JP2019510343A - 流体の流れを加熱するための露出した加熱体 - Google Patents
流体の流れを加熱するための露出した加熱体 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
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- B01D53/34—Chemical or biological purification of waste gases
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- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
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- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/16—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
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- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
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- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
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- F01N3/2066—Selective catalytic reduction [SCR]
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Abstract
Description
Claims (26)
- 通路を通る流体の流れを加熱するのに用いられるヒータであって、
所定の形状を有する抵抗発熱体で、前記流体の流れに直接さらされる前記抵抗発熱体を備え、
前記所定の形状は、熱分布、構造強度、及び、前記通路内の背圧の低減を与える断面形状を含む。 - 前記抵抗発熱体は形状記憶合金を含む、
請求項1に記載のヒータ。 - 前記所定の形状は、対向する部分を有する複数の脚部を含み、前記対向する部分のそれぞれは、誘電体部材で分離される、
請求項1に記載のヒータ。 - 前記誘電体部材は、ブッシング、ブロック、チューブ、及び、これらの組合せのうちの少なくとも1つを備える、
請求項3に記載のヒータ。 - 前記誘電体部材は、前記対向する部分を横切って貫通する、
請求項3に記載のヒータ。 - 前記対向する部分は、等間隔に配置され、前記誘電体部材は、横方向に割り当てられる、
請求項3に記載のヒータ。 - 前記対向する部分は、半径方向に延びる様々な長さを定め、前記誘電体部材は、前記通路の中央部分に沿って垂直で、前記通路の周囲に半径方向に配置される、
請求項3に記載のヒータ。 - 前記所定の形状は、対向する波形部分を有する蛇行波形を定め、前記波形部分は、複数の誘電体部材及び横方向支持部により分離される、
請求項3に記載のヒータ。 - 前記所定の形状は、複数の脚を定め、前記脚のそれぞれは、多角形形状を定める、
請求項1に記載のヒータ。 - 前記多角形形状は、外側に延びる部分、横方向部分、及び、内側に延びる部分のセットの繰り返しを含み、前記横方向部分のそれぞれは、誘電体部材により分離される、
請求項9に記載のヒータ。 - 前記所定の形状は、不均一な断面を定める、
請求項3に記載のヒータ。 - 前記所定の形状は、翼、楕円、卵形からなるグループから選択され、前記抵抗発熱体は、前記流体の流れに直接さらされる、
請求項1に記載のヒータ。 - 各抵抗発熱体は、所定の形状を定め、前記抵抗発熱体は、前記流体の流れに直接さらされる、複数の抵抗発熱体と、
隣接する抵抗発熱体の間に配置された対応する複数の誘電体部材とを備え、
前記所定の形状は、熱分布、構造強度、及び、背圧の低減を与える断面形状を含む、
請求項1に記載のヒータ。 - 前記所定の形状は、U、C、I、T、V、Z、スプライン、閉じた形状断面、及び、これらの組合せからなるグループから選択される、
請求項13に記載のヒータ。 - 前記所定の形状は、内部が空洞、非円形、楕円、卵形、翼、涙形、及び、これらの組合せからなるグループから選択される閉じた形状断面を定める、
請求項13に記載のヒータ。 - 前記抵抗発熱体は、直列回路、並列回路、及び、直列回路と並列回路の組合せのうちの1つで接続される、
請求項13に記載のヒータ。 - 前記断面形状は、前記流体の流れに垂直、及び、前記流体の流れに対して横方向のうちの少なくとも1つに配置される、
請求項13に記載のヒータ。 - 前記抵抗発熱体は、流体が前記抵抗発熱体を通り周りに流れることを可能にするサイズ及び形状の開口部を含む、
請求項13に記載のヒータ。 - 前記抵抗発熱体の少なくとも1つは、流れのガイドとして動作する、
請求項13に記載のヒータ。 - 前記抵抗発熱体は、前記流体通路の非線形部を通る前記流体の流れと実質的に平行に配置される、
請求項13に記載のヒータ。 - 前記複数の抵抗発熱体の少なくとも1つは、前記通路の屈曲部内に配置される半円形の断面形状を定める、
請求項20に記載のヒータ。 - 前記複数の抵抗発熱体及び前記誘電体部材の少なくとも1つは、前記流体の流れの混合を可能にする、
請求項13に記載のヒータ。 - 前記複数の抵抗発熱体の少なくとも1つは、前記複数の抵抗発熱体をヒータ及び温度センサとして動作させることが可能な抵抗の温度係数を有する、
請求項13に記載のヒータ。 - 前記抵抗発熱体の表面の少なくとも一部は、前記流体の流れの構成化合物及び成分の少なくとも1つとの化学反応を促進する触媒を含む、
請求項13に記載のヒータ。 - 前記抵抗発熱体は、所定の熱の分布、その場の熱の分布、熱の動的分布、及び、これらの組合せのうちの少なくとも1つを可能にする複数の電気回路を形成する、
請求項13に記載のヒータ。 - 請求項13に記載のヒータを含む流体管であって、
前記流体管は、
内壁及び前記抵抗発熱体の間に配置された少なくとも1つの誘電体部材と、
前記ヒータへの電気接続を保護するように適合された前記流体管に取り付けられた電気ボックスで、電流スイッチングデバイス及び分散された動作システムのうちの少なくとも1つをさらに含む前記電気ボックスとを備える。
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Also Published As
Publication number | Publication date |
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WO2017151975A1 (en) | 2017-09-08 |
JP7051695B2 (ja) | 2022-04-11 |
CA3016181A1 (en) | 2017-09-08 |
US20170273146A1 (en) | 2017-09-21 |
JP2022043150A (ja) | 2022-03-15 |
EP3423760A1 (en) | 2019-01-09 |
EP3795920A1 (en) | 2021-03-24 |
US11330676B2 (en) | 2022-05-10 |
CN108700336A (zh) | 2018-10-23 |
EP3933293A1 (en) | 2022-01-05 |
CN108700336B (zh) | 2021-09-17 |
MX2018010600A (es) | 2018-11-09 |
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