About 242 results
Showing the first 200 results.
https://drivepatents.com/patents/1388962 · 17 Sep 2025
A governor of an integrated drive generator includes a housing (38), and a rotating sleeve extending at least partially through a housing opening in the housing (38). The rotating sleeve is configured to rotate about a sleeve axis. A gear (78) is secured t...
https://drivepatents.com/patents/1399660 · 10 Sep 2025
A fluid delivery system includes a main pump (102) disposed in a primary fluid line (104) configured to receive a low pressure fluid on a low pressure side (106) and output a high pressure fluid on a high pressure side (108) to provide flow from the fluid ...
https://drivepatents.com/patents/1393418 · 3 Sep 2025
The present disclosure provides air cooling systems and methods for propulsion systems (e.g., aviation or aerospace propulsion systems). More particularly, the present disclosure provides integrated air cooling systems and methods utilizing air cycle machi...
https://drivepatents.com/patents/1398304 · 3 Sep 2025
A metering valve for a fuel metering unit, comprising: a valve housing (20) defining a housing bore (50) that extends from a first valve housing end towards a second valve housing end along a first axis; and a valve body (22) disposed within the housing bo...
https://drivepatents.com/patents/1394703 · 13 Aug 2025
A fuel system (100) includes a fuel metering unit (101) having a fuel inlet (108) and a fuel outlet (110) defining a flow path therebetween. The fuel system includes a bleed valve (106) in fluid communication with the flow path of the fuel metering unit (1...
https://drivepatents.com/patents/1395824 · 13 Aug 2025
An electricity generation and propulsion system of an aircraft is provided. The electricity generation and propulsion system includes a fuselage (120), a hybrid-electric power generation system (130) operably disposed in the fuselage and a ram air turbine ...
https://drivepatents.com/patents/1398724 · 6 Aug 2025
A variable displacement piston pump, having: a housing (170), a pivot assembly (190) to pivot between minimal and maximum pivot angles; a pump cover (350) defining an actuator bore with an actuator piston (370), an actuator arm (380) extending from the act...
https://drivepatents.com/patents/1398584 · 30 Jul 2025
A fuel system for a turbomachine includes a fuel tank (101) and a first fuel line (103) in fluid communication with the fuel tank and one or more fuel injectors (105). The first fuel line includes a main fuel pump (107) disposed on the first fuel line, and...
https://drivepatents.com/patents/1395456 · 25 Jun 2025
In accordance with at least one aspect of this disclosure, an engine (10) (e.g., an aircraft turbine engine) can include a turbine (12) mounted to a turbine shaft (14) to rotate the turbine. A starter system (100) can include a starter circuit (102), for e...
https://drivepatents.com/patents/1400745 · 25 Jun 2025
A hydraulic clutch assembly can include a shaft (101) defining a shaft channel (103), one or more hydraulic ports (105) defined through the shaft, and one or more lubrication holes (107) defined through the shaft. A porting manifold (209) can be disposed a...