JP2014015933A - Blower wheel with improved wheel hub to blade interface - Google Patents

Blower wheel with improved wheel hub to blade interface Download PDF

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JP2014015933A
JP2014015933A JP2013140996A JP2013140996A JP2014015933A JP 2014015933 A JP2014015933 A JP 2014015933A JP 2013140996 A JP2013140996 A JP 2013140996A JP 2013140996 A JP2013140996 A JP 2013140996A JP 2014015933 A JP2014015933 A JP 2014015933A
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hub
blower wheel
blower
blades
blade
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Iyer Jayanthi
アイヤル ジャヤンティ
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Visteon Global Technologies Inc
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Visteon Global Technologies Inc
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a blower wheel having a plurality of blades which maximizes an airflow through the blades and optimizes efficiency thereof.SOLUTION: A blower wheel for use in a blower assembly includes a hub, a concentrically arranged outer ring, and an array of spaced apart blades extending between the hub and the outer ring. The hub includes an outer first surface and an inner second surface. An interface between an outer edge of a first end of each of the blades and an outer peripheral edge of the outer first surface of the hub is minimized, increasing an effective blade exit height of the blower wheel. As such, an effective open area for airflow between the blades of the blower wheel is increased over that of the prior art blower wheels. Further, a substantially planar lower face of the hub provides additional structural integrity to the hub, and thereby the blades.

Description

本発明は、送風機ホイールに関し、特に、羽根を通る気流を最大化し且つその効率を最適化する複数の羽根を備えた送風機ホイールに関する。
本出願は、２０１２年７月５日に出願された米国特許仮出願第６１／６６８，１７５号の利益を主張するものであり、その全開示は、本願明細書に援用されている。 The present invention relates to a blower wheel, and more particularly to a blower wheel with a plurality of vanes that maximizes the airflow through the vanes and optimizes their efficiency.
This application claims the benefit of US Provisional Application No. 61 / 668,175, filed Jul. 5, 2012, the entire disclosure of which is hereby incorporated by reference.

遠心送風機アセンブリは、一般に、空気ダクトを通る強制気流を差し向けるために使用される。典型的な送風機アセンブリでは、空気は、空気吸入口からハウジングに吸い込まれ、ハウジングから空気排気口を通って排出される。送風機アセンブリは、典型的には、ハウジング内で所定の方向に回転する電動送風機ホイールを含む。送風機ホイールは、ハブに連結される１つ又は複数の湾曲した羽根を備え、この羽根は、回転軸に沿って軸方向に空気を送風機ホイールに引き込み、そこから半径方向外側に空気を送り出す。   Centrifugal blower assemblies are commonly used to direct forced airflow through air ducts. In a typical blower assembly, air is drawn into the housing from the air inlet and exhausted from the housing through the air outlet. The blower assembly typically includes an electric blower wheel that rotates in a predetermined direction within the housing. The blower wheel includes one or more curved vanes connected to a hub, which draws air axially along the axis of rotation into the blower wheel and from there radially out.

典型的には、車両の暖房、換気、及び空調（ＨＶＡＣ）システム等の温度湿度調節用途において、遠心送風機は、車両の動作条件の範囲に亘って有効且つ効率的に動作するよう要求される。しかしながら、現在の遠心送風機の羽根とハブとの間の境界面は、遮断が羽根間の気流の有効な開放領域を減少させるように構成されている。   Typically, in temperature and humidity control applications such as vehicle heating, ventilation, and air conditioning (HVAC) systems, centrifugal fans are required to operate effectively and efficiently over a range of vehicle operating conditions. However, the interface between current centrifugal blower blades and hubs is configured such that the blockage reduces the effective open area of the airflow between the blades.

したがって、性能、効率、及び構造的完全性を最大化する一方で、その費用及び複雑性を最小化する送風機ホイールを製造することが望ましい。   It is therefore desirable to produce a blower wheel that maximizes performance, efficiency, and structural integrity while minimizing its cost and complexity.

本発明によれば、性能及び構造的完全性を最大化する一方で、その費用及び複雑性を最小化する送風機ホイールを見出した。   In accordance with the present invention, a fan wheel has been found that maximizes performance and structural integrity while minimizing its cost and complexity.

