Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Fluid pressure responsive
Patent
1996-05-23
1998-09-29
Reifsnyder, David A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Fluid pressure responsive
210132, 210136, 210223, 210232, 210315, 210316, 210338, 210443, 210424, 210456, 210DIG817, 184 624, 184 625, 123196A, B01D 3506, B01D 35147
Patent
active
058142118
ABSTRACT:
The invention is a spin-on type filter with a reclaimed permanent filter casing and permanent filtering mediums that are washable and reusable. There are three distinct progressive filtering systems that function simultaneously, but separately within one filter housing; one is the full flow filtering at 10 micron capability while the other is in its by-pass fine filtering mode at 1 to 3 micron filtering capability. In addition, a safety full flow filter can be activated to filter the return oil while the main fill flow medium is fouled. Each system can be implemented with multi mediums. The main body of the filter, which comprises the filter head and the mediums, can be separated easily for servicing from its casing which is designed to attach to the engine. Fine stainless steel cloths are being utilized as filtering mediums which can last the life of an engine. Further more, magnetic pieces are utilized to trap suspending metal filings in oil flow. The design of the main filter body as such is that any used conventional filter canister can be simply adopted to it or a new filter canister casing can be utilized whichever is the advantage at the time of installation and of in production.
REFERENCES:
patent: 5078877 (1992-01-01), Cudaback et al.
patent: 5569373 (1996-10-01), Smith et al.
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