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1. WO2006095809 - GREASE COMPOSITION AND GREASE SEALED ROLLING BEARING

Publication Number WO/2006/095809
Publication Date 14.09.2006
International Application No. PCT/JP2006/304581
International Filing Date 09.03.2006
IPC
C10M 115/08 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
115Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof
08containing nitrogen
C10M 105/04 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
105Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
02Well-defined hydrocarbons
04aliphatic
C10M 107/02 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
107Lubricating compositions characterised by the base-material being a macromolecular compound
02Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
C10M 137/10 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
137Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
02having no phosphorus-to-carbon bond
04Phosphate esters
10Thio derivatives
C10M 145/14 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
145Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
02Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
10containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
12monocarboxylic
14Acrylate; Methacrylate
F16C 33/66 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
33Parts of bearings; Special methods for making bearings or parts thereof
30Parts of ball or roller bearings
66Special parts or details in view of lubrication
CPC
C10M 169/06
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS
169Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
06Mixtures of thickeners and additives
C10M 2205/0206
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS
2205Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
02containing acyclic monomers
0206used as base material
C10M 2207/2805
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS
2207Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
28Esters
2805used as base material
C10M 2215/1026
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS
2215Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
10Amides of carbonic or haloformic acids
102Ureas; Semicarbazides; Allophanates
1026used as thickening material
C10M 2223/045
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS
2223Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
02having no phosphorus-to-carbon bonds
04Phosphate esters
045Metal containing thio derivatives
C10N 2010/04
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
2010Metal present as such or in compounds
04Group 2
Applicants
  • NTN株式会社 NTN CORPORATION [JP]/[JP] (AllExceptUS)
  • 川村 隆之 KAWAMURA, Takayuki (UsOnly)
Inventors
  • 川村 隆之 KAWAMURA, Takayuki
Agents
  • 和気 操 WAKI, Misao
Priority Data
2005-06860311.03.2005JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) GREASE COMPOSITION AND GREASE SEALED ROLLING BEARING
(FR) COMPOSITION DE GRAISSE ET ROULEMENT SCELLE A LA GRAISSE
(JA) グリース組成物およびグリース封入転がり軸受
Abstract
(EN)
This invention provides a grease composition and a grease sealed rolling bearing that can reliably prevent the occurrence of cold abnormal noises in a cold season and has high-temperature durability. The grease composition comprises a base oil and a thickening agent. The thickening agent is characterized by comprising a urea compound represented by formula (1). (1) wherein R1 and R3, which may be the same or different, represent a monovalent aliphatic hydrocarbon group having 1 to 7 carbon atoms; and R2 represents a divalent aromatic hydrocarbon group having 6 to 12 carbon atoms. A grease sealed rolling bearing (1) comprises an inner ring (2), an outer ring (3), and a rolling element (4) interposed between the inner ring (2) and the outer ring (3). The above grease composition is sealed in the periphery of the rolling element (4). The grease sealed rolling bearing (1) is used in an automotive electric auxiliary equipment.
(FR)
L’invention présente une composition de graisse et un roulement scellé à la graisse qui peut empêcher de manière fiable l’apparition de bruits anormaux à froid à basses températures et qui présente une résistance aux hautes températures. La composition de graisse comporte une huile de base et un agent épaississant. L’agent épaississant est caractérisé par le fait qu’il contient un composé d’urée représenté par la formule (1). (1) où R1 et R3, qui peuvent être semblables ou différents, représentent un groupe hydrocarbone monovalent aliphatique avec entre 1 et 7 atomes de carbone ; et R2 représente un groupe hydrocarbone divalent aromatique avec entre 6 et 12 atomes de carbone. Le roulement scellé à la graisse (1) comporte un anneau interne (2), un anneau externe (3), et un élément roulant (4) placé entre l’anneau interne (2) et l’anneau externe (3). La composition de graisse ci-dessus est scellée sur la périphérie de l’élément roulant (4). Le roulement scellé à la graisse (1) est utilisé dans un équipement auxiliaire électrique de véhicule.
(JA)
not available
Also published as
EP6715452
Latest bibliographic data on file with the International Bureau