一実施形態において、送風機ホイールは、第１の表面及び外周縁を備えたハブと、ハブと同心であり且つそれから離間した外輪と、ハブと外輪との間を延びる少なくとも１つの羽根と、を有し、外周縁の厚さは、約２．５ｍｍ未満である。   In one embodiment, the blower wheel has a hub having a first surface and an outer periphery, an outer ring concentric with and spaced from the hub, and at least one vane extending between the hub and the outer ring. However, the thickness of the outer peripheral edge is less than about 2.5 mm.

他の実施形態では、送風機ホイールは、外表面及び外周縁を有するハブと、ハブと同心であり、且つそれから離間した外輪と、ハブと外輪との間を延びる少なくとも１つの羽根とを備え、少なくとも１つの羽根の有効な羽根出口高さは、少なくとも１つの羽根の総羽根出口開口に実質的に等しい。   In another embodiment, the blower wheel comprises a hub having an outer surface and an outer periphery, an outer ring concentric with and spaced from the hub, and at least one vane extending between the hub and the outer ring, and at least The effective blade outlet height of one blade is substantially equal to the total blade outlet opening of at least one blade.

更なる別の実施形態では、送風機ホイールは、内表面、外表面、及び外周縁を備えたハブと、ハブと同心であり且つそれから離間した外輪と、ハブと外輪との間を延びる少なくとも１つの羽根と、を有し、ハブの外表面のうちの少なくとも１つは、実質的に平面の外面で終結し、ハブの内表面は、実質的に平面の内面で終結する。   In yet another embodiment, the blower wheel includes at least one hub extending between the hub having an inner surface, an outer surface, and an outer periphery, an outer ring concentric with and spaced from the hub, and the hub and the outer ring. And at least one of the outer surfaces of the hub terminates in a substantially planar outer surface and the inner surface of the hub terminates in a substantially planar inner surface.

上述した本発明の他の目的及び利点は、添付図面を参照し、以下の本発明の好ましい実施形態の詳細な説明を参酌することにより当業者にとって容易に明らかになる。   Other objects and advantages of the present invention described above will be readily apparent to those skilled in the art from the following detailed description of the preferred embodiments of the invention with reference to the accompanying drawings.

本発明の一実施形態による送風機ホイールの断片的な断面立面図である。1 is a fragmentary cross-sectional elevation view of a blower wheel according to an embodiment of the present invention. 本発明の他の実施形態による送風機ホイールの断片的な断面立面図である。It is a fragmentary sectional elevation view of a blower wheel according to another embodiment of the present invention.

以下の詳細な説明及び添付図面は、本発明の種々の例示的な実施形態を説明して図示する。この詳細な説明及び図面は、当業者が本発明を作製及び使用するのを可能にする役目を果たし、いかなる方法においても、本発明の範囲を制限するものではない。   The following detailed description and the accompanying drawings illustrate and illustrate various exemplary embodiments of the invention. This detailed description and drawings serve to enable one skilled in the art to make and use the invention and are not intended to limit the scope of the invention in any way.

図１は、本発明による送風機ホイール１０を示す。所望の場合、送風機ホイール１０を、例えば、車両の空調装置用の送風機アセンブリ等の任意の送風機アセンブリにおいて使用してもよい。典型的には、送風機ホイール１０は、ハウジング（図示せず）内で送風機ホイール１０の回転運動を引き起こすために、ハウジング（図示せず）内に配置され、モータ（図示せず）に回転可能に連結される。しかしながら、所望の場合、送風機ホイール１０を任意の手動又は自動手段を用いて回転させてもよいことが理解される。第１の方向における送風機ホイール１０の回転運動は、ハウジングの空気吸入口内で受け取られた気流を半径方向外側方向に増加した動的圧力で流動させる。所望の場合、図示される送風機ホイール１０を、例えば、プラスチック材料等の任意の好適な材料から形成してもよい。   FIG. 1 shows a blower wheel 10 according to the present invention. If desired, the blower wheel 10 may be used in any blower assembly, such as, for example, a blower assembly for a vehicle air conditioner. Typically, the blower wheel 10 is disposed within a housing (not shown) and is rotatable to a motor (not shown) to cause rotational movement of the blower wheel 10 within the housing (not shown). Connected. However, it is understood that the blower wheel 10 may be rotated using any manual or automatic means if desired. The rotational movement of the blower wheel 10 in the first direction causes the air flow received in the air inlet of the housing to flow with increased dynamic pressure in the radially outward direction. If desired, the illustrated blower wheel 10 may be formed from any suitable material, such as, for example, a plastic material.

