JP2008039380A5 - - Google Patents
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- JP2008039380A5 JP2008039380A5 JP2007182056A JP2007182056A JP2008039380A5 JP 2008039380 A5 JP2008039380 A5 JP 2008039380A5 JP 2007182056 A JP2007182056 A JP 2007182056A JP 2007182056 A JP2007182056 A JP 2007182056A JP 2008039380 A5 JP2008039380 A5 JP 2008039380A5
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- exhaust gas
- exhaust
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- flow direction
- fin
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- 239000000498 cooling water Substances 0.000 claims 15
- 229910001220 stainless steel Inorganic materials 0.000 claims 10
- 239000010935 stainless steel Substances 0.000 claims 10
- 238000002485 combustion reaction Methods 0.000 claims 5
Claims (14)
内部を排気ガスが流れ、外部を冷却水が流れるステンレス製のチューブ（２１）と、
前記チューブ内に配置され、排気ガスと冷却水との間での熱交換を促進させるステンレス製のインナーフィン（２２）とを備え、
前記インナーフィンは、排気ガスの流れ方向に略垂直な断面形状が、凸部（３１）を一方側と他方側に交互に位置させて曲折する波形状であって、排気ガスの流れ方向に平行な方向で部分的に切り起こされた切り起こし部（３２）を備えるオフセットフィンであり、
前記断面形状にて、前記一方側と前記他方側のうちの同一側で隣り合う前記凸部の中心同士の距離であるフィンピッチの大きさをｆｐとし、前記断面形状における前記一方側の凸部から前記他方側の凸部までの距離であるフィン高さをｆｈとしたとき、フィンピッチの大きさおよびフィン高さが、
３．５＜ｆｈ≦１２（単位：ｍｍ）
２＜ｆｐ≦１２（単位：ｍｍ）
を満足する大きさであることを特徴とする排気熱交換器。 In the exhaust heat exchanger that cools the exhaust gas by exchanging heat between the exhaust gas generated by combustion and the cooling water,
A stainless steel tube (21) in which exhaust gas flows inside and cooling water flows outside,
An inner fin (22) made of stainless steel that is arranged in the tube and promotes heat exchange between the exhaust gas and the cooling water,
The inner fin has a wave shape in which a cross-sectional shape substantially perpendicular to the flow direction of the exhaust gas is bent by alternately positioning the convex portions (31) on one side and the other side, and is parallel to the flow direction of the exhaust gas. An offset fin comprising a cut-and-raised part (32) partially cut and raised in any direction,
In the cross-sectional shape, the size of the fin pitch, which is the distance between the centers of the convex portions adjacent on the same side of the one side and the other side, is fp, and the convex portion on the one side in the cross-sectional shape When the fin height, which is the distance from the convex portion on the other side to fh, is fh, the size of the fin pitch and the fin height are
3.5 <fh ≦ 12 (unit: mm)
2 <fp ≦ 12 (unit: mm)
Exhaust heat exchanger characterized by satisfying the requirements.
内部を排気ガスが流れ、外部を冷却水が流れるステンレス製のチューブ（２１）と、
前記チューブ内に配置され、排気ガスと冷却水との間での熱交換を促進させるステンレス製のインナーフィン（２２）とを備え、
前記インナーフィンは、排気ガスの流れ方向に略垂直な断面形状が、凸部（３１）を一方側と他方側に交互に位置させて曲折する波形状であって、排気ガスの流れ方向に平行な方向で部分的に切り起こされた切り起こし部（３２）を備えるオフセットフィンであり、
前記切り起こし部の排気流れ方向での長さをＬとし、前記断面形状にて、前記一方側と前記他方側のうちの同一側で隣り合う前記凸部と前記凸部との間でフィンとチューブによって囲まれる領域（Ｃ）の相当円直径をｄｅとした場合、相当円直径の大きさが、
０＜Ｌ＜５のとき、１．２≦ｄｅ≦６．１（単位：ｍｍ）
５≦Ｌ≦１５のとき、１．０≦ｄｅ≦４．３（単位：ｍｍ）
であることを特徴とする排気熱交換器。 In an exhaust heat exchanger that performs heat exchange between exhaust gas generated by combustion and cooling water that cools the exhaust gas,
A stainless steel tube (21) in which exhaust gas flows inside and cooling water flows outside,
An inner fin (22) made of stainless steel that is arranged in the tube and promotes heat exchange between the exhaust gas and the cooling water,
The inner fin has a wave shape in which a cross-sectional shape substantially perpendicular to the flow direction of the exhaust gas is bent by alternately positioning the convex portions (31) on one side and the other side, and is parallel to the flow direction of the exhaust gas. An offset fin comprising a cut-and-raised part (32) partially cut and raised in any direction,
The length of the cut-and-raised part in the exhaust flow direction is L, and in the cross-sectional shape, fins are formed between the convex part and the convex part that are adjacent on the same side of the one side and the other side. When the equivalent circle diameter of the region (C) surrounded by the tube is de, the size of the equivalent circle diameter is
When 0 <L <5, 1.2 ≦ de ≦ 6.1 (unit: mm)
When 5 ≦ L ≦ 15, 1.0 ≦ de ≦ 4.3 (unit: mm)
Exhaust heat exchanger characterized by being.
