# US 11,299,055 B2 · Non-contact power supply device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,299,055 B2 - Document ID: US11299055B2 - Status: Granted - Kind: B2 - Application number: 16/886,285 - Filed: 2020-05-28 - Published: 2021-01-07 - Granted: 2022-04-12 - Earliest claimed: 2019-07-02 - Assignees: Toshiba Tec Kabushiki Kaisha - Applicants: Toshiba Tec Kabushiki Kaisha - Inventors: Ryohei Miyoshi; Kazuyuki Matsumura - Web page: https://patentgrep.com/patent/US11299055B2 ## CPC - B60L 53/12: Inductive energy transfer - B60L 53/38: specially adapted for charging by inductive energy transfer - B60L 53/305: {Communication interfaces} - G06K 7/10881: {constructional details of hand-held scanners} - H02J 50/10: using inductive coupling - H02J 50/40: using two or more transmitting or receiving devices (H02J50/50 takes precedence) - H02J 50/90: involving detection or optimisation of position, e.g. alignment - B60L 2200/30: Trolleys - H02J 7/80: including monitoring or indicating arrangements - H02J 50/005: {Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices} - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A non-contact charging cart station includes a housing and a plurality of non-contact charging devices. The housing has a cart placement region on which stackable carts or the like can be inserted along a cart placement direction. The plurality of non-contact charging devices are in the housing and aligned in the cart placement region along the cart placement direction. ## Claims ### Claim 1 A non-contact power supply device, comprising: a housing having a cart placement region into which stackable carts can be inserted along a cart placement direction, the stackable cart being stackable at a first interval; three or more non-contact charging devices that are in the housing and aligned in the cart placement region along the cart placement direction at the first interval, wherein each of the non-contact charging devices is configured to perform non-contact charging with respect to a non-contact power receiver of one of the stackable carts stacked at the first interval and inserted into the cart placement region; and a wheel guide in the cart placement region, the wheel guide extending in the cart placement direction, wherein the wheel guide includes three or more wheel settlement regions aligned along the cart placement direction at the first interval, each of the wheel settlement regions being shaped to fit a wheel of one of the stackable carts stacked at the first interval and inserted into the cart placement region. ### Claim 2 (depends on 1) The non-contact power supply device according to claim 1, wherein each of the non-contact charging devices has a non-contact charging surface parallel to a surface of the cart placement region. ### Claim 3 (depends on 1) The non-contact power supply device according to claim 1, wherein the wheel guide includes a cart introduction portion, and a guide width of the cart introduction portion narrows with distance along the cart placement direction. ### Claim 4 (depends on 1) The non-contact power supply device according to claim 1, further comprising: a wheel stop provided at an end of the cart placement region. ### Claim 5 (depends on 1) The non-contact power supply device according to claim 1, wherein the wheel guide includes a first wheel guide and a second wheel guide that extend in the cart placement direction, and the non-contact charging devices are between the first wheel guide and the second wheel guide. ### Claim 6 (depends on 5) The non-contact power supply device according to claim 5, wherein the first wheel guide includes three or more first wheel settlement regions aligned along the cart placement direction, each of the first wheel settlement regions being shaped to fit a wheel of one of the stackable carts, and the second wheel guide includes three or more second wheel settlement regions aligned along the cart placement direction, each of the second wheel settlement regions being shaped to fit a wheel of one of the stackable carts. ### Claim 7 (depends on 6) The non-contact power supply device according to claim 6, wherein the first wheel settlement regions are aligned at the first interval along the cart placement direction, and the second wheel settlement regions are aligned at the first interval along the cart placement direction. ### Claim 8 (depends on 1) The non-contact power supply device according to claim 1, further comprising: three or more light emitting devices in the housing and aligned along the cart placement direction in respective correspondence with the three or more non-contact charging devices at the first interval. ### Claim 9 (depends on 8) The non-contact power supply device according to claim 8, wherein each of the light emitting devices is configured to emit light when a non-contact power receiver of one of the stackable carts is above the corresponding one of the of non-contact charging devices. ### Claim 10 (depends on 1) The non-contact power supply device according to claim 1, wherein the first interval is less that a total length of the stackable cart along the cart placement direction. ### Claim 11 (depends on 1) The non-contact power supply device according to claim 1, wherein the cart placement region includes a ramp that is inclined along the cart placement direction.