GB2580118A - A fan housing assembly - Google Patents
A fan housing assembly Download PDFInfo
- Publication number
- GB2580118A GB2580118A GB1821024.5A GB201821024A GB2580118A GB 2580118 A GB2580118 A GB 2580118A GB 201821024 A GB201821024 A GB 201821024A GB 2580118 A GB2580118 A GB 2580118A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fan
- housing
- mounting
- mounting arrangement
- assembly according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- 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
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A fan housing assembly is provided for mounting to a building structure. The housing assembly includes a housing 114 in the form of a duct defining an air flow path from the inlet to the outlet. The assembly also includes a fan mounting arrangement 128 for supporting a fan 116 within the housing along the air flow path. The fan mounting arrangement is provided with a first part 130 for mounting the fan within the housing, and a second part 132 at least partially positioned outside of the housing for mounting the fan housing assembly to a building structure. Preferably the first and second parts of the fan mounting arrangement are removably connected together by at least one support member extending through the housing side wall.
Description
A Fan Housing Assembly
FIELD OF THE INVENTION
The present invention relates to a fan housing assembly. 5 BACKGROUND OF THE INVENTION Axial flow fans are used in a wide variety of applications (e.g. in ventilation) for moving larger volumes of air. Such fan typically consists of an impeller and a motor to drive the impeller. In these in known axial flow fans, the housing/duct immediately surrounding the fan is configured to provide support against the weight of the fan and the forces generated by the impeller.
Due to this requirement to support the fan, the material used to manufacture the housing needed to have sufficient rigidity and strength so as to be able to provide the required level of support. This arrangement limit the materials that can be used to produce the fan housing. Additional flanged connectors were also used to connect the housing to adjacent airflow ducts, which increases the weight of the axial fan system.
The present invention seeks to overcome or at least mitigate one or more problems associated with the prior art.
SUMMARY OF THE INVENTION
A first aspect of the invention provides a fan housing assembly for mounting to a building structure, the housing assembly comprising: a housing in the form of a duct comprising an inlet, an outlet, and defining an air flow path from the inlet to the outlet; a fan mounting arrangement for supporting a fan within the housing along the air flow path; wherein the fan mounting arrangement comprises a first part positioned within the housing configured to mount a fan within the housing, and a second part at least partially positioned outside of the housing for mounting the fan housing assembly to a building structure.
Traditionally, in known fan assemblies, the housing (i.e. the immediately surrounding duct) is configured to provide support for the fan. Thus, the material used to manufacture the housing needed to have sufficient rigidity and strength so as to be able to provide the required level of support. Additional flanged connectors were also required to connect the housing to airflow ducts.
The current arrangement of housing assembly provides a fan mounting arrangement that is independent of the housing, and that is able to support the fan within the housing, and to connect the fan to an external structure (e.g. a wall or ceiling of a building). Put another way, the fan mounting arrangement is able to provide a direct mounting/connection between the fan and a wall of a building.
This direct support enables the flanged connectors to be omitted from the assembly.
Moreover, since no support is provided by the housing, a range of different materials may be used to construct the housing, which may allow the housing to be lighter, flexible, transparent, for example.
The fan mounting arrangement may be configured such that more of the mechanical forces from a fan mounted thereto are reacted through the fan mounting arrangement than any other connection of a fan to the fan housing assembly.
In this way, a majority of the required structural support for the fan is provided by the fan mounting arrangement, independently of the housing, or any other component of the fan assembly. This increases the range of possible materials that can be used to produce the housing.
The fan mounting arrangement may be configured such that substantially all of the mechanical forces from a fan mounted thereto are reacted through the fan mounting arrangement.
In this way, little or no structural support is provided to the fan by anything other than the fan mounting arrangement. This removes the need for additional components to be used (e.g. to increase the structural support provided by other components of the fan assembly), and further increases the range of possible materials that can be used to produce the housing.
The first part of the fan mounting arrangement may be configured to directly support a fan within the housing.
This arrangement of directly supporting the fan via the mounting arrangement reduces the need for additional components, thus reducing the weight of the fan assembly.
