(19)
(11) EP 4 023 939 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.10.2022 Bulletin 2022/41

(43) Date of publication A2:
06.07.2022 Bulletin 2022/27

(21) Application number: 21218239.8

(22) Date of filing: 29.12.2021
(51) International Patent Classification (IPC): 
F23N 1/02(2006.01)
F23D 11/42(2006.01)
 F23D 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F23D 11/001; F23D 11/42; F23N 1/022; F23N 2227/02; F23N 2227/36; F23N 2239/06; F23N 2241/04; F23Q 3/008; F23C 2900/03004; F23D 11/408; Y02E 20/34
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 30.12.2020 KR 20200188127

(71) Applicant: Kyungdong Navien Co., Ltd.
Pyeongtaek-si, Gyeonggi-do 17704 (KR)

(72) Inventor:
  • AN, Jae Min
    17704 Gyeonggi-do (KR)

(74) Representative: Beck Greener LLP 
Fulwood House 12 Fulwood Place
London WC1V 6HR
London WC1V 6HR (GB)

   


(54) BURNER, WATER HEATING APPARATUS, AND METHOD FOR CONTROLLING BURNER


(57) Disclosed is a burner comprising a fuel providing part configured to provide a fuel for a combustion reaction; an air providing part configured to send air for the combustion reaction; an ignition part configured to cause a spark such that the fuel and air provided are ignite; and a processor electrically connected to the fuel providing part, the air providing part, and the ignition part, wherein the processor is configured to: control the fuel providing part and the ignition part to provide the fuel for ignition and cause the spark; and control the air providing part such that an flow rate of the air provided at an ignition time point, at which the spark is caused and ignition occurs, is lower than a flow rate of the air provided at an air provision time point corresponding to a specific delay time after the ignition time point.







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Search report