An acid neutralizing filter construction is provided that may be used as a bypass
type filter. The filter includes a canister having an open end. An end plate is
secured to the canister at the open end and includes an inlet port and an outlet
port 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 and a lid.
The reactor housing defines an entrance port and an exit port. An acid neutralizing
bed of acid neutralizing particles is deposited in the reactor housing. The acid
neutralizing particles comprises primarily of calcium carbonate compound or other
suitable medium which may be provided by crushed limestone. A particulate filter
is also arranged in the reactor housing between the acid neutralizing bed and the
exit port.
