JP2000282961A - Egr cooler support device - Google Patents
Egr cooler support deviceInfo
- Publication number
- JP2000282961A JP2000282961A JP11087571A JP8757199A JP2000282961A JP 2000282961 A JP2000282961 A JP 2000282961A JP 11087571 A JP11087571 A JP 11087571A JP 8757199 A JP8757199 A JP 8757199A JP 2000282961 A JP2000282961 A JP 2000282961A
- Authority
- JP
- Japan
- Prior art keywords
- egr
- egr cooler
- exhaust manifold
- support device
- cooler
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 101150096674 C20L gene Proteins 0.000 description 2
- 102220543923 Protocadherin-10_F16L_mutation Human genes 0.000 description 2
- 101100445889 Vaccinia virus (strain Copenhagen) F16L gene Proteins 0.000 description 2
- 101100445891 Vaccinia virus (strain Western Reserve) VACWR055 gene Proteins 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 101100000419 Autographa californica nuclear polyhedrosis virus AC41 gene Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing
- F16L3/1091—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Supports For Pipes And Cables (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＥＧＲガスを冷却
させるＥＧＲクーラの支持装置に関する。The present invention relates to an EGR cooler supporting device for cooling EGR gas.
【０００２】[0002]
【従来の技術】排気ガスの主としてＮＯｘ低減に効果の
あるＥＧＲガスを冷却することが、ＥＧＲ本来の目的で
ある高温燃焼の抑制、新吸気量の増加によるサイクル効
率の向上に効果が大きいことは公知である。その冷却方
法は、複数の煙管を冷却水で冷却する方法が最も一般的
である。図７及び図８は、従来の水冷式ＥＧＲクーラ３
２の支持装置の例を示したもので、排気マニホールド３
４に形成された座３４Ａ、３４Ｂに、バンド４１、４２
でそれぞれ上下一対の締結ボルト４１Ａ、４２Ａによっ
て緊締されている。ＥＧＲクーラ３２のガス入口部３２
Ａは第１のＥＧＲ管３５の出口部３５Ｂに、ガス出口部
３２Ｂは第２のＥＧＲ管３７の入口部３７Ａにそれぞれ
接続されている。また、ＥＧＲクーラ３２には冷却水管
３３が接続されている。なお、第１のＥＧＲ管３５の入
口部３５Ａは排気マニホールド３４の分岐口部３４Ｃ
に、第２のＥＧＲ管３７の出口部３７Ｂは吸気マニホー
ルド３９に接続されたＥＧＲ弁３８にそれぞれ接続され
ている。このように、ＥＧＲクーラ３２は、一対のバン
ド３５、３６によってエンジンの排気マニホールド３４
に固定され支持されている。2. Description of the Related Art Cooling EGR gas, which is mainly effective in reducing NOx in exhaust gas, has great effects on suppression of high-temperature combustion, which is the original purpose of EGR, and improvement of cycle efficiency by increasing the amount of new intake air. It is known. The most common cooling method is to cool a plurality of fire tubes with cooling water. FIGS. 7 and 8 show a conventional water-cooled EGR cooler 3.
2 shows an example of the supporting device 2 and the exhaust manifold 3
The bands 41, 42 are attached to the seats 34A, 34B formed in
Are tightened by a pair of upper and lower fastening bolts 41A and 42A, respectively. Gas inlet 32 of EGR cooler 32
A is connected to the outlet 35B of the first EGR pipe 35, and the gas outlet 32B is connected to the inlet 37A of the second EGR pipe 37. Further, a cooling water pipe 33 is connected to the EGR cooler 32. The inlet 35A of the first EGR pipe 35 is connected to the branch 34C of the exhaust manifold 34.
The outlet 37B of the second EGR pipe 37 is connected to an EGR valve 38 connected to the intake manifold 39. As described above, the EGR cooler 32 is connected to the exhaust manifold 34 of the engine by the pair of bands 35 and 36.
Is fixed and supported.
