JP2019052581A5 - - Google Patents
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- JP2019052581A5 JP2019052581A5 JP2017176877A JP2017176877A JP2019052581A5 JP 2019052581 A5 JP2019052581 A5 JP 2019052581A5 JP 2017176877 A JP2017176877 A JP 2017176877A JP 2017176877 A JP2017176877 A JP 2017176877A JP 2019052581 A5 JP2019052581 A5 JP 2019052581A5
- Authority
- JP
- Japan
- Prior art keywords
- cooling fan
- wings
- wing piece
- construction machine
- ring
- 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.)
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- 238000001816 cooling Methods 0.000 claims 28
- 238000010276 construction Methods 0.000 claims 18
- 230000002093 peripheral Effects 0.000 claims 6
- 230000000875 corresponding Effects 0.000 claims 2
- 230000004323 axial length Effects 0.000 claims 1
Claims (9)
周方向に間隔をあけて配置された複数の主翼と、
前記複数の主翼の外周側端部を連結するリングとを備え、
前記複数の主翼は、それらの翼間のうち少なくとも１つが他の翼間よりも広くなるように配置され、
前記リングは、内径及び外径が前記冷却ファンの吐出方向に向かって拡大する拡径部を有し、前記拡径部が前記冷却ファンの軸方向において前記シュラウドよりも前記冷却ファンの吐出側に位置するように配置され、
前記リングの前記拡径部の外周部に周方向に間隔をあけて配置された複数の翼片部を更に備え、
前記複数の翼片部は、前記リングにおける広い翼間に位置する部分であって当該翼間を形成する２つの主翼のうちの前記冷却ファンの回転方向の後方側の主翼の前縁の位置に対応する部分を跨る第１領域に配置された複数の第１翼片部と、前記リングにおける第１領域外に配置された複数の第２翼片部とで構成され、
前記複数の第１翼片部は、前記複数の第２翼片部よりも、前記リングとの結合部に生じる応力を緩和する形状に形成されている
ことを特徴とする建設機械の冷却ファン。 A cooling fan for construction machinery that is arranged with a gap on the inner peripheral side of the shroud,
A plurality of wings arranged at intervals in the circumferential direction,
A ring connecting outer peripheral ends of the plurality of main wings,
The plurality of wings are arranged such that at least one of the wings is wider than the other wings,
The ring has an enlarged diameter portion whose inner diameter and outer diameter increase in the direction of discharge of the cooling fan, and the enlarged diameter portion is closer to the discharge side of the cooling fan than the shroud in the axial direction of the cooling fan. Placed so that
The ring further includes a plurality of wing pieces disposed circumferentially at intervals on an outer peripheral portion of the enlarged diameter portion of the ring,
The plurality of wing pieces are portions located between wide wings in the ring, and are located at a position of a leading edge of a main wing on a rear side in a rotation direction of the cooling fan among two main wings forming an interval between the wings. A plurality of first wing pieces arranged in a first area over a corresponding portion, and a plurality of second wing pieces arranged outside the first area in the ring;
The cooling fan for a construction machine, wherein the plurality of first blade pieces are formed in a shape that relieves stress generated at a joint with the ring more than the plurality of second blade pieces.
前記第１翼片部及び前記第２翼片部は、それぞれ根元部にフィレット部を有し、
前記第１翼片部は、そのフィレット部が前記第２翼片部の前記フィレット部よりも大きくなるように構成されている
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 1,
The first wing piece portion and the second wing piece portion each have a fillet portion at a root portion,
A cooling fan for a construction machine, wherein the first wing piece portion is configured such that a fillet portion thereof is larger than the fillet portion of the second wing piece portion.
前記第１翼片部及び前記第２翼片部は、前記冷却ファンの回転方向に対して後傾するように構成され、
前記第１翼片部の前記フィレット部及び前記第２翼片部の前記フィレット部は、それぞれ前記第１翼片部の反回転方向側の側面及び前記第２翼片部の反回転方向側の側面に設けられている
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 2,
The first wing piece portion and the second wing piece portion are configured to be inclined backward with respect to the rotation direction of the cooling fan,
The fillet portion of the first wing piece portion and the fillet portion of the second wing piece portion are provided on a side surface on a side opposite to the rotation direction of the first wing piece portion and on a side opposite to the rotation direction of the second wing piece portion, respectively. A cooling fan for construction machinery, which is provided on a side surface.
前記第１翼片部は、前記第２翼片部よりも質量が小さい形状で形成されている
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 1,
The cooling fan of a construction machine, wherein the first wing piece is formed in a shape having a smaller mass than the second wing piece.
