Coil of charging paddle
First Claim
Patent Images
1. A coil used in an inductive charging paddle, wherein the coil is located about a core, which is located in the paddle, and wherein the coil is connected to an electricity supplying apparatus through a cable, the coil comprising:
- a litz wire comprising a bundle of strands; and
a coating for coating the litz wire, wherein the coating comprises a heat-shrinkable resin, and wherein the coating is heat shrunk for tightly holding the strands together.
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Abstract
An inductive charging paddle includes a coil, which is located about a core. The coil is connected to an electricity supplying apparatus through a cable. The coil includes a bobbin and a line wound about the bobbin. The line includes a litz wire and a tubing for coating the litz wire. The tubing is made of a heat-shrinkable resin and is heat shrunk for holding strands of the litz wire together. The strands in the litz wire are prevented from rubbing against each other by a simple structure.
7 Citations
18 Claims
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1. A coil used in an inductive charging paddle, wherein the coil is located about a core, which is located in the paddle, and wherein the coil is connected to an electricity supplying apparatus through a cable, the coil comprising:
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a litz wire comprising a bundle of strands; and
a coating for coating the litz wire, wherein the coating comprises a heat-shrinkable resin, and wherein the coating is heat shrunk for tightly holding the strands together. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A coil used in an inductive charging paddle, wherein the coil is located about a core, which is located in the paddle, and wherein the coil is connected to an electricity supplying apparatus through a cable, the coil comprising:
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a bobbin;
a litz wire wound about the bobbin, wherein the litz wire comprises a bundle of twisted, enameled strands; and
a tubing that covers the litz wire, wherein the tubing comprises a heat-shrinkable resin, and wherein the tubing is heat shrunk for tightly holding the strands of the litz wire together. - View Dependent Claims (11)
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12. An inductive charging paddle, comprising:
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(a) a core, and (b) a coil located about said core, said coil comprising;
(1) a litz wire comprising a bundle of strands; and
(2) a coating for coating the litz wire, wherein the coating comprises a heat-shrinkable resin, and wherein the coating is heat shrunk for tightly holding the strands together, wherein the coil is connected to an electricity supplying apparatus through a cable. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification