US 12,444,809 B2
Apparatus for connecting in parallel a plurality of battery cells which are arranged parallel to one another with respect to a joining axis
Gerhard Waldschütz, Freistadt (AT); Wolfgang Schmudermaier, Eisgarn (AT); Florian Drexler, Freistadt (AT); and Helmut Kastler, Freistadt (AT)
Appl. No. 17/437,161
Filed by John Deere Electric Powertrain LLC, Moline, IL (US)
PCT Filed Feb. 25, 2020, PCT No. PCT/AT2020/060054
§ 371(c)(1), (2) Date Sep. 8, 2021,
PCT Pub. No. WO2020/181308, PCT Pub. Date Sep. 17, 2020.
Claims priority of application No. A 50188/2019 (AT), filed on Mar. 8, 2019.
Prior Publication US 2022/0173483 A1, Jun. 2, 2022
Int. Cl. H01M 50/503 (2021.01); H01M 50/50 (2021.01); H01M 50/512 (2021.01); H01M 50/524 (2021.01); H01M 50/526 (2021.01)
CPC H01M 50/503 (2021.01) [H01M 50/50 (2021.01); H01M 50/512 (2021.01); H01M 50/524 (2021.01); H01M 50/526 (2021.01)] 23 Claims
OG exemplary drawing
 
1. A device for connecting in parallel multiple battery cells arranged in parallel to one another with respect to a joining axis, said device comprising:
a contact plate having individual passages;
wherein each passage is configured to provide a jacket-side enclosure of the battery cells and at least one contact tongue is associated with each passage;
wherein each of said contact tongues has a respective contact body on a side of said contact tongue facing the associated passage; and
said contact bodies each protruding from the respective contact tongue into the passage—and each having a cut ovoid shape that is convex in horizontal and vertical cross sections thereof toward the passage; and
wherein at least two contact tongues are supported in each of the passages.