# US 10,766,347 B2 · Vehicle battery mounting structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,347 B2 - Document ID: US10766347B2 - Status: Granted - Kind: B2 - Application number: 13/202,516 - Filed: 2010-02-19 - Published: 2011-12-08 - Granted: 2020-09-08 - Earliest claimed: 2009-02-24 - Assignees: Nissan Motor Co., Ltd. - Applicants: Makoto Iwasa; Hidetoshi Kadota; Tadayoshi Hashimura; Satoshi Shigematsu; Nobuhiro Mori; Kentaro Hatta - Inventors: Makoto Iwasa; Hidetoshi Kadota; Tadayoshi Hashimura; Satoshi Shigematsu; Nobuhiro Mori; Kentaro Hatta - Web page: https://patentgrep.com/patent/US10766347B2 ## CPC - B60K 1/04: of the electric storage means for propulsion - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - H01M 50/209: adapted for prismatic or rectangular cells (H01M50/216 takes precedence) - 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 2001/0438: {Arrangement under the floor} - B60Y 2306/01: Reducing damages in case of crash, e.g. by improving battery protection - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 90/40: Application of hydrogen technology to transportation, e.g. using fuel cells - 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 - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery unit (38F) comprising a plurality of batteries (3) and a connection control device (35a, 35b, 36a, 36b, 36d, 36e) which controls electrical connection relating to the battery unit (38F) are provided in a vehicle (1). The battery unit (38F) comprises two groups (S1R, S1L) of the batteries (3) disposed to have a space (G) there-between, and the connection control device (35a, 35b, 36a, 36b, 36d, 36e) is disposed in the space (G). The layout of the connection control device (35a, 35b, 36a, 36b, 36d, 36e) is thereby optimized and the length of a harness (34) can be shortened. ## Claims ### Claim 1 A vehicle battery mounting structure for mounting a plurality of batteries under a floor panel of a vehicle, comprising: at least one battery unit comprising a first battery unit which comprises a plurality of the batteries; and a connection control device which controls electrical connection relating to the first battery unit; wherein the first battery unit comprises two groups of the batteries disposed to have a space there-between, the connection control device is disposed in the space, and each of the batteries comprises a terminal projecting from a surface of the battery facing the space toward the space, wherein the vehicle comprises a passenger compartment and the connection control device comprises an operation member which is exposed to the passenger compartment and operated manually therefrom, wherein the passenger compartment comprises a right front seat and a left front seat, and the operation member is disposed in a transversely centermost space in front of a rear seat of the vehicle including a space between the right front seat and the left front seat, and wherein the floor panel covers the operation member from above so as to operate the operation member from within the passenger compartment. ### Claim 2 (depends on 1) The vehicle battery mounting structure as defined in claim 1, wherein the at least one battery unit comprises a second battery unit which comprises a plurality of the batteries and is connected to the first battery unit via the connection control device, and wherein the vehicle comprises electric equipment that uses a power supplied from the first and second battery units, and the first battery unit is located nearer to the electric equipment than the second battery unit. ### Claim 3 (depends on 2) The vehicle battery mounting structure as defined in claim 2, wherein the first battery unit and the second battery unit are spaced apart in a vehicle longitudinal direction, and the two groups of the batteries are spaced apart in a vehicle transverse direction such that the space is formed between the two groups of batteries. ### Claim 4 (depends on 2) The vehicle battery mounting structure as defined in claim 2, wherein the connection control device comprises a switching box and the operation member is provided as a part of the switching box for electrically connecting and disconnecting the first battery unit and the second battery unit. ### Claim 5 (depends on 4) The vehicle battery mounting structure as defined in claim 4, wherein the connection control device further comprises a wire connecting device for controlling a connection between the first and second battery units and the electric equipment. ### Claim 6 (depends on 5) The vehicle battery mounting structure as defined in claim 5, wherein the wire connecting device is disposed nearer to the electric equipment than the switching box. ### Claim 7 (depends on 2) The vehicle battery mounting structure as defined in claim 2, wherein the first battery unit further comprises second two groups of the batteries in the rear of the first two groups of the batteries, and the second two groups of the batteries are disposed to have a space there-between which is continuous with the space between the first two groups of the batteries. ### Claim 8 (depends on 7) The vehicle battery mounting structure as defined in claim 7, wherein