The first part of the fan mounting arrangement may comprise an internal mounting platform positioned within the housing for mounting a fan thereon.
The second part of the fan mounting arrangement may comprise an external mounting platform for mounting the fan housing assembly to a building structure.
The external mounting platform may comprise an anti-vibration mount for mounting the external mounting platform to a building structure.
In this way, the vibration and noise generated by the fan assembly are dampened.
The fan mounting arrangement may be configured to rigidly connect the fan to a building structure.
The housing may comprise a side wall. The first and second parts of the fan mounting arrangement may be removably connected together by at least one support member extending through the housing side wall.
Removably connecting the internal and external parts of the mounting arrangement facilitates dismantling of the mounting arrangement (e.g. to enable the fan to be removed for repair or removal.
The at least one support member may comprise an anti-vibration mount.
In this way, the vibration and noise generated by the fan assembly are dampened.
The assembly may comprise at least two support members arranged in a spaced apart array defining two opposing groups of support members.
This increases the structural support provided to the fan by the mounting arrangement.
The angle between the opposing groups of support members may be in the range of 600-1000 with respect to each other, optionally between 70°-90°, for example approximately 80°.
This arrangement produces a substantially triangular cross-sectional shape of the fan mounting arrangement. This configuration has been found to increase the rigidity the mounting arrangement, which increases the structural support provided to the fan.
The assembly may comprise a fan mounted to the first part of the fan mounting arrangement.
The fan mounting arrangement may comprise a bracket for mounting the second part of the fan mounting arrangement to a building structure.
The bracket may comprise two bracket plates configured to clamp the second part of the fan mounting arrangement therebetween for mounting the fan housing assembly to a building structure.
This arrangement provides additional support to the fan assembly, and is particularly useful; when the fan assembly is mounted to define a substantially vertical air flow path. The two bracket plates, when connected together, act as a hook so as to prevent or minimise any leaning/tipping of the fan impeller.
The bracket plates may comprise anti-vibration mounts positioned therebetween.
In this way, the vibration and noise generated by the fan assembly are dampened.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention will now be described with reference to the accompanying drawings, in which: Figure 1 is an exploded isometric view of a known fan assembly positioned between two air ducts; Figure 2 is an exploded isometric view of a fan assembly according to an embodiment positioned between two air ducts; Figure 3 is an exploded isometric view of the fan assembly of Figure 2; Figure 4 is an end view of the fan assembly of Figure 3; Figure 5 is a cross sectional view of the fan assembly of Figure 1 mounted to a wall bracket.
DETAILED DESCRIPTION OF EMBODIMENT(S)
Referring firstly to Figure 1, a prior art fan housing assembly 10 is shown interposed between two extractor ducts 12. The fan housing assembly 10 is intended to be fitted/mounted to a building structure (e.g. for providing ventilation), although the building structure has been omitted for clarity.
The fan housing assembly 10 includes a housing 14 (also known as a duct) with a fan 16 mounted to the housing 14 and positioned within said housing 14. In this known system, the fan 16 is structurally supported by the housing 14.
In order to increase the rigidity of the housing 14 (to provide the required structural support to the fan 16), the opposing ends of the housing 14 each include flanged mounting surfaces 18.
A separate flanged connector 20 is mounted to the housing 14 at each end thereof via the flanged mounting surfaces 18. Each flanged connector 20 includes an axial projection 22, which is provided to enable the fan housing assembly 10 to be connected to the opposing extractor ducts 12.
In order to achieve a connection between the fan housing assembly 10 and the extractor ducts 12, a flexible coupling 24 is affixed at each end of the fan housing assembly 10 between the axial projections 22 and the extractor ducts 12, to form an air flow path.
Each flanged connector 20 is also provided with a bracket 26 mounted thereto, so as to be able to connect the fan housing assembly 10 to a building structure.
Referring now to Figure 2, a fan housing assembly 110 is shown interposed between two extractor ducts 112. The fan housing assembly 110 is intended to be fitted/mounted to a building structure (e.g. for providing ventilation), although the building structure has been omitted for clarity.
