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1. (WO2001071885) UNINTERRUPTIBLE POWER SUPPLIES EMPLOYING FUEL CELLS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2001/071885 International Application No.: PCT/US2001/008854
Publication Date: 27.09.2001 International Filing Date: 20.03.2001
Chapter 2 Demand Filed: 18.10.2001
IPC:
H01M 8/04 (2006.01) ,H02J 9/06 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8
Fuel cells; Manufacture thereof
04
Auxiliary arrangements or processes, e.g. for control of pressure, for circulation of fluids
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
J
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
9
Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
04
in which the distribution system is disconnected from the normal source and connected to a standby source
06
with automatic change-over
Applicants:
LIU, Frank [US/US]; US (UsOnly)
HUMPHREYS, Paul [CA/US]; US (UsOnly)
LE, Thanh, P [US/US]; US (UsOnly)
SLOANE, Thomas, H. [US/US]; US (UsOnly)
ALPHA TECHNOLOGIES, INC. [US/US]; 3767 Alpha Way Bellingham, WA 98225, US
Inventors:
LIU, Frank; US
HUMPHREYS, Paul; US
LE, Thanh, P; US
SLOANE, Thomas, H.; US
Agent:
SCHACHT, Michael, R.; Schacht Law Office, Inc. 2801 Meridian Street Suite 202 Bellingham, WA 98225-2412, US
Priority Data:
60/190,60220.03.2000US
60/191,81624.03.2000US
Title (EN) UNINTERRUPTIBLE POWER SUPPLIES EMPLOYING FUEL CELLS
(FR) ALIMENTATIONS SANS COUPURE DANS LESQUELLES DES PILES A COMBUSTIBLE SONT UTILISEES
Abstract:
(EN) An uninterruptible power supply system (20) comprises a source of a utility power signal (UTILITY POWER), a source of hydrogen (SOURCE FUEL), a fuel cell stack (32), first and second input circuits (40, 42), an output circuit (44) and a control circuit (26).
(FR) L'invention concerne un système d'alimentation sans coupure (20) comprenant une source de signal d'énergie de service (ENERGIE DE SERVICE), une source d'hydrogène (CARBURANT SOURCE), une batterie de piles à combustible (32), des premier et deuxième circuits d'entrée (40, 42), un circuit de sortie (44) et un circuit de commande (26).
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CR, CU, CZ, DE, DK, DM, DZ, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)