About 116 results
https://drivepatents.com/patents/1398348 · 7 May 2025
An apparatus has: a first member; a shaft rotatable relative to the first member about an axis (A); and a seal system (100). The seal system (100) has a seal carrier (150) having: an axially extending wall (156) having an inner diameter (ID) surface (160);...
https://drivepatents.com/patents/1400242 · 23 Apr 2025
A system of a hybrid aircraft includes a first gas turbine engine, a second gas turbine engine, and a controller. The first gas turbine engine includes a first low spool electric machine (12A) and a first high spool electric machine (12B). The second gas t...
https://drivepatents.com/patents/1395697 · 16 Apr 2025
A propulsion system (20) for an aircraft includes a hydrogen fuel system (52) suppling hydrogen fuel to a combustor (30) through a fuel flow path . A condenser (80) extracts water (116) from a high energy gas flow (55). The condenser (80) includes a plural...
https://drivepatents.com/patents/1401126 · 9 Apr 2025
A seal system (100) has: a first member (102); a seal (104) carried by the first member (102) and having a seal face (106); and a second member (110) rotatable relative to the first member (102) about an axis (500). The second member (110) has: a seat (112...
https://drivepatents.com/patents/1395820 · 2 Apr 2025
A gas turbine engine (10) includes a first spool (16), a second spool (12), a third spool (14), and an epicyclic differential. The epicyclic differential includes a sun gear, planet gears supported from a planet carrier, a ring gear, and a locking member, ...
https://drivepatents.com/patents/1395849 · 2 Apr 2025
A gas turbine engine includes a first spool associated with a diffuser (68) and a primary combustor (70) and a second spool (12) associated with a secondary combustor (84). The first spool includes a first compressor and a first turbine mounted to a first ...
https://drivepatents.com/patents/1395863 · 2 Apr 2025
A gas turbine engine (10) includes a first spool (16) of a primary flow path (216) and a second spool (12) of a secondary flow path (220). The second spool (12) is nonconcentric with the first spool (16). The second spool (12) includes a boost compressor (...
https://drivepatents.com/patents/1394799 · 26 Mar 2025
An assembly for rotational equipment includes a scoop ring body (64) and an insert (78). The scoop ring body (64) is rotatable about a rotational axis and extends radially between and inner radial side (72) and an outer radial side (74). The insert (78) is...
https://drivepatents.com/patents/1394129 · 19 Mar 2025
A fuel injector for a gas turbine engine includes an inner housing (850) having a center body (816), an intermediate housing (852) arranged radially outward from the inner housing (850), and an outer housing (854) arranged radially outward from the interme...
https://drivepatents.com/patents/1395430 · 5 Mar 2025
An assembly for an aircraft includes a carrier (90), a first gear system (86), a second gear system (88) and an idler gear (92). The first gear system (86) includes a first sun gear (94), a first ring gear (96) and a plurality of first intermediate gears (...