JPH01104322A - Dedusting apparatus for exhaust gas - Google Patents
Dedusting apparatus for exhaust gasInfo
- Publication number
- JPH01104322A JPH01104322A JP62261797A JP26179787A JPH01104322A JP H01104322 A JPH01104322 A JP H01104322A JP 62261797 A JP62261797 A JP 62261797A JP 26179787 A JP26179787 A JP 26179787A JP H01104322 A JPH01104322 A JP H01104322A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- combustion medium
- combustion
- soot
- medium
- 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
- 238000002485 combustion reaction Methods 0.000 claims abstract description 60
- 239000000428 dust Substances 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 21
- 239000001301 oxygen Substances 0.000 abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 abstract description 21
- 239000004071 soot Substances 0.000 abstract description 21
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000003054 catalyst Substances 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000005273 aeration Methods 0.000 abstract 3
- 239000011343 solid material Substances 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002090 carbon oxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はディーゼルその他の自動車エンジン、灯油、ガ
ス暖房機、重油、ガス燃焼炉等の排気装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to exhaust systems for diesel and other automobile engines, kerosene, gas heaters, heavy oil, gas combustion furnaces, and the like.
従来、上記のような自動車エンジン、暖房機、燃焼炉等
の排ガスにはスート、ミスト等と呼ばれる主として未燃
炭素質の未燃分が多（含まれており、特に自動車エンジ
ンが高負荷時に排出するガスには濃く含有されているが
、一部の産業設備等を除いては未だ適確な対策は施され
ていない。Conventionally, the exhaust gas from automobile engines, heaters, combustion furnaces, etc. mentioned above contains a large amount of unburned matter called soot, mist, etc., mainly unburned carbonaceous matter, which is emitted especially when automobile engines are under high load. Although it is present in high concentrations in gas, no appropriate countermeasures have yet been taken, except in some industrial facilities.
上記従来の自動車エンジン、暖房機、燃焼炉等の排ガス
、特に燃焼条件、温度等が短かい時間中に大きく変動す
る自動車エンジンの排ガスには未燃分が多く、環境汚染
の一因ともなっている。なお、これら未燃分には大別し
て固形未燃分（煤塵）とガス未燃分（−酸化炭素等）と
が混在している。Exhaust gases from the conventional automobile engines, heaters, combustion furnaces, etc. mentioned above, especially those from automobile engines whose combustion conditions and temperature fluctuate greatly over a short period of time, contain a large amount of unburned matter and are a contributing factor to environmental pollution. . It should be noted that these unburned components are roughly divided into solid unburned components (soot dust) and gas unburned components (-carbon oxide, etc.) mixed therein.
本発明は上記問題点の解決手段として、エンジン、燃焼
炉等の排ガス通路に設けられた金属又はセラミックス等
よりなる多、孔質の燃焼媒体を具備してなることを特徴
とする排気用脱座装置を提供しようとするものである。As a means for solving the above-mentioned problems, the present invention provides an exhaust dispensing device which is provided in an exhaust gas passage of an engine, a combustion furnace, etc., and is equipped with a porous combustion medium made of metal, ceramics, etc. The aim is to provide equipment.
本発明は上記のように構成されるので次の作用を有する
。即ち、排ガス通路に設けた多孔質の燃焼媒体が排ガス
中の固形未燃分を漉し取り、それを排ガス中の酸素又は
別に供給される酸素と排ガスの熱と別に付加された熱と
によりて完全燃焼させてしまう。又、−酸化炭素も燃焼
媒体と酸素とによって完全燃焼即ち二酸化炭素化を果た
す。Since the present invention is configured as described above, it has the following effects. In other words, a porous combustion medium provided in the exhaust gas passage filters out solid unburned matter from the exhaust gas, and completely burns it using oxygen in the exhaust gas or oxygen supplied separately, heat from the exhaust gas, and heat added separately. It will burn. Furthermore, -carbon oxide is completely combusted, that is, converted into carbon dioxide, by the combustion medium and oxygen.
本発明の第４実施例について第１図及び第２図により説
明する。A fourth embodiment of the present invention will be described with reference to FIGS. 1 and 2.