図示されるように、送風機ホイール１０は、ハブ１４と同心円状に配置された外輪１６との間に延びる離間した羽根１２の環状配列を含む。ある特定の実施形態において、羽根１２は、送風機ホイール１０の回転軸に対して等間隔でハブ１４上に配置されるが、他の間隔を採用してもよい。所望の場合、図示されるよりも多くの羽根１２を採用してもよいし、少ない羽根１２を採用してもよい。各羽根１２は、ハブ１４から外輪１６まで延びる実質的に線形の前縁１８及び実質的に線形の後縁２０を含む。各羽根１２は、更に、第１の表面２２及び反対側の第２の表面（図示せず）を備えている。ある特定の実施形態では、第１の表面２２は、送風機ホイール１０の回転方向に実質的に凹状の形状を有し、第２の表面は、送風機ホイール１０の回転方向に実質的に凸状の形状を備えている。第１の表面２２及び第２の表面は、所望の場合、例えば、送風機ホイール１０の回転方向に実質的に凹状の形状を備えていてもよいし、送風機ホイール１０の回転方向に実質的に凸状の形状を備えていてもよいし、或いは、実質的に平面の形状等の任意の形状を備えていてもよいことが理解される。   As shown, the blower wheel 10 includes an annular array of spaced blades 12 extending between a hub 14 and a concentric outer ring 16. In certain embodiments, the vanes 12 are disposed on the hub 14 at regular intervals with respect to the rotational axis of the blower wheel 10, although other intervals may be employed. If desired, more or fewer blades 12 than shown may be employed. Each vane 12 includes a substantially linear leading edge 18 and a substantially linear trailing edge 20 that extend from the hub 14 to the outer ring 16. Each vane 12 further includes a first surface 22 and an opposite second surface (not shown). In certain embodiments, the first surface 22 has a substantially concave shape in the direction of rotation of the blower wheel 10 and the second surface is substantially convex in the direction of rotation of the blower wheel 10. It has a shape. If desired, the first surface 22 and the second surface may be provided with a substantially concave shape in the rotational direction of the blower wheel 10 or substantially convex in the rotational direction of the blower wheel 10, for example. It is understood that the shape may be provided, or any shape such as a substantially planar shape may be provided.

ハブ１４は、ほぼドーム形状であり、第１の外表面２４、同一の広がりを持つ第２の内表面２６、及びその先端に形成されるノーズ部分２７を有する。ノーズ部分２７は、所望の場合、任意の形状及び寸法を有してもよい。第１の外表面２４及び第２の内表面２６のそれぞれは、ハブ１４の外周縁２８でほぼ弓形である。外周縁２８の実質的な平面３０は、表面２４と表面２６との間に延び、ハブ１４の回転軸に対して実質的に垂直に形成される。ハブ１４の実質的な平面３０の幅（Ｗ）は、ハブ１４、そして羽根１２にさらなる構造的完全性を提供する。非限定的な例として、実質的な平面３０の幅（Ｗ）は、約０．５ｍｍ〜約２．５ｍｍの範囲内である。しかしながら、実質的な平面３０は、所望の場合、任意の幅（Ｗ）を有してもよいことが理解される。   The hub 14 is generally dome-shaped and has a first outer surface 24, a second inner surface 26 that is coextensive, and a nose portion 27 formed at the tip thereof. The nose portion 27 may have any shape and size, if desired. Each of the first outer surface 24 and the second inner surface 26 is generally arcuate at the outer peripheral edge 28 of the hub 14. A substantially flat surface 30 of the outer peripheral edge 28 extends between the surface 24 and the surface 26 and is formed substantially perpendicular to the axis of rotation of the hub 14. The substantial planar 30 width (W) of the hub 14 provides additional structural integrity to the hub 14 and the vanes 12. As a non-limiting example, the width (W) of the substantially planar surface 30 is in the range of about 0.5 mm to about 2.5 mm. However, it is understood that the substantial plane 30 may have any width (W) if desired.