【０００３】このような従来のＥＧＲクーラの支持装置
では、 １）排気マニホールド３４とＥＧＲクーラ３２との熱膨
張差による熱応力の回避、 ２）振動によるＥＧＲクーラ破損の回避、が必ずしも十
分に対策されていなかった。熱応力については、とく
に、エンジン熱負荷大時の排気マニホールド３４の伸長
と、水冷によるＥＧＲクーラ３２の収縮との差による応
力及びその繰り返しが、ＥＧＲクーラ３２と内部の煙管
に負荷を与えている。また、振動では車両の走行時、と
くに悪路走行時の上下振動及びエンジン低速回転時のト
ルク変動による振動による煙管の破損の恐れがあった。
仮に煙管の破損が発生すれば、エンジン燃焼室に冷却水
が入って重大故障になるので、この懸念の完全な払拭が
必要である。In such a conventional EGR cooler support apparatus, 1) avoidance of thermal stress due to a difference in thermal expansion between the exhaust manifold 34 and the EGR cooler 32, and 2) avoidance of breakage of the EGR cooler due to vibration are necessarily sufficient measures. Had not been. Regarding the thermal stress, in particular, the stress caused by the difference between the expansion of the exhaust manifold 34 when the engine heat load is large and the contraction of the EGR cooler 32 due to water cooling, and the repetition thereof, load the EGR cooler 32 and the internal smoke pipe. . In addition, the vibration may cause damage to the smoke pipe due to vertical vibration during traveling of the vehicle, particularly when traveling on rough roads, and vibration due to torque fluctuation during low-speed rotation of the engine.
If the smoke tube breaks, cooling water will enter the engine combustion chamber and cause a serious malfunction, so it is necessary to completely eliminate this concern.
【０００４】[0004]
【発明が解決しようとする課題】本発明は上述した従来
技術の問題点に鑑みて提案されたものであり、ＥＧＲク
ーラの支持装置の改善によるＥＧＲクーラへの熱的負荷
の低減と、エンジン及び車両振動によるＥＧＲクーラの
振動変位を抑制、とによってＥＧＲクーラの破損を予防
をするＥＧＲクーラの支持装置を提供することを目的と
している。SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-mentioned problems of the prior art. The present invention has been made to reduce the thermal load on the EGR cooler by improving the support device of the EGR cooler, and to reduce the load on the engine and the engine. It is an object of the present invention to provide an EGR cooler support device that suppresses EGR cooler vibration displacement due to vehicle vibration, thereby preventing damage to the EGR cooler.
【０００５】[0005]
【課題を解決するための手段】本発明のＥＧＲクーラの
支持装置は、ＥＧＲクーラと、そのＥＧＲクーラと排気
マニホールドを接続する第１のＥＧＲ管と、ＥＧＲクー
ラとＥＧＲ弁とを接続する第２のＥＧＲ管、とで構成さ
れるＥＧＲ装置のＥＧＲクーラの支持装置において、円
弧部がＥＧＲクーラの外周に固着され２ヶの脚部が排気
マニホールドの側面に締結された前バンドと、ＥＧＲク
ーラの外周を緊締する両抱き形の一対の後バンドと、後
バンドと排気マニホールドに介装されて底フランジが排
気マニホールドに締結され上フランジが前記後バンドに
締結されリブが底フランジ及び上フランジに平行する方
向に弾性を有するよう形成されたコの字状ブラケット、
とで構成される対熱支持装置を含んで構成されている。
ここで、前記第１のＥＧＲ管の出口部フランジ上面と排
気マニホールドを連結する平板状の前部支持材と、前記
第１のＥＧＲ管の入口部フランジと前記第２のＥＧＲ管
の入口部フランジ上面を連結する平板状の後部支持材、
とで構成される対振支持装置、とを含んで構成されてい
るのが好ましい。According to the present invention, there is provided an EGR cooler supporting apparatus comprising: an EGR cooler; a first EGR pipe connecting the EGR cooler and an exhaust manifold; and a second EGR pipe connecting the EGR cooler and the EGR valve. A supporting band for an EGR cooler of an EGR device comprising: a front band having an arc portion fixed to an outer periphery of the EGR cooler and two legs fastened to a side surface of the exhaust manifold; A pair of rear bands of a double-carrying type for tightening the outer periphery, a rear flange and an exhaust manifold interposed, a bottom flange fastened to the exhaust manifold, an upper flange fastened to the rear band, and ribs parallel to the bottom flange and the upper flange. U-shaped bracket formed to have elasticity in the direction of
And a heat supporting device composed of the following.
