Toilet device

Abstract

To provide a toilet device capable of improving deodorization performance.SOLUTION: A toilet device comprises a casing and a deodorization unit provided inside the casing for deodorizing air in a toilet room. The deodorization unit includes a duct and a fan for sucking air into the duct, and the duct has a first extension part extending from the casing, a second extension part extending from the casing at a position different from the first extension part, and a connection part connecting the first extension part and the second extension part. The first extension part, the second extension part, and the connection part are integrally formed with the casing.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] TECHNICAL FIELD Aspects of the present invention relate generally to toilet systems. [Background technology]

[0002] There is known a toilet apparatus that has a deodorizing unit inside a casing that can deodorize the inside of a toilet bowl (Patent Document 1). This deodorizing unit has a fan that draws in air from inside the toilet bowl and a duct through which the drawn air circulates. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-148188 A Summary of the Invention [Problem to be solved by the invention]

[0004] The duct described in Patent Document 1 is constructed by combining two parts that are divided vertically, so there is a risk that air will leak through the gap at the joint between the parts, reducing the deodorizing performance.

[0005] The present invention has been made based on the recognition of such problems, and has an object to provide a toilet apparatus that can improve deodorizing performance. [Means for solving the problem]

[0006] A first invention is a toilet device comprising a casing and a deodorizing unit provided inside the casing for deodorizing the air in a toilet room, the deodorizing unit having a duct and a fan for drawing air into the duct, the duct having a first extension portion extending from the casing, a second extension portion extending from the casing at a position different from the first extension portion, and a connecting portion connecting the first extension portion and the second extension portion, the first extension portion, the second extension portion, and the connecting portion being integrally formed with the casing.

[0007] According to this toilet device, the entire duct is integrated with the casing, so the airtightness of the duct can be improved. Therefore, air leakage from the duct can be suppressed, so noise reduction can be improved and deodorizing performance can be improved. In addition, since there is no need to assemble the duct, the number of assembly steps can be reduced.

[0008] A second invention is a toilet device according to the first invention, characterized in that the duct has an intake port through which air is drawn in, an exhaust port through which deodorized air is exhausted, and a passage portion formed by the first extension portion, the second extension portion, and a connecting portion and connecting between the intake port and the exhaust port, and the passage portion is formed integrally with the casing from the intake port to the exhaust port.

[0009] According to this toilet apparatus, since the entire passage portion is formed integrally with the casing, the airtightness of the duct can be further improved, thereby improving the deodorizing performance of the deodorizing unit.

[0010] A third invention is a toilet device according to the second invention, characterized in that the fan has a rotation axis extending upward relative to the bottom surface of the casing and discharges air in a direction perpendicular to the rotation axis.

[0011] In this toilet device, the rotation axis of the fan extends upward relative to the bottom surface of the casing, and air is discharged in a direction perpendicular to the rotation axis, so even if the fan blades are made large, the height of the casing can be prevented from increasing, resulting in a toilet device with an overall compact design.

[0012] A fourth invention is the toilet device according to the second or third invention, characterized in that the passage portion has a first passage portion located on the intake port side and a second passage portion located on the exhaust port side, and the fan is disposed between the first passage portion and the second passage portion.

[0013] According to this toilet apparatus, by arranging the fan between the first passage section and the second passage section of the duct, it is possible to arrange the fan while taking into consideration the influence of pressure loss due to the shape of the duct. Furthermore, by arranging the fan between the first passage section and the second passage section, it is possible to arrange the fan in the duct without compromising the airtightness of the duct integrated with the casing. This improves the deodorizing performance of the deodorizing unit.

[0014] A fifth invention is the toilet apparatus according to the fourth invention, characterized in that the second passage portion is bent at an obtuse angle in the air flow direction.

[0015] According to this toilet apparatus, it is possible to reduce pressure loss when air flows through the second passage, thereby improving the deodorizing performance of the deodorizing unit.

[0016] A sixth invention is the toilet device according to the first invention, characterized in that the casing has a fixing portion for fixing the fan with screws.