両図においてエンジン排気ダクト１を通って来た排ガス
Ｇｌ中に含まれるスートＳは触媒を担持させた気孔性セ
ラミックスよりなる燃焼媒体２を通過する間に捕獲され
て気孔中に残留し、除塵された排ガスＧ２が外部へ排出
される。燃焼媒体２には図示のように複数の通気管４が
設けられており、燃焼媒体２に捕獲されたスートＳはヒ
ータ６を設けた加熱器５で昇温した酸素富化空気の供給
を通気管４から通気孔３経由で受けて完全燃焼し、消滅
する。このとき燃焼媒体２に担持された触媒の作用によ
りスートＳの燃焼速度は加速される。In both figures, soot S contained in the exhaust gas Gl that has passed through the engine exhaust duct 1 is captured while passing through the combustion medium 2 made of porous ceramics supporting a catalyst, remains in the pores, and is removed. The exhaust gas G2 is discharged to the outside. The combustion medium 2 is provided with a plurality of vent pipes 4 as shown, and the soot S captured in the combustion medium 2 is passed through the supply of oxygen-enriched air heated by a heater 5 equipped with a heater 6. It is received from the trachea 4 via the vent 3, completely burns, and disappears. At this time, the combustion speed of the soot S is accelerated by the action of the catalyst supported on the combustion medium 2.
また、通気管４からの酸素富化空気又は空気の常時供給
は燃焼媒体２にスー）Ｓが過剰堆積するのを防ぎ、過剰
堆積したスートＳが一挙に燃焼して燃焼媒体２が過熱焼
損するのを守る働きがある。In addition, the constant supply of oxygen-enriched air or air from the vent pipe 4 prevents excessive soot S from accumulating in the combustion medium 2, and the excessively accumulated soot S burns all at once, causing the combustion medium 2 to overheat and burn out. It has the function of protecting the
以上、第１実施例は燃焼媒体２の昇温過熱な避けるため
、供給する空気又は酸素富化空気を予め加熱するに留め
た例である。As described above, the first embodiment is an example in which the supplied air or oxygen-enriched air is only heated in advance in order to prevent the combustion medium 2 from increasing in temperature and overheating.
次に本発明の第２実施例について第３図ないし第５図に
より説明する。Next, a second embodiment of the present invention will be explained with reference to FIGS. 3 to 5.
第３図は自動車エンジンの排気系を模式的に示したもの
で、以降すべての実施例の排気系は特に説明しない限り
、これによる。図において１０は図示しない自動車のエ
ンジン、１１はその直ぐ下流の排気管、１２は後述の第
４図以降で説明する未燃分燃焼器、１３は未燃分燃焼器
１２から浄化された排ガスが出てゆく排気管である。FIG. 3 schematically shows the exhaust system of an automobile engine, and the exhaust systems of all embodiments hereinafter will be based on this unless otherwise specified. In the figure, 10 is a car engine (not shown), 11 is an exhaust pipe immediately downstream thereof, 12 is an unburned combustor, which will be explained later in FIG. 4, and 13 is an exhaust gas purified from the unburned combustor 12. This is the exit pipe.
第４図及び第５図において、１２は未燃分燃焼器、１４
はそれの外殻である未燃分燃焼器本体、１５は第３図の
排気管１１と同１３とに未燃分燃焼器本体１４を接続す
るための７ランジ、１６は加熱用ヒータで図示しない外
部装置により電力の供給を受けて発熱し、後述の燃焼媒
体１７を加熱する。加熱用電力は外部装置により制御さ
れて、燃焼媒体１７の温度を制御するようになっている
。１７はセラミックスフオーム等からなる燃焼媒体で表
面は気孔性にとみ網目状となっているため、排ガスＧｌ
中の煤塵を漉して捕捉する。又燃焼媒体１７は、加熱用
ヒータ１６と一体的に成型し、加熱効率を高める構成と
なっている。燃焼媒体１７は加熱ヒータ１６及び排ガス
０１自身のもつ温度によって加熱され、その表面に捕捉
された煤塵及び、表面に接して流れる一酸化炭素等の可
燃ガスを燃焼させる。なお、加熱用ヒータ１６は絶縁材
１８によって未燃分燃焼器本体１４から電気的に絶縁さ
れている。In FIGS. 4 and 5, 12 is an unburnt combustor, 14
15 is a 7-lunge for connecting the unburned combustor main body 14 to the exhaust pipe 11 and 13 in FIG. 3, and 16 is a heater for heating. It receives electric power from an external device, generates heat, and heats a combustion medium 17, which will be described later. The heating power is controlled by an external device to control the temperature of the combustion medium 17. 17 is a combustion medium made of ceramic foam, etc., whose surface is porous and mesh-like, so that the exhaust gas Gl
Strain and capture the soot and dust inside. Furthermore, the combustion medium 17 is integrally molded with the heating heater 16 to improve heating efficiency. The combustion medium 17 is heated by the temperature of the heater 16 and the exhaust gas 01 itself, and burns the dust trapped on its surface and combustible gas such as carbon monoxide flowing in contact with the surface. Note that the heating heater 16 is electrically insulated from the unburned combustor main body 14 by an insulating material 18 .
