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1. (WO2017134014) GAS PRESSURE REDUCER WITH ADJUSTABLE SEAT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/134014 International Application No.: PCT/EP2017/051942
Publication Date: 10.08.2017 International Filing Date: 30.01.2017
IPC:
G05D 16/10 (2006.01) ,G05D 16/20 (2006.01)
G PHYSICS
05
CONTROLLING; REGULATING
D
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
16
Control of fluid pressure
04
without auxiliary power
10
the sensing element being a piston or plunger
G PHYSICS
05
CONTROLLING; REGULATING
D
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
16
Control of fluid pressure
20
characterised by the use of electric means
Applicants:
LUXEMBOURG PATENT COMPANY S.A. [LU/LU]; 24, route de Diekirch 7440 Lintgen, LU
Inventors:
BECKER, Daniel; DE
SCHMITZ, Philippe; LU
Agent:
LECOMTE & PARTNERS; P.O. Box 1623 1016 Luxembourg, LU
Priority Data:
LU9296702.02.2016LU
Title (EN) GAS PRESSURE REDUCER WITH ADJUSTABLE SEAT
(FR) RÉDUCTEUR DE PRESSION DE GAZ À ASSISE VARIABLE
Abstract:
(EN) The invention is directed to a gas pressure reducer (2) comprising a body (10) with an inlet (4) intended to be in flow communication with a high pressure gas source; an outlet (6) intended to deliver the gas at a predetermined low pressure; a passage (8) through the body (10) in flow communication with the inlet (4) and with the outlet (6). A resilient element (24) engages with a pressure reducing piston (18) with a through flow path (22) formed by a needle (20). The needle (20) cooperates with a movable seat (16). The outlet pressure acts on the piston (18) in opposite direction than the spring (24) so as to urge the path (22) against the seat (16) in order to reduce the gas flow through the path (22). Pressure setting means comprise an electric actuator (32), such as a stepper motor, which moves the seat (16) along the moving direction of the piston (18) in order to set the predetermined outlet pressure.
(FR) L’invention se rapporte à un réducteur de pression (2) de gaz comprenant un corps (10) comportant une entrée (4) devant être en communication d’écoulement avec une source de gaz à haute pression ; une sortie (6) devant distribuer le gaz à une basse pression préétablie ; un passage (8) à travers le corps (10) en communication d’écoulement avec l’entrée (4) et avec la sortie (6). Un élément élastique (24) est en prise avec un piston (18) réducteur de pression comportant un chemin d’écoulement traversant (22) formé par une aiguille (20). L’aiguille (20) coopère avec une assise mobile (16). La pression de sortie agit sur le piston (18) dans le sens opposé au ressort (24) afin de pousser le chemin (22) contre l’assise (16) afin de réduire l’écoulement de gaz à travers le chemin (22). Des moyens de réglage de pression comprennent un actionneur électrique (32), de type moteur pas-à-pas, qui déplace l’assise (16) le long de la direction de déplacement du piston (18) afin de régler la pression de sortie préétablie.
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP3411769