The fan housing assembly 110 includes a housing 114 in the form of a duct. The housing or duct 114 defines an air flow path extending between an inlet and an outlet. A fan 116 is positioned within the housing 114 along the air flow path.
A fan mounting arrangement 128 is provided for providing structural support to the fan 116 within the housing 114. The fan mounting arrangement 128 is configured to directly support the fan 116 within the housing 114, without the need for any intermediate components.
In order to achieve a connection between the housing 114 and the extractor ducts 112, a flexible coupling 124 is affixed at each end of the housing 114. The flexible coupling 124 is in the form of a resilient tube which is stretched over the adjacent ends of the housing 114 and extraction duct 112 to form an air flow path therealong.
Referring now to Figures 3 and 4, the fan housing assembly 110 is illustrated in more detail.
The fan mounting arrangement 128 of Figure 2 includes a first part 130 positioned within the housing 114 for mounting the fan 116 within the housing 114. The fan mounting arrangement 128 also includes a second part 132 positioned outside of the housing 114 for mounting the fan housing assembly 110 to a building structure.
The fan 116 includes a motor 134 and an impeller 136, and the motor 134 is mounted to the first part 130 of the fan mounting assembly 128.
The fan mounting arrangement 128 is configured such that more of the mechanical forces from the fan 116 (e.g. caused by weight of the motor 134 and rotation of the impeller 136) are reacted through the fan mounting arrangement 128 than any other connection of the fan 116 to the fan housing assembly 114.
In the illustrated embodiment, the fan 116 is mounted independently of the housing 114. In this way, substantially all of the mechanical forces from the fan 116 are reacted through the fan mounting arrangement 116. Put another way, little or no structural support is provided to the fan 116 by anything other than the fan mounting arrangement 128.
The first part 130 of the fan mounting arrangement 128 is provided in the form of an internal mounting platform positioned within the housing. The internal mounting platform 130 includes a substantially flat mounting surface 138 having four apertures 140 therethrough for receiving fasteners (not shown) to secure the fan 116 to the platform 130. In the embodiment four apertures are provided, but the number of apertures, and hence the number of fasteners, may vary to suit the application.
The internal mounting platform 130 also includes two opposing internal arms 142 extending away from the mounting surface 138. Each of the internal arms 142 include an internal end return 144 at the distal end thereof. Each internal end return 144 includes a pair of apertures 146 therethrough. It will be appreciated that the first part 130 (the internal mounting platform) must be able to have a fan mounted thereto, and to be able to connect to an external mounting platform, but the shape thereof may vary to suit the application and/or fan.
The second part 132 of the fan mounting arrangement 128 is provided in the form of an external mounting platform for mounting the fan housing 110 assembly to a building structure.
The external mounting platform 132 includes a substantially flat mounting surface 148 having four apertures 150 therethrough for receiving fasteners to secure the fan 116 to a building structure. In some arrangements, the fan mounting arrangement 128 may include an anti-vibration mount 122 (see Figure 2) for mounting the external mounting platform 132 to a building structure.
The external mounting platform 132 also includes two opposing external arms 152 extending away from the mounting surface 148. Each of the external arms 152 include an external end return 154 at the distal end thereof. Each external end return 154 includes a pair of apertures 156 therethrough.
In the embodiment, the first and second parts 130, 132 of the fan mounting arrangement 128 are removably connected together by at least one support member 158 extending through the housing side wall via apertures 160. In this way, the fan mounting arrangement 128 can be disassembled to enable the fan 116 to be removed for repair or removal.
In the illustrated embodiment, the support members 158 are rigid. In this way, the fan mounting arrangement 128 is configured to rigidly mount the fan 116 within the fan housing assembly 110. Moreover, in this way, the fan mounting arrangement 128 rigidly connects the fan 116 to a building structure. In alternative arrangements, the support members 158 may be provided in the form of anti-vibration mounts so as to dampen the vibrations and noise generated by the fan 116.