０＜Ｌ＜５のとき、１．３≦ｄｅ≦５．３（単位：ｍｍ）
５≦Ｌ≦１５のとき、１．１≦ｄｅ≦４．０（単位：ｍｍ）
であることを特徴とする請求項２に記載の排気熱交換器。 The size of the equivalent circular diameter is
When 0 <L <5, 1.3 ≦ de ≦ 5.3 (unit: mm)
When 5 ≦ L ≦ 15, 1.1 ≦ de ≦ 4.0 (unit: mm)
The exhaust heat exchanger according to claim 2, wherein
０＜Ｌ＜５のとき、１．５≦ｄｅ≦４．５（単位：ｍｍ）
５≦Ｌ≦１５のとき、１．３≦ｄｅ≦３．５（単位：ｍｍ）
であることを特徴とする請求項２に記載の排気熱交換器。 The size of the equivalent circular diameter is
When 0 <L <5, 1.5 ≦ de ≦ 4.5 (unit: mm)
When 5 ≦ L ≦ 15, 1.3 ≦ de ≦ 3.5 (unit: mm)
The exhaust heat exchanger according to claim 2, wherein
内部を排気ガスが流れ、外部を冷却水が流れるステンレス製のチューブ（２１）と、
前記チューブ内に配置され、排気ガスと冷却水との間での熱交換を促進させるステンレス製のインナーフィン（２２）とを備え、
前記インナーフィンは、排気ガスの流れ方向に略垂直な断面形状が、凸部（３１）を一方側と他方側に交互に位置させて曲折する波形状であって、排気ガスの流れ方向に平行な
方向で部分的に切り起こされた切り起こし部（３２）を備えるオフセットフィンであり、
前記断面形状にて、前記一方側と前記他方側のうちの同一側で隣り合う前記凸部の中心同士の距離であるフィンピッチの大きさをｆｐとし、前記断面形状における前記一方側の凸部から前記他方側の凸部までの距離であるフィン高さをｆｈとし、前記切り起こし部の排気流れ方向での長さをＬとしたとき、前記切り起こし部の排気流れ方向での長さが、
ｆｈ＜７、ｆｐ≦５のとき、０．５＜Ｌ≦６５（単位：ｍｍ）
ｆｈ＜７、５＜ｆｐのとき、０．５＜Ｌ≦２０（単位：ｍｍ）
７≦ｆｈ、ｆｐ≦５のとき、０．５＜Ｌ≦５０（単位：ｍｍ）
７≦ｆｈ、５＜ｆｐのとき、０．５＜Ｌ≦１５（単位：ｍｍ）
であることを特徴とする排気熱交換器。 In an exhaust heat exchanger that performs heat exchange between exhaust gas generated by combustion and cooling water that cools the exhaust gas,
A stainless steel tube (21) in which exhaust gas flows inside and cooling water flows outside,
An inner fin (22) made of stainless steel that is arranged in the tube and promotes heat exchange between the exhaust gas and the cooling water,
The inner fin has a wave shape in which a cross-sectional shape substantially perpendicular to the flow direction of the exhaust gas is bent by alternately positioning the convex portions (31) on one side and the other side, and is parallel to the flow direction of the exhaust gas. An offset fin comprising a cut-and-raised part (32) partially cut and raised in any direction,
In the cross-sectional shape, the size of the fin pitch, which is the distance between the centers of the convex portions adjacent on the same side of the one side and the other side, is fp, and the convex portion on the one side in the cross-sectional shape When the height of the fin, which is the distance from the convex portion on the other side, is fh, and the length of the cut-and-raised portion in the exhaust flow direction is L, the length of the cut-and-raised portion in the exhaust flow direction is ,
When fh <7 and fp ≦ 5, 0.5 <L ≦ 65 (unit: mm)
When fh <7, 5 <fp, 0.5 <L ≦ 20 (unit: mm)
When 7 ≦ fh and fp ≦ 5, 0.5 <L ≦ 50 (unit: mm)
When 7 ≦ fh and 5 <fp, 0.5 <L ≦ 15 (unit: mm)
Exhaust heat exchanger characterized by being.
