# US 2025/0153583 A1 · Three-type self-power generation system for charging electric vehicle battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0153583 A1 - Document ID: US20250153583A1 - Status: Published application - Kind: A1 - Application number: 18/588,940 - Filed: 2024-02-27 - Published: 2025-05-15 - Earliest claimed: 2023-11-13 - Inventors: Billian Ducwong HYUN - Web page: https://patentgrep.com/patent/US20250153583A1 ## CPC - B60L 53/00: Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles - B60L 8/003: {Converting light into electric energy, e.g. by using photo-voltaic systems} - B60L 8/006: {Converting flow of air into electric energy, e.g. by using wind turbines} - 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 ## Abstract Provided is a three-type self-power generation system for charging an electric vehicle battery. The three-type self-power generation system includes: a fixed panel formed on an outer ceiling surface of an electric vehicle while supported by a support column; one or more first power generators which are formed in a space between the outer ceiling surface of the electric vehicle and the fixed panel and generate electricity using wind power to charge a battery of the electric vehicle; one or more second power generators which are formed on a lower surface of the vehicle and generate electricity using a rotational force to charge the battery of the electric vehicle while the vehicle travels; and one or more third power generators which are formed on a flat surface of the fixed panel and generate electricity using sunlight to charge the battery of the electric vehicle. ## Claims ### Claim 1 A three-type self-power generation system for charging an electric vehicle battery, comprising: a fixed panel formed on an outer ceiling surface of an electric vehicle while supported by a support column; one or more first power generators which are formed in a space between the outer ceiling surface of the electric vehicle and the fixed panel and generate electricity using wind power to charge a battery of the electric vehicle; one or more second power generators which are formed on a lower surface of the vehicle and generate electricity using a rotational force to charge the battery of the electric vehicle while the vehicle travels; and one or more third power generators which are formed on a flat surface of the fixed panel and generate electricity using sunlight to charge the battery of the electric vehicle. ### Claim 2 (depends on 1) The three-type self-power generation system of claim 1, wherein the first power generator includes: a first rotary shaft of which both ends are rotatably coupled to the outer ceiling surface of the electric vehicle and an inner surface of the fixed panel; a wing which is formed on an outer circumferential surface of the first rotary shaft and rotated by wind introduced into the space between the outer ceiling surface of the electric vehicle and the fixed panel to rotate the first rotary shaft; a first rotator which is coupled to an outer circumferential surface of one end of the first rotary shaft and in which a first through hole through which the first rotary shaft passes is formed in a central portion of the first rotator and a plurality of magnets are disposed on an adjacent surface around the first through hole; and a first stator which is fixed to the outer ceiling surface of the electric vehicle and faces the first rotator, in which a first bearing to which the first rotary shaft passing through the first through hole is coupled is formed in a central portion of the first stator, a first stator coil is disposed on an adjacent surface around the first bearing, and which generates the electricity according to rotation of the first rotator to charge the battery of the electric vehicle. ### Claim 3 (depends on 2) The three-type self-power generation system of claim 2, wherein the first magnet includes permanent magnets in which N-pole and S-pole are alternately disposed. ### Claim 4 (depends on 2) The three-type self-power generation system of claim 2, wherein each of the first rotator the first stator is a disc type structure. ### Claim 5 (depends on 2) The three-type self-power generation system of claim 2, wherein: one or more base plates are formed on the inner surface of the fixed panel; a second bearing coupled to the other end of the first rotary shaft is connected to the base plate; and the base plate and the second bearing are connected to an elastic rubber spring which prevents the first rotator from being separated from the first stator. ### Claim 6 (depends on 1) The three-type self-power generation system of claim 1, wherein the second power generator includes: a pair of suspensions which are formed on the lower surface of the electric vehicle and connected to face each other through a connecting shaft; a pair of second stators facing each other which are fixed to both ends of the connecting shaft connecting the suspensions and on which second stator coils for generating the electricity to charge the battery of the electric vehicle are disposed; a second rotator which includes a third bearing to be rotatably coupled to the connecting shaft between the pair of first stators and in which a plurality of second magnets are disposed on both adjacent surfaces around the third bearing so that the plurality of second stator coils generate the electricity; and a tire which is fastened to an outer circumference of the second rotator and comes into contact with a ground surface to rotate the second rotator while the vehicle travels. ### Claim 7 (depends on 6) The three-type self-power generation system of claim 6, wherein the second magnet includes permanent magnets in which N-pole and S-pole are alternately disposed. ### Claim 8 (depends on 6) The three-type self-power generation system of claim 6, wherein: the second stator is a cylindrical structure; and the second rotator is a tire rim-shaped structure which covers an outer surface of one end of the second stator. ### Claim 9 (depends on 6) The three-type self-power generation system of claim 6, wherein facing surfaces of the second stator and the second rotator are formed as an uneven portion formed in a male-female shape for collecting rainwater. ### Claim 10 (depends on 6) The three-type self-power generation system of claim 6, wherein: a board having a suspension holder and a support plate is formed on the lower surface of the electric vehicle; and the suspensions are supported by the support plate. ### Claim 11 (depends on 1) The three-type self-power generation system of claim 1, wherein the third power generator includes one or more sunlight collecting plates. ### Claim 12 (depends on 1) The three-type self-power generation system of claim 1, wherein: electrical charge lines of the first power generator, the second power generator, and the third power generator are connected to the battery or a solar power generator in parallel; an on or off contact part is formed on the electrical charge line to determine whether to charge the battery or the solar power generator; and the on or off the contact part is configured to be controlled by a control switch on a driver's seat of the vehicle.