(19)

(11)

EP 4 103 881 A1

(12)

(43) Date of publication: 21.12.2022 Bulletin 2022/51 (21) Application number: 21703442.0 (22) Date of filing: 04.02.2021

(51) International Patent Classification (IPC):  F23D 14/64(2006.01) F23D 14/82(2006.01) (52) Cooperative Patent Classification (CPC): F23D 14/64; F23D 14/82; F23C 2900/9901; F23D 2900/14642 (86) International application number: PCT/EP2021/052642 (87) International publication number: WO 2021/160506 (19.08.2021 Gazette 2021/33)

(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: 12.02.2020 GB 202001922 (71) Applicant: Robert Bosch GmbH 70442 Stuttgart (DE)	(72) Inventors: COLLINS, Tom Worcester, West Midlands WR3 8XA (GB) DUNNE, Simon Birmingham, West Midlands B301LN (GB)