Here, a flat front support member for connecting the upper surface of the outlet flange of the first EGR pipe to the exhaust manifold, the inlet flange of the first EGR pipe, and the inlet flange of the second EGR pipe. Flat rear support material connecting the top surfaces,
And an anti-vibration support device comprising:
【０００６】この発明によるＥＧＲクーラの支持装置に
よれば、排気マニホールドの熱膨張によるＥＧＲクーラ
への引張り負荷は対熱支持装置のコの字状ブラケットの
リブの弾性変形によって吸収されてＥＧＲクーラの応力
は大きくならない。また、対振支持装置の前部支持板と
後部支持板が、エンジン振動と車両走行振動によるＥＧ
Ｒクーラの上下振動変位を抑圧してＥＧＲクーラの破損
予防をする。According to the EGR cooler supporting apparatus of the present invention, the tensile load on the EGR cooler due to the thermal expansion of the exhaust manifold is absorbed by the elastic deformation of the ribs of the U-shaped bracket of the heat supporting apparatus, and the EGR cooler is supported. The stress does not increase. Further, the front support plate and the rear support plate of the anti-vibration support device are driven by engine vibration and vehicle running vibration.
The vertical vibration displacement of the R cooler is suppressed to prevent breakage of the EGR cooler.
【０００７】本発明の実施に際して、前記前バンドの排
気マニホールド側面への締結位置は、前後方向において
排気マニホールドの熱膨張変位の最小点である基準孔の
近傍位置にされることが好ましい。In practicing the present invention, it is preferable that the fastening position of the front band to the side surface of the exhaust manifold is located in the vicinity of a reference hole which is the minimum point of thermal expansion displacement of the exhaust manifold in the front-rear direction.
【０００８】これによって、熱膨張による寸法変化のな
い排気マニホールドの原点をＥＧＲクーラの前バンド締
結位置とするので、排気マニホールドの膨張寸法のＥＧ
Ｒクーラへの伝達を最小にする。Thus, the origin of the exhaust manifold, which does not change in size due to thermal expansion, is set to the front band fastening position of the EGR cooler.
Minimize transmission to the R cooler.
【０００９】[0009]
【発明の実施の形態】以下図面を参照して本発明のＥＧ
Ｒクーラ２の支持装置１の実施の形態を説明する。ＥＧ
Ｒクーラ２の支持装置１は、対熱効果を含んだ対熱支持
装置１Ａと対振動用の対振支持装置１Ｂとで構成されて
いる。図１にＥＧＲクーラ２の支持装置１が含まれた側
面図を示し、図２にその斜視構成図を、図６に振動支持
装置１Ｂを含んだ斜視構成図をそれぞれ示している。BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment of the support device 1 for the R cooler 2 will be described. EG
The supporting device 1 of the R cooler 2 includes a heat supporting device 1A including a heat effect and a vibration supporting device 1B for vibration. FIG. 1 shows a side view of the EGR cooler 2 including the supporting device 1, FIG. 2 shows a perspective view of the same, and FIG. 6 shows a perspective view of the EGR cooler 2 including the vibration supporting device 1B.
【００１０】図１及び図２において、ＥＧＲクーラ２は
前バンド１５及び後バンド１６によって排気マニホール
ド４の外側面に固定されている。1 and 2, the EGR cooler 2 is fixed to the outer surface of the exhaust manifold 4 by a front band 15 and a rear band 16.
【００１１】前バンド１５は、横Ｕ字型に形成されてそ
の円弧部１５ａがＥＧＲクーラ２の外周にに溶接固定さ
れ、脚部１５ｂの端部に設けられた上下の取付け孔４Ｄ
によって座４Ａにボルト固定されている。この取付け孔
４Ｄの前後方向位置は、排気マニホールド４のシリンダ
ヘッドＨへの固定基準孔４Ｃの位置にほぼ一致して設け
られている。基準孔４Ｃは、排気マニホールド４をシリ
ンダヘッドＨに固定する位置の原点であると共に、熱膨
張時に最も変位の少ない位置になっている。The front band 15 is formed in a horizontal U-shape, and its circular arc portion 15a is welded and fixed to the outer periphery of the EGR cooler 2, and upper and lower mounting holes 4D provided at the ends of the leg portions 15b.
