# US 7,743,863 B2 · Carrying structure for a vehicle battery pack > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,743,863 B2 - Document ID: US7743863B2 - Status: Granted - Kind: B2 - Application number: 11/819,490 - Filed: 2007-06-27 - Published: 2008-01-03 - Granted: 2010-06-29 - Earliest claimed: 2006-06-28 - Assignees: Nissan Motor Co., Ltd. - Inventors: Tatsuya Shindou - Web page: https://patentgrep.com/patent/US7743863B2 ## CPC - B60K 1/04: of the electric storage means for propulsion - B60L 53/80: Exchanging energy storage elements, e.g. removable batteries - H01M 50/202: Casings or frames around the primary casing of a single cell or a single battery - H01M 50/244: Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - B60K 2001/0433: {Arrangement under the rear seats} - H01M 10/052: Li-accumulators - H01M 10/345: {Gastight metal hydride accumulators} - Y02E 60/10: Energy storage using batteries - 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 - 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 - 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 - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A carrying structure for a vehicle battery includes a vehicle floor panel having a step portion that rises upward toward a rear of the vehicle. A battery is arranged at the step portion for feeding electric power to a driving motor that drives driving wheels of the vehicle. A seat is arranged above the battery, and a tip-up mechanism enables the seat to tip up toward a front of the vehicle with a front part of the seat serving as a rotational pivot. ## Claims ### Claim 1 A carrying structure for a vehicle battery for feeding electric power to a driving motor that drives driving wheels of a vehicle, the carrying structure comprising: a vehicle floor panel having a step portion including a lower floor panel and an upper floor panel each inclined upward toward a rear of the vehicle; a battery accommodating part formed between the lower floor panel and the upper floor panel for accommodating the battery; a seat accommodating part for accommodating a seat arranged above the battery; and a tip-up mechanism that enables the seat to tip up toward a front of the vehicle with a front part of the seat serving as a rotational pivot; and a fuel tank accommodating part below the floor panel for accommodating a fuel tank having a fuel pump in an upper portion toward the rear of the vehicle with respect to the battery accommodating part; the vehicle floor panel including an opening above the fuel pump area that can be readily opened and closed. ### Claim 2 (depends on 1) The carrying structure for a vehicle battery according to claim 1, wherein the rotational pivot for the tip-up mechanism is arranged toward the front of the vehicle with respect to the battery accommodating part. ### Claim 3 (depends on 2) The carrying structure for a vehicle battery according to claim 2, wherein the battery accommodating part includes a battery removal part that can be opened/closed freely in an upper area toward the rear of the vehicle. ### Claim 4 (depends on 2) The carrying structure for a vehicle battery according to claim 2, wherein the battery accommodating part includes a connector that connects to a wire that feeds electric power from the battery to the driving motor of the vehicle. ### Claim 5 (depends on 2) The carrying structure for a vehicle battery according to claim 2, wherein the battery accommodating part includes guide members along two lateral sides tor guiding the battery. ### Claim 6 (depends on 5) The carrying structure for a vehicle battery according to claim 5, wherein the guide members include a securing means for securing the battery pack. ### Claim 7 (depends on 1) The carrying structure for a vehicle battery according to claim 1, wherein the seat is a rear seat. ### Claim 8 (depends on 1) The carrying structure for a vehicle battery according to claim 1, wherein the battery is a battery pack. ### Claim 9 (depends on 1) The carrying structure for a vehicle battery according to claim 1, wherein the battery is a secondary battery.