[0017] According to this toilet device, by fixing the fan to the fixing part of the casing with screws, it is possible to prevent the fan from becoming displaced due to vibrations, etc., and therefore it is possible to improve the deodorizing performance of the deodorizing unit. Also, by using a structure for fixing the fixing part with screws, it is possible to increase durability compared to fixing with hooks, etc., and therefore it is possible to prevent damage to the fixing part, and to reduce the number of cases where the entire casing needs to be replaced due to damage to the fixing part. Effect of the Invention

[0018] According to the present invention, a toilet apparatus capable of improving deodorizing performance is provided. [Brief description of the drawings]

[0019] [Figure 1] 1 is a perspective view showing a toilet equipped with a toilet device according to an embodiment; [Diagram 2] FIG. 4 is an exploded perspective view showing a state in which a case cover is removed from a case plate. [Diagram 3] FIG. 2 is a plan view of the deodorizing unit as viewed from above. [Figure 4] 4 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction AA in FIG. 3. [Diagram 5] 4 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction BB in FIG. 3. [Figure 6] 5 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction CC in FIG. 4. [Figure 7] 5 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction DD in FIG. 4. [Figure 8] FIG. 2 is an exploded perspective view showing a state in which the fan is removed from the case plate. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] Hereinafter, an embodiment will be described with reference to the drawings. In the drawings, like elements are designated by like reference numerals, and detailed description thereof will be omitted as appropriate.

[0021] FIG. 1 is a perspective view showing a toilet equipped with a toilet device according to an embodiment. As shown in FIG. 1, the toilet 1 comprises a Western-style seated toilet bowl (hereinafter, for convenience of explanation, simply referred to as the "toilet bowl") 2 and a toilet device 10 attached to the upper surface of the toilet bowl 2. The toilet bowl 2 has a bowl portion 2a that receives excrement. The toilet device 10 comprises a toilet seat 12, a toilet lid 14, and a casing 20. The toilet seat 12 and the toilet lid 14 are each axially supported on the casing 20 so that they can be opened and closed freely. In this specification, the terms "upper," "lower," "front," "rear," "right," and "left" are used when viewed from the perspective of a user sitting on the toilet seat 12 with their back to the open toilet lid 14.

[0022] The toilet device 10 is attached to the upper surface behind the toilet bowl 2. The toilet device 10 may be attached integrally to the toilet bowl 2, or may be detachably attached to the toilet bowl 2. The toilet device 10 has a casing 20 formed in a hollow box shape, and a deodorizing unit 30 provided inside the casing 20 to reduce odorous components.

[0023] Additionally, functional units such as an opening / closing unit that controls the opening and closing of the toilet seat 12 and toilet lid 14, a toilet seat heating unit that controls the temperature of the toilet seat 12, a private parts washing unit that washes the private parts of the human body, and a communication unit that can communicate with an operating unit such as a remote control are built into the casing 20 as necessary. The toilet lid 14 is provided in the toilet device 10 as necessary and can be omitted.

[0024] FIG. 2 is an exploded perspective view showing a state in which a case cover is removed from a case plate. FIG. 3 is a plan view of the deodorizing unit as viewed from above. FIG. 4 is a cross-sectional view of the case plate and the deodorizing unit taken along the line AA in FIG. FIG. 5 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction BB in FIG. FIG. 6 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction CC in FIG. FIG. 7 is a cross-sectional view of the case plate and the deodorizing unit as viewed from the direction DD in FIG. FIG. 8 is an exploded perspective view showing a state in which the fan is removed from the case plate.

[0025] The casing 20 has a case plate 21 and a case cover 28 attached to the case plate 21. Functional parts such as a deodorizing unit 30 and a toilet seat heating unit are mounted on the case plate 21. In each drawing, functional parts other than the deodorizing unit 30 are omitted for ease of explanation. The case cover 28 is formed in a box shape that is open downward. The case cover 28 covers the functional parts provided on the case plate 21.

[0026] The case plate 21 has a bottom surface portion 22 and a side surface portion 24 extending upward from the bottom surface portion 22. The bottom surface portion 22 is provided with an air intake port 41 of the deodorizing unit 30, which will be described later. The side surface portion 24 is provided with an exhaust port 43 of the deodorizing unit 30. As shown in FIGS. 2 to 8, a removable lid portion 25 is attached to the exhaust port 43. The lid portion 25 is formed with an opening 25a for discharging the air F from the exhaust port 43.

