FR2258531B2 - - Google Patents
Info
- Publication number
- FR2258531B2 FR2258531B2 FR7502479A FR7502479A FR2258531B2 FR 2258531 B2 FR2258531 B2 FR 2258531B2 FR 7502479 A FR7502479 A FR 7502479A FR 7502479 A FR7502479 A FR 7502479A FR 2258531 B2 FR2258531 B2 FR 2258531B2
- Authority
- FR
- France
- 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
Classifications
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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
- F01N3/10—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
-
- 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
- F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
-
- 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
- F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2254961A DE2254961C2 (de) | 1972-11-10 | 1972-11-10 | Regeleinrichtung für die Zumessung einer Zusatzluftmenge zur Verbesserung der Verbrennung in Brennkraftmaschinen oder der Nachverbrennung der Abgase von Brennkraftmaschinen |
| DE19742403134 DE2403134C2 (de) | 1974-01-23 | Regeleinrichtung für die Zumessung einer Zusatzluftmenge zur Verbesserung der Verbrennung in Brennkraftmaschinen oder der Nachverbrennung der Abgase von Brennkraftmaschinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2258531A2 FR2258531A2 (fr) | 1975-08-18 |
| FR2258531B2 true FR2258531B2 (US07902200-20110308-C00004.png) | 1979-09-28 |
Family
ID=41818362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7502479A Granted FR2258531A2 (fr) | 1972-11-10 | 1975-01-22 | Systeme regulatuer dosant l'air d'appoint destine a ameliorer dans le moteurs ou la postcombustion de leurs gaz d'echappement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2258531A2 (US07902200-20110308-C00004.png) |
-
1975
- 1975-01-22 FR FR7502479A patent/FR2258531A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2258531A2 (fr) | 1975-08-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name |