JPH0213700Y2 - - Google Patents
Info
- Publication number
- JPH0213700Y2 JPH0213700Y2 JP1983100236U JP10023683U JPH0213700Y2 JP H0213700 Y2 JPH0213700 Y2 JP H0213700Y2 JP 1983100236 U JP1983100236 U JP 1983100236U JP 10023683 U JP10023683 U JP 10023683U JP H0213700 Y2 JPH0213700 Y2 JP H0213700Y2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- muffler
- weight
- parts
- coating agent
- 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.)
- Expired
Links
- 239000011248 coating agent Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000005524 ceramic coating Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 239000000049 pigment Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
【考案の詳細な説明】
本考案は、エンジン、特にデイーゼルエンジン
のマニホールド、マフラ等の排気管装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to exhaust pipe devices such as manifolds and mufflers for engines, particularly diesel engines.
従来のデイーゼルエンジンのマニホールド、マ
フラ等の排気管装置の塗装は外部に銀塗装と称す
るAl2O3系の塗料を塗つていたが、この塗料の耐
熱温度は450℃であり、排気ガスの熱により650℃
位の繰返し加熱によりマフラ等の基板（鉄板）か
ら塗料が剥離しやすく、また排気ガス自身が金属
を腐蝕し易い成分（NOx，SOx，HC等）を多く
含んでいるため、排気系統の部品が酸化、腐蝕を
受け、耐久性が問題となつている。 Conventional diesel engine manifolds, mufflers, and other exhaust pipe equipment were painted with an Al 2 O 3 paint called silver paint on the outside, but this paint has a heat resistance temperature of 450°C and is highly effective against exhaust gas. 650℃ due to heat
The paint tends to peel off from the substrate (steel plate) of the muffler etc. due to repeated heating, and the exhaust gas itself contains many components (NOx, SOx, HC, etc.) that easily corrode metals, so the parts of the exhaust system Durability is a problem due to oxidation and corrosion.
本考案は上記のことにかんがみなされたもの
で、その目的とするところは、マニホールド、マ
フラ等の内外面に耐熱性を持ち、かつ断熱性に優
れた塗料を塗布することにより、この内面の耐腐
蝕性を向上することができると共に、外面の塗料
の剥離や酸化、腐蝕による耐久性劣化を防止でき
るようにした排気管装置を提供しようとするもの
である。 The present invention was developed in consideration of the above, and its purpose is to coat the inner and outer surfaces of manifolds, mufflers, etc. with heat-resistant and heat-insulating paint, thereby making the inner surfaces more durable. It is an object of the present invention to provide an exhaust pipe device that can improve corrosion resistance and prevent deterioration of durability due to peeling, oxidation, and corrosion of the paint on the outer surface.
本考案によれば、上記目的を達成するため、排
気マニホールド１及びマフラ３等の排気管系の
内、外面に、セラミツク粘結剤300重量部当り
Fe3O4 100〜126重量部及びFe2O3 ３〜８重量部
を混合してなるセラミツクコーテイング剤を塗布
したことを特徴とするエンジンの排気管装置が提
供される。 According to the present invention, in order to achieve the above object, 300 parts by weight of ceramic binder is applied to the inner and outer surfaces of the exhaust pipe system such as the exhaust manifold 1 and the muffler 3.
An exhaust pipe device for an engine is provided, characterized in that it is coated with a ceramic coating agent made of a mixture of 100 to 126 parts by weight of Fe 3 O 4 and 3 to 8 parts by weight of Fe 2 O 3 .
すなわち、本考案は、マフラー等の内、外面
に、耐熱性に優れ、かつ耐腐蝕性にも優れたセラ
ミツクコーテイング剤に顔料であると同時に防錆
剤としても優れた性質を有する酸化鉄系の黒色
（Fe3O4）及び少量の赤色（Fe2O3）顔料を混合す
ることにより、耐熱性、耐腐蝕性に優れた深みの
ある色相のコーテイングを施すことができ、鋼板
の耐久性向上は勿論、その外装塗膜の耐久性をも
向上させることができる。 That is, the present invention uses a ceramic coating agent with excellent heat resistance and corrosion resistance on the inner and outer surfaces of mufflers, etc., and an iron oxide-based coating agent that has excellent properties as a pigment and as a rust preventive agent. By mixing black (Fe 3 O 4 ) and a small amount of red (Fe 2 O 3 ) pigment, a deep-hued coating with excellent heat resistance and corrosion resistance can be applied, improving the durability of steel sheets. Of course, the durability of the exterior coating film can also be improved.
以下本考案の実施例を図面に基づい説明する。 Embodiments of the present invention will be described below based on the drawings.
図中１はエンジン（図示せず）に装着する排気
マニホールド、２はこの排気マニホールド１に連
結した過給機、３はマフラであり、これらによつ
てエンジンの排気管装置が構成されている。 In the figure, 1 is an exhaust manifold attached to an engine (not shown), 2 is a supercharger connected to this exhaust manifold 1, and 3 is a muffler, and these constitute the exhaust pipe device of the engine.
上記排気管装置の各部品の内面及び外面に、水
ガラス等の無機質粘着剤中にシリカ、アルミナ、
クロミア等のセラミツク及び希土類元素などを含
有するセラミツク粘結剤にFe3O4及びFe2O3の顔
料を混ぜたセラミツクコーテイング剤を塗布す
る。上記各混ぜ合わせ剤の配合は、重量比で、セ
ラミツク粘結剤300に対して顔料のFe3O4は100〜
126、Fe2O3は３〜８が適当である。またこの各
顔料は通常350μ程度のものを用いる。 The inner and outer surfaces of each part of the above exhaust pipe device are coated with silica, alumina, etc.
A ceramic coating agent is applied, which is a mixture of pigments such as Fe 3 O 4 and Fe 2 O 3 in a ceramic binder containing ceramics such as chromia and rare earth elements. The weight ratio of each of the above admixtures is 300% for the ceramic binder and 100% for the Fe 3 O 4 pigment.
126, Fe 2 O 3 is suitably 3-8. Each pigment is usually about 350μ.
実施例
93PSのデイーゼルエンジンのマフラの内外面
に、重量比でセラミツク粘結剤（水ガラス及びシ
リカ系セラミツクを主成分とするもの）300に対
して、Fe3O4を126、Fe2O3を６配合したセラミツ
クコーテイング剤を塗布し、240時間の連続サイ
クル負荷テストを行なつたが、マフラ外面の温度
は最高350℃で退色、剥離、亀裂等の欠陥は認め
られなかつた。Example: On the inner and outer surfaces of the muffler of a 93PS diesel engine, a ceramic binder (based on water glass and silica-based ceramics) was mixed with 300% Fe 3 O 4 and 126% Fe 2 O 3 by weight. A ceramic coating agent containing six blends of the following was applied and a 240-hour continuous cycle load test was conducted, but the maximum temperature on the muffler's outer surface was 350°C, and no defects such as fading, peeling, or cracking were observed.
上記エンジンの連続サイクル負荷テストの負荷
条件は、全負荷５分、低負荷２分の繰返しであ
り、また圧力は７←→7.8Kg／cm2、回転数は2400←→
1200rpmである。またコーテイング剤の乾燥条件
は85℃×60分後自然乾燥を20時間行なつた。 The load conditions for the continuous cycle load test of the engine mentioned above are 5 minutes of full load and 2 minutes of low load, the pressure is 7←→7.8Kg/cm 2 , and the rotation speed is 2400←→
It is 1200rpm. The coating agent was dried at 85°C for 60 minutes and then naturally dried for 20 hours.
上記実施例におけるマフラ３の入口部Ａ点と出
口部Ｂ点との温度を示すと第３図に示すようにな
る。 FIG. 3 shows the temperatures at point A at the inlet portion and point B at the outlet portion of the muffler 3 in the above embodiment.
本考案は以上のようになり、エンジンの排気管
系の内、外面に、主体となるセラミツク粘結剤に
Fe3O4及び少量のFe2O3の顔料を混ぜたセラミツ
クコーテイング剤を塗布したから、内面の耐腐蝕
性を向上することができると共に、上記コーテイ
ング剤の断熱効果により外面の塗膜の剥離を防止
できる。そしてさらに上記塗料を塗ることにより
酸化、腐蝕による耐久性劣化を防止することがで
き、排気管装置としての使用寿命を著しく長くす
ることができた。 The present invention is as described above, and the main ceramic binder is applied to the inner and outer surfaces of the engine exhaust pipe system.
