Patent ID: 6800194
Filing Date: 2004-10-05
Classification: B01D

Abstract:
A lubricating oil filter, comprising:a housing having a first shell with a first wall having a first peripheral rim extending transversely thereto, and a second shell with a second wall facing the first wall, the second wall having a second peripheral rim extending transversely thereto; a shoulder on the first wall, the shoulder facing the second wall; a pleated pack filter media mounted on the shoulder in spaced relation to the first wall to define a filtered oil collection chamber between the filter media and first wall, the pleated pack filter media defining filter media peaks and valleys extending in a selected direction; a rib on the second wall, the rib facing the shoulder on the first wall and engaging the filter media to fix the filter media between the first and second walls, the rib being in spaced relation to the second wall to define a distribution chamber between the filter media and second wall for receiving unfiltered lubricating oil; grooves in the peripheral rims of the shells defining shell peaks and valleys which shell peaks and shell valleys are received in the filter media peaks and valleys of the pleated pack filter media, and an unfiltered lubricating oil inlet through the second wall and a filtered lubricating oil outlet through the first wall, the inlet being laterally spaced from the outlet with the selected direction in which the peaks and valleys extend being from the inlet to the outlet, whereby unfiltered lubricating oil is spread over the filter media after entering the inlet; is filtered by the filter media; collected as filtered lubricating oil in the collection chamber, and passes through the outlet.