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18 条记录 (耗时 0.016 秒)

    MEASUREMENT AND CONTROL OF ENTRAINED AIR AND FOAM IN METALWORKING FLUIDS
    7.
    发明公开
    MEASUREMENT AND CONTROL OF ENTRAINED AIR AND FOAM IN METALWORKING FLUIDS 审中-公开

    公开(公告)号：US20230358722A1

    公开(公告)日：2023-11-09

    申请号：US18327970

    申请日：2023-06-02

    申请人： QUAKER CHEMICAL CORPORATION

    发明人： John BURKE ,  Alan CROSS

    IPC分类号： G01N33/28 ,  G01N7/14

    CPC分类号： G01N33/2841 ,  G01N7/14 ,  G01N33/2894

    摘要： Systems and methods for measuring air withing a fluid and for mitigating damage to a metalworking tool are disclosed. A system for measuring air within a fluid includes a fluid path having a first end and a second end; a first valve having an open position and a closed position, wherein fluid can pass through the first valve in the open position and fluid is prevented from passing through the first valve in the closed position; a first sensor located between the first valve and the second end; and a second sensor located between the first sensor and the second end, wherein the second end is higher than the first end.

    Systems and Methods for Removing Micro-Particles from a Metalworking Fluid
    10.
    发明公开
    Systems and Methods for Removing Micro-Particles from a Metalworking Fluid 审中-公开

    公开(公告)号：US20230348811A1

    公开(公告)日：2023-11-02

    申请号：US17733144

    申请日：2022-04-29

    申请人： Quaker Chemical Corporation

    发明人： John Michael BURKE

    IPC分类号： C10M177/00 ,  C10M173/00 ,  B03D1/14 ,  B03D1/24

    CPC分类号： C10M177/00 ,  C10M173/00 ,  B03D1/1431 ,  B03D1/1456 ,  B03D1/247 ,  C10M2201/02 ,  C10M2203/003 ,  C10N2040/245

    摘要： A method of removing metal particles from a contaminated metalworking fluid comprising emulsion droplets and metal particles includes pressurizing a first clean metalworking fluid with gas to provide an aerated metalworking fluid; releasing the pressure of the aerated metalworking fluid to form a plurality of bubbles; applying a shear force to the contaminated metalworking fluid to separate the emulsion droplets from the metal particles; flowing the contaminated metalworking fluid with the aerated metalworking fluid in a laminar flow to form a combined fluid, wherein the flowing occurs during the formation of the plurality of bubbles and while the emulsion droplets are separated from the metal particles, and wherein the laminar flow lasts for a time sufficient for the plurality of bubbles to attach to the metal particles; releasing the combined fluid into a flotation tank; and removing the metal particles to form a second clean metalworking fluid.