JPS4980417A - - Google Patents
Info
- Publication number
- JPS4980417A JPS4980417A JP8771673A JP8771673A JPS4980417A JP S4980417 A JPS4980417 A JP S4980417A JP 8771673 A JP8771673 A JP 8771673A JP 8771673 A JP8771673 A JP 8771673A JP S4980417 A JPS4980417 A JP S4980417A
- Authority
- JP
- Japan
- 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
Classifications
-
- 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
- F01N3/10—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
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722238788 DE2238788A1 (de) | 1972-08-07 | 1972-08-07 | Abblasventil in der luftzuleitung zu einer abgasentgiftungsanlage fuer brennkraftmaschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4980417A true JPS4980417A (xx) | 1974-08-02 |
Family
ID=5852884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8771673A Pending JPS4980417A (xx) | 1972-08-07 | 1973-08-06 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4980417A (xx) |
| DE (1) | DE2238788A1 (xx) |
| FR (1) | FR2196007A5 (xx) |
| GB (1) | GB1414368A (xx) |
| IT (1) | IT991416B (xx) |
-
1972
- 1972-08-07 DE DE19722238788 patent/DE2238788A1/de active Pending
-
1973
- 1973-07-26 IT IT2714373A patent/IT991416B/it active
- 1973-07-27 GB GB3589673A patent/GB1414368A/en not_active Expired
- 1973-08-06 FR FR7328714A patent/FR2196007A5/fr not_active Expired
- 1973-08-06 JP JP8771673A patent/JPS4980417A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2196007A5 (xx) | 1974-03-08 |
| DE2238788A1 (de) | 1974-02-21 |
| IT991416B (it) | 1975-07-30 |
| GB1414368A (en) | 1975-11-19 |