IT1195434B - Engine exhaust gas purification system for IC engine - Google Patents
Engine exhaust gas purification system for IC engineInfo
- Publication number
- IT1195434B IT1195434B IT04812/83A IT481283A IT1195434B IT 1195434 B IT1195434 B IT 1195434B IT 04812/83 A IT04812/83 A IT 04812/83A IT 481283 A IT481283 A IT 481283A IT 1195434 B IT1195434 B IT 1195434B
- Authority
- IT
- Italy
- Prior art keywords
- engine
- zone
- explosive
- outlet pipe
- air
- Prior art date
Links
- 238000000746 purification Methods 0.000 title 1
- 239000002360 explosive Substances 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
The system includes an expansion chamber with sound damping elements an explosive after burner with baffles, an air inlet arrangement and a final pulsating combustion zone is discharging into an outlet pipe. Following the explosive zone is an extended channel which increases in section, and before the outlet pipe is a line connected to atmosphere to reduce pressure peaks, through which air is pumped, and which pass cooling air at higher motor speeds. The afterburner chamber has perforated double walls symmetrically positioned inside non perforated walls. These are combined with a thermally insulating dielectric layer and an end wall which forms an impact surface controlling the circulation of the gases. Inside the tube and impact surfaces is a zone forming an ignition path switched to synchronise with the engine ignition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3320414A DE3320414A1 (en) | 1982-02-20 | 1983-06-06 | Exhaust system for internal combustion engines |
| DE3322435A DE3322435A1 (en) | 1983-03-31 | 1983-06-22 | Exhaust system for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3305439 | 1983-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8304812A0 IT8304812A0 (en) | 1983-03-31 |
| IT1195434B true IT1195434B (en) | 1988-10-19 |
Family
ID=6191061
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1983A04812A IT8304812A1 (en) | 1983-02-17 | 1983-03-31 | TWO-PHASE POST-COMBUSTION WITH SYSTEMATIC ELECTRIC AND THERMAL IONIZATION FOR THE COMBUSTION OF LEAN EXHAUST GASES OF COMBUSTION ENGINES |
| IT04812/83A IT1195434B (en) | 1982-02-20 | 1983-03-31 | Engine exhaust gas purification system for IC engine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1983A04812A IT8304812A1 (en) | 1983-02-17 | 1983-03-31 | TWO-PHASE POST-COMBUSTION WITH SYSTEMATIC ELECTRIC AND THERMAL IONIZATION FOR THE COMBUSTION OF LEAN EXHAUST GASES OF COMBUSTION ENGINES |
Country Status (1)
| Country | Link |
|---|---|
| IT (2) | IT8304812A1 (en) |
-
1983
- 1983-03-31 IT IT1983A04812A patent/IT8304812A1/en unknown
- 1983-03-31 IT IT04812/83A patent/IT1195434B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8304812A1 (en) | 1984-10-01 |
| IT8304812A0 (en) | 1983-03-31 |
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