# US 10,245,955 B2 · Vehicle capable of suppressing an impact to battery units at a time of collision > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,955 B2 - Document ID: US10245955B2 - Status: Granted - Kind: B2 - Application number: 15/791,749 - Filed: 2017-10-24 - Published: 2018-04-26 - Granted: 2019-04-02 - Earliest claimed: 2016-10-25 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Shinya Nakayama - Web page: https://patentgrep.com/patent/US10245955B2 ## CPC - B60L 3/0007: {Measures or means for preventing or attenuating collisions} - B60K 1/04: of the electric storage means for propulsion - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - B60L 50/66: {Arrangements of batteries} - B62D 21/11: with resilient means for suspension {, e.g. of wheels or engine; sub-frames for mounting engine or suspensions} - B62D 21/155: {Sub-frames or underguards} - B60K 2001/0416: {Arrangement in the rear part of the vehicle} - B60K 2001/0422: {Arrangement under the front seats} - B60K 2001/0433: {Arrangement under the rear seats} - B60K 2001/0438: {Arrangement under the floor} - B60L 2210/10: DC to DC converters - B60Y 2200/91: Electric vehicles - B60Y 2306/01: Reducing damages in case of crash, e.g. by improving battery protection - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/72: Electric energy management in electromobility - 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 - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A vehicle includes: a first battery unit including a front module group which has a plurality of battery modules and which is arranged under a front seat of the vehicle, a middle module group which has a plurality of battery modules and which is arranged under a rear seat of the vehicle, and a front casing accommodating the front module group and the middle module; and a second battery unit including a rear module group which has a plurality of battery modules and which is arranged in a rear portion of the vehicle, and a rear casing accommodating the rear module group. The front casing and the rear casing are independently fixed to a skeletal structure of the vehicle, and a space is provided between the front casing and the rear casing. ## Claims ### Claim 1 A vehicle comprising: a first battery unit comprising a front module group which has a plurality of battery modules and which is arranged under a front seat of the vehicle, a middle module group which has a plurality of battery modules and which is arranged under a rear seat of the vehicle, and a front casing accommodating the front module group and the middle module; a second battery unit comprising a rear module group which has a plurality of battery modules and which is arranged in a rear portion of the vehicle, and a rear casing accommodating the rear module group; and a rear sub frame arranged in a region surrounding the second battery unit, wherein the front casing and the rear casing are independently fixed to a skeletal structure of the vehicle, a space is provided between the front casing and the rear casing, a front frame of the rear sub frame is arranged in the space, and the front frame is overlapped with the front casing and the rear casing in a vertical direction. ### Claim 2 (depends on 1) The vehicle according to claim 1, wherein the first battery unit and the second battery unit are arranged under a floor panel, and the front casing and the rear casing are fixed to the skeletal structure from below the vehicle. ### Claim 3 (depends on 1) The vehicle according to claim 1, wherein the second battery unit is fixed to the skeletal structure via the rear sub frame. ### Claim 4 (depends on 1) The vehicle according to claim 1, wherein a cross member connected across the skeletal structure is arranged above the front frame. ### Claim 5 (depends on 4) The vehicle according to claim 4, wherein a high voltage system equipment is arranged together with the front module group and the middle module group in the front casing of the first battery unit, and a harness extending from the rear module group of the second battery to the high voltage system equipment of the first battery unit is arranged under the front frame. ### Claim 6 (depends on 5) The vehicle according to claim 5, wherein the front module group and the middle module group are connected to the high voltage system equipment through a high voltage wiring, and the high voltage system equipment and the high voltage wiring are arranged at a middle portion of the front casing in a widthwise direction of the vehicle. ### Claim 7 (depends on 1) The vehicle according to claim 1, wherein a first maintenance checking plug that interrupts input and output of electricity of the front module group and a second maintenance checking plug that interrupts input and output of electricity of the middle module group are arranged to be adjacent to each other in the first battery unit, the first casing is provided with a first opening, and the first maintenance checking plug and the second maintenance checking plug are operable through the first opening. ### Claim 8 (depends on 7) The vehicle according to claim 7, wherein the first battery unit and the second battery unit are arranged under a floor panel, and the first maintenance checking plug and the second maintenance checking plug are operable through a first panel opening provided in the floor panel. ### Claim 9 (depends on 8) The vehicle according to claim 8, wherein a third maintenance checking plug that interrupts input and output of electricity of the rear module group is arranged in the second battery unit, the rear casing is provided with a second opening, and the third maintenance checking plug is operable through the second opening and through a second panel opening provided in the floor panel. ### Claim 10 (depends on 1) The vehicle according to claim 1, wherein the rear module group is arranged under a luggage compartment. ### Claim 11 A vehicle comprising: a driving unit which is arranged in a front portion of a vehicle and which drives wheels of the vehicle; a front driving power source which arranged under a front seat of the vehicle and which supplies fuel or electric power to the driving unit; a middle driving power source which is arranged under a rear seat of the vehicle and which supplies fuel or electric power to the driving unit; a rear driving power source which is arranged in a rear portion of the vehicle and which supplies fuel or electric power to the driving unit; and a rear sub frame arranged in a region surrounding the rear driving power source, wherein the front driving power source and the middle driving power source are accommodated in a front casing, the rear driving power source is accommodated in a rear casing, the front casing and the rear casing are independently fixed to a skeletal structure of the vehicle, a space is provided between the front casing and the rear casing, a front frame of the rear sub frame is arranged in the space, and the front frame is overlapped with the front casing and the rear casing in a vertical direction. ### Claim 12 (depends on 8) The vehicle according to claim 8, wherein the rear sub frame surrounds the second battery unit on a front side, a back side, a left side, and a right side of the second battery unit.