Aspirating muffler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 6, 1987
Grant Date -
N/A
app pub date -
Jan 13, 1986
filing date -
Jan 13, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An aspirating muffler having a simplified venturi construction. The muffler includes a body having an inlet pipe connected to the exhaust system of an engine and having an outlet pipe. The upstream end of the outlet pipe is rolled inwardly to provide the end with a reduced cross sectional area which defines a venturi. An aspirating tube which is connected to an air cleaner pre-cleaner for the engine communicates with the venturi and flow of exhaust gas through the venturi end of the outlet pipe creates an aspirating action to draw solid particles from the pre-cleaner and discharge the particles through the outlet pipe to the atmosphere.
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