(19)

(11)

EP 3 334 931 A1

(12)

(43) Date of publication: 20.06.2018 Bulletin 2018/25 (21) Application number: 16835724.2 (22) Date of filing: 05.08.2016

(51) International Patent Classification (IPC):  F04B 11/00(2006.01) F04B 39/00(2006.01) F04B 27/00(2006.01) F04B 39/02(2006.01) (86) International application number: PCT/US2016/045921 (87) International publication number: WO 2017/027424 (16.02.2017 Gazette 2017/07)

(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: 13.08.2015 US 201562204958 P (71) Applicants: Vindum, Jorgen San Ramon, California 94583 (US) Vindum Engineering, Inc. San Ramon, California 94583 (US)	(72) Inventor: VINDUM, Jorgen San Ramon, California 94583 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)