Acid neutralising filter canister

摘要

An acid neutralizing filter construction is provided that may be used as a bypass type filter 10. The filter includes a canister 12 having an open end. An end plate 20 is secured to the canister at the open end and includes an inlet port 26 and an outlet port 24 to provide for fluid communication with a mounting adaptor of an oil circuit. A reactor housing is arranged inside the canister and comprises a bowl 32 and a lid 34. The reactor housing defines an entrance port 44 and an exit port 46. An acid neutralizing bed of acid neutralizing particles is deposited in the reactor housing. The acid neutralizing particles comprises primarily of calcium carbonate compound 72 or other suitable medium which may be provided by crushed limestone. A particulate filter 54 is also arranged in the reactor housing between the acid neutralizing bed and the exit port.