以上の構成によって、排ガスＧ１に含まれた煤塵等は、
自から加熱用ヒータ１６を備え、比較的高温に維持され
る燃焼媒体１７に衝突捕捉されて、その熱と排ガスＧｌ
中の酸素とによって完全燃焼され、清浄な排ガスＧ２と
なって吐出されてゆく。With the above configuration, the soot and dust contained in the exhaust gas G1 are
The combustion medium 17, which is equipped with its own heating heater 16 and is maintained at a relatively high temperature, is collided with and captured, and the heat and exhaust gas Gl
It is completely combusted with the oxygen inside, and is discharged as clean exhaust gas G2.
次に本発明の第３実施例について第６図及び第７図によ
り説明する。Next, a third embodiment of the present invention will be described with reference to FIGS. 6 and 7.
両図において１９は球又は、その他自由な型状をしたセ
ラミックスフオーム等からなる燃焼媒体を示す。美は燃
焼媒体１９を未燃分燃焼器本体１４内に納めるに必要な
仕切板で排ガスＧ１を通す穴がおいている。その他につ
いては第２実施例と同様につき説明を省略する。In both figures, numeral 19 indicates a combustion medium made of a sphere or other freely shaped ceramic foam. The beauty is a partition plate necessary for storing the combustion medium 19 in the unburned combustor main body 14, and has a hole through which the exhaust gas G1 passes. The other details are the same as those in the second embodiment, so explanations will be omitted.
尚、燃焼媒体１９は、エンジンｌＯの大きさ等により排
ガスＧｌ量に見合う、適当な数量だけ充填する。又燃焼
媒体１９の形状、配列の形式については特に限定される
ものではない。Incidentally, the combustion medium 19 is filled in an appropriate amount that corresponds to the amount of exhaust gas Gl depending on the size of the engine lO and the like. Further, the shape and arrangement of the combustion medium 19 are not particularly limited.
以上の構成によって加熱用ヒータ１６によって加熱され
た燃焼媒体１９に排ガスＧ１が触れると、含有されてい
る煤塵は捕捉され、燃焼し、清浄な排ガスＧ２となって
吐出されてゆく。With the above configuration, when the exhaust gas G1 comes into contact with the combustion medium 19 heated by the heater 16, the contained soot and dust is captured and burned, and is discharged as clean exhaust gas G2.
次に本発明の第４実施例について第８図、第９図及び第
１０図によって説明する。Next, a fourth embodiment of the present invention will be explained with reference to FIGS. 8, 9, and 10.
なお、本実施例は加熱用ヒータ１６′に供給管２１から
酸素等を送る構成以外は第４図、第５図と同様である。This embodiment is the same as that in FIGS. 4 and 5 except for the configuration in which oxygen and the like are sent to the heater 16' from the supply pipe 21.
両図において加熱用ヒータ１６′は中空状に加工され壁
面に小孔を設けており供給管２１から供給される酸素も
しくは酸素富化空気を燃焼媒体１７に供給する。これに
より、燃焼媒体１７に捕捉された煤塵は速に燃焼し、接
触した一酸化炭素も二酸化炭素に変換する。なお、供給
管２工から供給される酸素、酸素富化空気等は適度に量
を制御されて燃焼媒体１７を過熱焼損から守る。In both figures, the heater 16' is hollow and has small holes in its wall, and supplies oxygen or oxygen-enriched air supplied from the supply pipe 21 to the combustion medium 17. As a result, the soot and dust trapped in the combustion medium 17 is quickly combusted, and the carbon monoxide that comes into contact with it is also converted into carbon dioxide. Note that the amount of oxygen, oxygen-enriched air, etc. supplied from the two supply pipes is appropriately controlled to protect the combustion medium 17 from overheating and burning.
