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(11)

EP 0 132 266 A1

(12)

(43) Date of publication: 30.01.1985 Bulletin 1985/05 (21) Application number: 84900520.0 (22) Date of filing: 13.01.1984

(51) International Patent Classification (IPC):  H02H 7/ 26( . ) H02J 3/ 36( . ) (86) International application number: PCT/GB1984/000008 (87) International publication number: WO 1984/002807 (19.07.1984 Gazette 1984/17)

(84) Designated Contracting States: AT BE CH DE FR LI LU NL SE (30) Priority: 14.01.1983 GB 19830000991 (71) Applicant: ASSOCIATED ELECTRICAL INDUSTRIES LIMITED London W1A 1EH (GB)

(72) Inventors: DISEKO, Nehemiah, Lekaile Manitoba R37 3T1 (CA) BODEN, Michael, James Staffordshire ST15 8PT (GB) ROWE, Brian, Anthony Staffordshire ST20 oHH (GB) ANDERSEN, Bjarne, Reinholdt Stafford Staffordshire ST16 1BW (GB) (74) Representative: Keppler, William Patrick  The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane Chelmsford, Essex CM1 2QX Chelmsford, Essex CM1 2QX (GB)