Exhaust gas cleaning device for internal combustion engine
US4386497A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jun 19, 1981 |
| Grant date | Jun 7, 1983 |
| Priority date | — |
| Expiry date | Jun 19, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/30
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust gas cleaning device comprises a casing provided with an inlet port which is communicated with an exhaust pipe of an internal combustion engine and an outlet port, two particulates collecting members disposed in two independent exhaust gas flowing passages which are communicated with the inlet port and the outlet port of the casing, a valve means provided on the downstream side of the two exhaust gas flowing passages for selectively passing the exhaust gases into either one of the exhaust gas flowing passages and a heated air supplying means provided on the downstream side of the collecting members for selectively supplying heated air into either one of the particulates collecting members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.