ｆｈ＜７、ｆｐ≦５のとき、０．５＜Ｌ≦２５（単位：ｍｍ）
ｆｈ＜７、５＜ｆｐのとき、０．５＜Ｌ≦８（単位：ｍｍ）
７≦ｆｈ、ｆｐ≦５のとき、０．５＜Ｌ≦１８（単位：ｍｍ）
７≦ｆｈ、５＜ｆｐのとき、０．５＜Ｌ≦６（単位：ｍｍ）
であることを特徴とする請求項５に記載の排気熱交換器。 The length of the cut and raised portion in the exhaust flow direction is
When fh <7 and fp ≦ 5, 0.5 <L ≦ 25 (unit: mm)
When fh <7, 5 <fp, 0.5 <L ≦ 8 (unit: mm)
When 7 ≦ fh and fp ≦ 5, 0.5 <L ≦ 18 (unit: mm)
When 7 ≦ fh and 5 <fp, 0.5 <L ≦ 6 (unit: mm)
The exhaust heat exchanger according to claim 5, wherein
ｆｈ＜７、ｆｐ≦５のとき、０．５＜Ｌ≦７（単位：ｍｍ）
ｆｈ＜７、５＜ｆｐのとき、０．５＜Ｌ≦１（単位：ｍｍ）
７≦ｆｈ、ｆｐ≦５のとき、０．５＜Ｌ≦４．５（単位：ｍｍ）
７≦ｆｈ、５＜ｆｐのとき、０．５＜Ｌ≦１．５（単位：ｍｍ）
であることを特徴とする請求項５に記載の排気熱交換器。 The length of the cut and raised portion in the exhaust flow direction is
When fh <7 and fp ≦ 5, 0.5 <L ≦ 7 (unit: mm)
When fh <7, 5 <fp, 0.5 <L ≦ 1 (unit: mm)
When 7 ≦ fh and fp ≦ 5, 0.5 <L ≦ 4.5 (unit: mm)
When 7 ≦ fh and 5 <fp, 0.5 <L ≦ 1.5 (unit: mm)
The exhaust heat exchanger according to claim 5, wherein
内部を排気ガスが流れ、外部を冷却水が流れるステンレス製のチューブ（２１）と、
前記チューブ内に配置され、排気ガスと冷却水との間での熱交換を促進させるステンレス製のインナーフィン（２２）とを備え、
前記インナーフィンは、排気ガスの流れ方向に略垂直な断面形状が、凸部（３１）を一方側と他方側に交互に位置させて曲折する波形状であって、排気ガスの流れ方向に平行な方向で部分的に切り起こされた切り起こし部（３２）を備えるオフセットフィンであり、
前記断面形状における同一側で隣り合う前記凸部の中心同士の距離であるフィンピッチの大きさをｆｐとしたとき、前記フィンピッチの大きさが、
２＜ｆｐ≦１２（単位：ｍｍ）
を満足する大きさであるとともに、
前記断面形状にて、前記一方側と前記他方側のうちの同一側で隣り合う前記凸部と前記凸部との間でフィンによって囲まれた領域の相当円直径をｄｅとし、前記切り起こし部の排気流れ方向での長さをＬとし、前記断面形状における前記一方側の凸部から前記他方側の凸部までの距離であるフィン高さをｆｈとし、かつ、Ｘ＝ｄｅ×Ｌ０．１４／ｆｈ０．１８としたとき、
前記相当円直径および前記切り起こし部の排気流れ方向での長さが、
１．１≦Ｘ≦４．３
を満足する大きさであることを特徴とする排気熱交換器。 In an exhaust heat exchanger that performs heat exchange between exhaust gas generated by combustion and cooling water that cools the exhaust gas,
A stainless steel tube (21) in which exhaust gas flows inside and cooling water flows outside,
An inner fin (22) made of stainless steel that is arranged in the tube and promotes heat exchange between the exhaust gas and the cooling water,
The inner fin has a wave shape in which a cross-sectional shape substantially perpendicular to the flow direction of the exhaust gas is bent by alternately positioning the convex portions (31) on one side and the other side, and is parallel to the flow direction of the exhaust gas. An offset fin comprising a cut-and-raised part (32) partially cut and raised in any direction,
When the size of the fin pitch, which is the distance between the centers of the convex portions adjacent on the same side in the cross-sectional shape, is fp, the size of the fin pitch is
2 <fp ≦ 12 (unit: mm)
Is a size that satisfies
In the cross-sectional shape, an equivalent circular diameter of a region surrounded by fins between the convex portion and the convex portion adjacent on the same side of the one side and the other side is de, and the cut-and-raised portion L in the exhaust flow direction is L, the fin height which is the distance from the convex portion on the one side to the convex portion on the other side in the cross-sectional shape is fh, and X = de × L 0. 14 / fh 0.18 ,
The equivalent circular diameter and the length of the cut and raised portion in the exhaust flow direction are:
1.1 ≦ X ≦ 4.3
Exhaust heat exchanger characterized by satisfying the requirements.
