EP0895344 - A method of controlling a torque ripple of a motor having interior permanent magnets and a controller using the same method [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.08.2004 Database last updated on 19.10.2024 | Most recent event Tooltip | 17.10.2008 | Change - applicant | published on 19.11.2008 [2008/47] | Applicant(s) | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 / JP | [2008/47] |
Former [2003/40] | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD 1006, Oaza-Kadoma Kadoma-shi, Osaka 571-0000 / JP | ||
Former [1999/05] | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD 1006, Oaza-Kadoma Kadoma-shi, Osaka 571 / JP | Inventor(s) | 01 /
Nakamura, Tomokazu 2-20-16, Kozu Katano-shi, Osaka, 576 / JP | 02 /
Nishiyama, Noriyoshi 15-27, Sugahara-cho Izumiotsu-shi, Osaka, 595 / JP | 03 /
Ikkai, Yasufumi 5-9-50-502, Uozakiminamimachi, Higashinada-ku Kobe-shi, Hyogo, 658 / JP | [1999/05] | Representative(s) | Kügele, Bernhard, et al Novagraaf International SA Chemin de l'Echo 3 1213 Onex / CH | [N/P] |
Former [1999/05] | Kügele, Bernhard, et al NOVAPAT INTERNATIONAL SA, 9, Rue du Valais 1202 Genève / CH | Application number, filing date | 98114055.1 | 28.07.1998 | [1999/05] | Priority number, date | JP19970204114 | 30.07.1997 Original published format: JP 20411497 | [1999/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0895344 | Date: | 03.02.1999 | Language: | EN | [1999/05] | Type: | A3 Search report | No.: | EP0895344 | Date: | 01.09.1999 | [1999/35] | Type: | B1 Patent specification | No.: | EP0895344 | Date: | 01.10.2003 | Language: | EN | [2003/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 15.07.1999 | Classification | IPC: | H02P6/10 | [1999/05] | CPC: |
H02P6/10 (EP,US)
| Designated contracting states | DE, FR, GB [2000/19] |
Former [1999/05] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Verfahren zum Regeln von Drehmomentschwankungen eines Motors mit Permanentmagneten im Inneren und ein Regler mit diesem Verfahren | [1999/05] | English: | A method of controlling a torque ripple of a motor having interior permanent magnets and a controller using the same method | [1999/05] | French: | Méthode de commande d'ondulation du couple d'un moteur avec aimants permanents à l'intéerieur et régulateur utilisant cette méthode | [1999/05] | Examination procedure | 16.11.1999 | Examination requested [2000/03] | 16.10.2001 | Despatch of a communication from the examining division (Time limit: M04) | 11.02.2002 | Reply to a communication from the examining division | 06.06.2002 | Despatch of a communication from the examining division (Time limit: M04) | 22.07.2002 | Reply to a communication from the examining division | 25.03.2003 | Communication of intention to grant the patent | 16.07.2003 | Fee for grant paid | 16.07.2003 | Fee for publishing/printing paid | Opposition(s) | 02.07.2004 | No opposition filed within time limit [2004/39] | Fees paid | Renewal fee | 21.07.2000 | Renewal fee patent year 03 | 23.07.2001 | Renewal fee patent year 04 | 20.07.2002 | Renewal fee patent year 05 | 23.07.2003 | Renewal fee patent year 06 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [XY]EP0564608 (KAMAN ELECTROMAGNETICS CORP [US]) [X] 1,11 * column 13, line 34 - line 44 * * claims 1,5 * [Y] 2,12; | [Y] - JAHNS T M ET AL, "PULSATING TORQUE MINIMIZATION TECHNIQUES FOR PERMANENT MAGNET AC MOTOR DRIVES-A REVIEW", IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, (19960401), vol. 43, no. 2, ISSN 0278-0046, pages 321 - 330, XP000592585 [Y] 2,12 * page 326, line 38 - line 45 * * figure 6 * DOI: http://dx.doi.org/10.1109/41.491356 | [A] - TAMAKI S ET AL, "THE OPTIMAL CONTROL SYSTEM OF INTERIOR PERMANENT MAGNET MOTORS FOR ELECTRIC VEHICLES", EVS - 13. 13TH. INTERNATIONAL ELECTRIC VEHICLE SYMPOSIUM, OSAKA, OCT. 13 - 16, 1996 SESSIONS 5A - 6H + POSTER/DIALOGUE SESSION, JAPAN ELECTRIC VEHICLE ASSOCIATION (JEVA), (19961013), vol. 2, no. SYMP. 13, pages 557 - 561, XP000688972 [A] 8-10,18-20 * page 557, INTRODUCTION, paragraph 2 * |