In the embodiment, four support members 158 are provided. The four support members 158 are arranged in a spaced apart to define two opposing groups of support members 158. It will be appreciated that in alternative arrangements the number of support members may vary. In such arrangements, two, three, five, six or any suitable number of support members may be provided.
In order to assemble the fan mounting arrangement 128, the first and second parts 130, 132 are connected by the support members 158. That is, the support members 158 extend between the apertures 146 of the internal platform 130 and the aperture 156 of the external platform 132, and are secured thereto.
The angle between the opposing groups of support members 158 is approximately 800 with respect to each other, but may be in the range of 60°-100°, for example in the range of between 70°-90°.
This arrangement of the internal and external arms 142, 152, and so the support members 158, produces a substantially triangular cross-sectional shape of the fan mounting arrangement 128. This arrangement increases the rigidity the fan mounting arrangement 128, thus increasing support provided to the fan 116.
Referring now to Figure 5, the fan housing assembly 110 is mounted to a bracket 162 via the fan mounting arrangement 128. More specifically, the external mounting platform 132 is secured to the bracket 162 for mounting the fan housing assembly 110 to a building structure.
In the embodiment, the bracket 162 includes first and second bracket plates 164, 166 configured to clamp the second part 132 (i.e. the external mounting platform) of the fan mounting arrangement 128 therebetween.
The first plate 164 is positioned on the side of the external mounting platform 128 proximate the housing 114. The second plate 166 is positioned on the side of the external mounting platform distal to the housing 114.
The bracket 162 is intended to be substantially vertical in use (i.e. when the fan housing assembly 110 is mounted to a vertical wall).
The first plate 164 includes an anchor portion 168 that extends around an upper edge of the external mounting platform 132 and around an upper edge of the second plate 166 so as to overlap a portion of the second plate 166.
The first and second plates 164, 166 are secured together at this overlapping region. In this way, the connection between the first and second plates 164, 166 acts as a hook so as to prevent or minimise any leaning/tipping of the fan 166 (when arranged substantially vertically). Additionally, the first and second plates 164, 166 are secured together proximate a lower region of the bracket 162 and external mounting platform 132.
In the illustrated embodiment, the bracket plates 164, 166 are secured together via anti-vibration mounts 170 positioned therebetween so as to dampen the vibration and noise generated by the fan assembly and are not transferred to the building structure. In alternative arrangements, rigid mounting members may be used in place of the anti-vibration mounts.
Although the invention has been described above with reference to one or more preferred embodiments, it will be appreciated that various changes or modifications may be made without departing from the scope of the invention as defined in the appended claims.
Claims (16)
- Claims 1. A fan housing assembly for mounting to a building structure, the housing assembly comprising: a housing in the form of a duct comprising an inlet, an outlet, and defining an air flow path from the inlet to the outlet; a fan mounting arrangement for supporting a fan within the housing along the air flow path; wherein the fan mounting arrangement comprises a first part positioned within the housing configured to mount a fan within the housing, and a second part at least partially positioned outside of the housing for mounting the fan housing assembly to a building structure.
- 2. An assembly according to claim 1, wherein the fan mounting arrangement is configured such that more of the mechanical forces from a fan mounted thereto are reacted through the fan mounting arrangement than any other connection of a fan to the fan housing assembly.
- 3. An assembly according to claim 1 or claim 2, wherein the fan mounting arrangement is configured such that substantially all of the mechanical forces from a fan mounted thereto are reacted through the fan mounting arrangement.
- 4. An assembly according to any preceding claim, wherein the first part of the fan mounting arrangement is configured to directly support a fan within the housing.
- 5. An assembly according to any preceding claim, wherein the first part of the fan mounting arrangement comprises an internal mounting platform positioned within the housing for mounting a fan thereon.
- 6. An assembly according to any preceding claim, wherein the second part of the fan mounting arrangement comprises an external mounting platform for mounting the fan housing assembly to a building structure.
- 7. An assembly according to claim 6, wherein the external mounting platform comprises an anti-vibration mount for mounting the external mounting platform to a building structure.
