Air nozzle arrangement

Patent metadata

Field	Value
Publication number	US-11130581-B2
Application number	US-201816014682-A
Country	US
Kind code	B2
Filing date	Jun 21, 2018
Priority date	Jun 21, 2018
Publication date	Sep 28, 2021
Grant date	Sep 28, 2021

Abstract

A RAM inlet header (RIH) is provided and includes a body through which RAM air flows from an inlet toward a heat exchanger and a nozzle body arranged along a wall of the body to direct a curtain of cooled air into flows of the RAM air and toward the heat exchanger.

First claim

What is claimed is:

1. A RAM inlet header (RIH), comprising:
a body through which RAM air flows from an inlet toward a heat exchanger;
a nozzle body arranged along a wall of the body to be extendable into and retractable from an interior of the body,
the nozzle body being configured to exclusively form a curtain of cooled air along and at the wall when extended into the interior and to thereby direct the curtain of cooled air into flows of the RAM air and toward the heat exchanger.

2. The RIH according to claim 1 , wherein the body is curved.

3. The RIH according to claim 1 , wherein the nozzle body comprises at least one of metallic, molded and composite materials.

4. The RIH according to claim 1 , wherein the nozzle body is hydraulically or pneumatically inflatable and deflatable in the interior of the body.

5. A RAM inlet header (RIH), comprising:
a body through which RAM air flows from an inlet toward a heat exchanger;
a plurality of nozzles arranged along a wall of the body to respectively form a curtain of cooled air along the wall and to thereby respectively direct the curtain of cooled air into flows of the RAM air and toward the heat exchanger;
each nozzle being displaced from a neighboring nozzle and comprising:
a first body, which is formed to define a first flowpath and which is extendable in a first direction from the wall of the body;
a second body, which is formed to define a second flowpath and which is extendable in a second direction along a plane of the wall of the body; and
a curved body interposed between the first and second bodies and by which the second flowpath is receptive of fluid from the first flowpath,
wherein each of the nozzles is hydraulically or pneumatically inflatable or deflatable in an interior of the body.

6. The RIH according to claim 5 , wherein the body is curved, the wall is formed to define holes and the RIH further comprises:
a manifold disposed at an exterior of the body and configured to distribute the cooled air to each nozzle via the holes; and
a tubular body to transport the cooled air to an intake of the manifold.

7. The RIH according to claim 6 , wherein a predominant flow direction of the cooled air leaving the second body of each nozzle opposes a predominant flow direction of the cooled air in the tubular body.

8. The RIH according to claim 5 , wherein each of the nozzles has a substantially uniform shape and size.

9. The RIH according to claim 5 , wherein the plurality of nozzles is arranged in a linear formation with substantially uniform spacing along the wall.

10. The RIH according to claim 5 , wherein a height of each of the nozzles is substantially less than a distance between the wall and an opposite wall of the body.

11. The RIH according to claim 5 , wherein a height of each of the nozzles as measured from the wall is variable.

12. The RIH according to claim 5 , wherein each nozzle is configured to respectively form the curtain of cooled air along the wall when extended into the interior of the body and to thereby respectively direct the curtain of cooled air into flows of the RAM air and toward the heat exchanger.

13. A RAM inlet header (RIH), comprising:
a body through which RAM air flows from an inlet toward a heat exchanger;
one or more nozzles arranged along a wall of the body to respectively form a curtain of cooled air along the wall and to thereby respectively direct the curtain of cooled air into flows of the RAM air and toward the heat exchanger;
the one or more nozzles being displaced from one or more neighboring nozzles and respectively comprising:
a first body, which is formed to define a first flowpath and which is extendable in a first direction from the wall of the body;
a second body, which is formed to define a second flowpath and which is extendable in a second direction along a plane of the wall of the body; and
a curved body interposed between the first and second bodies and by which the second flowpath is receptive of fluid from the first flowpath,
wherein each of the one or more nozzles is hydraulically or pneumatically inflatable or deflatable in an interior of the body.

14. The RIH according to claim 13 , wherein the body is curved, the wall is formed to define one or more holes and the RIH further comprises:
a manifold disposed at an exterior of the body and configured to distribute the cooled air to each of the one or more nozzles via the one or more holes; and
a tubular body to transport the cooled air to an intake of the manifold.

15. The RIH according to claim 14 , wherein a predominant flow direction of the cooled air leaving the second body of each of the one or more nozzles opposes a predominant flow direction of the cooled air in the tubular body.

16. The RIH according to claim 13 , wherein a height of each of the one or more nozzles is substantially less than a distance between the wall and an opposite wall of the body.

17. The RIH according to claim 13 , wherein a height of each of the one or more nozzles as measured from the wall is variable.

18. The RIH according to claim 13 , wherein each nozzle is configured to respectively form the curtain of cooled air along the wall when extended into the interior of the body and to thereby respectively direct the curtain of cooled air into flows of the RAM air and toward the heat exchanger.

Assignees

• Hamilton Sundstrand Corp

Inventors

• Army Donald E
• Zywiak Thomas M

Classifications

• B64D2013/0618

  with arrangements for reducing or managing bleed air, using another air source, e.g. ram air · CPC title

• B64D13/08 Primary

  the air being heated or cooled · CPC title

• F02C6/08

  the gas being bled from the gas-turbine compressor · CPC title

• Y02T50/50

  On board measures aiming to increase energy efficiency · CPC title

• F02C7/141

  of working fluid · CPC title