次に本発明の第５実施例について第１１図及び第１２図
により説明する。Next, a fifth embodiment of the present invention will be described with reference to FIGS. 11 and 12.
なお、本実施例は吹出管ｎ等を別に設けた以外は第４図
、第５図と同様である。This embodiment is the same as that shown in FIGS. 4 and 5 except that the blow-off pipe n and the like are provided separately.
両図において、燃焼媒体１７同士の間には酸素等の吹出
管四が図示のように垂設され、供給管２１に連結されて
いる。吹出管ｎは中空状で壁面に小孔が無数、穿設され
ていて、供給管２１から送られてくる酸素又は酸素富化
空気を未燃分燃焼器本体１４内に噴き出す。これにより
燃焼媒体１７に捕捉された煤塵等は直ちに完全燃焼する
。又、−酸化炭素等のガスも速かに酸化して二酸化炭素
となり、無害、清浄な排ガスＧ２となって吐出されてゆ
く。In both figures, a blowout pipe 4 for oxygen or the like is vertically installed between the combustion media 17 as shown, and is connected to a supply pipe 21 . The blow-off pipe n is hollow and has numerous small holes perforated in its wall surface, and blows out oxygen or oxygen-enriched air sent from the supply pipe 21 into the unburned combustor main body 14. As a result, the soot and dust trapped in the combustion medium 17 are completely combusted immediately. Further, gases such as -carbon oxide are quickly oxidized to carbon dioxide, and are discharged as harmless and clean exhaust gas G2.
以上、諸実施例について説明したが、これらに共通する
燃焼媒体への煤塵付着（捕捉）量と時間との関係は以下
の通りである。即ち、燃焼媒体表面に付着する媒塵量は
、その表面で燃焼が行なわれない場合は時間の経過と共
に増大してゆくが、排ガス温度によって、或はヒーター
等によって昇温し、かつ、たとえば排ガスから残存酸素
の供給を受は得るような状態下では付着した煤塵は燃焼
するので成る定常値で付着量は頭打ちとなり燃焼量とバ
ランスする。従って燃焼媒体の煤塵捕捉能力を充分にし
ておけば、燃焼媒体に付着した煤塵を除去するといった
作業即ち、未燃分燃焼器の掃除を行なわなくてもそのま
＼継続的に使用が可能である。第１３図は燃焼媒体にお
ける煤塵付着量と時間との関係を示した線図である。The various embodiments have been described above, and the relationship between the amount of soot dust adhering to (capturing) the combustion medium and time is as follows, which is common to these embodiments. In other words, the amount of dust adhering to the surface of the combustion medium will increase over time if no combustion occurs on that surface, but if the temperature rises due to the exhaust gas temperature or by a heater etc. Under conditions where residual oxygen is supplied from the air, the attached soot and dust burns, and the amount of attached dust reaches a steady state level, which is balanced with the amount of combustion. Therefore, if the combustion medium has sufficient dust trapping ability, it can be used continuously without having to remove dust adhering to the combustion medium, i.e., cleaning the unburned combustor. . FIG. 13 is a diagram showing the relationship between the amount of soot and dust deposited on the combustion medium and time.
上記諸実施例では第１実施例でのみ燃焼媒体に触媒を担
持させた例を示したが、燃焼媒体に触媒を担持させたり
、或は燃焼媒体自身に触媒の働きの強い材質を選んだり
することは勿論、自由である。又、燃焼媒体に直接或は
その近傍に酸素、酸素富化空気又は通常の２次空気等を
供給して燃焼を完全ならしめることも自由である。たソ
、その場合、酸素が多すぎて過熱し、燃焼媒体その他を
焼損させたり、窒素酸化物等の有害ガスが新たに発生し
たりしないよう注意を伴なうことはいうまでもない。In the above embodiments, only the first embodiment shows an example in which the combustion medium carries a catalyst, but it is also possible to make the combustion medium carry a catalyst, or to select a material with a strong catalytic action for the combustion medium itself. Of course, you are free. It is also possible to complete the combustion by supplying oxygen, oxygen-enriched air, ordinary secondary air, etc. directly to or in the vicinity of the combustion medium. In that case, it goes without saying that care must be taken to avoid overheating due to too much oxygen, burning out the combustion medium and other components, or generating new harmful gases such as nitrogen oxides.
