Oil filter for the cleaning of lubricating oil

Details Oil filter for the cleaning of lubricating oil Oil filter for the cleaning of lubricating oil

1995-06-30

1996-05-14

Savage, Matthew O.

Liquid purification or separation

With repair or assembling means

210248, 210429, 210438, 210440, 210450, 210488, B01D 3502

Patent

active

055164250

ABSTRACT:
An oil filter has a cap screwed to the approximately upright arranged filter housing of the oil filter for the cleaning of lubricating oil, with a ring-shaped filter insert being detachably fastened on the cap and separating the outer inflow space from the inner flow-off space. In the lower zone of the filter housing, provision is made for a valve-like acting member, which is automatically opened with each change of the filter insert and serves for discharging oil that remained in the filter housing into an oil-collecting space via a discharge duct. A center bar is rotatably connected with the cap. The center bar is axially displaceable in a limited way and has in its zone close to the cap a piston-like flange, which is sealed against the filter insert and separates the inflow space from the flow-off space. The center bar has, in its lower end zone, the valve-like acting member cooperating with the discharge duct.

REFERENCES:
patent: 3200953 (1965-08-01), Komarmy
patent: 4036755 (1977-07-01), Dahm et al.
patent: 4094791 (1978-06-01), Conrad
patent: 4322290 (1982-03-01), Carl
patent: 5049269 (1991-09-01), Shah

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