US 12,435,783 B1
Gearbox heat recovery system
Charles Jared Ott, Keller, TX (US); Brad Ekstrom, Fort Worth, TX (US); and Alan Wayne Falls, Arlington, TX (US)
Assigned to Textron Innovations Inc., Providence, RI (US)
Filed by Textron Innovations Inc., Providence, RI (US)
Filed on Aug. 23, 2024, as Appl. No. 18/814,085.
Int. Cl. F16H 57/04 (2010.01); F02C 6/04 (2006.01); F02C 6/08 (2006.01); F01P 3/20 (2006.01)
CPC F16H 57/0413 (2013.01) [F02C 6/08 (2013.01); F01P 3/20 (2013.01); F01P 2025/36 (2013.01); F02C 6/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A system for warming lubricant of a gearbox, the system comprising a heat exchanger connected to the gearbox, the gearbox configured to send the lubricant to the heat exchanger and the heat exchanger configured to receive the lubricant from the gearbox, warm the received lubricant using bleed air from an engine located proximate the heat exchanger, and return the warmed lubricant to the gearbox.