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    FEEDBACK CONTROLLED AIRFOIL STRIPPING SYSTEM WITH INTEGRATEDWATER MANAGEMENT AND ACID RECYCLING SYSTEM
    62.
    发明专利
    FEEDBACK CONTROLLED AIRFOIL STRIPPING SYSTEM WITH INTEGRATEDWATER MANAGEMENT AND ACID RECYCLING SYSTEM 未知

    公开(公告)号：CA2365009A1

    公开(公告)日：2002-06-15

    申请号：CA2365009

    申请日：2001-12-12

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： JAWOROWSKI MARK R ,  KRYZMAN MICHAEL A ,  SHOVLIN CHRISTOPHER C ,  RIEWE CURTIS H ,  JANOWSKY GLENN T

    IPC: F01D5/28 ,  C25F1/00 ,  C25F5/00 ,  C25F7/00 ,  C25F7/02 ,  F02C7/00 ,  C25C7/00 ,  C25C7/06

    Abstract: The present invention relates to a feedback controlled stripping system with integrated water management and acid recycling system. The system comprises a stripping tank containing an electrolyte bath stripping solution for removing a coating from at least one workpiece immersed in the stripping solution while a controlled absolute electrical potential is maintained on the at least one workpiece with respect to a reference electrode also immersed in the stripping solution, a rinse tank for rinsing the workpiece(s) after removal of the workpiece(s) from the stripping tank, and a distillation unit for receiving electrolyte containing dissolved metals from the stripping tank, for purifying the electrolyte received from the stripping tank, and for returning the purified electrolyte to the stripping tank. In a preferred embodiment, the stripping tank, the rinse tank, and the distillation unit are mounted to a skid. The system further includes a control module. A process for using the system to remove a coating from a workpiece is also described.

    COMPOUND FOR NON-CHROMIUM CONVERSION COATINGS FOR AULMINICS ALLOYS
    63.
    发明专利
    COMPOUND FOR NON-CHROMIUM CONVERSION COATINGS FOR AULMINICS ALLOYS 未知

    公开(公告)号：HU0105377D0

    公开(公告)日：2002-02-28

    申请号：HU0105377

    申请日：2001-12-19

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： JAWOROWSKI MARK R ,  KRYZMAN MICHAEL A

    IPC: C23C22/40 ,  C23C22/05 ,  C23C22/56 ,  C23C22/66 ,  C23C22/73 ,  C23C22/78 ,  C25D

    Abstract: The present invention relates to a compound, non-chromium conversion coating for a part formed from an aluminum alloy. The coating is formed by providing a first solution containing an anodic inhibitor species, providing a second solution containing a cathodic corrosion inhibitor species, and immersing the part to be coated in a first one of the first and second solutions and thereafter in a second one of the first and second solutions. Suitable anodic inhibitor species include tungstates, permanganates, vanadates, molybdates, and mixtures thereof. Suitable cathodic corrosion inhibitors include cobalt, cerium, other lanthanide elements, and mixtures thereof. In one embodiment, the conversion coating is formed using a cerium containing solution and a tungstate containing solution.

    MULTIBLEND POWDER THERMAL SPRAYING APPARATUS
    66.
    发明专利
    MULTIBLEND POWDER THERMAL SPRAYING APPARATUS 未知

    公开(公告)号：DE3565944D1

    公开(公告)日：1988-12-08

    申请号：DE3565944

    申请日：1985-11-27

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： PACKER LOUIS LEONARD ,  BOSSHART GEORGE S ,  KUNTZ URBAN E ,  JAWOROWSKI MARK R

    IPC: B05B7/16 ,  B05B7/14 ,  B05B7/20 ,  B05B7/22 ,  B05B7/26 ,  C23C4/00 ,  G05D7/06

    Abstract: Apparatus for delivering two or more powders at any controlled ration to a thermal spray apparatus permits the controlled production of graded sprayed coatings. The apparatus also monitors and controls the position of the spray apparatus relative to the workpiece and varies this position during the deposition of the sprayed layers. The apparatus includes in-pocess mass flow gauges which measure in real time the flow rates of the various powders and report these rates to a supervisory co troller which verifies these rates against the predetermined schedule and can shut down the apparatus in the event of a malfunction. The substrate being sprayed has its substrate temperature monitored and controlled according to a predetermined schedule by a supervising controller.

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