a floor located between the front seats and the rear seat are provided in the passenger compartment and the vehicle further comprises a front compartment formed in front of the passenger compartment with respect to a vehicle longitudinal direction for accommodating the electric equipment, the first two groups of the batteries are mounted under the front seats, the second two groups of the batteries are mounted under the floor, and the second battery unit is mounted under the rear seat. ### Claim 9 (depends on 2) The vehicle battery mounting structure as defined in claim 2, further comprising a battery mounting frame in which the first battery unit, the second battery unit, and the connection control device are fitted in advance as a battery assembly so as to be fixed to an underside of the floor panel via the battery mounting frame. ### Claim 10 (depends on 9) The vehicle battery mounting structure as defined in claim 9, wherein the battery mounting frame comprises a rectangular frame having a rectangular planar shape and a reinforcing member fixed to an inside of the rectangular frame. ### Claim 11 (depends on 10) The vehicle battery mounting structure as defined in claim 10, wherein the rectangular frame comprises a front edge member extending in a vehicle transverse direction and the reinforcing member is constituted by a girder fixed to an inside of the rectangular frame in a vehicle transverse direction and a beam connecting the girder and the front edge member, the girder and the beam forming a T-shape in a plan view. ### Claim 12 (depends on 11) The vehicle battery mounting structure as defined in claim 11, wherein the first battery unit is disposed on both sides of the beam in the rectangular frame whereas the second battery unit is disposed on the opposite side of the girder to the beam in the rectangular frame. ### Claim 13 (depends on 9) The vehicle battery mounting structure as defined in claim 9, wherein the vehicle comprises a fixed member for fixing the battery mounting frame. ### Claim 14 (depends on 2) The vehicle battery mounting structure as defined in claim 2, wherein the first battery unit, the second battery unit, and the connection control device are housed in a case in advance and fixed to the underside of the floor panel via the case. ### Claim 15 (depends on 2) The vehicle battery mounting structure as defined in claim 2, wherein the electric equipment comprises an electric motor and a related device as a motive force source for vehicle travel. ### Claim 16 (depends on 1) The vehicle battery mounting structure as defined in claim 1, wherein the connection control device comprises a switching box and the operation member is provided as a part of the switching box for realizing an electrical connection and disconnection within the at least one battery unit, and the battery mounting structure comprises a support that supports the switching box in a position elevated from a base of the space. ### Claim 17 (depends on 16) The vehicle battery mounting structure as defined in claim 16, further comprising a case for accommodating the at least one battery unit, wherein the case and the floor panel have an opening facing the switching box. ### Claim 18 (depends on 16) The vehicle battery mounting structure as defined in claim 16, wherein the support comprises a deck on which the switching box is fixed and leg parts that support the deck. ### Claim 19 (depends on 16) The vehicle battery mounting structure as defined in claim 16, wherein the support comprises a supporting plate that straddles the two groups of the batteries and is fixed thereto, and the switching box is fixed to the supporting plate. ### Claim 20 (depends on 1) The vehicle battery mounting structure according to claim 1, wherein the operation member is disposed in the space between the right front seat and the left front seat. ### Claim 21 A battery assembly comprising a plurality of batteries and mounted under a floor panel of a vehicle, comprising: a battery unit comprising a plurality of batteries; and a connection control device which controls electrical connection relating to the battery unit; wherein the battery unit comprises two groups of the batteries disposed to have a space there-between, the connection control device is disposed in the space, and each of the batteries comprises a terminal projecting from a surface of the battery facing the space toward the space; wherein the vehicle comprises a passenger compartment and the connection control device comprises an operation member which is exposed to the passenger compartment and operated manually therefrom; wherein the passenger compartment comprises a right front seat and a left front seat, and the operation member is disposed in a transversely centermost space in front of a rear seat of the vehicle including a space between the right front seat and the left front seat, and wherein the floor panel covers the operation member from above so as to operate the operation member from within the passenger compartment. ### Claim 22 (depends on 21) The battery assembly according to claim 21, wherein the operation member is disposed in the space between the right front seat and the left front seat.