(19)

(11)

EP 2 956 666 A1

(12)

(43) Date of publication: 23.12.2015 Bulletin 2015/52 (21) Application number: 14706322.6 (22) Date of filing: 14.02.2014

(51) International Patent Classification (IPC):  F03G 7/04(2006.01) (86) International application number: PCT/GB2014/050433 (87) International publication number: WO 2014/125288 (21.08.2014 Gazette 2014/34)

(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 (30) Priority: 18.02.2013 GB 201302768 (71) Applicant: Thermogas Dynamics Limited Largs, Ayrshire KA30 8AA (GB)	(72) Inventor: SIMPSON, Robert Largs North Ayrshire KA30 8AA (GB) (74) Representative: Flaherty, Annette Esther  HGF Limited Delta House 50 West Nile Street Glasgow G1 2NP Glasgow G1 2NP (GB)