conducted by the heat conductor 3 and improves the cooling effect of the heat conductor 3.
[0066] In addition, the heat-conducting component 3 can also consist of only the base 5 and the support block 51, which are integrally made of a thermally conductive material, such as thermally conductive gel. In this case, the upper surface of the support block 51 constitutes the support portion 31 of the heat-conducting component 3, and the sidewall of the support block 51 and the upper surface of the base 5 constitute the extension portion 32 of the heat-conducting component 3. Thermally conductive gel is a thermally conductive material made by adding fillers with high thermal conductivity, such as metal oxides, graphene, and ceramic particles, to ordinary gels such as silicone gel, epoxy resin, and polyurethane. Depending on the formulation and preparation process of the thermally conductive gel, the surface of the heat-conducting component 3, consisting of the base 5 and the support block 51 made of thermally conductive gel, may sometimes have natural adhesion. Therefore, a fabric layer 6, such as woven fabric, can be bonded to the surface of the base 5 and the support block 51 to encapsulate them. Alternatively, thermally conductive silicone can be used to integrally manufacture the base 5 and the support block 51, and other thermally conductive materials can also be used.
[0067] The cooling seat cushion of this application provides a method for reducing the temperature between the human buttocks and the support. By providing a heat-conducting element 3 on the top layer 11 of the support that is in contact with the human body, when the human body sits on the surface of the support, the support conducts heat away from the human skin surface. Interconnected grooves 7 are provided on the surface of the support, so that the heat-conducting element 3 extends into the grooves. The airflow provided by the fan conducts the human body heat conducted on the surface of the support through the grooves to the area of the support surface not covered by the human buttocks, and finally dissipates into the air.
[0068] As shown in Figure 8, and referring to the structure in Figure 4, this application also provides a cooling seat cushion, including a base 12 and a top layer 11 connected to the base 12, forming an internal space 13 between the base 12 and the top layer 11. A fan mounting package 20, which is in fluid communication with the internal space 13, is connected to the bottom front end of the base 12. The fan mounting package 20 has a first zipper opening 10, through which the fan can be inserted or removed. An air fiber pad is provided in the internal space 13 as a support frame 14; the porous air fiber pad also serves as an air guiding structure. A second zipper opening 15 is provided on the base 12, through which the air fiber pad can be inserted or removed from the internal space 13. The top layer 11 includes a base 5 and a plurality of support blocks 51 extending from the base 5 toward the human body, the support blocks 51 being spaced apart from each other.
[0069] The base 5 and the support block 51 are integrally made of thermally conductive gel, and the top layer 11 also includes an encapsulation fabric layer 6 that adheres to the surfaces of the base 5 and the support block 51. The upper surface of the support block 51 extends along a plane, and the edge of each support block 51 extends from its upper surface in a direction away from the human body. The edges of adjacent support blocks 51 are interconnected to form interconnected grooves 7 on the surface of the top layer 11. Several connecting holes 9 that connect to the internal space 13 are provided through the grooves 7. The active airflow generated by the fan passes through the air fiber pad and the connecting holes 9 and flows into the grooves 7.
[0070] This cooling seat cushion allows users to remove the fan and air fiber pad, then fold the remaining cushion body 1 for easy carrying and transportation. Furthermore, the folded cushion body 1 can be refrigerated before inserting the fan and air fiber pad for even better cooling effect.
[0071] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A cooling seat cushion, comprising a cushion body, characterized in that, The seat cushion body includes: The top layer is in direct contact with the bio-heat source and includes a heat-conducting component for conducting heat from the bio-heat source. An airflow channel, wherein an active airflow is formed within the airflow channel, and the active airflow carries away the heat emitted by the heat-conducting element as it flows over the surface of the heat-conducting element; and The cooling seat cushion also includes a fan mounting part, which is used to install a fan that generates the active airflow; the airflow channel is connected to the air outlet of the fan.