各羽根１２は、前縁１８から後縁２０まで延びる第１の端部３１を有する。前縁１８に隣接した第１の端部３１の一部分は、第１の外表面２４の形状及び輪郭に一致するように構成される。羽根１２のうちの１つ以上の第１の端部３１の外縁３２から外輪１６の外縁２９までの距離は、総羽根出口開口（ＴＢＯ）と見なされる。総羽根出口開口（ＴＢＯ）は、羽根１２間の気流の開放領域の実際の高さである。有効な羽根出口高さ（ＥＢＨ）は、外周縁２８の総羽根出口開口（ＴＢＯ）から厚さを差し引いた値に実質的に等しい。   Each vane 12 has a first end 31 that extends from the leading edge 18 to the trailing edge 20. A portion of the first end 31 adjacent to the leading edge 18 is configured to match the shape and contour of the first outer surface 24. The distance from the outer edge 32 of one or more first ends 31 of the blades 12 to the outer edge 29 of the outer ring 16 is considered the total blade outlet opening (TBO). The total blade outlet opening (TBO) is the actual height of the open area of airflow between the blades 12. The effective blade outlet height (EBH) is substantially equal to the total blade outlet opening (TBO) at the outer peripheral edge 28 minus the thickness.

本発明において、羽根１２のそれぞれの第１の端部３１の外縁３２とハブ１４の第１の外表面２４、より具体的には、外周縁２８との間の境界面が最小化され、先行技術の送風機ホイールよりも、有効な羽根出口高さ（ＥＢＨ）を増加させる。図示されるように、ハブ１４の外周縁の厚さ２８は、約２．５ｍｍ未満、本質的には０．０ｍｍである。したがって、有効な羽根出口高さ（ＥＢＨ）は、総羽根出口開口（ＴＢＯ）に実質的に等しく、先行技術の送風機ホイールよりも、羽根１２間の気流の有効な開放領域を約３．５％〜約４％増加させる。実質的な平面３０の有効な羽根出口高さ（ＥＢＨ）及び幅（Ｗ）の様々な構成を採用して、送風機ホイール１０の性能及び構造的完全性を最大化することができる。   In the present invention, the interface between the outer edge 32 of each first end 31 of the vane 12 and the first outer surface 24 of the hub 14, more specifically the outer peripheral edge 28, is minimized, leading to Increases effective vane outlet height (EBH) over technical blower wheels. As shown, the outer peripheral thickness 28 of the hub 14 is less than about 2.5 mm, essentially 0.0 mm. Thus, the effective vane outlet height (EBH) is substantially equal to the total vane outlet opening (TBO), which provides an effective open area of airflow between the vanes 12 of about 3.5% over prior art blower wheels. Increase by ~ 4%. Various configurations of effective blade outlet height (EBH) and width (W) of the substantially planar surface 30 can be employed to maximize the performance and structural integrity of the blower wheel 10.