[0027] Next, the deodorizing unit 30 will be described.

[0028] The deodorizing unit 30 is provided inside the casing 20, and deodorizes the air in the toilet room. Specifically, the deodorizing unit 30 deodorizes the air sucked in through the air intake 41, and exhausts the deodorized air into the toilet room through the air exhaust 43. The deodorizing unit 30 is provided on the case plate 21. The deodorizing unit 30 has a duct 40 and a fan 60.

[0029] The duct 40 is provided integrally with the case plate 21 of the casing 20. The duct 40 forms a flow path through which the sucked air F flows. The duct 40 has a first extension portion 40a extending from the bottom surface portion 22 of the case plate 21, a second extension portion 40b extending from the bottom surface portion 22 of the case plate 21 at a position different from the first extension portion 40a, and a connection portion 40c connecting the first extension portion 40a and the second extension portion 40b.

[0030] The lower end side of the first extending portion 40a is integrally connected to the bottom surface portion 22 of the case plate 21 and extends upward. The first extending portion 40a constitutes, for example, the left side surface portion of the duct 40. The lower end side of the second extending portion 40b is integrally connected to the bottom surface portion 22 of the case plate 21 and extends upward. The second extending portion 40b constitutes, for example, the right side surface portion of the duct 40. In other words, the second extending portion 40b faces the first extending portion 40a.

[0031] The connecting portion 40c connects the upper end of the first extending portion 40a and the upper end of the second extending portion 40b. The connecting portion 40c is integrally connected to the first extending portion 40a and the second extending portion 40b. The connecting portion 40c constitutes, for example, the upper surface portion of the duct 40. The first extending portion 40a, the second extending portion 40b, and the connecting portion 40c are integrally formed with the case plate 21 of the casing 20. In other words, the duct 40 cannot be removed from the case plate 21.

[0032] Duct 40 has an air intake port 41, an exhaust port 43, and a passage portion 45 that connects air intake port 41 and exhaust port 43. As shown in Fig. 4, air intake port 41 is formed in bottom surface portion 22 of case plate 21. Air intake port 41 is located above bowl portion 2a of toilet 2. As a result, air in the toilet room is drawn into passage portion 45 from air intake port 41 via bowl portion 2a.

[0033] 4 and 6, first filter 50 is provided in passage 45 and covers air intake port 41. First filter 50 is, for example, a dust-collecting filter, and prevents dust from entering passage 45. First filter 50 also prevents excrement splashed from bowl portion 2a from entering passage 45.

[0034] The exhaust port 43 is formed in the side portion 24 of the case plate 21. As shown in Figs. 5 to 7, a removable lid portion 25 is attached to the exhaust port 43. The second filter 55 is provided in the passage portion 45 and can be removed from the exhaust port 43. In other words, a user can remove the lid portion 25 and replace the second filter 55. The second filter 55 contains a deodorizing catalyst that removes odorous components from the odor-containing air F flowing through the passage portion 45.

[0035] The passage 45 is formed by the first extension portion 40a, the second extension portion 40b, and the connection portion 40c, and provides communication between the intake port 41 and the exhaust port 43. The passage 45 is formed integrally with the case plate 21 of the casing 20 from the intake port 41 to the exhaust port 43. The air F sucked in from the intake port 41 flows through the inside surrounded by the bottom surface portion 22 of the case plate 21, the first extension portion 40a, the second extension portion 40b, and the connection portion 40c toward the exhaust port 43.

[0036] The passage portion 45 has a first passage portion 45a located on the intake port 41 side and a second passage portion 45b located on the exhaust port 43 side. An attachment portion 45c for attaching a fan 60 is provided between the first passage portion 45a and the second passage portion 45b. As shown in FIG. 8, the attachment portion 45c is open at the top and does not have a connection portion 40c. The first passage portion 45a and the second passage portion 45b are connected by the fan 60.

