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(11)

EP 3 577 375 A1

(12)

(43) Date of publication: 11.12.2019 Bulletin 2019/50 (21) Application number: 18701886.6 (22) Date of filing: 10.01.2018

(51) International Patent Classification (IPC):  F16K 11/07(2006.01) F16K 27/04(2006.01) F15B 13/04(2006.01) F16K 25/00(2006.01) (86) International application number: PCT/US2018/013061 (87) International publication number: WO 2018/144197 (09.08.2018 Gazette 2018/32)

(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 TN (30) Priority: 31.01.2017 US 201715421238 (71) Applicant: Fisher Controls International LLC Marshalltown, IA 50158 (US)	(72) Inventor: WINKLER, Richard, J. Marshalltown, IA 50158 (US) (74) Representative: Petraz, Gilberto Luigi et al GLP S.r.l. Viale Europa Unita, 171 33100 Udine Viale Europa Unita, 171 33100 Udine (IT)