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US 12,589,663 B2Granted
Robotic electromagnetic electric vehicle charging system
AssigneePrezent Energy Corporation
InventorD Kevin Cameron
Life of this patent
Estimating the term…
Abstract
A system, method, and apparatus for wirelessly charging a load. A primary transformer coil from an energy source is provided to interface with a load application with a secondary transformer coil. The method of charging is independent of resonance frequency.
Claims26
An electrical charging unit for a wireless transfer of energy, the electrical charging unit comprising:
- one or more first windings mateable with one or more mating windings for the wireless transfer of energy between the one or more first windings and the one or more mating windings;
- a first ferromagnetic core around which the one or more first windings are disposed;
- and wherein:
- the one or more first windings are not conductively coupleable to the one or more mating windings;
- the one or more first windings are not required to be disposed in a plane;
- the one or more first windings function as primary windings to source energy;
- the one or more first windings are one-half of a transformer that is selectively separable from the one or more mating windings between charging operations;
- each of the one or more first windings are disposed separate and apart from each other along an axis of the first ferromagnetic core a distance of about half of a length of one of the plurality of first windings;
- and
- the one or more first windings comprise a shape that is nestable with the one or more mating windings.
7 more elements
An autonomous electrical charging system comprising:
- a chassis;
- a plurality of wheels coupled to the chassis to enable the chassis to spin;
- a powertrain coupled to the chassis;
- and
- a brushless dispensing unit, coupled to the chassis, for dispensing and retracting an electrical cord;
- an electrical charging unit for a wireless transfer of energy, the charging unit further comprising:
- one or more first windings mateable with another winding for wirelessly transferring energy between the one or more first windings and the another winding;
- a first ferromagnetic core around which the one or more first windings are disposed;
- and wherein:
- the one or more first windings are not conductively coupleable to the another winding;
- and
- the one or more first windings are not disposed in a plane;
- each of the one or more first windings are disposed separate and apart from each other along an axis of the first ferromagnetic core a distance of approximately half of a length of one of the plurality of first windings;
- and
- the chassis is configured to spin to dispense the electrical cord from the brushless dispensing unit.
12 more elements
A method of wirelessly transferring energy from an electrical charging unit to a load, the method comprising:
- traversing either the one or more first windings or the one or more mating windings to proximate location with each other;
- coaxially self-aligning an axis of the one or more first windings with an axis of the one or more mating windings from a conical and conformal shape;
- and
- longitudinally self-aligning the one or more first windings with the one or more mating windings along approximately coaxially self-aligned axes of the one or more first windings and the one or more mating windings;
- and
- the power transferred between a plug and a socket is automatically determined by a quantity of first windings on the plug that align with a quantity of secondary windings that exist on the socket.
3 more elements
An autonomous electrical charging infrastructure comprising:
- a plurality of electrical charging units for a wireless transfer of energy, wherein each of the electrical charging units further comprises:
- a battery;
- one or more first windings mateable with another winding, and seated sufficiently as to have surface contact between each other for wirelessly transferring energy between the one or more first windings and the another winding;
- and
- a first ferromagnetic core around which the one or more first windings are disposed;
- and wherein:
- the one or more first windings are not conductively coupleable to the another winding;
- the one or more first windings are not required to be disposed in a plane;
- the chassis is configured to spin to dispense the electrical cord from the brushless dispensing unit;
- and
- two or more of the plurality of electrical charging units individually charge in parallel a respectively paired battery pack of a given application.
8 more elements
Dependencies are inferred from the claim text.