# US 8,739,908 B2 · Motor driven vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,739,908 B2 - Document ID: US8739908B2 - Status: Granted - Kind: B2 - Application number: 13/326,610 - Filed: 2011-12-15 - Published: 2012-06-28 - Granted: 2014-06-03 - Earliest claimed: 2010-12-22 - Assignees: Honda Motor Co., Ltd. - Applicants: Yoichi Taniguchi; Atsushi Yonehana - Inventors: Yoichi Taniguchi; Atsushi Yonehana - Web page: https://patentgrep.com/patent/US8739908B2 ## CPC - B60L 50/60: using power supplied by batteries (in combination with fuel cells B60L50/75) - B60R 16/04: Arrangement of batteries - B62J 43/16: on motorcycles or the like - B62J 43/20: characterised by the mounting - B62K 11/10: characterised by the engine being over or beside driven rear wheel - B62K 25/283: {for cycles without a pedal crank, e.g. motorcycles} - B60L 2200/12: Bikes - B62K 2202/00: Motorised scooters - B62K 2204/00: Adaptations for driving cycles by electric motor - B62M 7/12: with the engine beside or within the driven wheel - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 90/16: Information or communication technologies improving the operation of electric 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 - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS - B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE - B62M: RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR {SINGLE-TRACK} CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES (arrangements or mounting of transmissions in vehicles in general B60K; transmission elements per se F16) - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A motor driven vehicle can include a swing arm swingably mounted to a vehicle body of a motor driven vehicle, and housing an electric motor driving a drive wheel of the vehicle. A pipe-like duct can have one end side connected to a hole communicating with an inside space of the swing arm, and another end side extending toward a vehicle body side. A harness, configured to drive the electric motor, can be inserted through the duct. ## Claims ### Claim 1 A motor driven vehicle, comprising: a swing arm swingably mounted to a vehicle body of the motor driven vehicle and housing an electric motor driving a drive wheel of the motor driven vehicle; a pipe-like duct having one end side connected to a hole communicating with an inside space of the swing arm and another end side extending toward a vehicle body side; and a battery configured to supply electric power to the electric motor, said battery being housed in the swing arm, wherein a harness, configured to drive the electric motor, is inserted through the duct, and the harness includes a line connected to an external power source to charge at least the battery. ### Claim 2 (depends on 1) The motor driven vehicle according to claim 1, wherein the electric motor is disposed in the swing arm at a position close to a rear of the vehicle body, wherein the swing arm is swingably mounted to the vehicle body by a swing shaft provided on the swing arm at a position close to a front of the vehicle body, and wherein the duct is attached on the one end side to an upper surface of the swing arm at a position close to the front of the vehicle body. ### Claim 3 (depends on 1) The motor driven vehicle according to claim 1, wherein the duct is connected on the other end side to a vehicle body side connecting portion disposed on the motor driven vehicle. ### Claim 4 (depends on 3) The motor driven vehicle according to claim 3, wherein the motor driven vehicle comprises a scooter-type motor driven two-wheeled vehicle, and wherein the vehicle body side connecting portion comprises a storage box installed below a seat of the motor driven vehicle. ### Claim 5 (depends on 1) The motor driven vehicle according to claim 1, further comprising: a control unit for the electric motor, wherein a battery and the control unit are housed in an inside of the swing arm, and wherein the harness is connected to the control unit inside the swing arm. ### Claim 6 (depends on 5) The motor driven vehicle according to claim 5, wherein the swing arm includes a main body case comprising a wide case portion housing the battery, and a cantilever arm portion supporting the drive wheel, and wherein the control unit is disposed to overlap the wide case portion and the cantilever arm portion as viewed from the side of the vehicle body, and disposed close to a vehicle-body front side of the electric motor. ### Claim 7 (depends on 1) The motor driven vehicle according to claim 1, further comprising: a guide engaged with a guide groove formed on the battery, said guide being disposed on a wall surface between housing spaces defined by a main body case housing the battery so as to extend along an insertion direction of the battery. ### Claim 8 (depends on 1) The motor driven vehicle according to claim 1, wherein a main body case housing the battery is configured to receive the battery inserted thereinto from any one of a left and right in a vehicle-width direction, and is configured to be divided into at least two parts in the vehicle-width direction. ### Claim 9 (depends on 1) The motor driven vehicle according to claim 1, wherein the pipe-like duct comprises an air duct. ### Claim 10 (depends on 1) The motor driven vehicle according to claim 1, wherein the pipe-like duct comprises a cooling duct. ### Claim 11 A motor driven vehicle, comprising: swing arm means swingably mounted to a vehicle body of the motor driven vehicle, for housing an electric motor driving a drive wheel of the motor driven vehicle; duct means for enabling air to move into an inside of the swing arm means, said duct means having one end side connected to a hole communicating with an inside space of the swing arm means, and another end side extending toward a vehicle body side; harness means for making electrical connections to the electric motor, said harness means passing through the duct means; and energy storage means configured to supply electric power to the electric motor, said energy storage means being housed in the swing arm means, wherein the harness means includes a line connected to an external power source to charge at least the energy storage means. ### Claim 12 (depends on 11) The motor driven vehicle according to claim 11, wherein the electric motor is disposed in the swing arm means at a position close to a rear of the vehicle body, wherein the swing arm means is swingably mounted to the vehicle body by swing shaft means provided on the swing arm means at a position close to a front of the vehicle body, and wherein the duct means is attached on the one end side to an upper surface of the swing arm means at a position close to the front of the vehicle body. ### Claim 13 (depends on 11) The motor driven vehicle according to claim 11, wherein the duct means is connected on the other end side to a vehicle body side connecting portion disposed on the motor driven vehicle. ### Claim 14 (depends on 13) The motor driven vehicle according to claim 13, wherein the motor driven vehicle comprises a scooter-type motor driven two-wheeled vehicle, and wherein the vehicle body side connecting portion comprises storage box means for storage disposed below a seat of the motor driven vehicle. ### Claim 15 (depends on 11) The motor driven vehicle according to claim 11, further comprising control means for controlling the electric motor, wherein an energy storage means and the control means are housed in an inside of the swing arm means, and wherein the harness means is connected to the control means inside the swing arm means. ### Claim 16 (depends on 15) The motor driven vehicle according to claim 15, wherein the swing arm means includes a main body case comprising a wide case portion housing the energy storage means, and a cantilever arm portion supporting the drive wheel, and wherein the control means is disposed to overlap the wide case portion and the cantilever arm portion as viewed from the side of the vehicle body, and disposed close to a vehicle-body front side of the electric motor. ### Claim 17 (depends on 11) The motor driven vehicle according to claim 11, further comprising guide means engaging with a guide groove formed on the energy storage means, said guide means being disposed on a wall surface between housing spaces defined by a main body case housing the energy storage means, so as to extend along an insertion direction of the energy storage means. ### Claim 18 (depends on 11) The motor driven vehicle according to claim 11, wherein a main body case housing the energy storage means is configured to receive the energy storage means inserted thereinto from any one of a left and right in a vehicle-width direction, and is configured to be divided into at least two parts in the vehicle-width direction. ### Claim 19 (depends on 11) The motor driven vehicle according to claim 11, wherein the duct means comprises an air duct means. ### Claim 20 (depends on 11) The motor driven vehicle according to claim 11, wherein the duct means comprises a cooling duct means.