US 12,303,911 B2
Roller with a sensor
Martin Neff, Rossrüti (CH); and Marcos Luquin, Constance (DE)
Assigned to Bühler AG, Uzwil (CH)
Appl. No. 17/753,105
Filed by Bühler AG, Uzwil (CH)
PCT Filed Aug. 7, 2020, PCT No. PCT/EP2020/072253
§ 371(c)(1), (2) Date Feb. 18, 2022,
PCT Pub. No. WO2021/037525, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 19193455 (EP), filed on Aug. 23, 2019.
Prior Publication US 2022/0288599 A1, Sep. 15, 2022
Int. Cl. B02C 4/42 (2006.01); B02C 4/06 (2006.01); B02C 4/28 (2006.01); B02C 4/30 (2006.01); B02C 4/38 (2006.01); B02C 25/00 (2006.01)
CPC B02C 4/42 (2013.01) [B02C 4/06 (2013.01); B02C 25/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A grinder roller for use in a grinder roller pair comprising:
at least one sensor for detecting measured values which characterize a state of the grinder roller, wherein the at least one sensor is arranged in a receiving opening of the grinder roller; and
at least one data transmitter for contactless transmission of the measured values of the at least one sensor to a data receiver,
wherein the at least one sensor is enclosed in the receiving opening by means of a cap made of ceramic material, the cap having an external thread and an internal thread,
wherein the cap is fixed at the outer end of the receiving opening by way of a conductive ring made of a metallic material.