Invention Grant
- Patent Title: Transmission oil composition for automobile
- Patent Title (中): 汽车变速箱油组成
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Application No.: US12980628Application Date: 2010-12-29
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Publication No.: US08901052B2Publication Date: 2014-12-02
- Inventor: Takumaru Sagawa , Takafumi Ueno , Hisayuki Wada , Tooru Aoki
- Applicant: Takumaru Sagawa , Takafumi Ueno , Hisayuki Wada , Tooru Aoki
- Applicant Address: JP Yokohama-shi JP Tokyo
- Assignee: Nissan Motor Co., Ltd.,Nippon Oil Corporation
- Current Assignee: Nissan Motor Co., Ltd.,Nippon Oil Corporation
- Current Assignee Address: JP Yokohama-shi JP Tokyo
- Agent Jason D. Voight
- Priority: JPP2001-158678 20010528
- Main IPC: C10M137/04
- IPC: C10M137/04 ; C10M137/10 ; C10M133/16 ; C10M167/00 ; C10M169/04
Abstract:
A transmission oil composition for an automobile characterized in that it contains a base oil selected from the group consisting of a mineral oil, a synthetic oil and mixtures thereof; and a phosphate compound selected from the group consisting of (A) a zinc dithiophosphate having a hydrocarbon group, (B) a triaryl phosphate (C) a triaryl thiophosphate, and mixtures thereof at 0.1 to 15.0% by mass with respect to the total composition; wherein the composition has a volume resistivity of 1×107 ohm·m or more at 80° C.
Public/Granted literature
- US20110092402A1 TRANSMISSION OIL COMPOSITION FOR AUTOMOBILE Public/Granted day:2011-04-21
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