An electric vehicle which can cool a power unit by cold airstreams without causing dew drops and a temperature rise in a vehicle interior is provided. The electric vehicle travels by operating a motor, and includes a duct having one end joined to the air conditioning unit and the other end joined to
An electric vehicle which can cool a power unit by cold airstreams without causing dew drops and a temperature rise in a vehicle interior is provided. The electric vehicle travels by operating a motor, and includes a duct having one end joined to the air conditioning unit and the other end joined to the power unit and serving as an airstream flow path via which cold airstreams are guided from an air conditioning unit to the power unit. The duct is shaped in accordance with a shape of a vehicle interior near a front passenger's seat, and being positioned under a floor at the front passenger's seat.
대표청구항▼
1. An electric vehicle, comprising: a motor;a power unit for driving the motor;an air conditioning unit; anda cooling structure for cooling the power unit of the electric vehicle, the cooling structure including a duct which has a first end joined to the air conditioning unit and a second end joined
1. An electric vehicle, comprising: a motor;a power unit for driving the motor;an air conditioning unit; anda cooling structure for cooling the power unit of the electric vehicle, the cooling structure including a duct which has a first end joined to the air conditioning unit and a second end joined to the power unit, the duct defining an airstream flow path through which cold airstreams from the air conditioning unit is guided to the power unit, the duct being shaped in accordance with a shape of a vehicle interior near a front passenger side, and provided under the front passenger side,wherein the second end has an opening which is positioned higher than a lowest bottom surface of the duct,the duct has a plurality of ribs near the floor, the ribs dividing the airstream flow path,the duct has a shoulder extending from the first end of an intermediate part thereof, the first end of the duct and the shoulder at the intermediate part thereof are housed in a center console that defines an interior of the electric vehicle, andthe shoulder is shaped in accordance with a shape of the center console. 2. The electric vehicle defined in claim 1, wherein the duct is housed in a space defined by a bulk material, the floor and a carpet on the floor. 3. The electric vehicle defined in claim 1, wherein the lowest portion of the duct is at an intermediate portion of the duct. 4. The electric vehicle defined in claim 1, wherein an annular rubber packing is attached around the opening for sealing a joint between the opening and an air inlet. 5. A cooling structure for cooling a battery unit of an electric vehicle that drives a motor, comprising: a duct having a first end joined to an air conditioning unit and a second end joined to a power unit, the duct defining an airstream flow path through which cold airstreams from the air conditioning unit is guided to the battery unit, the duct being shaped in accordance with a shape of a vehicle interior near a front passenger side, and provided under the front passenger side,wherein the second end has an opening which is positioned higher than a lowest portion of the duct,the duct has a plurality of ribs near the floor, the ribs dividing the air flow path,the duct has a plurality of ribs near the floor, the ribs dividing the airstream flow path,the duct has a shoulder extending from the first end of an intermediate part thereof, the first end of the duct and the shoulder at the intermediate part thereof are housed in a center console that defines an interior of the electric vehicle, andthe shoulder is shaped in accordance with a shape of the center console. 6. The cooling structure defined in claim 5, wherein the lowest portion of the duct is positioned at an intermediate portion of the duct. 7. The cooling structure defined in claim 5, wherein the duct is housed in a space defined by a bulk material, the floor and a carpet on the floor. 8. The cooling system as defined in claim 5, wherein an annular rubber packing is attached around the opening for sealing a joint between the opening and an air inlet.
Misu, Masahiro; Shukuya, Keiji; Hatta, Yurio; Tanigawa, Yuji; Minekawa, Hideto, Vehicle power source device wherein cooling air is introduced into battery casing through opening formed through vehicle floor.
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