Since a ceramic coating agent containing Fe 3 O 4 and a small amount of Fe 2 O 3 pigments is applied, it is possible to improve the corrosion resistance of the inner surface, and the insulation effect of the coating agent prevents the peeling of the outer coating. can be prevented. Furthermore, by applying the above-mentioned paint, it was possible to prevent deterioration of durability due to oxidation and corrosion, and the service life of the exhaust pipe device was significantly extended.
図面は本考案の実施例を示すもので、第１図は
斜視図、第２図はマフラの正面図、第３図はマフ
ラの負荷テストにおける各部位の温度を示す線図
である。
１は排気マニホールド、２は過給機、３はマフ
ラ。
The drawings show an embodiment of the present invention; FIG. 1 is a perspective view, FIG. 2 is a front view of the muffler, and FIG. 3 is a diagram showing the temperature of each part of the muffler during a load test. 1 is the exhaust manifold, 2 is the supercharger, and 3 is the muffler.
Claims (1)
の内、外面に、セラミツク粘結剤300重量部当り
Fe3O4 100〜126重量部及びFe2O3 ３〜８重量部
を混合してなるセラミツクコーテイング剤を塗布
したことを特徴とするエンジンの排気管装置。 300 parts by weight of ceramic binder on the inner and outer surfaces of the exhaust pipe system such as the exhaust manifold 1 and muffler 3.
An exhaust pipe device for an engine, characterized in that it is coated with a ceramic coating agent made of a mixture of 100 to 126 parts by weight of Fe 3 O 4 and 3 to 8 parts by weight of Fe 2 O 3 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10023683U JPS608415U (en) | 1983-06-30 | 1983-06-30 | engine exhaust pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10023683U JPS608415U (en) | 1983-06-30 | 1983-06-30 | engine exhaust pipe device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS608415U JPS608415U (en) | 1985-01-21 |
| JPH0213700Y2 true JPH0213700Y2 (en) | 1990-04-16 |
Family
ID=30237212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10023683U Granted JPS608415U (en) | 1983-06-30 | 1983-06-30 | engine exhaust pipe device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS608415U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5999964B2 (en) * | 2011-09-15 | 2016-09-28 | ダイハツ工業株式会社 | EGR device |
| JP7264785B2 (en) * | 2019-04-26 | 2023-04-25 | 株式会社クボタ | engine exhaust system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4936361A (en) * | 1972-08-04 | 1974-04-04 |
-
1983
- 1983-06-30 JP JP10023683U patent/JPS608415U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4936361A (en) * | 1972-08-04 | 1974-04-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS608415U (en) | 1985-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6256984B1 (en) | System for reduction of harmful exhaust emissions from diesel engines | |
| US6422008B2 (en) | System for reduction of harmful exhaust emissions from diesel engines | |
| JPH0213700Y2 (en) | ||
| US6041595A (en) | Thermal insulation for the exhaust manifold for reducing passive formation of NOx and reduction of unburned hydrocarbons in the exhaust gas | |
| US4715178A (en) | Exhaust port assembly | |
| JPS5946317A (en) | Component part of combustion chamber of internal-combustion engine | |
| US5234882A (en) | Catalyst and preparation thereof | |
| JP2639674B2 (en) | Gasket for engine exhaust system | |
| JPS6271543A (en) | Catalyst for cleaning up exhaust gas of engine | |
| JPH02225383A (en) | Bonded ceramics and iron parts and production thereof | |
| JPS5966618A (en) | Parts of combustion chamber with catalyst | |
| JPS58144624A (en) | Combustion chamber of engine | |
| JPH07208160A (en) | Exhaust manifold | |
| JPH04148017A (en) | Exhaust manifold for internal combustion engine and its manufacture | |
| JPS61178514A (en) | Ceramic precombustion chamber diesel engine | |
| JPH01200047A (en) | Gasket for engine exhaust system | |
| JPS6245050Y2 (en) | ||
| JP3039269B2 (en) | Method of forming thermal insulation film | |
| JPS6313368Y2 (en) | ||
| CN2298465Y (en) | No-pollusion gas water heater | |
| Chen et al. | PERFORMANCE OF CERAMIC COATED EXHAUST PORT OF AN AIR COOLED DIESEL ENGINE | |
| Nelson et al. | Temperature-Strength-Time Relationships in Mufflers and for Truck Muffler Materials | |
| JPS61163282A (en) | Production of heat insulating metallic member | |
| JPS63131817A (en) | Muffler excellent in wet rot resisting property | |
| JPS60102941A (en) | Self-purifying coated body |