Electrical vehicle charging device having a brake to prevent extension and retraction of the power conduit
First Claim
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1. An electric vehicle charging device for charging a power storage device of an electric vehicle, said electric vehicle charging device comprising:
- a housing,a power conduit configured to couple to the electric vehicle to deliver current to the electric vehicle'"'"'s power storage device to charge the power storage device, said power conduit comprising a connector configured to connect said power conduit to the electric vehicle;
a cable reel assembly coupled to said housing and to said power conduit, said cable reel assembly configured to permit extension of a portion of said power conduit from said housing and retraction of the portion of said power conduit into said housing, said cable reel assembly comprising a brake configured to selectively prevent extension and retraction of said power conduit relative to said housing; and
an electronic controller within said housing, said controller configured to selectively enable said brake to prevent extension and retraction of said power conduit relative to said housing in response to a signal indicating said connector is connected to the electric vehicle.
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Abstract
A charging device for use with a power storage device includes a housing, a power conduit configured to deliver current to the power storage device, and a cable reel assembly coupled to the housing and to the power conduit. The cable reel assembly is configured to permit extension of a portion of said power conduit from said housing and to retract the portion of said power conduit into said housing.
42 Citations
20 Claims
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1. An electric vehicle charging device for charging a power storage device of an electric vehicle, said electric vehicle charging device comprising:
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a housing, a power conduit configured to couple to the electric vehicle to deliver current to the electric vehicle'"'"'s power storage device to charge the power storage device, said power conduit comprising a connector configured to connect said power conduit to the electric vehicle; a cable reel assembly coupled to said housing and to said power conduit, said cable reel assembly configured to permit extension of a portion of said power conduit from said housing and retraction of the portion of said power conduit into said housing, said cable reel assembly comprising a brake configured to selectively prevent extension and retraction of said power conduit relative to said housing; and an electronic controller within said housing, said controller configured to selectively enable said brake to prevent extension and retraction of said power conduit relative to said housing in response to a signal indicating said connector is connected to the electric vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of operating an electric vehicle charging device including a housing, an electronic controller, and a retractable power conduit coupled to a cable reel within the housing, the retractable power conduit including a connector configured to connect to the electric vehicle, the charging device configured to deliver current to a power storage device in an electric vehicle, said method comprising:
selectively locking the power conduit by the electronic controller to prevent extension and retraction of the power conduit relative to the housing in response to a signal indicating the connector is connected to the electric vehicle to deliver current to the power storage device. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An electric vehicle charging device for charging a power storage device of an electric vehicle, said electric vehicle charging device comprising:
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a housing, a power conduit including a connector configured to connect to the electric vehicle, said power conduit configured to deliver current to a power storage device in the electric vehicle; and a cable reel assembly coupled to said housing and to said power conduit, said cable reel assembly comprising; a cable reel configured to permit extension of said power conduit from said housing and to retract said power conduit into said housing; and a brake coupled to said cable reel, said brake configured to selectively prevent both extension and retraction of said power conduit in response to said connector connecting to the electric vehicle to deliver current to the power storage device in the electric vehicle. - View Dependent Claims (17, 18, 19, 20)
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Specification