US 12,497,130 B2
Sensor unit and drive device for an electric bicycle and electric bicycle
Johannes Biechele, Ottobrunn (DE); Klaus Drost, Ottobrunn (DE); and Julius Thorwart, Ottobrunn (DE)
Assigned to Porsche eBike Performance GmbH, Ottobrunn (DE)
Filed by Porsche eBike Performance GmbH, Ottobrunn (DE)
Filed on Oct. 26, 2023, as Appl. No. 18/495,578.
Claims priority of application No. 102022128664.9 (DE), filed on Oct. 28, 2022.
Prior Publication US 2024/0140557 A1, May 2, 2024
Int. Cl. B62M 6/60 (2010.01); B62M 6/50 (2010.01); H02K 5/20 (2006.01); H02K 11/24 (2016.01)
CPC B62M 6/60 (2013.01) [B62M 6/50 (2013.01); H02K 5/20 (2013.01); H02K 11/24 (2016.01); H02K 2211/03 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A sensor unit comprising:
a hub axle connectable to an electric motor of a drive device of an electric bicycle;
a housing element rotatable about an axis of rotation and configured to form a part of a motor housing for the electric motor, wherein the housing element is coupled to the hub axle and comprises an opening through which the hub axle extends; and
a first printed circuit board and a second printed circuit board, which are configured to determine a torque of a rider of the electric bicycle and which are coupled to one another in terms of signal technology,
wherein the printed circuit boards are coupled to the hub axle on opposite sides of the housing element and at least partially surround the hub axle with respect to the axis of rotation.