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US 4,729,776 AGranted
Air swirling device for use in the annular space of air filters on internal combustion engines
OwnerHoward E. Elliffinventor
Life of this patent
Estimating the term…
Abstract
A substantially circular strip air swirling device is provided for positioning in the annular space of air filters on internal combustion engines. Such device has a plurality of upper outwardly extending vanes and a plurality of upper inwardly extruding vanes with a transverse support member. Such device creates a swirling stream of air as the air enters the air horn of the carburetor to provide improved carburetion which results in improved gasoline mileage.
Claims1
A device for use in the annular space of an air filter positioned in an air filter housing having an inlet and an outlet, said device including in combination
- a circular strip frame,
- a plurality of outwardly extending vanes extending from the upper portion of said frame at an angle from about 20 to 30 degrees,
- a plurality of inwardly extending vanes extending from the upper portion of said frame at an angle from about 20 to 30 degrees with respect to a horizontal plane, and
- a transverse support member connected to the outer portion of said frame, said transverse support member having an opening therein.
1 more element
Dependencies are inferred from the claim text.