Filter with improved fatigue performance and torque transfer

Details Filter with improved fatigue performance and torque transfer Filter with improved fatigue performance and torque transfer

2005-12-28

2010-12-14

Smith, Duane (Department: 1797)

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

C055S502000, C210S443000, C210S450000, C210S452000

Reexamination Certificate

active

07850755

ABSTRACT:
A fluid filter includes a base plate, a canister, and filtering media contained in the canister for filtering fluid from an inlet port to an outlet port. Notches are formed into an outer periphery of the base plate. An annular bead of the canister side wall is partially formed into the notches to provide a torque locking mechanism between the base plate and the canister. The terminating lip portion of the canister is wrapped around the outer face of the base plate and formed into an annular trough to directly secure the base plate to the canister. The annular trough includes a diverging outer wall that provides a narrow contact interface between the terminating lip portion and the retention corner of the base plate to thereby reduce moment loads induced therebetween as a result of high fluid pressures in the filter.

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