US 12,000,471 B2
Spur gear
Andreas Lenz, Wolfhagen (DE); Christian Deubner, Kaufungen (DE); Oliver Mosaner, Kassel (DE); and Sebastian Wolf, Kassel (DE)
Assigned to Volkswagen Aktiengesellschaft, Wolfsburg (DE)
Appl. No. 17/775,367
Filed by Volkswagen Aktiengesellschaft, Wolfsburg (DE)
PCT Filed Nov. 3, 2020, PCT No. PCT/EP2020/080833
§ 371(c)(1), (2) Date May 9, 2022,
PCT Pub. No. WO2021/089555, PCT Pub. Date May 14, 2021.
Claims priority of application No. 10 2019 130 185 (DE), filed on Nov. 8, 2019.
Prior Publication US 2022/0390001 A1, Dec. 8, 2022
Int. Cl. F16H 55/17 (2006.01)
CPC F16H 55/17 (2013.01) 9 Claims
OG exemplary drawing
 
1. A spur gear, comprising:
a radially-outwardly-disposed spur-cut gear rim;
a radially-inwardly-disposed hub; and
a rotationally symmetrical radial connecting structure connecting said gear rim to said hub;
all of said gear rim, said hub, and said radial connecting structure being integrally formed as one single piece;
said radial connecting structure having mutually spaced-apart struts extending between said hub and said gear rim and forming axial perforations between said struts;
said struts including a set of struts of a first type and a set of struts of a second type,
said set of struts of said first type and said set of struts of said second type each having a profile with a width and a height;
said height of said profile of said set of struts of said first type being greater than said width of said profile of said set of struts of said first type;
said width of said profile of said set of struts of said second type being greater than said height of said profile of said set of struts of said second type; and
said radial connecting structure having a disk-shaped base body penetrated by said axial perforations, said base body having an axial front side and an axial rear side, and said struts being disposed only on said front side of said base body.