(19)

(11)

EP 3 682 523 A1

(12)

(43) Date of publication: 22.07.2020 Bulletin 2020/30 (21) Application number: 18792440.2 (22) Date of filing: 14.09.2018

(51) International Patent Classification (IPC):  H02J 3/36(2006.01) H02J 3/48(2006.01) (86) International application number: PCT/GB2018/052621 (87) International publication number: WO 2019/053447 (21.03.2019 Gazette 2019/12)

(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: 15.09.2017 GB 201714874 (71) Applicant: Turbo Power Systems Ltd Gateshead, Tyne and Wear NE11 0QD (GB)	(72) Inventors: MCDONALD, Ian Gateshead, Tyne and Wear NE11 0QD (GB) JAKEMAN, Nigel Gateshead, Tyne and Wear NE11 0QD (GB) HASSAN, Fainan Gateshead, Tyne and Wear NE11 0QD (GB) GURWICZ, David Gateshead, Tyne and Wear NE8 1TP (GB) (74) Representative: Elsworth, Dominic Stephen  Hargreaves Elsworth 26 Northumberland Square North Shields, Tyne&Wear NE30 1PW North Shields, Tyne&Wear NE30 1PW (GB)