(19)
(11) EP 0 481 609 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.09.1992 Bulletin 1992/36

(43) Date of publication A2:
22.04.1992 Bulletin 1992/17

(21) Application number: 91308654.2

(22) Date of filing: 24.09.1991
(51) International Patent Classification (IPC)5: F02P 15/00, F02C 7/26, F02C 7/266
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 21.06.1991 GB 9113489
19.10.1990 GB 9022734

(71) Applicant: LUCAS INDUSTRIES PUBLIC LIMITED COMPANY
Solihull, West Midlands B91 3TX (GB)

(72) Inventors:
  • Khan, Mohammad Gulistan
    AlumRock, Birmingham, B8 3HH (GB)
  • Livings, Rodney
    Waterlooville, Portsmouth, PO7 7NH (GB)

(74) Representative: Robinson, John Stuart et al
MARKS & CLERK, Alpha Tower, Suffolk Street Queensway
Birmingham, B1 1TT
Birmingham, B1 1TT (GB)


(56) References cited: : 
   
       


    (54) HT exciter for turbine ignition system


    (57) A high tension exciter for use in a gas turbine ignition system. The exciter comprises a power supply for charging an energy store (12). The energy store (12) is periodically discharged, via a solid state switch (13), into a pulse transformer (15). The pulse transformer (15) has a step-up action, and transforms the voltage from the energy store (12) into a voltage suitable for operating an ignition plug of a gas turbine engine.






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