[특허]Oil deterioration prevention device

Oil deterioration prevention device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01M-011/03 F01M-011/10 F01M-009/02 B01D-037/02 B01D-027/00 F01M-001/10
출원번호	US-0350409 (2012-10-18)
등록번호	US-10145275 (2018-12-04)
우선권정보	JP-2011-243926 (2011-11-07); JP-2012-106263 (2012-05-07)
국제출원번호	PCT/JP2012/077005 (2012-10-18)
국제공개번호	WO2013/069428 (2013-05-16)
발명자 / 주소	Saito, Yasuhiro Morishita, Hideto Fukutomi, Ippei Murakami, Motoichi Miyasaka, Katsuichi Hiyoshi, Masatoshi Morita, Koji
출원인 / 주소	TOYOTA BOSHOKU KABUSHIKI KAISHA
대리인 / 주소	Greenblum & Bernstein, P.L.C.
인용정보	피인용 횟수 : 0 인용 특허 : 42

초록 ▼

An oil deterioration prevention device is provided that can prevent an increase in pressure loss by reducing oilflow resistance. The oil deterioration prevention device may include a filtering unit with a filter element that filters oil, and a deterioration prevention unit having a powdery deterioration prevention agent that prevents deterioration of oil, wherein out of oil fed from an oil containing unit, oil filtered by the filtering unit is fed to a part to be lubricated, and oil that is prevented from being deteriorated by the deterioration prevention unit is returned to the oil containing unit or sent to the part to be lubricated.

대표청구항 ▼

1. An oil deterioration prevention device comprising: a filtering unit including a filter element that filters oil;a deterioration prevention unit including a powdery deterioration prevention agent that prevents deterioration of oil, the powdery deterioration prevention agent comprising one of an inorganic ion-exchange material and an ion-exchange resin material, anda housing that houses the filtering unit and the deterioration prevention unit, whereinout of oil fed from an oil containing unit, oil filtered by the filtering unit is fed to a part to be lubricated,the housing is provided with an oil inflow passage for allowing oil fed from the oil containing unit to flow into the housing, and an oil outflow passage for allowing oil filtered by the filtering unit to flow toward the part to be lubricated,the deterioration prevention unit includes a porous layer that retains the deterioration prevention agent and that allows oil to pass, and an intermediate layer that does not allow deterioration agent to pass and that allows oil to pass,the porous layer includes a first porous layer and a second porous layer that are stacked in a passing direction of oil, andthe intermediate layer includes a plate-shaped ring between the first porous layer and the second porous layer,a porosity of the first porous layer on an upstream side is larger than a porosity of the second porous layer on a downstream side. 2. The oil deterioration prevention device according to claim 1, further comprising an oil returning passage for returning oil that is prevented from being deteriorated by the deterioration prevention unit to the oil containing unit. 3. The oil deterioration prevention device according to claim 2, wherein the maximum horizontal sectional area of the oil outflow passage is larger than the maximum horizontal sectional area of the oil returning passage. 4. The oil deterioration prevention device according to claim 3, wherein the ratio of the maximum horizontal sectional area of the oil outflow passage to the maximum horizontal sectional area of the oil returning passage is 10 to 1000. 5. The oil deterioration prevention device according to claim 2, wherein the filtering unit and the deterioration prevention unit are provided to separate internal space of the housing into an upstream space continuous with the oil inflow passage, and a downstream space continuous with the oil outflow passage. 6. The oil deterioration prevention device according to claim 5, wherein the deterioration prevention unit includes a containing case that contains the deterioration prevention agent, and the containing case is provided with an inflow port open to the upstream space and an outflow port open to the downstream space. 7. The oil deterioration prevention device according to claim 6, wherein the filtering unit and the deterioration prevention unit are cylindrically shaped and axially arranged in the housing, the containing case has a cylindrical inner wall and a cylindrical outer wall, and a bottom wall coupling an end of the cylindrical inner wall and an end of the cylindrical outer wall, the inflow port is provided on an end of the containing case in the axial direction and open facing an end face of the cylindrical filter element, and the outflow port is provided on another end of the containing case in the axial direction.

