(19)

(11)

EP 0 714 566 A1

(12)

(43) Date of publication: 05.06.1996 Bulletin 1996/23 (21) Application number: 94922549.0 (22) Date of filing: 15.07.1994

(51) International Patent Classification (IPC):  H02P 25/ 04( . ) H02P 23/ 00( . ) H02J 3/ 18( . ) H02P 27/ 02( . ) (86) International application number: PCT/US1994/007894 (87) International publication number: WO 1995/002920 (26.01.1995 Gazette 1995/05)

(84) Designated Contracting States: DE GB IT NL (30) Priority: 15.07.1993 US 19930091279 (71) Applicant: ECONELECTRIC OF NORTH AMERICA, INC. Westwood, NJ 07675 (US)	(72) Inventors: ROEMER, Jay, Stewart Park Ridge, NJ 07656 (US) ZILBERMAN, Yevgeny Fairhaven, NJ 07410 (US) (74) Representative: Jackson, Richard Eric  Carpmaels & Ransford, 43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)