図２は、図１に示す送風機ホイール１０の他の実施形態を示す。図１に示す構造に類似した構造は、明確にするために、同一の参照番号及び単一のプライム符号（’）を含む。図示されるように、送風機ホイール１０’は、ハブ１４’と同心円状に配置された外輪１６’との間を延びる離間した羽根１２’の環状配列を含む。ある特定の実施形態において、羽根１２’は、送風機ホイール１０’の回転軸に対して等間隔でハブ１４’上に配置されるが、他の間隔を採用してもよい。所望の場合、図示されるよりも多い羽根１２’を採用してもよいし、少ない羽根１２’を採用してもよい。各羽根１２’は、ハブ１４’から外輪１６’まで延びる実質的に線形の前縁１８’及び実質的に線形の後縁２０’を含む。各羽根１２’は、第１の表面２２’及び反対側の第２の表面（図示せず）をさらに含む。ある特定の実施形態において、第１の表面２２’は、送風機ホイール１０’の回転方向に実質的に凹状の形状を有し、第２の表面は、送風機ホイール１０’の回転方向に実質的に凸状の形状を有する。第１の表面２２’及び第２の表面は、所望の場合、例えば、送風機ホイール１０’の回転方向に実質的に凹状の形状、送風機ホイール１０’の回転方向に実質的に凸状の形状、又は実質的に平面の形状等の任意の形状を有してもよいことが理解される。   FIG. 2 shows another embodiment of the blower wheel 10 shown in FIG. Structures similar to those shown in FIG. 1 include the same reference numbers and a single prime code (') for clarity. As shown, the blower wheel 10 'includes an annular array of spaced blades 12' extending between a hub 14 'and an outer ring 16' disposed concentrically. In certain embodiments, the vanes 12 'are disposed on the hub 14' at regular intervals relative to the rotational axis of the blower wheel 10 ', although other intervals may be employed. If desired, more blades 12 'may be employed than shown or fewer blades 12' may be employed. Each vane 12 'includes a substantially linear leading edge 18' and a substantially linear trailing edge 20 'extending from the hub 14' to the outer ring 16 '. Each vane 12 'further includes a first surface 22' and an opposite second surface (not shown). In certain embodiments, the first surface 22 'has a substantially concave shape in the direction of rotation of the blower wheel 10' and the second surface is substantially in the direction of rotation of the blower wheel 10 '. It has a convex shape. If desired, the first surface 22 ′ and the second surface can be, for example, a substantially concave shape in the rotational direction of the blower wheel 10 ′, a substantially convex shape in the rotational direction of the blower wheel 10 ′, Or it is understood that it may have any shape, such as a substantially planar shape.

ハブ１４’は、ほぼドーム形であり、第１の外表面２４’、同一の広がりを持つ第２の内表面２６’、及びその先端に形成されるノーズ部分２７’を備えている。ノーズ部分２７’は、所望の場合、任意の形状及び寸法を備えていてもよい。ハブ１４’の外周縁２８’において、第１の外表面２４’は、実質的に平面の第１の外面４０で終結し、第２の内表面２６’は、実質的に平面の第２の内面４２で終結する。図示されるように、第１の外面４０は、第２の内面４２と実質的に平行に形成され、面４０，４２のそれぞれは、ハブ１４’の回転軸と実質的に平行に形成される。しかしながら、所望の場合、面４０，４２を任意の構成及び配向で形成してもよいことが理解される。実質的に平面の第３の面４４は、面４０と面４２との間を延び、ハブ１４’の回転軸に実質的に垂直に形成される。ハブ１４’の第３の面４４の幅（Ｗ’）は、ハブ１４’、そして羽根１２’にさらなる構造的完全性を提供する。非限定的な例として、第３の面４４の幅（Ｗ）は、約０．５ｍｍ〜約２．５ｍｍの範囲内である。しかしながら、所望の場合、第３の面４４が任意の幅（Ｗ）を備えていてもよいことが理解される。   The hub 14 'is generally dome-shaped and includes a first outer surface 24', a coextensive second inner surface 26 ', and a nose portion 27' formed at the tip thereof. The nose portion 27 'may have any shape and size if desired. At the outer peripheral edge 28 ′ of the hub 14 ′, the first outer surface 24 ′ terminates in a substantially planar first outer surface 40 and the second inner surface 26 ′ is a substantially planar second surface. Ends at the inner surface 42. As shown, the first outer surface 40 is formed substantially parallel to the second inner surface 42, and each of the surfaces 40, 42 is formed substantially parallel to the axis of rotation of the hub 14 '. . However, it is understood that the surfaces 40, 42 may be formed in any configuration and orientation if desired. A substantially planar third surface 44 extends between surfaces 40 and 42 and is formed substantially perpendicular to the axis of rotation of hub 14 '. The width (W ') of the third surface 44 of the hub 14' provides additional structural integrity to the hub 14 'and the vanes 12'. As a non-limiting example, the width (W) of the third surface 44 is in the range of about 0.5 mm to about 2.5 mm. However, it is understood that the third surface 44 may have any width (W) if desired.

