Exhaust gas purifier in an internal combustion engine
US4056933A · kind A · utility
15Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1976 |
| Grant date | Nov 8, 1977 |
| Priority date | — |
| Expiry date | May 19, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M26/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An exhaust gas purifier in an internal combustion engine having a plurality of cylinders and two separate exhaust manifolds. Two separate exhaust pipes are connected to the corresponding exhaust manifolds, one of the exhaust pipes being joined with the other exhaust pipe. The recirculated exhaust gas is extracted from the one exhaust pipe and is delivered into the air intake system. Secondary air is fed into the other exhaust manifold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.