이 특허에 인용된 특허 (42)

Merritt, Steven J.; Brown, Gene W.; Roush, Allan; Beard, John H., Acid neutralizing filter canister.
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Haberkamp,William C.; Stehouwer,David M.; Verdegan,Barry M., Acid-neutralizing filter media.
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Fukutomi, Ippei; Inami, Norio; Harada, Kenichi; Murakami, Motoichi; Morita, Koji; Fujiwara, Takahiko, Additive agent, oil filter and lubricating device for machine.
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Eilers,Derek; Auxter,Daniel J.; Lynch,Michael S.; Bilski,Gerard W.; Zulauf,Gary B., Additive dispensing cartridge for an oil filter, and oil filter incorporating same.
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Bilski, Gerard W., Additive dispensing device and a thermally activated additive dispensing filter having the additive dispensing device.
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Klein,Gunnar Marcel; Kolczyk,Markus; Jokschas,Guenter; Harenbrock,Michael; Kramer,Joerg, Additive dispensing filter apparatus.
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Eilers, Derek; Auxter, Daniel J.; Lynch, Michael S.; Bilski, Gerard W.; Zulauf, Gary B., Additive dispersing filter and method of making.
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Eilers,Derek; Bilski,Gerard W.; Auxter,Daniel J.; Zulauf,Gary B.; Lynch,Michael S.; Treier,Philip, Additive dispersing filter and method of making.
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Jefferies, Adrian Colin; Lamb, Gordon David, Apparatus and method for adding one or more additives to an engine lubricant.
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Beard, John H.; Roush, Allan, Combination particulate and acid-neutralizing filter.
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Beard,John H.; Roush,Allan, Combination particulate and acid-neutralizing filter.
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Beard,John H.; Roush,Allan, Combination particulate and acid-neutralizing filter.
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DeJovine James M. (Homewood IL), Compositions, apparatus and methods useful for releasing solid lubricating oil additive.
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Girondi Giorgio (Mantova ITX), Disposable oil filter unit with triple filtration.
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Helmut Luka DE, Dual filter.
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Cudaback Roger L. (Gibbon NE) Jorgenson Kenton L. (Kearney NE), Dual flow and dual stage lubricant filter assembly.
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Merritt,Steven J.; Brown,Gene W., Environmentally friendly acid neutralizing cartridge.
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Merritt,Steven J.; Brown,Gene W., Environmentally friendly acid neutralizing full flow cartridge.
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Dahm Wolfram (Raidwangen DT) Lederhaas Josef (Denkendorf DT) Merkle Roland (Stuttgart DT) Lutz Horst (Stuttgart DT) Moser Peter (Weinstadt-Beutelsbach DT) Noltemeyer Friedrich (Hohenacker DT) Roger H, Filter for cleaning lubricating oil in internal combustion engines.
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Jewell James E. (Centerport NY) Koslow Evan E. (Westport CT), Filtering apparatus.
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Martin, Harold R.; True-Dahl, Abby; Loftis, Ted S.; Bagci, Ismail C.; Abdalla, Wassem; Johnson, Mark J.; Verdegan, Barry M.; Herman, Peter K., Filtration device with releasable additive.
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Medley ; III Frank W. (45 E. 10th St. Cookesville TN 38501), Fluid filter having separable elements.
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Medley ; III Frank W. (45 East 18th St. Cookeville TN 38501), Fluid filter having separable elements and removable end closures.
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Janik Leon P. (Suffield CT) Maxwell M. Craig (Colchester CT), Fuel filter.
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Janik Leon P. (Suffield CT) Maxwell M. Craig (Colchester CT), Fuel filter and cartridge assembly.
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Harris, Robert S., Fuel-water separator.
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Janik, Leon P., Key system for filter assembly.
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Hacker,John R.; Mandt,Brian; Gulsvig,Brent A., Liquid filter assembly for use with treatment agent; and, methods.
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Yamada Yoshio (101-118 Hatta ; Higashi ; Fukuoka ; Fukuoka JA) Wada Yoneji (1-1 ; Hakataekimae 2-Chome Hakata ; Fukuoka ; Fukuoka JA), Liquid filtering device.
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Conrad ; Ulrich, Lubricating oil filter with an upright filter pot.
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Bilski Gerard Walter ; Probasco Charlie ; Voigt Robert Franklyn, Method for introducing PTFE into a spin-on oil filter.
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Brownawell Darrell W. (Scotch Plains NJ) Ladwig Paul K. (Randolph NJ), Method for rejuvenating lubricating oils.
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Ronald Paul Rohrbach ; Gordon William Jones ; Peter D. Unger ; Daniel E. Bause ; Lixin L. Xue ; Russell A. Dondero, Multi-stage fluid filter, and methods of making and using same.
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Saito, Yasuhiro; Morishita, Hideto; Fukutomi, Ippei; Murakami, Motoichi; Miyasaka, Katsuichi; Hiyoshi, Masatoshi; Morita, Koji, Oil deterioration prevention device.
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Lefebvre Byron (Ft. Lauderdale FL), Oil filter containing an oil soluble thermoplastic additive material therein.
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Bilski Gerard Walter ; Probasco Charlie ; Voigt Robert Franklyn, Oil filter to introduce anti-wear additives into engine lubricating system.
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Shaltz Gregory P. (Longmont CO) Armas Joaquin P. (Longmont CO), Two-stage fluid filter.
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Baird,Michael T., Water purification system utilizing a carbon block pre-filter.
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