Patent CA-3015495-A1 (CA)
Inventor: MECK KLAUS-DIETER
IPC: G01M13/00
Filed: 2017-02-23
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY  (PCT) (19) World Intellectual Property        -, Organization ....-International Bureau                    ........Yejd .......,,,'    (10) International Publication Number (43) International Publication Date    WO 2017/147297 Al 31 August 2017 (31.08.2017)      WIPO I PCT (51) International Patent Classification:                                           Slough Berkshire SL1 4LU (GB). NARAYANASWAMY, F 16J 15/34 (2006.01)    F16J 15/16 (2006.01) Kamesh; c/o JOHN CRANE UK LTD., Buckingham GO1M 13/00 (2006.01) House, 361-366 Buckingham Avenue, Slough Berkshire SL1 4LU (GB). PARMAR, Murat; c/o JOHN CRANE (21) International Application Number: UK LTD., Bucki PCT/U52017/019139                       ngham House, 361-366 Buckingham Av-enue, Slough Berkshire SL1 4LU (GB). UNSWORTH, (22) International Filing Date:                                                     David; c/o JOHN CRANE UK LTD., Buckingham House, 23 February 2017 (23.02.2017)           361-366 Buckingham Avenue, Slough Berkshire SL1 4LU (GB). ZHU, Xiaoran; c/o JOHN CRANE UK LTD., Buck-(25) Filing Language:                      English ingham House, 361-366 Buckingham Avenue, Slough (26) Publication Language:                 English    Berkshire SL1 4LU (GB). (30) Priority Data:                                                                 (74) Agents: PATTERSON, James H. et al.; Patterson 62/298,839      23 February 2016 (23.02.2016) US    Thuente Pedersen, P.A., 4800 IDS Center, 80 South 8th 62/298,851      23 February 2016 (23.02.2016)    US    Street, Minneapolis, Minnesota 55402 (US). 62/298,848      23 February 2016 (23.02.2016) US (81) Designated States (unless otherwise indicated, for every 62/298,814      23 February 2016 (23.02.2016) US    kind of national protection available): AE, AG, AL, AM, 62/302,451        2 March 2016 (02.03.2016)    US                                   AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW BY, 62/302,458        2 March 2016 (02.03.2016)    US                                   BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK,, DM, (71) Applicant: JOHN CRANE UK LTD. [GB/GB]; Bucking-DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, ham House, 361-366 Buckingham Avenue, Slough, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, Berkshire SL1 4LU (GB).                                                             KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, =                                                                               MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, (72) Inventors: MECK, Klaus-Dieter; c/o JOHN CRANE UK                               NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, LTD., Buckingham House, 361-366 Buckingham Avenue, = [Continued on next page] _ _ (54) Title: SYSTEMS AND METHODS FOR PREDICTIVE DIAGNOSTICS FOR MECHANICAL  SYSTEMS .                                                                               (57) Abstract: A predictive diagnostics system for monitoring mech-anical seals. The system autonomously detects a loss of lubrication = within a sliding seal interface of a mechanical seal, the system in-=                 4942 Receive cluding a loss of lubrication failure mode logic module configured to =              csag.:L. i_                                                           monitor data sensed by one or more sensors and diagnose conditions LOA                                                          1    relating to a loss of lubrication within the sliding seal interface, and a Liondor Sanger =  Dale. foiStexti plurality of other failure mode logic modules configured to monitor state    i = data sensed by the one or more sensors and diagnose conditions re-=    lating to specific types of mechanical failures known to occur in 1                     kagg =                 1 Establigt Theesholds mechanical seal systems, the loss of lubrication failure mode logic = module configured to determine which of the plurality of other fail-=                .  I                     Bg12 ure mode logic modules are activated during the diagnosis of condi-=             .1 TrStee Data la i                     Paaus               tions related to a loss of lubrication within the sliding seal interface. ,4,     NEU = Med RCNN.Zzed? / =        FT      seams =              /NN 11                Row 2 I in= ,,>" .4                 N ,,,,, q IN C:r ei                         FIG. 8 IN 11' IN     ei CD     WO 2017/147297 Al 111111111111111111111111111111111110111111111111111111111111111111111111111111#   RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY,    DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC,    LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, VN, ZA, ZM, ZW.                            SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, Published: GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, ¨                                          with international search report (Art. 21(3)) TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE,