US 12,065,971 B2
Centrifugally pumped fuel system
Kevin M. Duffy, Hartford, CT (US)
Assigned to Raytheon Technologies Corporation, Arlington, VA (US)
Filed by Raytheon Technologies Corporation, Arlington, VA (US)
Filed on Jan. 13, 2023, as Appl. No. 18/154,683.
Claims priority of provisional application 63/378,045, filed on Sep. 30, 2022.
Prior Publication US 2024/0110519 A1, Apr. 4, 2024
Int. Cl. F02C 7/224 (2006.01); F02C 7/16 (2006.01)
CPC F02C 7/224 (2013.01) [F02C 7/16 (2013.01); F05D 2260/213 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A fuel delivery system comprising:
a central shaft extending along a central axis, the central shaft comprising:
a fuel passage extending into the central shaft along the central axis;
a heat transfer volume radially outward from the central shaft and fluidically connected to the fuel passage, the heat transfer volume comprising a plurality of holes extending through a radially outer wall of the heat transfer volume, the plurality of holes being distributed around a circumference of the heat transfer volume; and
a combustor chamber fluidically connected to the heat transfer volume.