System for protection of automotive exhaust gas combustion devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Jun 15, 1990
filing date -
Jun 16, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for protecting the catalytic exhaust gas combustion devices of an automotive engine featuring two sets of cylinders, which system has, for each set of cylinders: a first sensor housed in the exhaust pipe downstream from the catalytic combustion device and designed to supply a first signal as a function of the temperature of the combustion device; a comparing block for supplying a second signal in response to the first signal reaching a threshold value indicating a predetermined temperature of the combustion device; and a central processing unit of an electronic fuel injection system, designed to cut off a fuel supply to the injectors of the aforementioned set of cylinders as a function of the aforementioned second signal.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully