Liquid purification or separation – Structural installation – Closed circulating system
Patent
1986-05-23
1988-04-19
Fisher, Richard V.
Liquid purification or separation
Structural installation
Closed circulating system
210314, 210DIG13, 210DIG17, B01D 2926, F01M 1103
Patent
active
047387769
ABSTRACT:
A lubricant filter assembly for an internal combustion engine is provided which includes a head member removably mounted on a base member. The head member includes a sleeve-like housing open at one end only and having first and second filter units fixedly mounted therein. The outer peripheries of the filter units coact with the interior surface of the housing to form a common inlet passage. One of the filter units is provided with an interior first outlet passage which communicates with a first passage formation formed in the base member. The first passage formation communicates with a first lubricating circuit of the engine. The second filter unit is provided with an interior second outlet passage which communicates with a second passage formation formed in the base member. The second passage formation communicates with a second lubricating circuit of the engine. Seal sections are carried by the head member. One seal section effects a sealing engagement between the base member and a portion of the housing defining the open end. A second seal section is disposed within the housing and prevents direct communication between the inlet passage and the first outlet passage. A third seal section is disposed within the housing and prevents communication between the first and second outlet passages. The sealing engagement effected by the third seal section is enhanced upon the flow pressure within the interior first outlet passage being increased.
REFERENCES:
patent: 2748949 (1956-06-01), James
patent: 2995253 (1961-08-01), Belgarde et al.
patent: 3586171 (1971-06-01), Offer
patent: 4151823 (1979-05-01), Grosse et al.
Cummins Engine Company, Inc.
Fisher Richard V.
Jordan Richard D.
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