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    COATING REMOVAL SYSTEM AND METHOD FOR REGENERATING ELECTROCHEMICAL BATH
    1.
    发明专利
    COATING REMOVAL SYSTEM AND METHOD FOR REGENERATING ELECTROCHEMICAL BATH 审中-公开

    公开(公告)号：JP2002242000A

    公开(公告)日：2002-08-28

    申请号：JP2001383665

    申请日：2001-12-17

    Applicant: UNITED TECHNOLOGIES CORP

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

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

    Abstract: PROBLEM TO BE SOLVED: To provide a feed back control system in which a water control system or the like are integrated, and which is usable for the removal of coatings from various works. SOLUTION: The coating removal system 10 has a stripping tank 12 in which an electrolytic solution bath stripping solution for removing a coating of at least one work 33 dipped into an electrolytic solution bath is stored, and further, an absolute potential is controlled in the at least one work 33 to a reference electrode dipped into the electrolytic solution bath. The system has a cleaning solution tank in which a cleaning solution for cleaning the work 33 after the completion of the removal of the coating from the work 33 is stored. The system has a distillation unit for purifying the electrolytic solution, and returning the electrolytic solution to the stripping tank as a purified form.

    CHROME-FREE CONVERSION COATING OF ALUMINUM ALLOY AND METHOD THEREFOR
    2.
    发明专利
    CHROME-FREE CONVERSION COATING OF ALUMINUM ALLOY AND METHOD THEREFOR 审中-公开

    公开(公告)号：JP2002220681A

    公开(公告)日：2002-08-09

    申请号：JP2001386736

    申请日：2001-12-19

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： JAWOROWSKI MARK R ,  KRYZMAN MICHAEL A

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

    Abstract: PROBLEM TO BE SOLVED: To provide a chrome-free conversion coating which is a chemical compound used for a component of aluminum alloy. SOLUTION: A method for forming the coating comprises, preparing the first solution including chemical species as an anodic inhibitor and the second solution including chemical species as a cathodic corrosion inhibitor, and immersing the component to be coated into the first solution out of the first and the second solutions, and then, immersing it into the second solution out of the first and the second solutions. Preferable chemical species for the anodic inhibitor include chemical species such as tungstate, permanganate, vanadate, and molybdate, and mixtures thereof. The example of the cathodic inhibitor includes cobalt, cerium, and other lanthanide elements such as praseodymium, and mixtures thereof. In one embodiment, the chemical conversion coating is formed by using each of a solution including cerium and a solution including tungstate.

    Corrosion inhibitor dispensing apparatus and methods
    7.
    发明专利
    Corrosion inhibitor dispensing apparatus and methods 未知

    公开(公告)号：SG128540A1

    公开(公告)日：2007-01-30

    申请号：SG200600945

    申请日：2006-02-14

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： JAWOROWSKI MARK R

    Abstract: A corrosion inhibitor dispensing apparatus has a housing with a fluid inlet and a fluid outlet. A first body within the housing comprises a cathodic corrosion inhibitor. A second body within the housing comprises an anodic corrosion inhibitor.

    8.
    发明专利
    未知

    公开(公告)号：AT291107T

    公开(公告)日：2005-04-15

    申请号：AT01310611

    申请日：2001-12-19

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： JAWOROWSKI MARK R ,  KRYZMAN MICHAEL A

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

    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.

    FEEDBACK CONTROLLED AIRFOIL STRIPPING SYSTEM
    9.
    发明专利
    FEEDBACK CONTROLLED AIRFOIL STRIPPING SYSTEM 未知

    公开(公告)号：HU0105339A2

    公开(公告)日：2004-04-28

    申请号：HU0105339

    申请日：2001-12-14

    Applicant: UNITED TECHNOLOGIES CORP

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

    IPC: C25F1/00 ,  F01D5/28 ,  C25F5/00 ,  C25F7/00 ,  C25F7/02 ,  F02C7/00 ,  C02F1/46

    Abstract: A feedback controlled stripping system comprises a stripping tank 12 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 14 for rinsing the workpiece(s) after removal of the workpiece(s) from the stripping tank, and a distillation unit 16 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 12, the rinse tank 14, and the distillation unit are mounted to a skid 18. The system further includes a control module.

    Mixed conversion coatings free of chromium and intended for aluminium alloys
    10.
    发明专利
    Mixed conversion coatings free of chromium and intended for aluminium alloys 未知

    公开(公告)号：CZ20014576A3

    公开(公告)日：2002-08-14

    申请号：CZ20014576

    申请日：2001-12-18

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： JAWOROWSKI MARK R ,  KRYZMAN MICHAEL A

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

    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.

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