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1. (WO2018125511) VARIABLE PRESSURE INVENTORY CONTROL OF CLOSED CYCLE SYSTEM WITH A HIGH PRESSURE TANK AND AN INTERMEDIATE PRESSURE TANK
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Pub. No.: WO/2018/125511 International Application No.: PCT/US2017/064076
Publication Date: 05.07.2018 International Filing Date: 30.11.2017
IPC:
F02G 1/043 (2006.01) ,F02C 1/10 (2006.01) ,F01D 15/10 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
G
HOT-GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES, NOT OTHERWISE PROVIDED FOR
1
Hot gas positive-displacement engine plants
04
of closed-cycle type
043
the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
C
GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
1
Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
04
the working fluid being heated indirectly
10
Closed cycles
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
15
Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
10
Adaptations for driving, or combinations with, electric generators
Applicants:
X DEVELOPMENT LLC [US/US]; 1600 Amphitheatre Parkway Mountain View, CA 94043, US
Inventors:
APTE, Raj; US
LAROCHELLE, Philippe; US
Agent:
ROHDE, Kurt, W.; US
Priority Data:
15/392,92728.12.2016US
Title (EN) VARIABLE PRESSURE INVENTORY CONTROL OF CLOSED CYCLE SYSTEM WITH A HIGH PRESSURE TANK AND AN INTERMEDIATE PRESSURE TANK
(FR) COMMANDE D'INVENTAIRE À PRESSION VARIABLE D'UN SYSTÈME À CYCLE FERMÉ AVEC UN RÉSERVOIR À HAUTE PRESSION ET UN RÉSERVOIR À PRESSION INTERMÉDIAIRE
Abstract:
(EN) Systems and methods for variable pressure inventory control of a closed thermodynamic cycle power generation system or energy storage system, such as a reversible Brayton cycle system, with at least a high pressure tank and an intermediate pressure tank are disclosed. Operational parameters of the system such as working fluid pressure, turbine torque, turbine RPM, generator torque, generator RPM, and current, voltage, phase, frequency, and/or quantity of electrical power generated and/or distributed by the generator may be the basis for controlling a quantity of working fluid that circulates through a closed cycle fluid path of the system.
(FR) La présente invention concerne des systèmes et des procédés de commande d'inventaire à pression variable d'un système de stockage d'énergie ou d'un système de génération d'énergie à cycle thermodynamique fermé, tel qu'un système à cycle Brayton réversible, avec au moins un réservoir à haute pression et un réservoir à pression intermédiaire. Des paramètres de fonctionnement du système, tels que la pression de fluide de travail, le couple de turbine, le régime de turbine, le couple de générateur, le régime de générateur, et le courant, la tension, la phase, la fréquence, et/ou la quantité d'énergie électrique générée et/ou distribuée par le générateur peuvent être la base pour commander une quantité de fluide de travail qui circule à travers un trajet de fluide à cycle fermé du système.
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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, JO, 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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)