2. The cooling seat cushion according to claim 1, characterized in that, The heat-conducting element includes a support portion supporting the biological heat source and an extension portion connected to the support portion and extending to a first side of the surface of the support portion away from the support portion, wherein The extension is connected to the airflow channel, and the extension is used to dissipate the heat conducted by the heat-conducting element into the airflow channel.
3. The cooling seat cushion according to claim 2, characterized in that, The seat cushion body also includes an internal space located below the top layer, the airflow channel is located in the internal space, and at least a portion of the extension is located in the internal space.
4. The cooling seat cushion according to claim 3, characterized in that, The cushion body includes a base connected below the top layer, and an internal space is formed between the base and the top layer. A support frame supporting the top layer is provided in the internal space, and an air guide structure is provided on the support frame. The airflow channel includes a first airflow channel, and the air guide structure forms the first airflow channel.
5. The cooling seat cushion according to claim 4, characterized in that, The top layer also includes a soft pad, which is disposed above the support frame and between the support frame and the heat-conducting component.
6. The cooling seat cushion according to claim 5, characterized in that, A groove is provided above the cushion, and the support is fixed in the groove.
7. The cooling seat cushion according to claim 2, characterized in that, The top layer includes a base placed on the support frame, and a plurality of support blocks are formed on the base extending away from the base in a second direction. The plurality of support blocks are spaced apart from each other, and the upper surfaces of the plurality of support blocks together form a first surface on the top layer for supporting the bio-heat source.
8. The cooling seat cushion according to claim 7, characterized in that, The seat cushion body also includes an internal space located below the top layer, the airflow channel is located in the internal space, and a connecting hole is provided through the base at the gap between the support blocks to connect to the internal space.
9. The cooling seat cushion according to claim 8, characterized in that, The heat-conducting element covers the surfaces of the support block and the base, wherein The portion of the heat-conducting element covering the first surface constitutes the support portion of the heat-conducting element, and the portion of the heat-conducting element covering the sidewall and the base of the support block constitutes the extension portion of the heat-conducting element.
10. The cooling seat cushion according to claim 9, characterized in that, The support portion is provided in multiple ways and is spaced apart from each other; each support portion is connected to its own extension portion, and a second airflow channel is formed between the extension portions of adjacent support portions. The active airflow enters the second airflow channel through the connecting hole to carry away the heat emitted by the biological heat source.
11. The cooling seat cushion according to any one of claims 8 to 10, characterized in that, The thermally conductive component is made of thermally conductive fiber.
12. The cooling seat cushion according to claim 8, characterized in that, The heat-conducting component includes the base and the support block. The upper surface of the support block constitutes the support portion of the heat-conducting component, and the sidewall of the support block and the upper surface of the base constitute the extension portion of the heat-conducting component. At least the support block is made of a heat-conducting material.
13. The cooling seat cushion according to claim 12, characterized in that, The base and the support block are integrally made of a thermally conductive material, which is a thermally conductive gel or a thermally conductive silicone.
14. The cooling seat cushion according to any one of claims 7 to 13, characterized in that, The seat cushion body includes a base connected below the top layer, and an internal space is formed between the base and the top layer. A support frame for supporting the top layer is provided in the internal space. The support frame is an air fiber pad, and the air fibers form an air guiding structure.
15. The cooling seat cushion according to claim 14, characterized in that, The seat cushion body is also provided with a first opening communicating with the internal space, and the support frame is detachably installed in the internal space and can be inserted or removed through the first opening.
16. The cooling seat cushion according to any one of claims 2 to 15, characterized in that, The support portion extends generally along a first directional plane.
17. The cooling seat cushion according to any one of claims 1 to 16, characterized in that, The seat cushion body is connected to a fan mounting package that is in fluid communication with the airflow channel.
18. The cooling seat cushion according to claim 17, characterized in that, The fan installation package has a second opening.
19. The cooling seat cushion according to any one of claims 1 to 18, characterized in that, The seat cushion body is also provided with an exhaust hole for the active airflow to be discharged, and the exhaust hole is disposed through the side of the seat cushion body.