Is bolted to the seat 4A. The position of the mounting hole 4D in the front-rear direction is substantially coincident with the position of the fixed reference hole 4C for the exhaust manifold 4 to the cylinder head H. The reference hole 4C is the origin of the position where the exhaust manifold 4 is fixed to the cylinder head H, and is the position where displacement is minimal during thermal expansion.
【００１２】後バンド１６は、図４に示すように、両抱
き形の座部１６ｃ付き半円型に形成され、円弧部１６ｄ
で両側からＥＧＲクーラ２を抱くよう、座部１６ｃでボ
ルト固定されるよう構成されている。そして、座部１６
ｃは、ブラケット１７にボルト締結されている。ブラケ
ット１７は、図３に示すように、底フランジ１７ａ、リ
ブ１７ｂ、上フランジ１７ｃ、のコ字型断面に形成され
て、底フランジ１７ａが排気マニホールド４の座４Ｂに
ボルト締結されるよう構成されている。リブ１７ｂに
は、円弧状切欠１７ｅが設けられて前記円弧部１６ｄを
避けるよう形成されている。図５は、後バンド１６を半
片のみとするブラケット２７を示したもので、製造及び
装着の容易さによって使用を選択して良い。As shown in FIG. 4, the rear band 16 is formed in a semicircular shape with a double-clad seat portion 16c and an arc portion 16d.
, So that the EGR cooler 2 is held from both sides by bolts at the seat portion 16c. And the seat 16
c is bolted to the bracket 17. As shown in FIG. 3, the bracket 17 is formed in a U-shaped cross section of a bottom flange 17a, a rib 17b, and an upper flange 17c, and is configured such that the bottom flange 17a is bolted to the seat 4B of the exhaust manifold 4. ing. The rib 17b has an arc-shaped notch 17e formed so as to avoid the arc portion 16d. FIG. 5 shows a bracket 27 having only one half of the rear band 16, and the use may be selected depending on the ease of manufacture and mounting.
【００１３】上記の前、後バンド１５、１６、ブラケッ
ト１７が、熱対策を配慮した対熱支持装置１Ａを構成
し、排気マニホールド４にボルト締結されている。The front and rear bands 15, 16 and the bracket 17 constitute a heat supporting device 1A in consideration of measures against heat, and are bolted to the exhaust manifold 4.
【００１４】対熱支持装置１Ａの作用を説明する。図１
及び図２において、エンジンが運転され排気マニホール
ド４が加熱され前後方向に膨張すると、前バンド１５を
固定されたＥＧＲクーラ２もバンド１６を介して引張ら
れる。図１及び図２においては、後方に引っ張られる。
ＥＧＲクーラ４内には冷却水が流れているので、収縮側
に作用して座４Ｂによる後方への引張力は一層大きくな
る。この時、ブラケット１７のリブ１７ｂは、底フラン
ジ１７ａと上フランジ１７ｃとの間で両フランジに平行
する方向に弾性材として作用する。即ち、図３に示すブ
ラケット１７では、それまでの底フランジ１７ａとリブ
１７ｂとの角度９０度が変化して取付け孔１７ｈと１７
ｉの前後方向の相対距離が変化する。この取付け孔１７
ｈと１７ｉとの相対距離の変化量は、リブ１７ｂの高さ
Ｚ、長さＷ、板厚ｔによって決定される前後方向ばね力
によって吸収される。The operation of the heat supporting apparatus 1A will be described. FIG.
2 and FIG. 2, when the engine is operated and the exhaust manifold 4 is heated and expands in the front-back direction, the EGR cooler 2 to which the front band 15 is fixed is also pulled through the band 16. 1 and 2, it is pulled backward.
