Filtran LLC

Spx Corporation

Kenneth Swanson

Mark T Meddock

Leroy J Meddock

Leroy Meddock

A fluid filter includes a first filter, a second filter coaxial with the first filter, an inlet adjacent the first and second filters, a first outlet adjacent the inlet, and a second outlet at a distal end from the inlet and the first outlet. Further, the first and second filters may be housed in a unitary canister or a canister that has a canister body coupled to a removable canister cap. The bypass flow filter includes a cap having a plurality of blades.

Coaxial full-flow and bypass oil filter having cap with blades

A fluid filter includes a first filter, a second filter coaxial with the first filter, an inlet adjacent the first and second filters, a first outlet adjacent the inlet, and a second outlet at a distal end from the inlet and the first outlet. Further, the first and second filters may be housed in a unitary canister or a canister that has a canister body coupled to a removable canister cap. First and second springs urge each of the filters into sealing contact with respective gaskets at opposite ends of the device.

Coaxial full-flow and bypass oil filter with spring/gasket arrangement

An improved combination full flow bypass oil filter is presented where the output of the bypass filter is obtained by non-venturi means and the extremely clean bypass filter output is measurable at all engine oil pressures. The bypass filter output is not blended with the full pass filtered oil until the bypass filtered oil is returned to the engine sump. Measurements have been made of this system that show positive bypass filter output in the range of 5 to 85 PSI engine oil pressure, the output a linear function of the oil pressure coming from the engine.

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Rancho Sante Fe, CA, United States of America

Kenneth Swanson