US 11,815,137 B2
Clutch hub assembly with improved oil flow
Gregg A. Nader, Chester, VT (US)
Assigned to Sonnax Transmission Company, Bellows Falls, VT (US)
Filed by Sonnax Transmission Company, Bellows Falls, VT (US)
Filed on Mar. 31, 2022, as Appl. No. 17/710,614.
Application 17/710,614 is a continuation of application No. 16/885,562, filed on May 28, 2020, granted, now 11,396,912.
Prior Publication US 2022/0221011 A1, Jul. 14, 2022
Int. Cl. F16D 25/12 (2006.01); F16D 25/0638 (2006.01); F16D 25/10 (2006.01)
CPC F16D 25/123 (2013.01) [F16D 25/0638 (2013.01); F16D 25/10 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A clutch hub comprising:
an annular channel-shaped body defining an inner portion between an outer radial wall, an inner radial wall and a forward axial wall, the annular channel-shaped body extending about a central opening;
one or more first oil holes extending through the outer radial wall;
one or more second oil holes extending through the inner radial wall;
an oil dam extending radially inward from the inner radial wall;
a first oil flow path into the inner portion, the first oil flow path extending from the central opening through the one or more second oil holes, into the inner portion, and out of the inner portion through the one or more first oil holes; and
a second oil flow path into the inner portion different from the first oil flow path.