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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KLEENAIR SYSTEMS INTERNATIONAL PLC,, NORTHWOOD, GB
Original Assignee
DAVIS JAMES W RANCHO MIRAGE CALIF US
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DAVIS JAMES W RANCHO MIRAGE CALIF USfiledCriticalDAVIS JAMES W RANCHO MIRAGE CALIF US
Priority claimed from PCT/US1992/003225external-prioritypatent/WO1993021432A1/en
Application grantedgrantedCritical
Publication of DE69220969D1publicationCriticalpatent/DE69220969D1/en
Publication of DE69220969T2publicationCriticalpatent/DE69220969T2/en
Ammonia based exhaust gas re-treatment unit feeds gaseous ammonia directly into exhaust gas flow of internal combustion, preferably diesel, engine; exhaust gas flows through exhaust tract free of urea-water vapor and urea-water solution