Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1989-12-12
1990-11-06
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
33501, 134 62, 134 89, 134 95, 134 99, 134103, 134115R, 134169R, 134171, B08B 302, B08B 908
Patent
active
049677764
ABSTRACT:
An oil filter cleaning system includes a piercing apparatus for cutting openings in a used oil filter to allow drainage of excess dirty oil therefrom. A rinsing and cleansing mechanism is provided atop a chamber containing liquid solvent and includes one or more nozzles upon which the original bottom opening of drained oil filters are mounted following which, a pump is actuated to inject solvent into the filters and which is expelled from the pierced openings. Thereafter, pressurized air is injected into the filters from the same nozzles to remove all residual solvent and oil therefrom. Separate piercing and rinsing and cleansing stations may be provided for treating one filter at a time or alternatively, these stations may be combined into one station operable to simultaneously treat a plurality of filters. In the latter instance, it is proposed to include a sorting device to facilitate the accumulation of several filters having the same diameter in order to accommodate a gang piercing mechanism.
REFERENCES:
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patent: 2526286 (1950-10-01), Schwarzkopf et al.
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patent: 2668550 (1954-02-01), Borge
patent: 2687136 (1954-08-01), Moore
patent: 2905079 (1959-09-01), Brock
patent: 4058412 (1977-11-01), Knapp et al.
patent: 4585019 (1986-04-01), Jacobson
Coe Philip R.
Litman Richard C.
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