GREASE COMPOSITION FOR BALL TYPE CONSTANT VELOCITY JOINT AND BALL TYPE CONSTANT VELOCITY JOINT

PROBLEM TO BE SOLVED: To provide a grease composition used for ball type constant velocity joints and having excellent durability, and to provide a ball type constant velocity joint. SOLUTION: This grease composition comprises the following components. (a) A base oil. (b) A diurea-based thickener re...

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Hauptverfasser:	TAKIZAWA TAKASHI, HOJO SEIJI, OSAWA HISAYUKI, KUWABARA HIROBUMI, OE KENJI, KASHIWAGI TAKESHI, OWAKI TOMONORI, OKANIWA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CHEMISTRY CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a grease composition used for ball type constant velocity joints and having excellent durability, and to provide a ball type constant velocity joint. SOLUTION: This grease composition comprises the following components. (a) A base oil. (b) A diurea-based thickener represented by the formula: R1-NH-CO-NH-C6H4-p-NH-CO-NH-R2(R1and R2are each an 8C alkyl). (c) Molybdenum disulfide. (d) A molybdenum dialkyldithiocarbamate sulfide represented by the formula: (R3R4N-CS-S)2-Mo2OmSn[R3and R4are each independently a 1 to 24C alkyl; (m) is 0 to 3: (n) is 4 to 1; (m)+(n)=4]. (e) A calcium petroleum sulfonate. (f) A sulfur-phosphorus-based extreme-pressure agent in an amount of 1.5 to 10 mass% based on the composition. (g) A vegetable fat or fatty oil. COPYRIGHT: (C)2006,JPO&NCIPI