Patent ID: 6984319
Filing Date: 2006-01-10
Classification: B01D,C10M,C10N,F01M

Abstract:
1. An environmentally friendly acid neutralizing filter cartridge for mounting in a cartridge mounting body of an engine oil circuit for filtering particulates and neutralizing acid in oil, the filter cartridge comprising: a support housing adapted to be mounted in the cartridge mounting body, the support housing comprising substantially no metal parts such that the filter cartridge can be incinerated; a full flow particulate filter arranged in the support housing; a bypass particulate filter arranged in the support housing; a bed of acid neutralizing particles contained in the support housing; a predetermined primary flow path defined through the filter cartridge passing through the full flow particulate filter and bypassing the bed of acid neutralizing particles; a predetermined bypass path defined through the filter cartridge passing, in sequence, through the bed of acid neutralizing particles and the bypass particulate filter; and wherein the filter cartridge includes an outer annular periphery extending axially between a pair of axially spaced ends, wherein a fluid inlet is provided at the outer annular periphery and a fluid outlet is through one of the ends, such that fluid enters the filter cartridge through the outer annular periphery.