前記第１翼片部は、前記第２翼片部よりも厚みが小さくなるように構成されている
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 4,
A cooling fan for a construction machine, wherein the first wing piece portion is configured to have a smaller thickness than the second wing piece portion.
前記第１翼片部は、前記第２翼片部よりも径方向の長さが短くなるように構成されている
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 4,
The cooling fan for a construction machine , wherein the first wing piece portion is configured to have a radial length shorter than the second wing piece portion.
前記第１翼片部は、前記第２翼片部よりも軸方向の長さが短くなるように構成されている
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 4,
A cooling fan for a construction machine , wherein the first wing piece is configured to have a shorter axial length than the second wing piece.
前記複数の第１翼片部を連結するリブを有する
ことを特徴とする建設機械の冷却ファン。 The cooling fan for a construction machine according to claim 1,
A cooling fan for a construction machine , comprising: a rib connecting the plurality of first blade pieces.
周方向に間隔をあけて配置された複数の主翼と、
前記複数の主翼の外周側端部を連結するリングとを備え、
前記複数の主翼は、それらの翼間のうち少なくとも１つが他の翼間よりも広くなるように配置され、
前記リングは、内径及び外径が前記冷却ファンの吐出方向に向かって拡大する拡径部を有し、前記拡径部が前記冷却ファンの軸方向において前記シュラウドよりも前記冷却ファンの吐出側に位置するように配置され、
前記リングの前記拡径部の外周部に周方向に間隔をあけて配置された複数の翼片部を更に備え、
前記複数の翼片部は、前記リングにおける広い翼間に位置する部分であって当該翼間を形成する２つの主翼のうちの前記冷却ファンの回転方向の後方側の主翼の前縁の位置に対応する部分を跨る領域を除く、前記リングの周方向の全域に配置されている
ことを特徴とする建設機械の冷却ファン。 A cooling fan for construction machinery that is arranged with a gap on the inner peripheral side of the shroud,
A plurality of wings arranged at intervals in the circumferential direction,
A ring connecting outer peripheral ends of the plurality of main wings,
The plurality of wings are arranged such that at least one of the wings is wider than the other wings,
The ring has an enlarged diameter portion whose inner diameter and outer diameter increase in the direction of discharge of the cooling fan, and the enlarged diameter portion is closer to the discharge side of the cooling fan than the shroud in the axial direction of the cooling fan. Placed so that
The ring further includes a plurality of wing pieces disposed circumferentially at intervals on an outer peripheral portion of the enlarged diameter portion of the ring,
The plurality of wing pieces are portions located between wide wings in the ring, and are located at a position of a leading edge of a main wing on a rear side in a rotation direction of the cooling fan among two main wings forming an interval between the wings. A cooling fan for a construction machine, wherein the cooling fan is arranged over the entire region in the circumferential direction of the ring except for a region extending over a corresponding portion .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017176877A JP6829672B2 (en) | 2017-09-14 | 2017-09-14 | Construction machinery cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017176877A JP6829672B2 (en) | 2017-09-14 | 2017-09-14 | Construction machinery cooling fan |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019052581A JP2019052581A (en) | 2019-04-04 |
| JP2019052581A5 true JP2019052581A5 (en) | 2020-04-09 |
| JP6829672B2 JP6829672B2 (en) | 2021-02-10 |
Family
ID=66013331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017176877A Active JP6829672B2 (en) | 2017-09-14 | 2017-09-14 | Construction machinery cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6829672B2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62195494A (en) * | 1986-02-21 | 1987-08-28 | Aisin Seiki Co Ltd | Cooling device for internal combustion engine |
| JP4762775B2 (en) * | 2006-04-13 | 2011-08-31 | カルソニックカンセイ株式会社 | Ring fan and manufacturing method thereof |
| CN101652573B (en) * | 2007-04-05 | 2012-02-01 | 博格华纳公司 | ring fan and shroud air guide system |
| JP6112814B2 (en) * | 2012-09-27 | 2017-04-12 | ダイハツ工業株式会社 | Ring fan |
| JP5913161B2 (en) * | 2013-03-12 | 2016-04-27 | 株式会社塩崎鉄工所 | Fan device |
| JP6224952B2 (en) * | 2013-08-19 | 2017-11-01 | 株式会社Ｓｏｋｅｎ | Blower |
| JP2015155681A (en) * | 2014-02-21 | 2015-08-27 | 株式会社デンソー | blower |
-
2017
- 2017-09-14 JP JP2017176877A patent/JP6829672B2/en active Active
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