US 11,808,814 B2
Drive for an electric application and processes for maintaining and fine-tuning the drive
Ari Pulakka, Nordborg (DK); Jetro Itäniemi, Laihia (FI); Janne Pakkala, Merikaarto (FI); Jussi Pouttu, Vaasa (FI); and Nicklas Södö, Vaasa (FI)
Assigned to Vacon OY, Vaasa (FI)
Filed by Vacon Oy, Vaasa (FI)
Filed on May 26, 2021, as Appl. No. 17/330,654.
Claims priority of application No. 102020114222.6 (DE), filed on May 27, 2020.
Prior Publication US 2021/0373080 A1, Dec. 2, 2021
Int. Cl. G01M 15/05 (2006.01); H02P 29/024 (2016.01); G01H 1/00 (2006.01); G01R 31/34 (2020.01)
CPC G01R 31/343 (2013.01) [G01H 1/003 (2013.01); G01M 15/05 (2013.01); H02P 29/024 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A drive for an electric motor, comprising at least one microphone for registering noise signals occurring at the drive, wherein the microphone is integrated on a circuit board of the drive and the microphone is connectable to a computing device for analysing the registered noise signals by comparing the registered noise signals to previously stored noise signals.