[0037] The first passage portion 45a extends from the intake port 41 toward the attachment portion 45c. A front end opening of the first passage portion 45a is covered by the case cover 28 via a seal member 47. The second passage portion 45b extends from the attachment portion 45c toward the exhaust port 43. As shown in Figs. 4 and 8, the connection portion 40c of the second passage portion 45b is located above the connection portion 40c of the first passage portion 45a. The attachment portion 45c has an inlet 45c1 through which the air F flows from the first passage portion 45a into the fan 60, and an outlet 45c2 through which the air F flows out from the fan 60 to the second passage portion 45b.

[0038] As shown in Fig. 7, the outlet 45c2 faces diagonally rearward to the left. As a result, the second passage portion 45b is bent at an obtuse angle in the flow direction of the air F. That is, the main flow of the air F flowing out from the outlet 45c2 is bent at an angle α (90°<α<180°) and discharged from the exhaust port 43. This reduces pressure loss when the air F flows through the second passage portion 45b. Therefore, the deodorizing unit 30 can smooth the flow of the air F flowing from the second passage portion 45b toward the exhaust port 43, thereby improving the deodorizing performance.

[0039] Fan 60 is located inside casing 20, and is disposed at mounting portion 45c between first passage portion 45a and second passage portion 45b. Fan 60 is a suction fan that draws in air from within bowl portion 2a and the toilet room, and may be, for example, a fan that blows air in the centrifugal direction of rotation, such as a sirocco fan or centrifugal fan, or a fan that blows air in the axial direction of rotation, such as an axial flow fan.

[0040] 5, the fan 60 is, for example, a sirocco fan, and has a rotation shaft 61 and blades 62 provided around the rotation shaft 61, and an outlet orthogonal to the rotation shaft 61. That is, the rotation shaft 61 of the fan 60 extends upward relative to the bottom surface 22 of the casing 20 (case plate 21), and the fan 60 discharges air F in a direction orthogonal to the rotation shaft 61. The fan 60 draws in air F from below to above, and discharges the air F laterally. As a result, the air F flows upward from the inlet 45c1 (first passage portion 45a) by the operation of the fan 60, and flows diagonally backward to the left from the outlet 45c2 (second passage portion 45b).

[0041] Here, the fan 60 is fixed to the casing 20 by screws 65. The case plate 21 has a fixing portion 21a for fixing the fan 60 by screws. That is, the fixing portion 21a is a screw seat having an internal thread into which the screw 65 screws. For example, two fixing portions 21a are provided next to the mounting portion 45c. The fan 60 is positioned on the mounting portion 45c and attached to the case plate 21 by the screws 65.

[0042] By fixing the fan 60 to the fixing portion 21a of the casing 20 with screws, it is possible to prevent the fan 60 from being displaced due to vibrations or the like. This improves the deodorizing performance of the deodorizing unit 30. Furthermore, by using a structure for fixing the fixing portion 21a with screws, it is possible to increase durability compared to fixing the fixing portion 21a with, for example, a hook. This makes it possible to prevent damage to the fixing portion 21a, and thus to prevent a situation in which the entire casing 20 needs to be replaced due to damage to the fixing portion 21a.

[0043] The toilet apparatus 10 according to this embodiment has the configuration described above. Next, the operation of the deodorizing unit 30 will be described.

[0044] A control device (not shown) provided inside the casing 20 operates the fan 60 for a predetermined time, for example when it detects that the user has left the toilet seat 12, or at predetermined time intervals, to draw air F containing odorous components into the duct 40 from the air intake 41. In this case, dust in the air F is captured by the first filter 50 provided in the air intake 41. This makes it possible to purify the air F and also to reduce adhesion of dust to the rotating shaft 61 and blades 62 of the fan 60.

[0045] Air F that has flowed into first passage portion 45a from intake port 41 flows from first passage portion 45a to second passage portion 45b via fan 60 due to operation of fan 60. Air F that has flowed into second passage portion 45b passes through second filter 55, whereby odorous components are removed. Air F from which odorous components have been removed flows out through exhaust port 43 and opening 25a of lid portion 25 into the toilet room.

[0046] Here, for example, if the duct is separate from the casing, a joint will be formed between the casing and the duct. This may cause the air drawn into the duct to leak from this joint. If air leaks from the duct, the deodorizing performance may decrease, or a whistling sound may occur when air leaks from the joint. Furthermore, if the casing vibrates due to the operation of the functional unit housed inside the casing, a rattling sound may occur at the joint between the casing and the duct.

