Electric power unit
First Claim
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1. An electric power unit disposed in an electric car having a passenger compartment and a trunk room, said electric power unit comprising:
- a secondary battery;
a pair of cooling fans for cooling said secondary battery;
a fan motor for driving said pair of cooling fans; and
a battery case having an air inlet and an air outlet for accommodating said secondary battery, said cooling fan and said fan motor, wherein said battery case has a partition for interrupting transmission of heat from said secondary battery and of dust from said cooling fan to said fan motor, wherein said air inlet is connected to said passenger compartment, and, wherein said air outlet is selectively connected to said trunk room.
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Abstract
An electric power unit is composed of a secondary battery, a cooling fan, a fan motor and a case for the secondary battery, the cooling fan and the fan motor. The case has a partition for isolating the fan motor from the secondary battery and cooling fan. A magnetic joint is disposed between the motor and the cooling fan.
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Citations
5 Claims
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1. An electric power unit disposed in an electric car having a passenger compartment and a trunk room, said electric power unit comprising:
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a secondary battery;
a pair of cooling fans for cooling said secondary battery;
a fan motor for driving said pair of cooling fans; and
a battery case having an air inlet and an air outlet for accommodating said secondary battery, said cooling fan and said fan motor, wherein said battery case has a partition for interrupting transmission of heat from said secondary battery and of dust from said cooling fan to said fan motor, wherein said air inlet is connected to said passenger compartment, and, wherein said air outlet is selectively connected to said trunk room. - View Dependent Claims (2, 3, 4)
an input member having a plurality of permanent magnet members, said input member being connected to said fan motor, and an output member having a plurality of permanent magnets disposed opposite said plurality of permanent magnets of said input member, said output member being connected to said pair of cooling fans, and wherein said partition is disposed between said input member and said output member.
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4. The electric power unit as claimed in claim 3, wherein said pair of cooling fans, said magnetic joint, and said fan motor are linked in a line transverse to said electric car.
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5. An electric power unit disposed in an electric car having a passenger compartment and a trunk room, said electric power unit comprising:
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a secondary battery;
a cooling fan for cooling said secondary battery;
a fan motor for driving said cooling fan; and
a battery case having an air inlet and an air outlet for accommodating said secondary battery, said cooling fan and said fan motor, wherein said battery case has a partition for interrupting transmission of heat from said secondary battery and dust from said cooling fan to said fan motor, wherein said air inlet is connected to said passenger compartment, and, wherein said air outlet is selectively connected to said trunk room.
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Specification