Concentric connector for electric vehicles
First Claim
Patent Images
1. An electrical connection system, comprising:
- a socket extending longitudinally from a proximal socket end to a distal socket end, and including an inner socket-protrusion defining a longitudinally extending inner socket-aperture, an intermediate socket-protrusion concentrically extending around the inner socket-protrusion to form an intermediate socket-aperture therebetween, and an outer socket-protrusion concentrically extending around the intermediate socket-protrusion to form an outer socket-aperture therebetween, wherein each socket-aperture has an open distal end and an inward-facing electrical conductor that extends to a respective conductor-distance from the proximal end of the socket; and
a plug extending longitudinally from a proximal plug end to a distal plug end, and including an inner plug-protrusion, an intermediate plug-protrusion concentrically extending around the inner plug-protrusion, and an outer plug-protrusion concentrically extending around the intermediate plug-protrusion, each plug-protrusion being configured with an outward-facing electrical conductor that extends a respective conductor-distance from the proximal end of the plug and is configured to be conformingly received within the respective socket-aperture by the inward-facing conductor of the respective socket-protrusion;
wherein the sum of the conductor-distances of the outer plug-protrusion and the outer socket-protrusion is larger than the sum of the conductor-distances of the inner plug-protrusion and the inner socket-protrusion; and
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Abstract
An electrical connection system including a triaxial socket and a triaxial plug, each having three concentric contacts—an inner, an intermediate and an outer contact. In the process of connecting, the outer contacts connect first, the inner contacts connect second, and the intermediate contacts connect third. All contacts except the plug inner contact are connected to an insulator that covers one radial side of the contact, and extends past and over the end of the contact. Two of the insulators isolate the inner contacts from the intermediate contacts prior to either of their connections being made.
38 Citations
28 Claims
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1. An electrical connection system, comprising:
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a socket extending longitudinally from a proximal socket end to a distal socket end, and including an inner socket-protrusion defining a longitudinally extending inner socket-aperture, an intermediate socket-protrusion concentrically extending around the inner socket-protrusion to form an intermediate socket-aperture therebetween, and an outer socket-protrusion concentrically extending around the intermediate socket-protrusion to form an outer socket-aperture therebetween, wherein each socket-aperture has an open distal end and an inward-facing electrical conductor that extends to a respective conductor-distance from the proximal end of the socket; and a plug extending longitudinally from a proximal plug end to a distal plug end, and including an inner plug-protrusion, an intermediate plug-protrusion concentrically extending around the inner plug-protrusion, and an outer plug-protrusion concentrically extending around the intermediate plug-protrusion, each plug-protrusion being configured with an outward-facing electrical conductor that extends a respective conductor-distance from the proximal end of the plug and is configured to be conformingly received within the respective socket-aperture by the inward-facing conductor of the respective socket-protrusion; wherein the sum of the conductor-distances of the outer plug-protrusion and the outer socket-protrusion is larger than the sum of the conductor-distances of the inner plug-protrusion and the inner socket-protrusion; and - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A charging station for charging a rechargeable device having a device electrical connector, comprising
a base unit configured with an electrical ground, and with a power source having a first lead and a second lead; -
a station electrical connector being configured to engage with the device electrical connector, and having a proximal end and three electrically isolated, concentric conductors including an inner-conductor, an intermediate-conductor and an outer-conductor, wherein each socket-conductor distally extends a respective conductor-distance from the proximal end of the socket; and a transmission cable physically connecting the base unit to the station electrical connector and electrically connecting the first lead to the inner-conductor, the second lead to the intermediate-conductor, and the electrical ground to the outer-conductor; wherein the outer-conductor conductor-distance is greater than the inner-conductor conductor-distance; and wherein the outer-conductor conductor-distance is greater than the intermediate-conductor conductor-distance. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A rechargeable device that is rechargeable by a charging station having a station electrical connector, a base unit configured with an electrical ground, a power source having a first lead and a second lead;
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a body forming a ground for the rechargeable device; a battery having a first lead and a second lead; a device electrical connector configured to engage with the station electrical connector, and having a proximal end and three electrically isolated, concentric conductors including an inner-conductor, an intermediate-conductor and an outer-conductor, wherein each conductor distally extends a respective conductor-distance from the proximal end of the socket; and wherein the power source first lead is electrically connected to the inner-conductor, the power source second lead is electrically connected to the intermediate-conductor, and the body is electrically connected to the outer-conductor; wherein the outer-conductor conductor-distance is greater than the inner-conductor conductor-distance; and wherein the outer-conductor conductor-distance is greater than the intermediate-conductor conductor-distance. - View Dependent Claims (19, 20)
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21. A method of charging a rechargeable device having a first connector including inner, intermediate and outer concentric conductors, using a recharging station having a power source and having a second connector including inner, intermediate and outer concentric conductors, comprising:
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connecting the second connector outer conductor to a ground; electrically connecting the first-connector outer conductor and the second-connector outer conductor; after the first- and second-connector outer conductors are connected, then electrically connecting the first-connector inner conductor and the second-connector inner conductor; after the first- and second-connector inner conductors are connected, then electrically connecting the first-connector intermediate conductor and the second-connector intermediate conductor; and after the first- and second-connector intermediate conductors are connected, then connecting the second connector inner and intermediate conductors to the power source. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A electrical connection system, comprising:
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a socket having a proximal end and three electrically isolated, concentric conductors including an inner socket-conductor, an intermediate socket-conductor and an outer socket-conductor, wherein each socket-conductor distally extends a respective conductor-distance from the proximal end of the socket; and a plug having a proximal end and three electrically isolated, concentric conductors including an inner plug-conductor, an intermediate plug-conductor and an outer plug-conductor, wherein each plug-conductor distally extends a respective conductor-distance from the proximal end of the plug, and wherein each socket-conductor is configured to cooperatively receive its respective plug-conductor; wherein the sum of the plug outer-conductor conductor-distance plus the socket outer-conductor conductor-distance is greater than the sum of the plug inner-conductor conductor-distance plus the socket inner-conductor conductor-distance. - View Dependent Claims (28)
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Specification