Intake air filter for the internal combustion engine of a motor vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 9, 1992
Grant Date -
N/A
app pub date -
Aug 6, 1991
filing date -
Aug 6, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An intake air filter for an internal combustion engine is disclosed which includes a housing having a raw air inlet for unfiltered air and a clean air outlet for filtered air and first and second annular filter inserts disposed concentrically one inside the other within the housing through which air flows radially from the outside to the inside, the first filter insert being an outer filter insert, and the second filter insert being a safety cartridge disposed within the first filter insert, the second filter insert being closed at one end with a cover plate; the other end of the second filter insert facing the air outlet, and the second filter insert being secured to the housing by a screw thread adjacent the air outlet.
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