Title:
高速ギヤ用潤滑油組成物
Document Type and Number:
Japanese Patent JP3510630
Kind Code:
B2
Abstract:
PCT No. PCT/JP94/01662 Sec. 371 Date Mar. 28, 1996 Sec. 102(e) Date Mar. 28, 1996 PCT Filed Oct. 5, 1994 PCT Pub. No. WO95/09904 PCT Pub. Date Apr. 13, 1995A lubricating oil composition for a high-speed gear particularly having a peripheral speed of 10 m/sec or more is herein disclosed which is obtained by blending a base oil having a % CA of 5 or less and preferably further having a nitrogen content of 50 ppm or less and a sulfur content of 50 ppm or less with a sulfur additive, a phosphorus additive and a nitrogen additive so that an element ratio 100N/(S+P) in the composition may be in the range of 4 to 10 by weight, and the lubricating oil composition has a sufficient hypoid gear performance, can inhibit the formation of a sludge, and permits the prolongation of the life of an oil seal for use in a high-speed and/or a high-temperature rotating portion.
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Inventors:
市橋 俊彦
Application Number:
JP51072495A
Publication Date:
March 29, 2004
Filing Date:
October 05, 1994
Export Citation:
Assignee:
出光興産株式会社
International Classes:
C10M141/10; C10M169/04; C10M171/02; (IPC1-7): C10M141/12; C10M169/04
Attorney, Agent or Firm:
大谷 保