各羽根１２’は、前縁１８’から後縁２０’まで延びる第１の端部３１’を備えている。前縁１８’に隣接した第１の端部３１’の一部分は、第１の外表面２４’の形状及び輪郭に一致するように構成される。１つ又は複数の羽根１２’のうちの第１の端部３１’の外縁３２’から外輪１６’の外縁２９’までの距離は、総羽根出口開口（ＴＢＯ’）と見なされる。総羽根出口開口（ＴＢＯ’）は、羽根１２’間の気流の開放領域の実際の高さである。有効な羽根出口高さ（ＥＢＨ’）は、外周縁２８’の総羽根出口開口（ＴＢＯ’）から厚さ（Ｔ）を差し引いた値に実質的に等しい。   Each vane 12 'includes a first end 31' extending from the leading edge 18 'to the trailing edge 20'. A portion of the first end 31 'adjacent to the leading edge 18' is configured to match the shape and contour of the first outer surface 24 '. The distance from the outer edge 32 ′ of the first end 31 ′ of the one or more blades 12 ′ to the outer edge 29 ′ of the outer ring 16 ′ is considered the total blade outlet opening (TBO ′). The total blade outlet opening (TBO ') is the actual height of the open area of airflow between the blades 12'. The effective blade outlet height (EBH ') is substantially equal to the total blade outlet opening (TBO') of the outer peripheral edge 28 'minus the thickness (T).

本発明において、各羽根１２’の第１の端部３１’の外縁３２’とハブ１４’の第１の外表面２４’、より具体的には、外周縁２８’との間の境界面が最小化され、先行技術の送風機ホイールよりも、有効な羽根出口高さ（ＥＢＨ’）を増加させる。図示されるように、ハブ１４’の外周縁２８’の厚さＴは、約２．５ｍｍ未満、特に、約０．５ｍｍ〜約１．５ｍｍの範囲内である。したがって、有効な羽根出口高さ（ＥＢＨ’）は、総羽根出口開口（ＴＢＯ’）よりも最小限に小さく、先行技術の送風機ホイールよりも、羽根１２’間の気流の有効な開放領域を約２．０％〜約３％増加させる。第３の面４４の有効な羽根出口高さ（ＥＢＨ’）及び幅（Ｗ’）の様々な構成を採用して、送風機ホイール１０’の性能及び構造的完全性を最大化することができる。   In the present invention, the boundary surface between the outer edge 32 ′ of the first end 31 ′ of each blade 12 ′ and the first outer surface 24 ′ of the hub 14 ′, more specifically, the outer peripheral edge 28 ′ Minimized and increases the effective blade outlet height (EBH ′) over prior art blower wheels. As shown, the thickness T of the outer peripheral edge 28 'of the hub 14' is less than about 2.5 mm, particularly in the range of about 0.5 mm to about 1.5 mm. Thus, the effective vane outlet height (EBH ′) is minimally less than the total vane outlet opening (TBO ′) and reduces the effective open area of the airflow between the vanes 12 ′ over the prior art blower wheel. Increase by 2.0% to about 3%. Various configurations of effective blade outlet height (EBH ') and width (W') of the third face 44 can be employed to maximize the performance and structural integrity of the blower wheel 10 '.

送風機ホイール１０’の動作は、送風機ホイール１０の動作と実質的に類似している。簡略化のために、送風機ホイール１０の動作のみが以下で説明される。   The operation of the blower wheel 10 ′ is substantially similar to the operation of the blower wheel 10. For simplicity, only the operation of the blower wheel 10 will be described below.

