Controlled release of perfluoropolyether antifoam additives from compounded rubber
    5.
    发明授权
    Controlled release of perfluoropolyether antifoam additives from compounded rubber 失效
    从复合橡胶控制释放全氟聚醚消泡剂

    公开(公告)号:US07163482B2

    公开(公告)日:2007-01-16

    申请号:US10930325

    申请日:2004-08-31

    Abstract: Antifoam compositions for functional fluids contain antifoam agents comprising perfluoropolyether compounds (PFPE). An automatic transmission fluid is provided containing the antifoam composition in a lubricating base oil, along with conventional additives such as antiwear agents. Automobile transmissions are provided that contain an automatic transmission fluid containing the new antifoam compositions. In a further embodiment, methods are provided for reducing foam in an engine oil or unwanted noise in an automobile transmission during operation, comprising lubricating the engine or transmission with a lubricating fluid containing the antifoam compositions of the invention.

    Abstract translation: 用于功能流体的消泡剂组合物含有包含全氟聚醚化合物(PFPE)的消泡剂。 在润滑油基础油中含有消泡剂组合物的自动变速器油以及诸如抗磨剂的常规添加剂。 提供包含含有新的消泡剂组合物的自动变速器流体的汽车变速器。 在另一实施例中,提供了用于在运行期间减少发动机机油中的泡沫或汽车变速箱中的不需要的噪声的方法,包括用含有本发明的消泡剂组合物的润滑流体润滑发动机或变速器。

    Thermally stable antifoam agent for use in automatic transmission fluids
    6.
    发明授权
    Thermally stable antifoam agent for use in automatic transmission fluids 失效
    用于自动变速箱油的热稳定性消泡剂

    公开(公告)号:US07098173B2

    公开(公告)日:2006-08-29

    申请号:US10299595

    申请日:2002-11-19

    CPC classification number: C10M147/00 C10M2213/06 C10N2230/18 C10N2240/042

    Abstract: Antifoam compositions for automatic transmission fluids contain antifoam agents comprising perfluoropolyether compounds (PFPE). An automatic transmission fluid is provided containing the antifoam composition in a lubricating base oil, along with conventional additives such as antiwear agents. Automobile transmissions are provided that contain an automatic transmission fluid containing the new antifoam compositions. In a further embodiment, methods are provided for reducing unwanted noise in an automobile transmission during operation, comprising lubricating the transmission with an ATF containing the antifoam compositions of the invention.

    Abstract translation: 用于自动变速器油的消泡剂组合物含有包含全氟聚醚化合物(PFPE)的消泡剂。 在润滑油基础油中含有消泡剂组合物的自动变速器油以及诸如抗磨剂的常规添加剂。 提供包含含有新的消泡剂组合物的自动变速器流体的汽车变速器。 在另一个实施例中,提供了用于在运行期间减少汽车变速箱中不期望的噪音的方法,包括用含有本发明的消泡剂组合物的ATF润滑变速器。

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