# US 11,906,975 B2 · Mobile charging apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,906,975 B2 - Document ID: US11906975B2 - Status: Granted - Kind: B2 - Application number: 17/211,020 - Filed: 2021-03-24 - Published: 2021-09-30 - Granted: 2024-02-20 - Earliest claimed: 2020-03-27 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Takashi Hashizume; Ryuichi Kimata; Keiichiro Bungo; Koichi Tsuno - Web page: https://patentgrep.com/patent/US11906975B2 ## CPC - G05D 1/0225: {involving docking at a fixed facility, e.g. base station or loading bay (parking aids B62D15/027)} - G05D 1/648: Performing a task within a working area or space, e.g. cleaning - A01D 34/008: {for automated or remotely controlled operation} - B60L 53/14: Conductive energy transfer - B60L 53/30: Constructional details of charging stations - B60L 53/53: Batteries - G05D 1/0044: {by providing the operator with a computer generated representation of the environment of the vehicle, e.g. virtual reality, maps (maps used for automatic navigation G05D1/0274; flight directors G01C23/005)} - G05D 1/0278: {using satellite positioning signals, e.g. GPS} - G05D 1/0282: {generated in a local control room} - G05D 1/24: Arrangements for determining position or orientation - G05D 1/244: using passive navigation aids external to the vehicle, e.g. markers, reflectors or magnetic means - B60L 2200/40: Working vehicles - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - 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 - G05D: SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES - A01D: HARVESTING; MOWING - 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 - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A mobile charging apparatus is provided. The apparatus comprises a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; and a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine. ## Claims ### Claim 1 A mobile charging apparatus comprising: a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine; a communication unit that communicates with the work machine; and a charging unit that causes the battery to be charged by a fixed charging apparatus, wherein the predetermined position is closer to the work machine than the fixed charging apparatus is, and wherein, on receiving via the communication unit a notification that the work machine has completed work, the controller controls the movement unit to move the mobile charging apparatus to the fixed charging apparatus. ### Claim 2 (depends on 1) The mobile charging apparatus according to claim 1, wherein the predetermined position is within a work area in which the work machine performs work. ### Claim 3 (depends on 1) The mobile charging apparatus according to claim 1, further comprising: a position specifying unit that specifies a position of the mobile charging apparatus; and a notification unit that notifies the work machine of the position. ### Claim 4 (depends on 1) The mobile charging apparatus according to claim 1, further comprising: a dirt removing unit that removes dirt on a work unit of the work machine. ### Claim 5 A mobile charging apparatus comprising: a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine; and a dirt removing unit that removes dirt on a work unit of the work machine, wherein the dirt removing unit includes an electromagnet for removing a metallic piece and a pad for removing non-metallic dirt. ### Claim 6 A mobile charging apparatus control method, the mobile charging apparatus comprising: a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine; a communication unit that communicates with the work machine; and a charging unit that causes the battery to be charged by a fixed charging apparatus, wherein the predetermined position is closer to the work machine than the fixed charging apparatus is, wherein the method comprises: receiving via the communication unit a notification that the work machine has completed work, and on receiving the notification, controlling by the controller the movement unit to move the mobile charging apparatus to the fixed charging apparatus.