１．２≦Ｘ≦３．９
を満足する大きさであることを特徴とする請求項８に記載の排気熱交換器。 The equivalent circular diameter and the length of the cut and raised portion in the exhaust flow direction are:
1.2 ≦ X ≦ 3.9
The exhaust heat exchanger according to claim 8, wherein the exhaust heat exchanger has a size satisfying.
１．３≦Ｘ≦３．５
を満足する大きさであることを特徴とする請求項８に記載の排気熱交換器。 The equivalent circular diameter and the length of the cut and raised portion in the exhaust flow direction are:
1.3 ≦ X ≦ 3.5
The exhaust heat exchanger according to claim 8, wherein the exhaust heat exchanger has a size satisfying.
前記切り起こし部（３２）によって形成される波形状部分と、これに排気ガスの流れ方向で隣接する波形状部分とを、オフセットフィン２２の排気ガスの流れ方向に略垂直な面に投影したときに、両部分によって囲まれるオフセット領域（Ｄ）の面積の割合が、２５％以上４０％以下であることを特徴とする請求項１ないし１０のいずれか１つに記載の排気熱交換器。 The inner fin (22) has a cross-sectional shape substantially perpendicular to the flow direction of the exhaust gas, and has a fin between the convex portion and the convex portion adjacent on the same side of the one side and the other side. For the area of the region (C) surrounded by the tube,
When the corrugated portion formed by the cut-and-raised portion (32) and the corrugated portion adjacent to the corrugated portion in the exhaust gas flow direction are projected onto a plane substantially perpendicular to the exhaust gas flow direction of the offset fin 22 The exhaust heat exchanger according to any one of claims 1 to 10, wherein a ratio of an area of the offset region (D) surrounded by both portions is 25% or more and 40% or less.
内部を排気ガスが流れ、外部を冷却水が流れるステンレス製のチューブ（２１）と、 A stainless steel tube (21) in which exhaust gas flows inside and cooling water flows outside,
前記チューブ内に配置され、排気ガスと冷却水との間での熱交換を促進させるステンレス製のインナーフィン（２２）とを備え、An inner fin (22) made of stainless steel that is arranged in the tube and promotes heat exchange between the exhaust gas and the cooling water,
前記インナーフィンは、排気ガスの流れ方向に略垂直な断面形状が、凸部（３１）を一方側と他方側に交互に位置させて曲折する波形状であって、排気ガスの流れ方向に平行な方向で部分的に切り起こされた切り起こし部（３２）を備えるオフセットフィンであり、The inner fin has a wave shape in which a cross-sectional shape substantially perpendicular to the flow direction of the exhaust gas is bent by alternately positioning the convex portions (31) on one side and the other side, and is parallel to the flow direction of the exhaust gas. An offset fin comprising a cut-and-raised part (32) partially cut and raised in any direction,
前記断面形状にて、前記一方側と前記他方側のうちの同一側で隣り合う前記凸部の中心同士の距離であるフィンピッチの大きさをｆｐとし、前記断面形状における前記一方側の凸部から前記他方側の凸部までの距離であるフィン高さをｆｈとしたとき、フィンピッチの大きさおよびフィン高さが、In the cross-sectional shape, the size of the fin pitch, which is the distance between the centers of the convex portions adjacent on the same side of the one side and the other side, is fp, and the convex portion on the one side in the cross-sectional shape When the fin height, which is the distance from the convex portion on the other side to fh, is defined as fh, the size of the fin pitch and the fin height are
３．５＜ｆｈ≦１２（単位：ｍｍ）3.5 <fh ≦ 12 (unit: mm)
２＜ｆｐ≦１２（単位：ｍｍ）2 <fp ≦ 12 (unit: mm)
を満足する大きさであり、Is a size that satisfies
前記切り起こし部の排気流れ方向での長さＬが、The length L of the cut and raised portion in the exhaust flow direction is