使用時に、送風機ホイール１０は、モータによって駆動され、回転軸を中心に回転される。送風機ホイール１０の回転は、空気をハウジングの空気吸入口に貫流させる。羽根１２は、空気の方向を送風機ホイール１０の回転軸に平行な実質的に軸方向の方向から、回転軸に対して垂直な実質的に半径方向に変化させる。したがって、空気は、空気吸入口から送風機ホイール１０に軸方向に流入し、その後、羽根１２間の有効な開放領域を経て送風機ホイール１０から半径方向外側に且つハウジングのスクロールダクトに流入する。その後、空気は、ハウジングから所望の領域に流出する。   In use, the blower wheel 10 is driven by a motor and rotated about a rotation axis. The rotation of the blower wheel 10 causes air to flow through the air inlet of the housing. The vanes 12 change the direction of air from a substantially axial direction parallel to the rotation axis of the blower wheel 10 to a substantially radial direction perpendicular to the rotation axis. Accordingly, air flows axially from the air inlet into the blower wheel 10 and then flows radially outward from the blower wheel 10 and into the scroll duct of the housing through an effective open area between the blades 12. The air then flows out of the housing to the desired area.

上述した記載から、当業者であれば、本発明の本質的な特徴を容易に解明することができ、その精神及び範囲から逸脱することなく、本明細書に様々な変更及び修正を行って、それを様々な用途及び条件に適合させることができる。   From the above description, those skilled in the art can easily elucidate the essential features of the present invention, and various changes and modifications can be made to the present specification without departing from the spirit and scope thereof. It can be adapted to various applications and conditions.

Claims (20)

第１の表面と、外周縁と、を備えたハブと、
前記ハブと同心であり且つ前記ハブから離間した外輪と、
前記ハブと前記外輪との間を延びる少なくとも１つの羽根と、を有し、
前記外周縁の厚さは、約２．５ｍｍ未満であることを特徴とする送風機ホイール。 A hub comprising a first surface and an outer peripheral edge;
An outer ring that is concentric with and spaced from the hub;
And at least one blade extending between the hub and the outer ring,
The blower wheel characterized in that a thickness of the outer peripheral edge is less than about 2.5 mm. 前記少なくとも１つの羽根の有効な羽根出口高さは、前記少なくとも１つの羽根の総羽根出口開口に実質的に等しい請求項１記載の送風機ホイール。   The blower wheel of claim 1, wherein an effective blade outlet height of the at least one blade is substantially equal to a total blade outlet opening of the at least one blade. 前記外周縁の前記厚さは、約０．０ｍｍ〜約１．５ｍｍの範囲内である請求項１記載の送風機ホイール。   The blower wheel of claim 1, wherein the thickness of the outer peripheral edge is in a range of about 0.0 mm to about 1.5 mm. 前記ハブの前記第１の表面は、その前記外周縁でほぼ弓形である請求項１記載の送風機ホイール。   The blower wheel of claim 1, wherein the first surface of the hub is generally arcuate at the outer periphery thereof. 前記ハブの前記第１の表面のうちの少なくとも１つは、実質的に平面の第１の面で終結し、前記ハブの第２の表面は、実質的に平面の第２の面で終結する請求項１記載の送風機ホイール。   At least one of the first surfaces of the hub terminates in a substantially planar first surface and the second surface of the hub terminates in a substantially planar second surface. The blower wheel according to claim 1. 前記第１の面は、前記第２の面と実質的に平行である請求項５記載の送風機ホイール。   The blower wheel according to claim 5, wherein the first surface is substantially parallel to the second surface. 前記第１の面及び前記第２の面のうちの少なくとも１つは、前記ハブの回転軸と実質的に平行である請求項５記載の送風機ホイール。   The blower wheel according to claim 5, wherein at least one of the first surface and the second surface is substantially parallel to a rotation axis of the hub. 前記ハブは、前記第１の面と前記第２の面との間を延びる実質的に平面の第３の面を備えている請求項５記載の送風機ホイール。   The blower wheel of claim 5, wherein the hub includes a substantially planar third surface extending between the first surface and the second surface. 前記第３の面は、前記ハブの回転軸に実質的に垂直である請求項８記載の送風機ホイール。   The blower wheel according to claim 8, wherein the third surface is substantially perpendicular to a rotation axis of the hub. 前記ハブの前記第３の面の幅は、約０．５ｍｍ〜約２．５ｍｍの範囲内である請求項８記載の送風機ホイール。   The blower wheel of claim 8, wherein the width of the third surface of the hub is in the range of about 0.5 mm to about 2.5 mm. 外表面と、外周縁と、を有するハブと、
前記ハブと同心であり且つ前記ハブから離間した外輪と、
前記ハブと前記外輪との間を延びる少なくとも１つの羽根と、を有し、
前記少なくとも１つの羽根の有効な羽根出口高さは、前記少なくとも１つの羽根の総羽根出口開口に実質的に等しいことを特徴とする送風機ホイール。 A hub having an outer surface and an outer peripheral edge;
An outer ring that is concentric with and spaced from the hub;
And at least one blade extending between the hub and the outer ring,
A blower wheel, wherein the effective blade outlet height of the at least one blade is substantially equal to the total blade outlet opening of the at least one blade. 前記ハブの前記外表面は、その前記外周縁でほぼ弓形である請求項１１記載の送風機ホイール。   The blower wheel of claim 11, wherein the outer surface of the hub is generally arcuate at the outer periphery thereof. 前記ハブは、実質的な平面を含む請求項１１記載の送風機ホイール。   The blower wheel of claim 11, wherein the hub includes a substantially planar surface. 前記ハブの前記面の幅は、約０．５ｍｍ〜約２．５ｍｍの範囲内である請求項１３記載の送風機ホイール。   The blower wheel of claim 13, wherein the width of the surface of the hub is in the range of about 0.5 mm to about 2.5 mm. 内表面と、外表面と、外周縁と、を有するハブと、
前記ハブと同心であり且つ前記ハブから離間した外輪と、
前記ハブと前記外輪との間を延びる少なくとも１つの羽根と、を有し、
前記ハブの前記外表面のうちの少なくとも１つは、実質的に平面の外面で終結し、前記ハブの前記内表面は、実質的に平面の内面で終結することを特徴とする送風機ホイール。 A hub having an inner surface, an outer surface, and an outer peripheral edge;
An outer ring that is concentric with and spaced from the hub;
And at least one blade extending between the hub and the outer ring,
At least one of the outer surfaces of the hub terminates in a substantially planar outer surface, and the inner surface of the hub terminates in a substantially planar inner surface. 前記外周縁の厚さは、約０．５ｍｍ〜約１．５ｍｍの範囲内である請求項１５記載の送風機ホイール。   The blower wheel of claim 15, wherein a thickness of the outer peripheral edge is in a range of about 0.5 mm to about 1.5 mm. 前記外面は、前記内面と実質的に平行である請求項１５記載の送風機ホイール。   The blower wheel according to claim 15, wherein the outer surface is substantially parallel to the inner surface. 前記ハブは、前記外面と前記内面との間を延びる実質的に平面の下面を含む請求項１５記載の送風機ホイール。   The blower wheel of claim 15, wherein the hub includes a substantially planar lower surface extending between the outer surface and the inner surface. 前記下面は、前記ハブの回転軸に実質的に垂直である請求項１８記載の送風機ホイール。   The blower wheel according to claim 18, wherein the lower surface is substantially perpendicular to a rotation axis of the hub. 前記ハブの前記下面の幅は、約０．５ｍｍ〜約２．５ｍｍの範囲内である請求項１８記載の送風機ホイール。   The blower wheel of claim 18, wherein a width of the lower surface of the hub is in a range of about 0.5 mm to about 2.5 mm.
JP2013140996A 2012-07-05 2013-07-04 Blower wheel with improved wheel hub to blade interface Pending JP2014015933A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07127599A (en) * 1993-11-05 1995-05-16 Nippondenso Co Ltd Centrifugal multiblade fan
JP2004027892A (en) * 2002-06-24 2004-01-29 Keihin Corp Centrifugal blower
JP2006200525A (en) * 2004-12-24 2006-08-03 Denso Corp Multi-blade centrifugal blower

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KR20080005777A (en) * 2006-07-10 2008-01-15 삼성전자주식회사 Dehumidifier and centrifugal blower there for

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07127599A (en) * 1993-11-05 1995-05-16 Nippondenso Co Ltd Centrifugal multiblade fan
JP2004027892A (en) * 2002-06-24 2004-01-29 Keihin Corp Centrifugal blower
JP2006200525A (en) * 2004-12-24 2006-08-03 Denso Corp Multi-blade centrifugal blower

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