US 12,237,702 B2
Charging device for wirelessly charging an electric energy store of a mobile terminal for a motor vehicle, and motor vehicle comprising a charging device
Simon Weiß, Titting (DE); and Holger Thiel, Wettstetten (DE)
Assigned to Audi AG, Ingolstadt (DE)
Appl. No. 17/632,126
Filed by AUDI AG, Ingolstadt (DE)
PCT Filed Jul. 30, 2020, PCT No. PCT/EP2020/071488
§ 371(c)(1), (2) Date Feb. 1, 2022,
PCT Pub. No. WO2021/019004, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 10 2019 211 519.5 (DE), filed on Aug. 1, 2019.
Prior Publication US 2022/0278537 A1, Sep. 1, 2022
Int. Cl. H02J 7/00 (2006.01); B60L 53/12 (2019.01); B60L 53/302 (2019.01); H02J 50/00 (2016.01); H02J 50/10 (2016.01)
CPC H02J 7/0044 (2013.01) [B60L 53/12 (2019.02); B60L 53/302 (2019.02); H02J 50/005 (2020.01); H02J 50/10 (2016.02); H02J 2310/48 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A device for wireless charging of an electrical energy store of a mobile terminal for a motor vehicle, the device comprising:
a housing;
charging electronics positioned within the housing;
a support region on the housing on which to place the mobile terminal, the support region comprising at least two elevations, each elevation having a first predetermined height, each elevation extending along a length of the support region, and each elevation being arranged in parallel to one another and at a predetermined distance from one another;
an air channel formed when the mobile terminal is placed on the at least two elevations of the support region on the housing; and
at least one air inlet opening and at least one air outlet opening positioned in the support region on the housing and configured to blow air out into the air channel,
wherein the support region on the housing comprises at least one barrier that extends into the air channel and is configured to swirl the air blown out into the air channel,
wherein the at least one barrier comprises a first swirl elevation arranged perpendicularly to the at least two elevations extending along the length of the support region,
wherein the first swirl elevation has a width of a predetermined distance extending into the air channel, and
wherein the at least one barrier comprises a ramp configured to raise the air blown out into the air channel.