skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Installation for the catalytic afterburning of exhaust gases in the exhaust gas system of an internal combustion engine

Patent ·
OSTI ID:7185953

An installation is described for the catalytic afterburning of exhaust gases in an internal combustion engine. The system includes a line by-passing the installation for the catalytic afterburning, in which is arranged a throttle valve actuated in dependence on the temperature of the installation. The throttle valve also can be actuated independently of the temperature of the installation, but in dependence of the oil pressure which continues to exist for a short period of time after turning off the engine.

Assignee:
Dr. -Ing. H.c.F. Porsche Aktiengesellschaft
Patent Number(s):
US 3961478
OSTI ID:
7185953
Resource Relation:
Patent Priority Date: Priority date 5 Dec 1973, German, Federal Republic of (F.R. Germany)
Country of Publication:
United States
Language:
English