本発明は上記のように構成されるので次の効果を有する
。Since the present invention is configured as described above, it has the following effects.
即ち、排ガスの通路に設けられ、排ガスの熱によって昇
熱した多孔質の燃焼媒体が排ガス中の煤塵を捕捉し、或
は−酸化炭素に接触し、排ガス中の酸素によって燃焼を
促進し、煤塵を消失させると同時に一酸化炭素を二酸化
炭素に変えて人体に無害な清浄ガスとして大気中に放出
するので大気公害等の不具合が解消する。That is, a porous combustion medium installed in the exhaust gas passage and heated by the heat of the exhaust gas captures the soot and dust in the exhaust gas, or - contacts carbon oxide, promotes combustion with the oxygen in the exhaust gas, and removes the soot and dust. At the same time, it converts carbon monoxide into carbon dioxide and releases it into the atmosphere as a clean gas that is harmless to the human body, eliminating problems such as air pollution.
第１図、第２図は本発明の第１実施例の説明図で第１図
は平断面図、第２図はその側断面図、第３図は第２ない
し第５実施例の適用される自動車エンジンの排気系の模
式図、第４図、ｆＪＸ５図は本発明の第２実施例の説明
図で、第４図は平断面図、第５図は第４図のｖ−■矢線
に沿って見た側断面図、第６図、第７図は本発明の第３
実施例の説明図で、第６図は平断面図、第７図は第６図
の■−■矢線に沿って見た側断面図、第８図ないし第１
０図は本発明の第４実施例の説明図で第８図は平断面図
、第９図は第８図の■−ＩＸ矢線に沿って見た側断面図
、第１０図は第８図、第９図の加熱用ヒータ１６′及び
燃焼媒体１７の詳細図で（ａ）はそれらの斜視図、（ｂ
）はそれらの縦断面図、第１１図、第１２図は本発明の
第５実施例の説明図で第１１図は平断面図、第１２図は
第１１図の刈−刈矢線に沿って見た側断面図、第１３図
は本発明の諸実施例に用いられる燃焼媒体の煤塵付着量
と時間との関係を示す線図である。
１・・・エンジン排気ダクト、２・・・燃焼媒体、３・
・・通気孔、 ４・・・通気管、５・・・加熱
器、 ６・・・ヒータ、１０・・・エンジン、
１１・・・排気管、１２・・・未燃分燃焼器、
１３・・・排気管、１４・・・未燃分燃焼器本体、
１５・・・フランジ、１６ 、１６’・・・加熱用ヒ
ータ、 １７・・・燃焼媒体、１８・・・絶縁材、
１９・・・燃焼媒体、団・・・仕切板、
２１・・・供給管。1 and 2 are explanatory diagrams of the first embodiment of the present invention. FIG. 1 is a plan sectional view, FIG. 2 is a side sectional view thereof, and FIG. 3 is an illustration of the application of the second to fifth embodiments. Fig. 4 and fJX5 are explanatory diagrams of the second embodiment of the present invention, Fig. 4 is a plan cross-sectional view, and Fig. 5 is a schematic diagram of the exhaust system of an automobile engine. 6 and 7 are side sectional views taken along the
FIG. 6 is a plan sectional view, FIG. 7 is a side sectional view taken along the arrow line ■-■ in FIG. 6, and FIGS.
0 is an explanatory diagram of the fourth embodiment of the present invention, FIG. 8 is a plan sectional view, FIG. 9 is a side sectional view taken along the ■-IX arrow line in FIG. 8, and FIG. 9 are detailed views of the heating heater 16' and the combustion medium 17, (a) is a perspective view thereof, (b)
) are longitudinal sectional views thereof, FIGS. 11 and 12 are explanatory diagrams of the fifth embodiment of the present invention, FIG. 11 is a plan sectional view, and FIG. FIG. 13 is a diagram showing the relationship between the amount of soot and dust attached to the combustion medium used in various embodiments of the present invention and time. 1... Engine exhaust duct, 2... Combustion medium, 3...
