US 12,320,722 B2
Coil arrangement and torque sensor with coil arrangement
Robert Mutz, Grünwald (DE); and Bernhard Mayr, Munich (DE)
Assigned to NCTE AG, Oberhaching (DE)
Filed by NCTE AG, Oberhaching (DE)
Filed on Aug. 18, 2022, as Appl. No. 17/890,788.
Claims priority of application No. 21193458 (EP), filed on Aug. 27, 2021.
Prior Publication US 2023/0068057 A1, Mar. 2, 2023
Int. Cl. G01L 3/10 (2006.01); G01L 5/00 (2006.01); H01F 27/28 (2006.01)
CPC G01L 3/102 (2013.01) [G01L 5/0042 (2013.01); H01F 27/28 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A coil arrangement for detecting a magnetic field, comprising:
a first cylindrical coil with a first winding direction; and
a second cylindrical coil with a second winding direction,
wherein first and second cylindrical coils are arranged longitudinally one behind another aligned on a common axis,
wherein mutually adjacent ends of the first and second cylindrical coils are electrically connected to each other,
wherein the second winding direction is opposed to the first winding direction, and
wherein the first cylindrical coil is provided with a first ferromagnetic coil core and the second cylindrical coil is provided with a second ferromagnetic coil core, wherein first and second coil cores are arranged longitudinally one behind another and aligned spaced apart on the common axis.