| 摘要 |
The invention is a spin-on type filter with a reclaimed permanent filter casing and permanent filtering media 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 bypass 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 full flow medium is fouled. Each system can be implemented with multiple media. The main body of the filter, which comprises the filter head and the media, can be separated easily for servicing from its casing which is designed to attach to the engine. Fine stainless steel cloths are utilized as filtering media which can last the life of an engine. Furthermore, magnets 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 adapted to it or a new filter canister casing can be utilized whichever is the advantage at the time of installation and of in production.
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