Since the cooling water is flowing in the EGR cooler 4, it acts on the contraction side to further increase the rearward pulling force by the seat 4B. At this time, the rib 17b of the bracket 17 acts as an elastic material between the bottom flange 17a and the upper flange 17c in a direction parallel to both flanges. That is, in the bracket 17 shown in FIG. 3, the angle of 90 degrees between the bottom flange 17a and the rib 17b is changed so that the mounting holes 17h and 17
The relative distance of i in the front-back direction changes. This mounting hole 17
The amount of change in the relative distance between h and 17i is absorbed by the longitudinal spring force determined by the height Z, length W, and plate thickness t of the rib 17b.
【００１５】次に、上下振動力によるＥＧＲクーラ２の
上下変位、いわゆるぶらつき量抑制用の対振支持装置１
Ｂを説明する。対振支持装置１Ｂは、図１及び図６にお
ける前部支持部材１８と、後部支持部材１９、とで構成
されている。Next, an anti-vibration support device 1 for suppressing the vertical displacement of the EGR cooler 2 due to the vertical vibration force, that is, the so-called wobble amount.
B will be described. The anti-vibration support device 1 </ b> B includes the front support member 18 and the rear support member 19 in FIGS. 1 and 6.
【００１６】前部支持部材１８は平板で形成され、４ヶ
のボルト孔１８ｈが設けられている。そして、端部に切
欠き１８ｃが設けられている。後部支持部材１９も、平
板で形成され４ヶのボルト孔１９ｈと、切欠き１９ｃが
設けられている。図１におけるスペーサ１８ａ及び１９
ａは、取り付け用の高さ調整片である。The front support member 18 is formed of a flat plate and has four bolt holes 18h. And the notch 18c is provided in the end part. The rear support member 19 is also formed of a flat plate and has four bolt holes 19h and a notch 19c. Spacers 18a and 19 in FIG.
“a” is a height adjustment piece for mounting.
【００１７】前部支持部材１８は、ボルト孔１８ｈの２
ヶによって、入口部５Ｂのフランジ上面に、切欠１８ｃ
で第１のＥＧＲ管５との干渉を避けて、締結される。ボ
ルト孔１８ｈの他の２ヶは、排気マニホールド４また
は、図示しないシリンダヘッドに締結される。The front support member 18 has two bolt holes 18h.
The notch 18c is provided on the upper surface of the flange of the entrance 5B.
To avoid interference with the first EGR pipe 5. The other two bolt holes 18h are fastened to the exhaust manifold 4 or a cylinder head (not shown).
【００１８】後部支持部材１９は、ボルト孔１９ｈの２
ヶによって、入口部７Ａのフランジ上面に、切欠１９ｃ
で第２のＥＧＲ管７との干渉を避けて、締結される。ボ
ルト孔１９ｈの他の２ヶは、第１のＥＧＲ管５の入口部
５Ａのフランジ上面に締結される。The rear support member 19 has two bolt holes 19h.
A notch 19c is provided on the upper surface of the flange of the inlet 7A.
To avoid interference with the second EGR pipe 7. The other two bolt holes 19h are fastened to the upper surface of the flange of the inlet 5A of the first EGR pipe 5.
【００１９】対振支持装置１Ｂの作用を説明する。図１
及び図６において、エンジンが運転され、車両が走行さ
れてＥＧＲクーラ２に上下振動力がかかる。この上下振
動力の多くの部分は、前記前、後バンド１５及び１６に
よって支えられるが、前、後バンド１５及び１６の上下
剛性に基因する上下変位と、前バンド１５の前方及び後
バンド１６の後方に突き出た部分が上下に振動して変位
することは避けられない。この変位量を前部支持部材１
８と、後部支持部材１９とによって抑制する。The operation of the vibration supporting device 1B will be described. FIG.
In FIG. 6 and FIG. 6, the engine is driven, the vehicle is running, and a vertical vibration force is applied to the EGR cooler 2. Most of this vertical vibration force is supported by the front and rear bands 15 and 16, but the vertical displacement due to the vertical rigidity of the front and rear bands 15 and 16, and the front and rear bands 16 of the front band 15 It is inevitable that the portion protruding backward vibrates up and down and is displaced. This displacement amount is used as the front support member 1
8 and the rear support member 19.
【００２０】[0020]
【発明の効果】本発明の作用効果を、以下に列挙する。The effects of the present invention are listed below.