- 8. An assembly according to any preceding claim, wherein the fan mounting arrangement is configured to rigidly connect the fan to a building structure.
- 9. An assembly according to any preceding claim, wherein the housing comprises a side wall, and wherein the first and second parts of the fan mounting arrangement are removably connected together by at least one support member extending through the housing side wall.
- 10. An assembly according to claim 9, wherein the at least one support member comprises an anti-vibration mount.
- 11.An assembly according to claim 9 or claim 10, comprising at least two support members arranged in a spaced apart array defining two opposing groups of support members.
- 12.An assembly according to claim 11, wherein the angle between the opposing groups of support members is in the range of 60°400° with respect to each other, optionally between 70°-90°, for example approximately 80°.
- 13. An assembly according to any preceding claim, comprising a fan mounted to the first part of the fan mounting arrangement.
- 14. An assembly according to any preceding claim, wherein the fan mounting arrangement comprises a bracket for mounting the second part of the fan mounting arrangement to a building structure.
- 15. An assembly according to claim 14, wherein the bracket comprises two bracket plates configured to clamp the second part of the fan mounting arrangement therebetween for mounting the fan housing assembly to a building structure.
- 16. An assembly according to claim 15, wherein the bracket plates comprise anti-vibration mounts positioned therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1821024.5A GB2580118A (en) | 2018-12-21 | 2018-12-21 | A fan housing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1821024.5A GB2580118A (en) | 2018-12-21 | 2018-12-21 | A fan housing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB201821024D0 GB201821024D0 (en) | 2019-02-06 |
| GB2580118A true GB2580118A (en) | 2020-07-15 |
Family
ID=65364581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1821024.5A Withdrawn GB2580118A (en) | 2018-12-21 | 2018-12-21 | A fan housing assembly |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2580118A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6471473B1 (en) * | 2000-10-17 | 2002-10-29 | Rule Industries, Inc. | Marine in bilge blower |
| CN203441823U (en) * | 2013-07-30 | 2014-02-19 | 四川省品信机械有限公司 | Axial flow fan |
| CN206753945U (en) * | 2017-03-31 | 2017-12-15 | 株洲联诚集团控股股份有限公司 | Radial type electric power wheel self-discharging vehicle braking resistor blower fan |
| CN107882755A (en) * | 2017-11-08 | 2018-04-06 | 郑兴 | A kind of blower fan with silencing function |
| CN108930660A (en) * | 2018-07-18 | 2018-12-04 | 杭州新融方科技有限公司 | A kind of low noise intelligent pipeline blower and its operating method based on Internet of Things |
| CN208330805U (en) * | 2018-06-19 | 2019-01-04 | 靖江市易凯通风设备有限公司 | A kind of outer rotor pipeline fan |
| CN208431182U (en) * | 2018-05-21 | 2019-01-25 | 中铁十局集团青岛工程有限公司 | Tunnel fan |
-
2018
- 2018-12-21 GB GB1821024.5A patent/GB2580118A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6471473B1 (en) * | 2000-10-17 | 2002-10-29 | Rule Industries, Inc. | Marine in bilge blower |
| CN203441823U (en) * | 2013-07-30 | 2014-02-19 | 四川省品信机械有限公司 | Axial flow fan |
| CN206753945U (en) * | 2017-03-31 | 2017-12-15 | 株洲联诚集团控股股份有限公司 | Radial type electric power wheel self-discharging vehicle braking resistor blower fan |
| CN107882755A (en) * | 2017-11-08 | 2018-04-06 | 郑兴 | A kind of blower fan with silencing function |
| CN208431182U (en) * | 2018-05-21 | 2019-01-25 | 中铁十局集团青岛工程有限公司 | Tunnel fan |
| CN208330805U (en) * | 2018-06-19 | 2019-01-04 | 靖江市易凯通风设备有限公司 | A kind of outer rotor pipeline fan |
| CN108930660A (en) * | 2018-07-18 | 2018-12-04 | 杭州新融方科技有限公司 | A kind of low noise intelligent pipeline blower and its operating method based on Internet of Things |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201821024D0 (en) | 2019-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |