US 11,946,514 B2
Lubrication device for power take off
Gael Ducher, Olivet (FR)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Sep. 18, 2020, as Appl. No. 17/025,468.
Claims priority of application No. 19198754 (EP), filed on Sep. 20, 2019.
Prior Publication US 2021/0088086 A1, Mar. 25, 2021
Int. Cl. F16D 25/12 (2006.01); B60K 17/28 (2006.01); B60K 25/02 (2006.01); F16N 9/02 (2006.01)
CPC F16D 25/123 (2013.01) [B60K 17/28 (2013.01); F16N 9/02 (2013.01); B60K 2025/026 (2013.01); B60Y 2306/03 (2013.01); F16N 2210/04 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A lubrication device for a power take off coupling for a prime mover, the lubrication device comprising:
a lubrication device shaft having a first end for connecting to an output shaft of the prime mover and a second end for connecting to an input shaft for receiving power from the output shaft;
a lubricant chamber surrounding at least part of the lubrication device shaft between the first end and the second end;
and
a housing enclosing the lubrication device shaft and the lubricant chamber;
wherein the lubrication device shaft includes a plurality of internal lubricant passages for conveying lubricant from the lubricant chamber to the first end and the second end of the lubrication device shaft, with the internal lubricant passages comprising fluid passages extending along the axial length of the lubrication device shaft as well as fluid passages extending radially to outer surfaces of the lubrication device shaft.