【００２１】（１） 本発明のＥＧＲクーラの支持装置
では、排気マニホールドの熱膨張によるＥＧＲクーラへ
の引張り力は対熱支持装置のコの字状ブラケットのリブ
の弾性変形によって吸収されてＥＧＲクーラの応力は大
きくならない。また、対振支持装置の前部支持板と後部
支持板が、エンジン振動と車両走行振動によるＥＧＲク
ーラの上下振動変位を抑圧するので、とくに懸念される
ＥＧＲクーラ内の煙管の破損が生じることはない。。(1) In the EGR cooler supporting device according to the present invention, the tensile force to the EGR cooler due to the thermal expansion of the exhaust manifold is absorbed by the elastic deformation of the ribs of the U-shaped bracket of the heat supporting device, and the EGR cooler. Does not increase. In addition, since the front support plate and the rear support plate of the anti-vibration support device suppress the vertical vibration displacement of the EGR cooler due to engine vibration and vehicle running vibration, damage to the smoke tube in the EGR cooler, which is a particular concern, will not occur. Absent. .
【００２２】（２） 前バンドの排気マニホールド側面
への締結位置は、前後方向において排気マニホールドの
熱膨張変位の最小点である基準孔の近傍位置にされるこ
とが好ましく、これによって、熱膨張による寸法変化の
ない排気マニホールドの原点をＥＧＲクーラの前バンド
締結位置とするので、排気マニホールドの膨張寸法のＥ
ＧＲクーラへの伝達を最小にし応力の発生を抑制でき
る。(2) The fastening position of the front band to the side surface of the exhaust manifold is preferably in the vicinity of the reference hole which is the minimum point of the thermal expansion displacement of the exhaust manifold in the front-rear direction. Since the origin of the exhaust manifold without dimensional change is the fastening position of the front band of the EGR cooler, the expansion dimension of the exhaust manifold E
The transmission to the GR cooler can be minimized and the generation of stress can be suppressed.
【図１】本発明の実施形態を示すＥＧＲクーラの支持装
置の平面図。FIG. 1 is a plan view of a support device of an EGR cooler showing an embodiment of the present invention.
【図２】本発明のＥＧＲクーラの支持装置周辺を示す斜
視構成図。FIG. 2 is a perspective configuration view showing the periphery of a support device for an EGR cooler according to the present invention.
【図３】ブラケットの斜視図。FIG. 3 is a perspective view of a bracket.
【図４】後バンドの半片を示す斜視図。FIG. 4 is a perspective view showing a half of a rear band.
【図５】別の後バンドの斜視図。FIG. 5 is a perspective view of another rear band.
【図６】対振支持装置を含んだ周辺斜視図。FIG. 6 is a peripheral perspective view including a vibration damping support device.
【図７】従来のＥＧＲクーラ周辺を示す斜視構成図。FIG. 7 is a perspective view showing a configuration around a conventional EGR cooler.
【図８】従来のＥＧＲクーラの支持装置周辺を示す斜視
構成図。FIG. 8 is a perspective configuration diagram showing a periphery of a conventional EGR cooler support device.
