(19)

(11)

EP 3 353 422 A2

(12)

(88) Date of publication A3: 04.05.2017 (43) Date of publication: 01.08.2018 Bulletin 2018/31 (21) Application number: 16775843.2 (22) Date of filing: 23.09.2016

(51) International Patent Classification (IPC):  F04B 17/03(2006.01) F04C 2/08(2006.01) F04B 53/16(2006.01) (86) International application number: PCT/GB2016/052975 (87) International publication number: WO 2017/051192 (30.03.2017 Gazette 2017/13)

(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: MA MD (30) Priority: 23.09.2015 GB 201516861 (71) Applicant: Parker Hannifin Manufacturing Limited Crewkerne, Somerset TA18 8LL (GB)	(72) Inventors: BROEKX, Andries Crewkerne Somerset TA18 8LL (GB) LEADLEY, Paul Crewkerne Somerset TA18 8LL (GB) (74) Representative: Jones, David Alan  Urquhart-Dykes & Lord LLP 7th Floor Churchill House Churchill Way Cardiff CF10 2HH Cardiff CF10 2HH (GB)