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Machine translation
1. (WO2011022267) MICROMACHINED DEVICE AND CONTROL METHOD
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2011/022267    International Application No.:    PCT/US2010/045156
Publication Date: 24.02.2011 International Filing Date: 11.08.2010
IPC:
F16K 11/07 (2006.01), F16K 31/34 (2006.01), F15B 13/043 (2006.01)
Applicants: MICROSTAQ, INC. [US/US]; 4150 Freidrich Lane, Suite A Austin, TX 78744 (US) (For All Designated States Except US).
HUNNICUTT, Harry [US/US]; (US) (For US Only)
Inventors: HUNNICUTT, Harry; (US)
Agent: INKS, Allen, W.; Macmillan, Sobanski & Todd, LLC One Maritime Plaza; 5th Floor 720 Water Street Toledo, OH 43604 (US)
Priority Data:
61/234,522 17.08.2009 US
Title (EN) MICROMACHINED DEVICE AND CONTROL METHOD
(FR) DISPOSITIF MICRO-USINÉ ET PROCÉDÉ DE COMMANDE
Abstract: front page image
(EN)A microvalve device is disclosed for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a bore formed therein. A pilot- operated main valve spool supported by the body is movably disposed in the bore for opening and closing ports formed in the body. A pilot microvalve is operable for controlling movement of the pilot-operated main valve. The pilot microvalve may include a movable valve element that controls the cross-sectional area of two variable orifices in series. When the pilot microvalve is at rest, one orifice is closed and the other is open. Upon actuating the pilot microvalve, the closed orifice may begin to open and the open orifice may begin to close. Pressure between the orifices is used as a command pressure, which is utilized to position the pressure control valve to control load pressure. A method of operating a microvalve device is also disclosed.
(FR)L'invention porte sur un dispositif de microsoupape destiné à commander l'écoulement d'un fluide dans un circuit de fluide. Le dispositif de microsoupape comprend un corps dans lequel est formé un alésage. Un tiroir de soupape principal, actionné par pilote, supporté par le corps, est monté mobile dans l'alésage pour ouvrir et fermer des orifices formés dans le corps. Une microsoupape pilote peut être commandée pour commander le mouvement du tiroir principal actionné par pilote. La microsoupape pilote peut comprendre un élément de soupape mobile qui commande la surface de section de deux orifices variables en série. Lorsque la microsoupape pilote est au repos, un orifice est fermé et l'autre est ouvert. Lors de l'actionnement de la microsoupape pilote, l'orifice fermé peut commencer à s'ouvrir et l'orifice ouvert peut commencer à se fermer. La pression entre les orifices est utilisée comme pression de commande qui est utilisée pour positionner la soupape de commande de pression de manière à commander la pression de charge. L'invention porte aussi sur un procédé de manœuvre d'un dispositif de microsoupape.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, 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, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)