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1. (WO2017196539) METHODS AND APPARATUS FOR REDUCING FLUX CANCELLATION IN FERRITE OF DOUBLE COUPLE INDUCTIVE POWER TRANSFER SYSTEMS
PCT Biblio. Data
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Pub. No.:
WO/2017/196539
International Application No.:
PCT/US2017/029676
Publication Date:
16.11.2017
International Filing Date:
26.04.2017
IPC:
H01F 38/14
(2006.01),
H02J 7/00
(2006.01),
H02J 7/02
(2016.01),
H02J 50/10
(2016.01),
H02J 50/40
(2016.01),
H02J 50/50
(2016.01),
H02J 50/12
(2016.01),
B60L 11/18
(2006.01)
H
ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
F
MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
38
Adaptations of transformers or inductances for specific applications or functions
14
Inductive couplings
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
7
Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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
7
Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
02
for charging batteries from ac mains by converters
[IPC code unknown for H02J 50/10][IPC code unknown for H02J 50/40][IPC code unknown for H02J 50/50][IPC code unknown for H02J 50/12]
B
PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
L
PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
11
Electric propulsion with power supplied within the vehicle
18
using power supplied from primary cells, secondary cells, or fuel cells
Applicants:
QUALCOMM INCORPORATED
[US/US]; Attn: International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714 (US)
Inventors:
BUDHIA, Mickel Bipin
; (US).
HUANG, Chang-Yu
; (US).
KEELING, Nicholas Athol
; (US).
KISSIN, Michael Le Gallais
; (US).
BEAVER, Jonathan
; (US)
Agent:
ABUMERI, Mark M.
; (US)
Priority Data:
15/154,286
13.05.2016
US
Title
(EN)
METHODS AND APPARATUS FOR REDUCING FLUX CANCELLATION IN FERRITE OF DOUBLE COUPLE INDUCTIVE POWER TRANSFER SYSTEMS
(FR)
PROCÉDÉS ET APPAREILS DE RÉDUCTION DE L'ANNULATION DE FLUX DANS UNE FERRITE DE SYSTÈMES DE TRANSFERT D'ÉNERGIE PAR INDUCTION À DOUBLE COUPLAGE
Abstract:
(EN)
According to some implementations, an apparatus for transmitting charging power wirelessly to a load is provided. The apparatus comprises at least one ferrite structure comprising a first ferrite portion, a second ferrite portion comprising at least a first ferrite leg, a second ferrite leg, and a third ferrite leg, each physically separated from the first ferrite portion by a first distance, and a third ferrite portion positioned between the second ferrite leg and the first ferrite portion and physically contacting the second ferrite leg. The at least one ferrite structure further comprises a coil wound around the second ferrite leg and configured to generate an alternating current under influence of an alternating magnetic field.
(FR)
Selon certains modes de réalisation, l'invention concerne un appareil destiné à envoyer de l'énergie de charge sans fil à une charge. L'appareil comprend au moins une structure en ferrite comprenant une première partie en ferrite, une deuxième partie en ferrite comprenant au moins une première patte en ferrite, une deuxième patte en ferrite et une troisième patte en ferrite, chacune physiquement séparée de la première partie en ferrite par une première distance, et une troisième partie en ferrite positionnée entre la deuxième patte en ferrite et la première partie en ferrite et en contact physique avec la deuxième patte en ferrite. La ou les structures en ferrite comprennent en outre une bobine enroulée autour de la deuxième patte en ferrite et configurée pour générer un courant alternatif sous l'influence d'un champ magnétique alternatif.
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 (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
)