ｆｈ＜７、ｆｐ≦５のとき、０．５＜Ｌ≦７（単位：ｍｍ）、When fh <7 and fp ≦ 5, 0.5 <L ≦ 7 (unit: mm),
ｆｈ＜７、５＜ｆｐのとき、０．５＜Ｌ≦１（単位：ｍｍ）、When fh <7, 5 <fp, 0.5 <L ≦ 1 (unit: mm),
７≦ｆｈ、ｆｐ≦５のとき、０．５＜Ｌ≦４．５（単位：ｍｍ）、またはWhen 7 ≦ fh and fp ≦ 5, 0.5 <L ≦ 4.5 (unit: mm), or
７≦ｆｈ、５＜ｆｐのとき、０．５＜Ｌ≦１．５（単位：ｍｍ）When 7 ≦ fh and 5 <fp, 0.5 <L ≦ 1.5 (unit: mm)
であることを特徴とする排気熱交換器。Exhaust heat exchanger characterized by being.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007182056A JP4240136B2 (en) | 2006-07-11 | 2007-07-11 | Exhaust heat exchanger |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006190428 | 2006-07-11 | ||
| JP2007182056A JP4240136B2 (en) | 2006-07-11 | 2007-07-11 | Exhaust heat exchanger |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008039380A JP2008039380A (en) | 2008-02-21 |
| JP2008039380A5 true JP2008039380A5 (en) | 2008-08-07 |
| JP4240136B2 JP4240136B2 (en) | 2009-03-18 |
Family
ID=39174589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007182056A Active JP4240136B2 (en) | 2006-07-11 | 2007-07-11 | Exhaust heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4240136B2 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8167028B2 (en) * | 2008-01-03 | 2012-05-01 | Denso Corporation | Heat exchanger fin with planar crests and troughs having slits |
| JP5226393B2 (en) * | 2008-06-12 | 2013-07-03 | 株式会社ティラド | Heat exchanger |
| JP5141585B2 (en) * | 2009-02-13 | 2013-02-13 | トヨタ自動車株式会社 | Foreign matter collecting device with cooler |
| JP5321271B2 (en) * | 2009-06-17 | 2013-10-23 | 株式会社デンソー | Heat exchanger for high temperature gas cooling |
| JP5609339B2 (en) * | 2010-07-09 | 2014-10-22 | 株式会社デンソー | Oil cooler |
| JP5887115B2 (en) | 2011-11-30 | 2016-03-16 | 東京ラヂエーター製造株式会社 | Inner fin |
| JP5886637B2 (en) * | 2012-01-24 | 2016-03-16 | 京セラ株式会社 | Cooling substrate, element storage package, and mounting structure |
| DE102012104707A1 (en) * | 2012-05-31 | 2013-12-05 | Benteler Automobiltechnik Gmbh | Method for producing an exhaust gas heat exchanger |
| JP2014074562A (en) * | 2012-10-05 | 2014-04-24 | Calsonic Kansei Corp | Offset fin of heat exchanger and forming method of the same |
| JP6003778B2 (en) | 2013-04-03 | 2016-10-05 | 株式会社デンソー | Manufacturing method of heat exchanger |
| JP6333571B2 (en) * | 2014-02-10 | 2018-05-30 | 三菱重工オートモーティブサーマルシステムズ株式会社 | Offset fin for heat exchanger and refrigerant heat exchanger using the same |
| JP5884055B2 (en) | 2014-05-09 | 2016-03-15 | パナソニックＩｐマネジメント株式会社 | Heat exchanger and offset fin for heat exchanger |
| JP6548324B2 (en) | 2015-06-30 | 2019-07-24 | 東京ラヂエーター製造株式会社 | Heat exchanger inner fins |
| JP6607151B2 (en) * | 2016-07-11 | 2019-11-20 | 株式会社デンソー | Intercooler |
| DE112020003195T5 (en) * | 2019-07-02 | 2022-04-21 | T.Rad Co., Ltd. | HEAT EXCHANGER |
| CN121048424A (en) * | 2024-05-30 | 2025-12-02 | 绍兴三花汽车热管理科技有限公司 | Fin and heat exchanger |
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2007
- 2007-07-11 JP JP2007182056A patent/JP4240136B2/en active Active
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