US 12,169,018 B1
Gear cooling system
Thomas L. Nahrwold, Napoleon, OH (US); Dnyanesh Katre, Ypsilanti, MI (US); and Nicholas Billmaier, Sylvania, OH (US)
Assigned to DANA AUTOMOTIVE SYSTEMS GROUP, LLC, Maumee, OH (US)
Filed by Dana Automotive Systems Group, LLC, Maumee, OH (US)
Filed on Oct. 2, 2023, as Appl. No. 18/479,296.
Int. Cl. F16H 57/04 (2010.01)
CPC F16H 57/046 (2013.01) [F16H 57/043 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A gear cooling system comprising:
a spray tube positioned within a central opening that is included in a first gear;
wherein the spray tube includes an oil outlet;
wherein the oil outlet is positioned within a first smaller diameter section of the central opening;
wherein the first smaller diameter section is axially offset from an outer toothed portion of the first gear;
wherein the central opening includes a larger diameter section that is positioned interior to the outer toothed portion of the first gear; and
wherein an axial length of the spray tube is larger than an axial length of the first gear.