(19)
(11) EP 4 248 291 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 21895284.4

(22) Date of filing: 31.03.2021
(51) International Patent Classification (IPC): 
G05D 7/01(2006.01)
F16K 15/06(2006.01)
F16K 17/06(2006.01)
(52) Cooperative Patent Classification (CPC):
G05D 7/014
(86) International application number:
PCT/US2021/025069
(87) International publication number:
WO 2022/108614 (27.05.2022 Gazette 2022/21)
(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: 20.11.2020 US 202016953998

(71) Applicant: Flow Dynamics, LLC
Encinitas, California 92023 (US)

(72) Inventor:
  • CHALFIN, Jeffrey Alan
    Carlsbad, California 92009 (US)

(74) Representative: Herrero & Asociados, S.L. 
Cedaceros, 1
28014 Madrid
28014 Madrid (ES)

   


(54) HYDROSTATICALLY ADJUSTABLE VALVE AND ASSOCIATED SYSTEM