The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 2025
Filed:
Mar. 14, 2023
Applicant:
Vacon Oy, Vaasa, FI;
Inventors:
Jani Matti Perkiö, Tampere, FI;
Juho Kari, Vaasa, FI;
Assignee:
VACON OY, Vaasa, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 27/06 (2006.01); H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H02P 27/06 (2013.01); H05K 1/0298 (2013.01); H05K 2201/1009 (2013.01); H05K 2201/10272 (2013.01);
Abstract
The present disclosure is directed at an AC drive for driving an electric motor. The AC drive has a 3-phase diode bridge, an inverter and a snubber board with multilayer printed circuit board elements, wherein the power lane in every layer of every element is connected to only one potential DC− or DC+, each element includes two capacitors of inverted polarity, wherein each element includes two C-shaped bus bars and wherein the C-shaped bus bars of two neighbouring elements are placed in close proximity to each other.