(19)
(11) EP 1 253 376 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.01.2005 Bulletin 2005/03

(43) Date of publication A2:
30.10.2002 Bulletin 2002/44

(21) Application number: 02009599.8

(22) Date of filing: 26.04.2002
(51) International Patent Classification (IPC)7F23N 5/08, F23N 5/12, F23N 5/14, F23D 14/72
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 26.04.2001 US 844974
20.03.2002 US 103540

(71) Applicant: Deng, David
Chino Hills, CA 91709 (US)

(72) Inventor:
  • Deng, David
    Chino Hills, CA 91709 (US)

(74) Representative: Viering, Jentschura & Partner 
Steinsdorfstrasse 6
80538 München
80538 München (DE)

   


(54) Gas pilot system and method having improved oxygen level detection capability and gas fueled device including the same


(57) A pilot system including a pilot including a nozzle (16) and a sensor (30, 54 or 64) adjacent to the nozzle that determines whether or not the pilot flame is in a predetermined position relative to the nozzle.







Search report