A contactless charging coil unit includes a base member with an upper surface having a coil housing portion formed therein in a spiral shape in a direction from the central portion to the outer periphery side; a coil formed by winding a litz wire along the coil housing portion, the litz wire having been obtained by twisting together a plurality of round wires each having a circular cross-section and covered with an insulating film; a covering member adapted to cover an upper portion of the base member, the covering member having a lower surface with a projection corresponding to and fittable into the coil housing portion of the base member; and a sealing material for firmly fixing the coil between the base member and the covering member to form a watertight seal.
CONTACTLESS CHARGING COIL UNIT AND MANUFACTURING METHOD THEREOF
KONTAKTLOSE LADESPULENEINHEIT UND HERSTELLUNGSVERFAHREN DAFÜR
UNITÉ DE BOBINE DE CHARGE SANS CONTACT ET SON PROCÉDÉ DE FABRICATION
2024-02-07
Patent
Elektronische Ressource
Englisch
IPC: | H01F MAGNETS , Magnete / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
CONTACTLESS CHARGING COIL UNIT AND MANUFACTURING METHOD THEREFOR
Europäisches Patentamt | 2022
|CONTACTLESS POWER SUPPLY SYSTEM AND COIL UNIT THEREOF
Europäisches Patentamt | 2023
|