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US 12,545,427 B2Granted
Ducted supplemental power unit of aircraft
AssigneeHamilton Sundstrand Corporation
InventorsRobert C. Cooney, David M. Kucharski
Life of this patent
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Abstract
A supplemental power generation arrangement for an aircraft includes a duct defined in the aircraft, a ram air turbine located in the duct and driven to rotate about a turbine axis by a ram airflow through the duct. One or more accessory components are operably connected to the ram air turbine. The ram air turbine is configured to provide rotational energy to power the one or more accessory components.
Claims18
A supplemental power generation arrangement for an aircraft:
- a duct defined in the aircraft;
- a ram air turbine disposed in the duct and configured to rotate about a turbine axis by a ram airflow through the duct;
- one or more accessory components operably connected to the ram air turbine, the ram air turbine configured to provide rotational energy to power the one or more accessory components;
- wherein the duct includes:
- two or more duct legs disposed in a fluidly parallel arrangement;
- a common inlet duct fluidly connected to and located upstream of the two or more duct legs;
- wherein the ram air turbine is disposed in a first duct leg of the two or more duct legs.
4 more elements
An aircraft comprising:
- an aircraft body;
- one or more engines to drive flight and power the aircraft;
- and
- a supplemental power generation system, including:
- a duct defined in the aircraft;
- a ram air turbine disposed in the duct and configured to rotate about a turbine axis by a ram airflow through the duct;
- one or more accessory components operably connected to the ram air turbine, the ram air turbine configured to provide rotational energy to power the one or more accessory components;
- wherein the duct includes:
- two or more duct legs disposed in a fluidly parallel arrangement;
- a common inlet duct fluidly connected to and located upstream of the two or more duct legs;
- wherein the ram air turbine is disposed in a first duct leg of the two or more duct legs.
8 more elements
Dependencies are inferred from the claim text.