Power steering fluid
    6.
    发明申请
    Power steering fluid 审中-公开
    动力转向液

    公开(公告)号:US20090005275A1

    公开(公告)日:2009-01-01

    申请号:US11819726

    申请日:2007-06-28

    IPC分类号: C10M169/04

    摘要: Provided are power steering fluids made from a waxy feed and with improved low temperature properties, such as, for example, a viscosity index of greater than 290 and a Brookfield Viscosity at −40° C. of less than 1900 mPa·s. In an embodiment, the power steering fluid comprises greater than 50 weight % base oil, viscosity index improver, and less than about 1.0 weight % pour point depressant.

    摘要翻译: 提供了由蜡质原料制成的动力转向液体,并具有改善的低温性能,例如大于290的粘度指数和低于1900mPa.s的-40°C下的Brookfield粘度。 在一个实施方案中,动力转向流体包含大于50重量%的基础油,粘度指数改进剂和小于约1.0重量%的倾点下降剂。