JPH0476924U - - Google Patents
Info
- Publication number
- JPH0476924U JPH0476924U JP12207490U JP12207490U JPH0476924U JP H0476924 U JPH0476924 U JP H0476924U JP 12207490 U JP12207490 U JP 12207490U JP 12207490 U JP12207490 U JP 12207490U JP H0476924 U JPH0476924 U JP H0476924U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- photocatalyst
- temperature
- ultraviolet rays
- opens
- 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.)
- Pending
Links
- 239000011941 photocatalyst Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例の自動車用排気ガス
浄化装置を示す模式断面図である。
２１……Ｐｔ／Ｒｈ触媒（中・高温用触媒）、
４１……光触媒、４２……紫外線照射ランプ、５
……開閉弁、７……制御部、７１……温度センサ
。
FIG. 1 is a schematic cross-sectional view showing an automobile exhaust gas purification device according to an embodiment of the present invention. 21...Pt/Rh catalyst (medium/high temperature catalyst),
41...Photocatalyst, 42...Ultraviolet irradiation lamp, 5
...Opening/closing valve, 7...Control unit, 71...Temperature sensor.
Claims (1)
と、 紫外線の照射により排気ガスを浄化する光触媒
と、 排気ガスの該光触媒への流路を開閉する開閉弁
と、 該光触媒に紫外線を照射する紫外線照射ランプ
と、 排気ガスの温度を検知し、該排気ガスが所定温
度未満の低温であれば該開閉弁を開いて低温の該
排気ガスを該光触媒に導くとともに該紫外線照射
ランプを点灯させて該光触媒に紫外線を照射させ
る制御部とをもつことを特徴とする自動車用排気
ガス浄化装置。[Scope of claim for utility model registration] A medium/high temperature catalyst that purifies medium/high temperature exhaust gas, a photocatalyst that purifies exhaust gas by irradiating ultraviolet rays, and an on-off valve that opens and closes a flow path of exhaust gas to the photocatalyst. and an ultraviolet irradiation lamp that irradiates the photocatalyst with ultraviolet rays; detects the temperature of the exhaust gas, and if the exhaust gas is at a low temperature below a predetermined temperature, opens the on-off valve and guides the low-temperature exhaust gas to the photocatalyst. An exhaust gas purification device for an automobile, comprising: a controller for lighting the ultraviolet irradiation lamp to irradiate the photocatalyst with ultraviolet rays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12207490U JPH0476924U (en) | 1990-11-20 | 1990-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12207490U JPH0476924U (en) | 1990-11-20 | 1990-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476924U true JPH0476924U (en) | 1992-07-06 |
Family
ID=31869878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12207490U Pending JPH0476924U (en) | 1990-11-20 | 1990-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476924U (en) |
-
1990
- 1990-11-20 JP JP12207490U patent/JPH0476924U/ja active Pending
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