[0047] In this embodiment, the first extension portion 40a, the second extension portion 40b, and the connection portion 40c that constitute the duct 40 are integrally formed with the case plate 21 of the casing 20. As a result, the deodorizing unit 30 improves the airtightness of the duct 40. Therefore, the deodorizing unit 30 can suppress the air F from leaking from inside the duct 40, thereby improving the quietness and deodorizing performance. In addition, the duct 40 vibrates together with the case plate 21, so that rattling noise can be suppressed. In addition, since there is no need to assemble the duct 40, the number of assembly steps can be reduced. Furthermore, by integrating the duct 40 with the case plate 21, the strength of the case plate 21 can be increased.

[0048] In this case, the passage 45 is formed integrally with the case plate 21 of the casing 20 from the intake port 41 to the exhaust port 43. As a result, the entire passage 45 is formed integrally with the casing 20, which can further improve the airtightness of the duct 40. Therefore, the toilet apparatus 10 can improve the deodorizing performance of the deodorizing unit 30.

[0049] Moreover, the fan 60 is disposed between the first passage portion 45a and the second passage portion 45b. By disposing the fan 60 between the first passage portion 45a and the second passage portion 45b of the duct 40, it becomes possible to dispose the fan 60 while taking into consideration the influence of pressure loss due to the shape of the duct 40. Furthermore, by disposing the fan 60 between the first passage portion 45a and the second passage portion 45b, it is possible to dispose the fan 60 in the duct 40 without compromising the airtightness of the duct 40 integrated with the casing 20. This allows the toilet apparatus 10 to improve the deodorizing performance of the deodorizing unit 30.

[0050] The fan 60 is a sirocco fan. The rotating shaft 61 of this sirocco fan extends upward relative to the bottom surface 22 of the casing 20. This makes it possible to prevent the height dimension of the casing 20 from increasing even if the blades 62 of the fan 60 are enlarged. This allows the toilet device 10 to be compact overall and has a high level of design.

[0051] Moreover, the second passage portion 45b is bent at an obtuse angle in the flow direction of the air F. This makes it possible to reduce pressure loss when the air F flows through the second passage portion 45b. Therefore, the toilet apparatus 10 can improve the deodorizing performance of the deodorizing unit 30.

[0052] Moreover, the casing 20 has a fixing portion 21a for fixing the fan 60 with a screw. By fixing the fan 60 to the fixing portion 21a of the casing 20 with a screw, it is possible to prevent the fan 60 from being displaced due to vibration or the like. Therefore, it is possible to improve the deodorizing performance of the deodorizing unit 30. Furthermore, by configuring the fixing portion 21a to be fixed with a screw, it is possible to increase durability compared to fixing with a hook or the like. Therefore, it is possible to prevent damage to the fixing portion 21a, and it is possible to reduce the situation in which the entire casing needs to be replaced due to damage to the fixing portion 21a.

[0053] In the above-described embodiment, the duct 40 is integrally provided with the case plate 21. However, the present invention is not limited to this embodiment, and the duct may be integrally provided with the case cover 28 of the casing 20, for example.

[0054] In the above-described embodiment, an example has been described in which the exhaust port 43 is provided on the left side surface of the casing 20. However, the present invention is not limited to this, and for example, the exhaust port may be provided on the rear surface or right side surface of the casing 20.

[0055] In the above embodiment, the air intake 41 is provided above the bowl portion 2a, and air is drawn into the bowl portion 2a. However, the present invention is not limited to this embodiment, and for example, the air intake may be provided in the front, rear, and right side of the casing 20 to draw in air from the toilet room.

[0056] In the above-described embodiment, the case where both the first passage portion 45a and the second passage portion 45b are integrated with the case plate 21 of the casing 20 has been described as an example. However, the present invention is not limited to this, and for example, only one of the first passage portion 45a and the second passage portion 45b may be integrated with the casing 20. In addition, for example, the first passage portion 45a may be integrated with the case plate 21 and the second passage portion 45b may be integrated with the case cover 28, or the first passage portion 45a may be integrated with the case cover 28 and the second passage portion 45b may be integrated with the case plate 21.

