US 10,369,498 B2Granted

Oil deterioration suppressing apparatus

AssigneeToyota Boshoku Kabushiki Kaisha

InventorsHideto Morishita, Yasuhiro Saito, Ippei Fukutomi, Motoichi Murakami, Katsuichi Miyasaka, Yasuhiro Ohmiya, Hiroshi Moritani, Mamoru Tohyama, Narihito Tatsuda

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Abstract

An oil deterioration suppressing apparatus is provided. The apparatus may include a filtering portion including a filter element for filtering oil, and a deterioration suppressing portion including a powdery deterioration retarder which suppresses deterioration of oil. The deterioration suppressing portion may include a flow passage wall which holds the powdery deterioration retarder and defines an oil flow passage, and the powdery deterioration retarder includes mesoporous inorganic material.

Claims25

Dependent claims

An oil deterioration suppressing apparatus, comprising:

a filtering portion including a filter element for filtering oil;
a deterioration suppressing portion including a powdery deterioration retarder, which suppresses deterioration of the oil;
and
a housing having an interior space in which both the deterioration suppressing portion and the filtering portion are accommodated along an axial direction thereof, wherein
an upper end edge of the filtering portion is spaced from a lower end edge of the deterioration suppressing portion in an axial direction of the oil deterioration suppressing apparatus,
the deterioration suppressing portion includes flow passage walls which hold the powdery deterioration retarder and define oil flow passages such that the oil passes through gaps between adjacent flow passage walls of the flow passage walls,
the flow passage walls are arranged in the deterioration suppressing portion in one of a spiral or concentric manner,
the flow passage walls are porous layers made by nonwoven fabric and have a void ratio between 0.8 and 0.99 such that the powdery deterioration retarder is dispersed and maintained in the flow passage walls,
the powdery deterioration retarder includes a mesoporous inorganic material,
an average pore diameter of the mesoporous inorganic material is 1 to 30 nm, a pore capacity of the mesoporous inorganic material is 0.3 to 4.0 cm3/g, and a specific surface of the mesoporous inorganic material is 120 to 2000 m2/g,
the mesoporous inorganic material is one of an indefinite mesoporous silica-based inorganic material, an activated white clay, a silica gel or an activated alumina, and
when the oil flows through the oil deterioration suppressing apparatus, the oil sequentially flows along the axial direction of the oil deterioration suppressing apparatus through the deterioration suppressing portion to the filtering portion,
wherein the housing includes a protector that includes a first support portion and a second support portion continuous in the axial direction with one end of the first support portion,
wherein the first support portion supports the filtering portion, and the second support portion supports the deterioration suppressing portion, and
wherein the protector is a unitary structure.

12 more elements

An oil deterioration suppressing apparatus, comprising:

a filtering portion including a filter element for filtering oil;
a deterioration suppressing portion including a powdery deterioration retarder, which suppresses deterioration of the oil;
and
a housing having an interior space in which both the deterioration suppressing portion and the filtering portion are accommodated along an axial direction thereof, wherein
the deterioration suppressing portion includes flow passage walls which hold the powdery deterioration retarder and define oil flow passages such that the oil passes through gaps between adjacent flow passage walls of the flow passage walls,
the flow passage walls are arranged in the deterioration suppressing portion in one of a spiral or concentric manner,
the flow passage walls are disposed above the filtering portion so as to cover an outer periphery of the filtering portion,
the flow passage walls are porous layers made by nonwoven fabric and have a void ratio between 0.8 and 0.99 such that the powdery deterioration retarder is dispersed and maintained in the flow passage walls,
the powdery deterioration retarder includes a mesoporous inorganic material,
an average pore diameter of the mesoporous inorganic material is 1 to 30 nm, a pore capacity of the mesoporous inorganic material is 0.3 to 4.0 cm3/g, and a specific surface of the mesoporous inorganic material is 120 to 2000 m2/g,
the mesoporous inorganic material is one of an indefinite mesoporous silica-based inorganic material, an activated white clay, a silica gel or an activated alumina, and
when the oil flows through the oil deterioration suppressing apparatus, the oil sequentially flows along the axial direction of the oil deterioration suppressing apparatus through the deterioration suppressing portion to the filtering portion,
wherein the housing includes a protector that includes a first support portion and a second support portion continuous in the axial direction with one end of the first support portion,
wherein the first support portion supports the filtering portion, and the second support portion supports the deterioration suppressing portion, and
wherein the protector is a unitary structure.

12 more elements

An oil deterioration suppressing apparatus, comprising:

a filtering portion including a filter element for filtering oil;
a deterioration suppressing portion including a powdery deterioration retarder, which suppresses deterioration of the oil;
and
a housing having an interior space in which both the deterioration suppressing portion and the filtering portion are accommodated along an axial direction thereof, wherein
an upper end edge of the filtering portion is spaced from a lower end edge of the deterioration suppressing portion in an axial direction of the oil deterioration suppressing apparatus,
the deterioration suppressing portion includes flow passage walls which hold the powdery deterioration retarder and define oil flow passages such that the oil passes through gaps between adjacent flow passage walls of the flow passage walls,
the flow passage walls are arranged in the deterioration suppressing portion in one of a spiral or concentric manner,
the flow passage walls are porous layers made by nonwoven fabric and have a void ratio between 0.8 and 0.99 such that the powdery deterioration retarder is dispersed and maintained in the flow passage walls,
the powdery deterioration retarder includes a mesoporous inorganic material,
an average pore diameter of the mesoporous inorganic material is 1 to 30 nm, a pore capacity of the mesoporous inorganic material is 0.3 to 4.0 cm3/g, and a specific surface of the mesoporous inorganic material is 120 to 2000 m2/g,
the mesoporous inorganic material is one of an indefinite mesoporous silica-based inorganic material, an activated white clay, a silica gel or an activated alumina, and
when the oil flows through the oil deterioration suppressing apparatus, the oil sequentially flows along the axial direction of the oil deterioration suppressing apparatus through the deterioration suppressing portion to the filtering portion,
wherein the housing includes a protector that includes a first support portion and a second support portion continuous in the axial direction with one end of the first support portion,
wherein the first support portion supports the filtering portion, and the second support portion supports a second filtering portion, and
wherein the protector is a unitary structure.

12 more elements

An oil deterioration suppressing apparatus, comprising:

a filtering portion including a filter element for filtering oil;
a deterioration suppressing portion including a powdery deterioration retarder, which suppresses deterioration of the oil;
and
a housing having an interior space in which both the deterioration suppressing portion and the filtering portion are accommodated along an axial direction thereof, wherein
the deterioration suppressing portion includes flow passage walls which hold the powdery deterioration retarder and define oil flow passages such that the oil passes through gaps between adjacent flow passage walls of the flow passage walls,
the flow passage walls are arranged in the deterioration suppressing portion in one of a spiral or concentric manner,
the flow passage walls are disposed above the filtering portion so as to cover an outer periphery of the filtering portion,
the flow passage walls are porous layers made by nonwoven fabric and have a void ratio between 0.8 and 0.99 such that the powdery deterioration retarder is dispersed and maintained in the flow passage walls,
the powdery deterioration retarder includes a mesoporous inorganic material,
an average pore diameter of the mesoporous inorganic material is 1 to 30 nm, a pore capacity of the mesoporous inorganic material is 0.3 to 4.0 cm3/g, and a specific surface of the mesoporous inorganic material is 120 to 2000 m2/g,
the mesoporous inorganic material is one of an indefinite mesoporous silica-based inorganic material, an activated white clay, a silica gel or an activated alumina, and
when the oil flows through the oil deterioration suppressing apparatus, the oil sequentially flows along the axial direction of the oil deterioration suppressing apparatus through the deterioration suppressing portion to the filtering portion,
wherein the housing includes a protector that includes a first support portion and a second support portion continuous in the axial direction with one end of the first support portion,
wherein the first support portion supports the filtering portion, and the second support portion supports a second filtering portion, and
wherein the protector is a unitary structure.

12 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/865,509Filed 18 Apr 2013
Priority: JP 2012-1062627 May 2012
Published: US 2013/0292318 A17 Nov 2013
Granted: 6 Aug 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification14 codes

B01D 24/02
Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof: with…
C10M 175/0058
Working-up used lubricants to recover useful products ; Cleaning: by filtration and centrifugation processes; apparatus therefor
C10M 175/0091
Working-up used lubricants to recover useful products ; Cleaning: treatment of oils in a continuous lubricating circuit
B01D 29/216
With corrugated, folded or wound sheets: with wound sheets

Family

US 2013/0292318 A1Pre-grant publication · published 7 Nov 2013
US 10,369,498 B2This patent

From the US filing history. Foreign family members aren’t listed.

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