Abstract: There is provided a grease composition for improving the chemical stability of the grease composition and increasing the fatigue life of a member in which the grease composition is used. The problems can be solved by a grease composition including a poly-?-olefin; a urea-based thickener; molybdenum dithiophosphate; and barium sulfonate, wherein a difference between an SP value of the urea-based thickener and an SP value of the poly-?-olefin is 3.5 or less.

Abstract: A grease composition including: an ester base oil; and a thickener, in which the thickener contains diurea expressed by the following formula (1): R1-NHCONH-C6H4-CH2-C6H4-NHCONH-R2 (1), in which R1 and R2 each independently represents one of: (A) an alicyclic group A expressed by R3-C6H10- (R3 represents hydrogen, a 2-methyl group, a 3-methyl group, or a 4-methyl group); (B) an alkyl group B expressed by n-CmH2m+1 (m represents an integer of 6 to 10); and (C) an alkyl group C expressed by n-CmH2m+1 (m represents an integer of 16 to 20), and in which the diurea is arranged so that the alicyclic group A is 5 to 35 mol %, a total of the alicyclic group A and the alkyl group B is 55 to 95 mol %, and the remainder is the alkyl group C, based on a total of R1 and R2.

Abstract: Provided is a grease composition containing a base oil, a thickener, and an additive. The base oil contains a poly-?-olefin and has a kinematic viscosity of 20-60 mm2/s at 40° C. The thickener contains a urea compound produced by reacting a diisocyanate compound with a mixed amine containing an alicyclic amine and an aromatic amine. The additive contains a phosphorous acid ester, an ether compound, and an oxidized paraffin.

Abstract: The present invention provides a grease composition for constant velocity joints containing a lubricating base oil, at least one thickener selected from urea-based thickeners, urethane-based thickeners and urea/urethane-based thickeners, an organomolybdenum, a zinc dithiophosphate, a polysulfide, and a triglyceride, wherein the content of the organomolybdenum is 1000-5000 ppm by mass in terms of molybdenum element based on the total amount of the grease composition. According to the grease composition, it is possible to exert sufficient characteristics even in the case of reducing the amount of the additive such as molybdenum disulfide.

Abstract: To provide a human state estimating device which accurately estimates a human state. The human state estimating device includes: a storage unit (16) which stores reference data (17) in which a human state and a reference profile including a horizontal component of a standard microsaccade in the human state are corresponded to each other, for each of plural personal attribute information; a video obtaining unit (11) which obtains video of a user's eyeball, with an eyeball rotation angle accuracy of 0.

Abstract: The present invention provides a grease composition containing at least one lubricating base oil selected from a mineral oil and a synthetic oil, and 1 to 40% by mass of a thickener and 0.5 to 15% by mass of an alkenyl succinimide based on the total amount of the grease composition, the grease composition being used for a lubricating part in which at least one of members is made of a non-ferrous metal. According to the grease composition of the present invention, galling (seizure) and wear can be sufficiently suppressed and sliding properties can be achieved at a high level even in the case where sliding is performed under extreme pressure conditions where a sliding part having a non-ferrous metal is subjected to a high load.

Abstract: A lubricant composition for ball joints exhibits excellent low friction not only at ordinary temperatures but also from higher to lower temperatures, and will not leak out of ball joints at higher temperatures. A ball joint has the lubricant composition sealed therein. The lubricant composition contains a base oil including a synthetic hydrocarbon oil, a thickener, and a fatty acid salt of a compound represented by the formula (1): R1—NH—R2—NH2??(1) (R1: hydrocarbon group of C1 to C24; R2: alkylene group of C2 to C4).

Abstract: A grease composition containing a lubricant base oil, diurea compounds represented by the following general formulas (1) to (3), and at least one species selected from the group consisting of paraffin oxides and phosphorus compounds; wherein respective contents of the diurea compounds represented by the following general formulas (1) to (3) satisfy conditions defined by the following expressions (4) and (5); and wherein the total content of the paraffin oxides and phosphorus compounds is 0.1 to 15 mass % based on the total amount of the grease composition: where R1 is a hydrocarbon group containing an aromatic ring, R2 is a divalent hydrocarbon group, and R3 is a hydrocarbon group containing an aliphatic ring; 5?W1+W2+W3?30??(4) 0.3?(W1+0.5×W2)/(W1+W2+W3)?0.7??(5) where W1, W2, and W3 are respective contents (mass %) of the diurea compounds represented by general formulas (1) to (3) based on the total amount of the grease composition.

Abstract: When an electronic book is activated, a video image obtaining section starts taking face images of a user. Next, an analysis section analyzes the face images of the user taken by the video image obtaining section, thereby inferring a physiological condition of a user. Then, a display control section adjusts, in units of predetermined time periods, a display state of a screen, such as brightness and contrast, in accordance with the physiological condition.

Abstract: A lubricant composition for ball joints exhibits excellent low friction not only at ordinary temperatures but also from higher to lower temperatures, and will not leak out of ball joints at higher temperatures. A ball joint has the lubricant composition sealed therein. The lubricant composition contains a base oil including a synthetic hydrocarbon oil, a thickener, and a fatty acid salt of a compound represented by the formula (1): R1—NH—R2—NH2??(1) (R1: hydrocarbon group of C1 to C24; R2: alkylene group of C2 to C4).

Abstract: To provide a human state estimating device which accurately estimates a human state. The human state estimating device includes: a storage unit (16) which stores reference data (17) in which a human state and a reference profile including a horizontal component of a standard microsaccade in the human state are corresponded to each other, for each of plural personal attribute information; a video obtaining unit (11) which obtains video of a user's eyeball, with an eyeball rotation angle accuracy of 0.

Abstract: An object of the present invention is to provide a track ball device capable of storing information in a ball. In a track ball device 1, a ball section 12 has embedded therein at least one non-contact IC chip capable of storing various types of information. In a case 19 of the track ball device 1, at least one reader 21 is provided. The reader 21 communicates with the non-contact IC chip 17 and reads information stored therein.

Abstract: A navigation system for providing different modes of navigation guidance to drivers is provided. A smart card stores user information. In a main apparatus, a parameter table storage section stores parameters which are used for controlling the outputting of navigation guidance to an entity. A control section acquires at least one parameter from the parameter table storage section based on the user information stored in the smart card, and thereafter generates information necessary for providing navigation guidance for the entity in accordance with the acquired parameter(s). A display section or an audio output section outputs various information generated by the control section.

Abstract: A grease composition to be encapsulated in a boot made from TPC for use in a tripot type constant velocity joint having a base oil, a thickener of a urea based compound, a solid molybdenum dithiocarbamate and an alkali metal borate hydrate, wherein the liquid component in the grease composition has a sulfur content of 0.6 mass % or less relative to the total amount of the liquid component.

Abstract: When an electronic book 1 is activated, a video image obtaining section 2 starts taking face images of a user. Next, an analysis section 4 analyzes the face images of the user taken by the video image obtaining section 2, thereby inferring a physiological condition of a user. Then, a display control section 5 adjusts, in units of predetermined time periods, a display state of a screen 6 such as brightness and contrast in accordance with the physiological condition.

Abstract: The present invention provides a grease composition for a one-way clutch that can achieve low-temperature engageability, anti-wear properties, and high-temperature prolonged working life in a high level and well-balanced manner. The grease composition comprises a synthetic oil with a last non-seizure load of 314 N or less, as determined by Four-Ball Extreme Pressure Test according to ASTM D2596 and a pour point of ?35° C. or lower and a thickner.

Abstract: A lubricant composition for ball joints exhibits excellent low friction not only at ordinary temperatures but also from higher to lower temperatures, and will not leak out of ball joints at higher temperatures. A ball joint has the lubricant composition sealed therein. The lubricant composition contains a base oil including a synthetic hydrocarbon oil, a thickener, and a fatty acid salt of a compound represented by the formula (1): R1—NH—R2—NH2??(1) (R1: hydrocarbon group of C1 to C24; R2: alkylene group of C2 to C4).

Abstract: In a position estimation apparatus, an information acquisition/storage section 3 acquires, when a receiver 1 can track an artificial satellite, a current position obtained from the receiver 1 and an output value from each of pressure sensors 2R and 2L, and then stores at least a travel speed and a travel direction for a user and the obtained output value. Also, when the receiver 1 cannot track the artificial satellite, a locator 4 in the position estimation apparatus retrieves, from the information acquisition/storage section 3, a travel speed and a travel direction of the user based on the output value acquired from each of the sensors 2R and 2L and the output value stored in the information acquisition/storage section 3. Thereafter, the locator 4 estimates a current position of the user based on the retrieved travel speed and travel direction.

Abstract: The grease composition of the present invention contains, in a lubricant base oil, 0.01 to 10% by mass of a fatty acid salt, 0.01 to 10% by mass of carbonate, 2 to 30% by mass of a thickener, and 0.1 to 20% by mass of a sulfur type extreme-pressure agent on the basis of the total amount of composition.

Abstract: The grease composition for constant velocity joints of the invention is characterized by comprising a lubricating base oil, a thickener, carbon black with a mean particle size of not greater than 500 nm, and an organic molybdenum compound. A grease composition for constant velocity joints according to the invention can achieve a highly satisfactory balance between anti-flaking, anti-seizure and anti-wear without using lead compounds, and can sufficiently maintain these properties with long-term use.