[0057] The embodiment may include the following features. (Configuration 1) A casing; a deodorizing unit provided inside the casing for deodorizing air in the toilet room; Equipped with The deodorizing unit includes: Duct and A fan that draws air into the duct; having The duct is A first extension portion extending from the casing; a second extension portion extending from the casing at a position different from the first extension portion; a connection portion that connects the first extension portion and the second extension portion; having A toilet device, wherein the first extension portion, the second extension portion, and the connection portion are integrally formed with the casing. (Configuration 2) The duct is An intake port through which air is drawn in; an exhaust port through which the deodorized air is exhausted; a passage portion formed by the first extension portion, the second extension portion, and a connection portion, the passage portion communicating between the intake port and the exhaust port; having 2. The toilet apparatus according to claim 1, wherein the passage portion is integrally formed with the casing from the intake port to the exhaust port. (Configuration 3) The toilet device according to configuration 2, wherein the fan has a rotation axis that extends upward relative to a bottom surface of the casing, and exhausts air in a direction perpendicular to the rotation axis. (Configuration 4) The passage portion is A first passage portion located on the intake port side; A second passage portion located on the exhaust port side; having 4. The toilet apparatus according to claim 2, wherein the fan is disposed between the first passage portion and the second passage portion. (Configuration 5) 5. The toilet apparatus according to configuration 4, wherein the second passage portion is bent at an obtuse angle in the air flow direction. (Configuration 6) The toilet apparatus according to any one of configurations 1 to 5, wherein the casing has a fixing portion for fixing the fan with screws.

[0058] The above describes the embodiments of the present invention. However, the present invention is not limited to these descriptions. Regarding the above-mentioned embodiments, those in which a person skilled in the art makes appropriate design changes are also included in the scope of the present invention as long as they include the features of the present invention. For example, the shape, dimensions, material, arrangement, installation form, etc. of each element of the toilet device are not limited to those exemplified and can be appropriately changed. In addition, each element of the above-mentioned embodiments can be combined to the extent technically possible, and combinations of these are also included in the scope of the present invention as long as they include the features of the present invention. [Explanation of symbols]

[0059] 1. Toilet 2. Toilet 2a Bowl section 10 Toilet equipment 12 Toilet seat 14 Toilet lid 20 Casing 21 Case Plate 21a Fixed part 22 Bottom part 24 Side part 25 Lid 25a opening 28 Case Cover 30 Deodorizing unit 40 Duct 40a 1st extension part 40b 2nd extension 40c Connection 41 Air Intake 43 Exhaust port 45 Passage section 45a 1st passage section 45b 2nd passage section 45c Mounting part 45c1 Inlet 45c2 Outlet 47 Sealing material 50 1st filter 55 Second Filter 60 Fans 61 Rotational axis 62 Wings 65 Screw F Air

Claims

1. A casing; a deodorizing unit provided inside the casing for deodorizing air in the toilet room; Equipped with The deodorizing unit includes: Duct and A fan that draws air into the duct; having The duct is A first extension portion extending from the casing; a second extension portion extending from the casing at a position different from the first extension portion; a connection portion that connects the first extension portion and the second extension portion; having The toilet device, wherein the first extension portion, the second extension portion, and the connection portion are integrally formed with the casing.

2. The duct is An intake port through which air is drawn in; an exhaust port through which the deodorized air is exhausted; a passage portion formed by the first extension portion, the second extension portion, and a connection portion, the passage portion communicating between the intake port and the exhaust port; having 2. The toilet device according to claim 1, wherein the passage is integrally formed with the casing from the intake port to the exhaust port.

3. 3. The toilet device according to claim 2, wherein the fan has a rotation axis that extends upward relative to the bottom surface of the casing, and the fan discharges air in a direction perpendicular to the rotation axis.

4. The passage portion is A first passage portion located on the intake port side; A second passage portion located on the exhaust port side; having 4. The toilet device according to claim 2, wherein the fan is disposed between the first passage portion and the second passage portion.

5. 5. The toilet device according to claim 4, wherein the second passage portion is bent at an obtuse angle in the air flow direction.

6. 2. The toilet device according to claim 1, wherein the casing has a fixing portion for screwing the fan.

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