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US 11,772,783 B2Granted
Turbine engine secondary ejector system
AssigneeLockheed Martin Corporation
InventorsDonald W. Lamb, Jr., Patrick Ormande Bowles
Life of this patent
Estimating the term…
Abstract
According to an aspect, an ejector member includes an annular member; a vent arranged at the annular member, the vent having an inlet at a first surface of the annular member, the vent further having an outlet arranged radially inward from a second surface of the annular member; and a vane extending radially inward from the second surface of the annular member.
Claims20
An ejector member comprising:
- an annular member;
- a vent arranged at the annular member, the vent comprising:
- an inlet at a first surface of the annular member;
- and
- an outlet arranged radially inward from a second surface of the annular member,
- wherein the outlet comprises at least three planar facets, and wherein a first of the least three planar facets coincides with and is arranged at a non-linear angle to a second of the at least three planar facets and the second of the at least three planar facets being disposed at a non-linear angle to a third of the three planar facets;
- and
- a vane extending radially inward from the second surface of the annular member.
5 more elements
An ejector assembly comprising:
- an engine exhaust frame having a first casing and a second casing spaced apart and radially outward from the first casing;
- an annular member attached to the second casing;
- a plurality of vents arranged at the annular member, each vent comprising:
- an inlet at a first surface of the annular member;
- and
- an outlet arranged radially inward from a second surface of the annular member,
- wherein the outlet comprises at least three planar facets, and wherein a first of the least three planar facets coincides with and is arranged at a non-linear angle to a second of the at least three planar facets and the second of the at least three planar facets being disposed at a non-linear angle to a third of the three planar facets;
- and
- a plurality of vanes extending radially inward from the second surface of the annular member.
6 more elements
A rotary-wing aircraft comprising:
- a rotor;
- a turbine engine for driving the rotor;
- an exhaust system for receiving an exhaust flow from the turbine engine;
- the exhaust system comprising:
- an engine exhaust frame;
- and
- an engine exhaust frame having a first casing and a second casing spaced apart and radially outward from the first casing;
- an annular member attached to the second casing;
- a plurality of vents arranged at the annular member, each vent comprising:
- a first surface of the annular member;
- and
- an outlet arranged radially inward from a second surface of the annular member,
- wherein the outlet comprises at least three planar facets, and wherein a first of the least three planar facets coincides with and is arranged at a non-linear angle to a second of the at least three planar facets and the second of the at least three planar facets being disposed at a non-linear angle to a third of the three planar facets;
- and
- a plurality of vanes extending radially inward from the second surface of the annular member.
12 more elements
Dependencies are inferred from the claim text.