A filter media that inhibits the formation of static charge in a liquid flowing through the filter media comprises a filtration layer having a first surface and a second surface opposite the first surface and comprising a non-conductive fibrous material having a plurality of fibers, the fibrous mate
A filter media that inhibits the formation of static charge in a liquid flowing through the filter media comprises a filtration layer having a first surface and a second surface opposite the first surface and comprising a non-conductive fibrous material having a plurality of fibers, the fibrous material comprising a metal layer deposited on at least a portion of the fibers through at least a portion of the thickness of the filtration layer. The filter media or a filter apparatus incorporating the filter media does not require means for dissipating static charge from the fluid and, therefore, does not require grounding.
대표청구항▼
1. A filter media for filtering a prescribed liquid flowing therethrough comprising: a filtration layer having a first surface and a second surface opposite the first surface and comprising a non-conductive fibrous material having a plurality of fibers, the fibrous material having a metal layer depo
1. A filter media for filtering a prescribed liquid flowing therethrough comprising: a filtration layer having a first surface and a second surface opposite the first surface and comprising a non-conductive fibrous material having a plurality of fibers, the fibrous material having a metal layer deposited on at least a portion of the fibers through at least a portion of the thickness of the filtration layer, the filtration layer inhibiting formation of a static charge in the prescribed liquid when a liquid passes through the media. 2. The filter media according to claim 1, wherein the metal layer on the fibrous material has a thickness of from about 100 to about 400 angstroms. 3. The filter media according to claim 1, wherein the metal layer comprises a metal chosen from aluminum, nickel, copper, vanadium, titanium, silver, palladium, platinum, tin, chromium, or a combination of two or more thereof. 4. The filter media according to claim 1, wherein the metal layer comprises aluminum. 5. The filter media according to claim 1, wherein the filtration layer has a thickness of from about 2 to about 20 mil. 6. The filter media according to claim 1, wherein the filtration layer has a thickness of about 5 to about 10 mil. 7. The filter media according to claim 1, wherein the metal layer deposited on the fibers is deposited through substantially the entire thickness of the filtration layer. 8. The filter media according to claim 1, wherein the non-conductive fibrous material comprises fibers chosen from fiberglass, microglass, a melt blown polymer fiber, or a combination of two or more thereof. 9. The filter media according to claim 1, comprising a support layer adjacent at least one of the first or second surfaces of the filtration layer. 10. The filter media according to claim 1, wherein the metal of the metal layer has a position on the triboelectric series that is closer to the prescribed fluid than the position of the fibrous material relative to the prescribed fluid. 11. A method of filtering a liquid comprising introducing a flow of liquid through the fiber media of claim 1. 12. The method of claim 11, wherein the liquid comprises a hydrocarbon. 13. A method of making a filter media for filtering a prescribed fluid comprising: providing a filtration layer having a first surface and a second surface opposite the first surface, the filtration layer comprising a non-conductive fibrous material having a plurality of fibers;selecting a metal having a position in the triboelectric series closer to the prescribed fluid than the position of the fibrous material relative to the prescribed fluid; anddepositing the metal to form a metal layer on at least a portion of the fibers of the fibrous material through at least a portion of the thickness of the filtration layer. 14. The method according to claim 13, wherein depositing the metal comprises vacuum depositing the metal onto the fibers of the fibrous material. 15. The method according to claim 13, wherein the metal layer comprises a metal chosen from aluminum, nickel, copper, vanadium, titanium, silver, palladium, platinum, tin, chromium, or mixtures of two or more thereof. 16. The method according to claim 13, wherein the filtration layer has a thickness of from about 2 to about 20 mil. 17. The method according to claim 13, wherein the filtration layer has a thickness of from about 5 to about 10 mil. 18. The method according to claim 13, wherein the thickness of the metal layer on the fibers is from about 100 angstroms to about 400 angstroms. 19. A filter assembly for filtering particulates in a liquid system, the filter assembly comprising: a housing for receiving a filter cartridge, the housing including a tubular housing portion;a filter cartridge disposed in the housing, the filter cartridge having a filler media for providing a predetermined particle filtration efficiency, the filter media comprising a filtration layer having a first surface and a second surface opposite the first surface and comprising a non-conductive fibrous material having a plurality of fibers, the filtration layer comprising a metal layer deposited on at least a portion of the fibers of the fibrous material through at least a portion of the thickness of the filtration layer, the filtration layer inhibiting formation a static charge in a liquid when a liquid passes through the filtration layer; andan end cap supporting the filter assembly, the end cap having an opening receiving a portion of the housing.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Hobson Alex R. (Elkton MD) Mooney David E. (Elkton MD) Stark Stephen K. (Wilmington DE), Conductive filter laminate.
Yoshida Kazuo (Otsu JPX) Tada Shinsaku (Otsu JPX) Kitamura Atsushi (Otsu JPX), Porous carbon fiber material with a thin metal film covering each fiber.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.