１・・・ＥＧＲクーラの支持装置 １Ａ・・対熱支持装置 １Ｂ・・対振支持装置 ２・・・ＥＧＲクーラ ２Ａ・・ガス入口部 ２Ｂ・・ガス出口部 ４・・・排気マニホールド ４Ａ、４Ｂ・・座 ５・・・第１のＥＧＲ管 ５Ａ・・入口部 ５Ｂ・・出口部 ７・・・第２のＥＧＲ管 ７Ａ・・入口部 １５・・・前バンド １６・・・後バンド １７・・・ブラケット １８・・・前部支持部材 １９・・・後部支持部材 DESCRIPTION OF SYMBOLS 1 ... Support device of EGR cooler 1A ... Thermal support device 1B ... Vibration support device 2 ... EGR cooler 2A ... Gas inlet part 2B ... Gas outlet part 4: Exhaust manifold 4A, 4B ..Seat 5... First EGR pipe 5A... Inlet 5B... Outlet 7... Second EGR pipe 7A... Inlet 15... Front band 16. ..Bracket 18: Front support member 19: Rear support member
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ１６Ｌ 3/24 Ｆ１６Ｌ 3/24 Ｚ Ｆ２８Ｆ 9/00 ３２１ Ｆ２８Ｆ 9/00 ３２１ Ｆターム(参考） 3D038 BA02 BB01 BC00 BC22 3G004 BA04 BA05 3G062 ED08 ED10 GA10 3H023 AA05 AB01 AC41 AC61 AD36 3L065 AA40 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F16L 3/24 F16L 3/24 Z F28F 9/00 321 F28F 9/00 321 F Term (Reference) 3D038 BA02 BB01 BC00 BC22 3G004 BA04 BA05 3G062 ED08 ED10 GA10 3H023 AA05 AB01 AC41 AC61 AD36 3L065 AA40
Claims (3)
マニホールドを接続する第１のＥＧＲ管と、ＥＧＲクー
ラとＥＧＲ弁とを接続する第２のＥＧＲ管、とで構成さ
れるＥＧＲ装置のＥＧＲクーラの支持装置において、円
弧部がＥＧＲクーラの外周に固着され２ヶの脚部が排気
マニホールドの側面に締結された前バンドと、ＥＧＲク
ーラの外周を緊締する両抱き形の一対の後バンドと、後
バンドと排気マニホールドに介装されて底フランジが排
気マニホールドに締結され上フランジが前記後バンドに
締結されリブが底フランジ及び上フランジに平行する方
向に弾性を有するよう形成されたコの字状ブラケット、
とで構成される対熱支持装置を含んで構成されることを
特徴とするＥＧＲクーラの支持装置。1. An EGR cooler for an EGR device comprising an EGR cooler, a first EGR pipe connecting the EGR cooler and an exhaust manifold, and a second EGR pipe connecting the EGR cooler and an EGR valve. A support band having an arc portion fixed to the outer periphery of the EGR cooler and two legs fixed to the side surface of the exhaust manifold; a pair of rear bands of a double hugging type for tightening the outer periphery of the EGR cooler; A U-shape is provided between the rear band and the exhaust manifold, the bottom flange is fastened to the exhaust manifold, the upper flange is fastened to the rear band, and the rib is formed to have elasticity in a direction parallel to the bottom flange and the upper flange. bracket,
A support device for an EGR cooler, comprising: a heat support device comprising:
面と排気マニホールドを連結する平板状の前部支持材
と、前記第１のＥＧＲ管の入口部フランジと前記第２の
ＥＧＲ管の入口部フランジ上面を連結する平板状の後部
支持材、とで構成される対振支持装置、とを含んで構成
される請求項１のＥＧＲクーラの支持装置。2. A flat front support member connecting an upper surface of an outlet flange of the first EGR pipe to an exhaust manifold, an inlet flange of the first EGR pipe, and an inlet of the second EGR pipe. The support device for an EGR cooler according to claim 1, further comprising: a vibration damping support device comprising: a flat rear support member connecting the upper surfaces of the flanges;
締結位置は、前後方向において排気マニホールドの熱膨
張変位の最小点である基準孔の近傍位置である請求項
１、２のいずれかのＥＧＲクーラの支持装置。3. The EGR cooler according to claim 1, wherein the fastening position of the front band to the exhaust manifold side surface is a position near a reference hole which is a minimum point of thermal expansion displacement of the exhaust manifold in the front-rear direction. Support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08757199A JP3633824B2 (en) | 1999-03-30 | 1999-03-30 | EGR cooler support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08757199A JP3633824B2 (en) | 1999-03-30 | 1999-03-30 | EGR cooler support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000282961A true JP2000282961A (en) | 2000-10-10 |
| JP3633824B2 JP3633824B2 (en) | 2005-03-30 |
Family
