DEVICE FOR INDUCTIVELY CHARGING AT LEAST ONE ELECTRIC ENERGY STORE OF AN ELECTRIC VEHICLE
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Abstract
The invention relates to systems, devices, and components for inductively charging an electric energy store of an electric vehicle (1) via a charging section (2). The device includes a registration device (20) for localizing the electric vehicle (1) on the charging section (2), an electrical energy source (3) preferably embodied as a high-frequency-energy source, a system of primary conductor loops each with at least one primary winding provided in the charging section (2) for supplying AC current via the electrical energy source (3), a secondary conductor loop arranged on the electric vehicle (1) having at least one secondary winding at least partially permeated by the induction flux, an energy supply line (4),and switching devices (5) for connecting the energy supply line (4) and the system of the primary conductor loops to the electrical energy source (3). All primary conductor loops of the charging section (2), and the secondary conductor loop may be implemented as double dipole loops (6,7,8).
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Citations
35 Claims
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1-15. -15. (canceled)
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16. A system for charging electric vehicles comprising:
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an electric vehicle; a charger; a charger-side registration device configured to register presence of said electric vehicle; an electrical energy source configured to supply AC current; a charger energy supply line connected to said energy source; at least one primary-conductor loop unit in said charger; a first loop half in said at least one primary-conductor loop unit; a second loop half in said at least one primary-conductor loop unit, said second loop half and said first loop half being arranged side-by-side to pass current in mutually opposite sense and to form a double dipole loop; at least one switching unit configured to controllably connect said energy supply line to said at least one primary-conductor loop unit, said at least one switching unit being assigned to said at least one primary-conductor loop unit; said charger energy supply line extending in a branched feed line; an unbranched return conductor line, said return conductor line having a return conductor end; an ending switching unit, said return conductor end being short-circuited to a terminal of said ending switching unit; and
,a secondary conductor loop unit configured for magnetic coupling to said primary conductor loop unit, said secondary conductor loop unit being arranged on said electric vehicle. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A charger comprising:
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a charger-side registration device configured to register signaling for charging; an electrical energy source configured to supply AC current; a charger energy supply line connected to said energy source; at least one primary-conductor loop unit in said charger; a first loop half in said at least one primary-conductor loop unit; a second loop half in said at least one primary-conductor loop unit, said second loop half and said first loop half being arranged side-by-side to pass current in mutually opposite sense and to form a double dipole loop; at least one switching unit configured to controllably connect said energy supply line to said at least one primary-conductor loop unit, said at least one switching unit being assigned to said at least one primary-conductor loop unit; said charger energy supply line extending in a branched feed line; an unbranched return conductor line, said return conductor line having a return conductor end; an ending switching unit, said return conductor end being short-circuited to a terminal of said ending switching unit.
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Specification