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US 5,409,514 AGranted
Air filter
OwnerGuiseppe Ragusa, Jimmy P. Bajadainventors
Life of this patent
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Abstract
An air filter includes an inlet for compressed air, a prefiltration chamber into which air from the inlet passes, a porous filter through which air from the prefiltration chamber passes to strain particular matter from the air, a plurality of venturis through which air from the porous filter passes, an expansion chamber in which air from the venturis expands and cools so that droplets of oil and water precipitate and accumulate at the bottom of the expansion chamber, and an outlet for air from the expansion chamber.
Claims8
An air filter comprising:
- an inlet for compressed air;
- a prefiltration chamber into which air enters from the inlet;
- porous filter means through which, air from the prefiltration chamber passes, to strain particulate matter from the air;
- a plurality of venturis through which air from the porous filter means passes;
- an expansion chamber in which air from the venturis expands and cools so that droplets of oil and water precipitate and accumulate at a bottom region of the expansion chamber;
- and
- an outlet from the expansion chamber.
4 more elements
Dependencies are inferred from the claim text.