ID=13918696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08757199A Expired - Fee Related JP3633824B2 (en) | 1999-03-30 | 1999-03-30 | EGR cooler support device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3633824B2 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002285917A (en) * | 2001-03-27 | 2002-10-03 | Hino Motors Ltd | EGR cooler mounting device |
| JP2002295990A (en) * | 2001-03-29 | 2002-10-09 | Tokyo Radiator Mfg Co Ltd | Heat exchanger header structure |
| EP1298403A3 (en) * | 2001-09-26 | 2006-05-10 | Behr GmbH & Co. KG | Device for fastening an exhaust gas heat exchanger |
| JP2010185340A (en) * | 2009-02-12 | 2010-08-26 | Yanmar Co Ltd | Engine |
| JP2010185341A (en) * | 2009-02-12 | 2010-08-26 | Yanmar Co Ltd | Engine |
| JP2011503500A (en) * | 2007-11-12 | 2011-01-27 | ベール ゲーエムベーハー ウント コー カーゲー | Exhaust gas cooler for automobile |
| JP2011112024A (en) * | 2009-11-30 | 2011-06-09 | Volvo Powertrain Ab | Egr cooler mounting structure |
| EP2587207A1 (en) * | 2011-10-28 | 2013-05-01 | Deere & Company | Power system |
| WO2014051001A1 (en) | 2012-09-28 | 2014-04-03 | ヤンマー株式会社 | Engine device |
| CN104251170A (en) * | 2013-06-27 | 2014-12-31 | 铃木株式会社 | Exhaust gas recirculation device of vehicle motor |
| KR20150106193A (en) * | 2014-03-11 | 2015-09-21 | 두산인프라코어 주식회사 | Egr cooler unit and exhaust gas recirculation system having the same |
| JP2017145885A (en) * | 2016-02-17 | 2017-08-24 | 岡山市 | Reinforcement jig for junction and reinforcement structure for junction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002285917A (en) * | 2001-03-27 | 2002-10-03 | Hino Motors Ltd | EGR cooler mounting device |
| JP2002295990A (en) * | 2001-03-29 | 2002-10-09 | Tokyo Radiator Mfg Co Ltd | Heat exchanger header structure |
| EP1298403A3 (en) * | 2001-09-26 | 2006-05-10 | Behr GmbH & Co. KG | Device for fastening an exhaust gas heat exchanger |
| JP2011503500A (en) * | 2007-11-12 | 2011-01-27 | ベール ゲーエムベーハー ウント コー カーゲー | Exhaust gas cooler for automobile |
| JP2010185340A (en) * | 2009-02-12 | 2010-08-26 | Yanmar Co Ltd | Engine |
| JP2010185341A (en) * | 2009-02-12 | 2010-08-26 | Yanmar Co Ltd | Engine |
| JP2011112024A (en) * | 2009-11-30 | 2011-06-09 | Volvo Powertrain Ab | Egr cooler mounting structure |
| US8770177B2 (en) | 2011-10-28 | 2014-07-08 | Deere & Company | Corrugated strap for securing a heat exchanger |
| EP2587207A1 (en) * | 2011-10-28 | 2013-05-01 | Deere & Company | Power system |
| WO2014051001A1 (en) | 2012-09-28 | 2014-04-03 | ヤンマー株式会社 | Engine device |
| KR20150058188A (en) | 2012-09-28 | 2015-05-28 | 얀마 가부시키가이샤 | Engine device |
| US9435294B2 (en) | 2012-09-28 | 2016-09-06 | Yanmar Co., Ltd. | Engine apparatus |
| KR20200052979A (en) | 2012-09-28 | 2020-05-15 | 얀마 가부시키가이샤 | Engine device |
| CN104251170A (en) * | 2013-06-27 | 2014-12-31 | 铃木株式会社 | Exhaust gas recirculation device of vehicle motor |
| KR20150106193A (en) * | 2014-03-11 | 2015-09-21 | 두산인프라코어 주식회사 | Egr cooler unit and exhaust gas recirculation system having the same |
| KR102122836B1 (en) | 2014-03-11 | 2020-06-15 | 두산인프라코어 주식회사 | Egr cooler unit and exhaust gas recirculation system having the same |
| JP2017145885A (en) * | 2016-02-17 | 2017-08-24 | 岡山市 | Reinforcement jig for junction and reinforcement structure for junction |
| CN115434795A (en) * | 2022-09-27 | 2022-12-06 | 上海外高桥造船有限公司 | Pipeline arrangement adjusting device for SCR exhaust system of marine main engine |
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| JP3633824B2 (en) | 2005-03-30 |
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