...Vent hole, 4...Vent pipe, 5...Heater, 6...Heater, 10...Engine,
11... Exhaust pipe, 12... Unburnt combustor,
13... Exhaust pipe, 14... Unburnt combustor body,
15... Flange, 16, 16'... Heater, 17... Combustion medium, 18... Insulating material,
19... Combustion medium, group... Partition plate,
21... Supply pipe.
Claims (1)
セラミックス等よりなる多孔質の燃焼媒体を具備してな
ることを特徴とする排気用脱塵装置。1. An exhaust dust removal device characterized by comprising a porous combustion medium made of metal, ceramics, etc. provided in an exhaust gas passage of an engine, a combustion furnace, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26179787A JPH0796091B2 (en) | 1987-10-19 | 1987-10-19 | Exhaust dedusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26179787A JPH0796091B2 (en) | 1987-10-19 | 1987-10-19 | Exhaust dedusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01104322A true JPH01104322A (en) | 1989-04-21 |
| JPH0796091B2 JPH0796091B2 (en) | 1995-10-18 |
Family
ID=17366848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26179787A Expired - Fee Related JPH0796091B2 (en) | 1987-10-19 | 1987-10-19 | Exhaust dedusting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0796091B2 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672213A (en) * | 1979-11-19 | 1981-06-16 | Toyota Motor Corp | Exhaust gas filter for internal combustion engine |
| JPS57110311A (en) * | 1980-12-27 | 1982-07-09 | Kyocera Corp | Ceramic honeycomb filter |
| JPS57153921A (en) * | 1981-03-16 | 1982-09-22 | Toyota Central Res & Dev Lab Inc | Device for catching exhaust smoke of internal combustion engine |
| JPS57179317A (en) * | 1981-04-28 | 1982-11-04 | Nippon Soken Inc | Exhaust particulate catcher with means for regenerating by electric heating |
| JPS57198309A (en) * | 1981-05-29 | 1982-12-04 | Nippon Soken Inc | Removing apparatus for particles in internal-combustion engine |
| JPS5827516U (en) * | 1981-07-30 | 1983-02-22 | トヨタ自動車株式会社 | Diesel engine exhaust particulate purification device |
| JPS58143817A (en) * | 1982-02-19 | 1983-08-26 | Ngk Spark Plug Co Ltd | Filter apparatus for removing combustible fine particle |
| JPS58174217A (en) * | 1982-04-03 | 1983-10-13 | Ngk Spark Plug Co Ltd | Ceramic filter for removing combustible fine particle |
-
1987
- 1987-10-19 JP JP26179787A patent/JPH0796091B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672213A (en) * | 1979-11-19 | 1981-06-16 | Toyota Motor Corp | Exhaust gas filter for internal combustion engine |
| JPS57110311A (en) * | 1980-12-27 | 1982-07-09 | Kyocera Corp | Ceramic honeycomb filter |
| JPS57153921A (en) * | 1981-03-16 | 1982-09-22 | Toyota Central Res & Dev Lab Inc | Device for catching exhaust smoke of internal combustion engine |
| JPS57179317A (en) * | 1981-04-28 | 1982-11-04 | Nippon Soken Inc | Exhaust particulate catcher with means for regenerating by electric heating |
| JPS57198309A (en) * | 1981-05-29 | 1982-12-04 | Nippon Soken Inc | Removing apparatus for particles in internal-combustion engine |
| JPS5827516U (en) * | 1981-07-30 | 1983-02-22 | トヨタ自動車株式会社 | Diesel engine exhaust particulate purification device |
| JPS58143817A (en) * | 1982-02-19 | 1983-08-26 | Ngk Spark Plug Co Ltd | Filter apparatus for removing combustible fine particle |
| JPS58174217A (en) * | 1982-04-03 | 1983-10-13 | Ngk Spark Plug Co Ltd | Ceramic filter for removing combustible fine particle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0796091B2 (en) | 1995-10-18 |
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| LAPS | Cancellation because of no payment of annual fees |