Providing a land vehicle, in particular a rail vehicle or a road automobile, with electric energy by induction

An apparatus for providing a land vehicle with electric energy by producing an electromagnetic field on a primary side located on a track of the vehicle or located at a stop of the vehicle, by receiving a magnetic component of the electromagnetic field on a secondary side onboard the vehicle using a secondary side conductor assembly located above a primary side conductor assembly, which is a source of the electromagnetic field, and by magnetic induction on the secondary side, the apparatus comprising:

• the secondary side conductor assembly, which is made of electrically conducting material which produces an electromagnetic stray field during operation while the electrically conducting material carries an alternating electric current, and
• a secondary side shielding assembly made of magnetizable material,
• wherein the secondary side shielding assembly or a part of the secondary side shielding assembly extends sideways of the secondary side conductor assembly on a same height level as the secondary side conductor assembly, thereby shielding regions, which are located beyond the magnetizable material, from the electromagnetic stray field,
• wherein the secondary side shielding assembly extends from sideways of the secondary side conductor assembly to a height level below a height level of a lateral edge of the secondary side conductor assembly, thereby also shielding regions, which are located beyond the magnetizable material and at a lower height level as the lateral edge of the secondary side conductor assembly, from the electromagnetic stray field, and
• wherein during operation of the secondary side conductor assembly, the magnetizable material of the secondary side shielding assembly is also located, if viewed in the vertical direction, below the lateral edge of the secondary side conductor assembly within a gap between the primary side conductor assembly and the secondary side conductor assembly.

A method of providing a land vehicle with electric energy by producing an electromagnetic field on a primary side located on a track of the vehicle or located at a stop of the vehicle, for receiving a magnetic component of the electromagnetic field on a secondary side onboard the vehicle using a secondary side conductor assembly located above a source of the electromagnetic field by magnetic induction on the secondary side, the method comprising:

• conducting an alternating electric current through a primary side conductor assembly made of electrically conducting material to produce the electromagnetic field, and
• shielding regions, which are located sideways of the primary side conductor assembly from the electromagnetic field using a primary side shielding assembly, which or a part of which extends sideways of the primary side conductor assembly on a same level as the primary side conductor assembly, wherein the primary side shielding assembly is made of magnetizable material,
• wherein the primary side shielding assembly, which extends from sideways of the primary side conductor assembly to a height level above a height level of a lateral edge of the primary side conductor assembly, is also used to shield regions from the electromagnetic field, which regions are located beyond the magnetizable material and at a higher height level as the lateral edge of the primary side conductor assembly, and
• wherein the magnetizable material of the primary side shielding assembly, which is also located, if viewed in the vertical direction, above the lateral edge of the primary side conductor assembly within a gap between the primary side conductor assembly and the secondary side conductor assembly, is also used to shield regions from the electromagnetic field, which regions are located beyond the magnetizable material and above the lateral edge of the primary side conductor assembly.

A method of providing a land vehicle with electric energy by receiving, on a secondary side onboard the vehicle, a magnetic component of an electromagnetic field produced on a primary side located below the vehicle on a track of the vehicle or at a stop of the vehicle, and by magnetic induction on the secondary side, using a secondary side conductor assembly located above a primary side conductor assembly, which is a source of the electromagnetic field, the method comprising:

• receiving the electromagnetic field by the secondary side conductor assembly made of electrically conducting material which produces an electromagnetic stray field during operation while the electrically conducting material carries an alternating electric current, and
• shielding regions, which are located sideways of the secondary side conductor assembly from the electromagnetic stray field using a secondary side shielding assembly, which or a part of which extends sideways of the secondary side conductor assembly on a same height level as the secondary side conductor assembly, wherein the secondary side shielding assembly is made of magnetizable material,
• wherein the secondary side shielding assembly, which extends from sideways of the secondary side conductor assembly to a height level below a height level of a lateral edge of the secondary side conductor assembly, is also used to shield regions from the electromagnetic stray field, which regions are located beyond the magnetizable material and at a lower height level as the lateral edge of the secondary side conductor assembly, and
• wherein while the electromagnetic field is received by the electrically conducting material of the secondary side conductor assembly, the magnetizable material of the secondary side shielding assembly, which is also located, if viewed in the vertical direction, below the lateral edge of the secondary side conductor assembly within a gap between the primary side conductor assembly and the secondary side conductor assembly, is also used to shield regions from the electromagnetic field, which regions are located beyond the magnetizable material and below the lateral edge of the secondary side conductor assembly.