A wireless power-supply system (1) performing a wireless power supply between a vehicle (10) and a stop station (20), wherein the wireless power-supply system includes a heat-transfer device (30). The heat-transfer device (30) transfers heat generated due to the wireless power supply to the stop station (20) having high heat capacity from the vehicle (10) having low heat capacity. The heat-transfer device (30) includes a flexible heat-transfer member (32), in which the flexible heat-transfer member has tiltability in a moving direction of the vehicle (10).

An exemplary inductive power transfer system having a transmitter coil and a receiver coil. A transmitter-side power converter having a mains rectifier stage powering a transmitter-side dc-bus and controlling a transmitter-side dc-bus voltage U.sub.1,dc. A transmitter-side inverter stage with a switching frequency f.sub.sw supplies the transmitter coil with an alternating current. A receiver-side power converter having a receiver-side rectifier stage that rectifies a voltage induced in the receiver coil and powering a receiver-side dc-bus and a receiver-side charging converter controlling a receiver-side dc-bus voltage U.sub.2,dc. Power controllers that determine from a power transfer efficiency of the power transfer, reference values U.sub.1,dc*, U.sub.2,dc* for the transmitter and receiver side dc-bus voltages. An inverter stage switching controller controls the switching frequency f.sub.sw to reduce losses in the transmitter-side inverter stage.

In a system for an inductive energy transmission from a primary-conductor system, in particular a stationary primary conductor system, to a vehicle having a secondary winding, the secondary winding is inductively coupled with the primary-conductor system. The primary conductor is installed as a primary-conductor loop installed in elongated form, which has a feed conductor and a return conductor in a line section, in particular a return conductor that is installed parallel thereto, and the return conductor is electrically grounded in that at least one inductance is disposed between the return conductor and the electrical ground.

A multiple layer composition and method for deposition of a solar energy harvesting strip onto a driving surface that will allow electric cars to charge by an inductive coupling is provided. The multiple layer composition includes at least one magnetic material for generating a magnetic field, wherein at least one of the multiple layers comprises the magnetic material. Further, the a multiple layer composition includes at least one solar energy harvesting material for converting at least one of thermal and photonic energy into electrical energy, wherein at least one of the multiple layers comprises the at least one solar energy harvesting material and wherein the at least one solar energy harvesting material is located within a magnetic field generated by the at least one magnetic material. One of the layers may also include a thermal energy harvesting material for converting thermal energy into electrical energy.

When a route searching command is input, a control unit searches for a provisional route disregarding remaining energy. Next, a finding unit finds charging lanes and charging spots near the provisional route and a calculation unit calculates a charging lane traveling distance and a spot charging usage amount. Then, a searching unit searches for charging lane information, and the like, the first route that restrains charging up cost and uses charging lanes and searches for, on the basis of the spot charging usage amount, charging spot information, and the like, the second route that restrains charging up cost and uses charging spots. A generation unit generates information about the retrieved routes that includes charging up cost and the expected time required. which is presented by a presentation unit. Accordingly, it is possible to find routes including charging plans that use charging lanes and charging spots and to enhance user convenience.

A power reception-side coil is mounted on the bottom surface of a vehicle body and contactlessly receives power transmitted from a power feeding-side coil disposed on the ground. The power reception-side coil is of a solenoid type such that an electric wire is wound with the vehicle longitudinal direction as a coil axis. A shield member that is a plate-shaped magnetic shield is disposed between the bottom surface of the vehicle body and the power reception-side coil. The shield member has a forward-inclined surface serving as a first wall part protruding downward of the vehicle, the forward-inclined surface being raised and provided at the vehicle front side in a direction of the coil axis with respect to the power reception-side coil.

A fluid machine includes a rotary blade, a casing configured to house the rotary blade therein, and an insulation coated conductor attached within a recess circumferentially provided in an inner circumference of the casing opposed to an outer end of the rotary blade, the insulation coated conductor including a conductive wire and an insulation material coating. The dielectric barrier discharge is generated between the insulation coated conductor and the outer end of the rotary blade by applying a pulse voltage between the conductive wire and the rotary blade, so as to prevent leakage of operative fluid through a tip clearance between the inner circumference of the casing and the outer end of the rotary blade.

A power transmitter provided according to one aspect of the present disclosure includes a high-frequency power source device, a power transmitting unit, and a transmitter-side controller. The high-frequency power source device generates high-frequency power. The power transmitting unit includes a power-transmitting coil. The power transmitting unit wirelessly transmits the high-frequency power received from the high-frequency power source device to a power receiver mounted on an electric vehicle. The transmitter-side controller calculates a transmitter usage rate. The transmitter-side controller causes the power transmitting unit to stop power transmission in response to the transmitter usage rate exceeding a predetermined threshold. The transmitter usage rate indicates a rate of time during which the power transmitting unit transmits power to the power receiver per unit time.

A position alignment method performed by a ground assembly for wireless power transfer includes measuring, through at least one low frequency (“LF”) receiver of the ground assembly, a first magnetic flux density for a magnetic field emitted from at least one LF transmitter of a vehicle assembly; measuring, through the at least one LF receiver, a second magnetic flux density for a magnetic field emitted from the at least one LF transmitter; configuring a received signal measurement based on a comparison result of the first magnetic flux density and the second magnetic flux density; and providing the configured received signal measurement to a vehicle.

Feed system provided with feed means located inside a lyophilization chamber and able at least to supply electric energy to a slider, autonomously mobile at least inside the lyophilization chamber, and to the possible other internal components which need the energy present in or associated to the slider. The feed means are positioned along the travel of the slider and cooperate with energy receiver means associated to the slider, being static at least during the loading and unloading steps of at least a loading plane.