Abstract: A vehicle-body front structure includes a pair of left and right side frames which extend from a front-side battery frame toward vehicle front to be positioned on vehicle-width-direction outer sides, a contactless charger between the left and right side frames, and a cross member between the left and right side frames. The contactless charger has a cross member housing configured to house the cross member.

Abstract: An object of the present invention is to provide a lubricant base oil for power transmission (in particular, a lubricant base oil for traction drives) having a high traction coefficient and a high flash point. The present invention relates to a lubricant base oil for power transmission comprising an alicyclic dicarboxylic acid diester compound represented by general formula (1): wherein R1 to R5 are the same or different, and each represents hydrogen or linear or branched C1-4 alkyl, and two R1, two R2, two R3, two R4, and two R5 may respectively be the same or different; and ring A is wherein R represents C1-3 alkyl, and n represents 0, 1, or 2; when n represents 2, R may be the same or different.

Abstract: An object of the present invention is to provide a lubricant base oil for power transmission (in particular, a lubricant base oil for traction drives) having a high traction coefficient and a high flash point. The present invention relates to a lubricant base oil for power transmission comprising an alicyclic dicarboxylic acid diester compound represented by general formula (1): wherein R1 to R5 are the same or different, and each represents hydrogen or linear or branched C1-4 alkyl, and two R1, two R2, two R3, two R4, and two R5 may respectively be the same or different; and ring A is wherein R represents C1-3 alkyl, and n represents 0, 1, or 2; when n represents 2, R may be the same or different.

Abstract: An object of this invention is to provide a lubricating base oil that has a small rate of change in viscosity (a high viscosity index) over a wide temperature range, low viscosity at low temperatures, and good low-temperature fluidity and evaporation resistance, and that allows reduced decomposition thereof. To achieve the object, methylpentanediol diesters obtained by using specific aliphatic monocarboxylic acids are used as a lubricating base oil.

Abstract: An object of this invention is to provide a lubricating base oil that has a small rate of change in viscosity (a high viscosity index) over a wide temperature range, low viscosity at low temperatures, and good low-temperature fluidity and evaporation resistance, and that allows reduced decomposition thereof. To achieve the object, methylpentanediol diesters obtained by using specific aliphatic monocarboxylic acids are used as a lubricating base oil.

Abstract: Disclosed herein is a lubricating oil for bearings comprising (a) a diester represented by General Formula (1) wherein R1 and R2 are the same or different, and each represents a C3-C17 linear alkyl group; A represents a C2-C10 linear alkylene group or A represents a branched alkylene group consisting of a linear alkylene group, the linear alkylene group being the principal chain, and one or more alkyl groups (branches) bonded to the linear alkylene group, wherein the total number of carbon atoms of the linear alkylene group and the one or more alkyl groups is 3 to 10; with the proviso that when A is a branched alkylene group and has two or more alkyl groups, the two or more alkyl groups are not bonded to the same carbon atom; or a mixture of the diester with an additional base oil and (b) at least one member selected from the group consisting of phenol-based antioxidants and amine-based antioxidants, and optionally containing (c) at least one member selected from the group consisting of Phosphorus-based

Abstract: A diester represented by the formula wherein A represents a cyclohexane ring, cyclohexene ring or benzene ring, X is H or methyl group, RX and RY are the same or different and each is C3-C18 branched-chain alkyl group, C1-C18 straight-chain alkyl group, C2-C18 straight-chain alkenyl or C3-C18 cycloalkyl, provided that when A is a benzene ring, RX and RY are different from each other and —COORX and —COORY are attached to two adjacent carbon atoms of the benzene ring, and having the following properties: 1) a total acid number of 0.05 mgKOH/g or less, 2) a sulfated ash content of 10 ppm or less, 3) a sulfur content of 20 ppm or less, 4) a phosphorus content of 20 ppm or less, 5) a peroxide value of 1.0 meq/kg or less, 6) a carbonyl value of 10 or less; 7) a volume resistivity of 1×1011 ?·cm or more, 8) a hydroxyl value of 3 mgKOH/g or less, and 9) a water content of 100 ppm or less, a process for preparing the same and a refrigerator lubricating oil comprising the diester.

Abstract: A diester represented by the formula wherein A represents a cyclohexane ring, cyclohexene ring or benzene ring, X is H or methyl group, RX and RY are the same or different and each is C3-C18 branched-chain alkyl group, C1-C18 straight-chain alkyl group, C2-C18 straight-chain alkenyl or C3-C10 cycloalkyl, provided that when A is a benzene ring, RX and RY are different from each other and —COORX and —COORY are attached to two adjacent carbon atoms of the benzene ring, and having the following properties: 1) a total acid number of 0.05 mgKOH/g or less, 2) a sulfated ash content of 10 ppm or less, 3) a sulfur content of 20 ppm or less, 4) a phosphorus content of 20 ppm or less, 5) a peroxide value of 1.0 meq/kg or less, 6) a carbonyl value of 10 or less; 7) a volume resistivity of 1×1011?·cm or more, 8) a hydroxyl value of 3 mgKOH/g or less, and 9) a water content of 100 ppm or less, a process for preparing the same and a refrigerator lubricating oil comprising the diester.

Abstract: Disclosed herein is a lubricating oil for bearings comprising (a) a diester represented by General Formula (1) wherein R1 and R2 are the same or different, and each represents a C3-C17 linear alkyl group; A represents a C2-C10 linear alkylene group or A represents a branched alkylene group consisting of a linear alkylene group, the linear alkylene group being the principal chain, and one or more alkyl groups (branches) bonded to the linear alkylene group, wherein the total number of carbon atoms of the linear alkylene group and the one or more alkyl groups is 3 to 10; with the proviso that when A is a branched alkylene group and has two or more alkyl groups, the two or more alkyl groups are not bonded to the same carbon atom; or a mixture of the diester with an additional base oil and (b) at least one member selected from the group consisting of phenol-based antioxidants and amine-based antioxidants, and optionally containing (c) at least one member selected from the group consisting of phosphorus-based

Abstract: A diester represented by the formula wherein A represents a cyclohexane ring, cyclohexene ring or benzene ring, X is H or methyl group, RX and RY are the same or different and each is C3-C18 branched-chain alkyl group, C1-C18 straight-chain alkyl group, C2-C18 straight-chain alkenyl or C3-C18 cycloalkyl, provided that when A is a benzene ring, RX and RY are different from each other and —COORX and —COORY are attached to two adjacent carbon atoms of the benzene ring, and having the following properties: 1) a total acid number of 0.05 mgKOH/g or less, 2) a sulfated ash content of 10 ppm or less, 3) a sulfur content of 20 ppm or less, 4) a phosphorus content of 20 ppm or less, 5) a peroxide value of 1.0 meq/kg or less, 6) a carbonyl value of 10 or less; 7) a volume resistivity of 1×1011 ?·cm or more, 8) a hydroxyl value of 3 mgKOH/g or less, and 9) a water content of 100 ppm or less, a process for preparing the same and a refrigerator lubricating oil comprising the diester.

Abstract: The invention provides a lubricating oil for refrigerators, comprising (a) at least one ester represented by the formula (1) wherein R1 is C1 to C18 straight-chain alkyl or C3 to C18 branched-chain alkyl; R2 is H, C1 to C18 straight-chain alkyl or C3 to C18 branched-chain alkyl; with the proviso that the total number of carbons contained in the alkyls represented by R1 and R2 is 2 to 18 and that when R2 is H, R1 is branched-chain alkyl; and R3 is C1 to C20 straight-chain alkyl, C3 to C20 branched-chain alkyl or C3 to C10 cycloalkyl, optionally in combination with (b) at least one member selected from the group consisting of fatty acid polyol esters, phthalic acid esters, alicyclic dicarboxylic acid esters, polyvinyl ethers, hydrocarbon oils and polyalkylene glycols; as well as a method for lubricating a refrigerator using such a lubricating oil, and a working fluid composition for refrigerators comprising (I) component (a) or components (a) and (b) and (II) a refrigerant.

Abstract: With an introducing catheter (A) accommodated by a diagnostic-therapeutic catheter (B), the necessity of a sheath is eliminated to render the diagnostic-therapeutic catheter (B) as large as the sheath. This enables a manipulator to fully treat a patient with the use of diagnostic-therapeutic catheter (E). With the elimination of the sheath, the diagnostic-therapeutic catheter (B) is directly inserted into tubular human organs (e.g., radial artery and brachial artery). Coaxially provided are inner and outer tubes 12, 13 with the diagnostic-therapeutic catheter (B) to have an annular space 14, at least a part of which forms a drug-releasable open end 15 exposed to a shaft portion 11. The outer tube 13 has a plurality of drug-releasable side holes 9 to release an anti-spasmodic drug toward a blood vessel through the drug-releasable open end 15.

Abstract: Disclosed are a crystalline polypropylene resin composition comprising a crystalline polyproplylene resin and a &bgr;-nucleating agent, and a method of increasing the proportion of &bgr;-form crystals in a crystalline polypropylene resin molding comprising molding the composition, the &bgr;-nucleating agent being a diamide compound.