Fibrous media drift eliminator

Patent metadata

Field	Value
Publication number	US-10260421-B2
Application number	US-201715463885-A
Country	US
Kind code	B2
Filing date	Mar 20, 2017
Priority date	Mar 20, 2017
Publication date	Apr 16, 2019
Grant date	Apr 16, 2019

Abstract

The present application provides an inlet air system for cooling an inlet air flow to a compressor of a gas turbine engine. The inlet air system may include a wetted media pad and a drift eliminator positioned downstream of the wetted media pad with an air gap therebetween. The drift eliminator may include a fibrous media pad.

First claim

We claim:

1. An inlet air system for cooling an inlet air flow to a compressor of a gas turbine engine, comprising:
a wetted media pad; and
a drift eliminator positioned downstream of the wetted media pad with an air gap therebetween;
the drift eliminator comprising a fibrous media pad;
wherein the fibrous media pad comprises:
a first media sheet;
the first media sheet comprising a chevron corrugated surface; and
a second media sheet;
the second media sheet comprising a wavy corrugated surface.

2. The inlet air system of claim 1 , wherein the drift eliminator comprises the fibrous media pad in whole or in part.

3. The inlet air system of claim 1 , wherein the wetted media pad comprises the fibrous media pad.

4. The inlet air system of claim 1 , wherein the drift eliminator fibrous media pad provides inertial separation.

5. The inlet air system of claim 1 , wherein the drift eliminator fibrous media pad comprises a plurality of flute shaped channels.

6. The inlet air system of claim 1 , wherein the first media sheet and the second media sheet extend from a leading edge to a trailing edge.

7. The inlet air system of claim 6 , wherein the leading edge faces the inlet air flow.

8. The inlet air system of claim 6 , wherein the chevron corrugated surface and the wavy corrugated surface extend from the leading edge towards the trailing edge.

9. The inlet air system of claim 6 , wherein the leading edge and the trailing edge comprise a diamond shape.

10. The inlet air system of claim 9 , wherein the diamond shape comprises a bonding portion and an expanded portion.

11. The inlet air system of claim 1 , wherein the chevron corrugated surface comprises a plurality of chevron channels with diagonally rising portions and diagonally lowering portions.

12. The inlet air system of claim 1 , wherein the wavy corrugated surface comprises a plurality of wavy channels with peaks and valleys.

13. The inlet air system of claim 1 , wherein the drift eliminator fibrous media pad comprises a synthetic media or a cellulose media.

14. The inlet air system of claim 1 , wherein the drift eliminator fibrous media pad provides non-inertial separation.

15. An inlet air system for cooling an inlet air flow to a compressor of a gas turbine engine, comprising:
a wetted media pad; and
a drift eliminator positioned downstream of the wetted media pad with an air gap therebetween;
the drift eliminator comprising a fibrous media pad in whole or in part;
the fibrous media pad comprising a first media sheet with a plurality of chevron channels and a second media sheet with a plurality of wavy channels.

16. The inlet air system of claim 15 , wherein the first media sheet and the second media sheet extend from a leading edge facing an inlet air flow to a trailing edge and wherein the leading edge and the trailing edge comprise a diamond shape.

17. The inlet air system of claim 15 , wherein the plurality of chevron channels comprises diagonally rising portions and diagonally lowering portions.

18. The inlet air system of claim 15 , wherein the plurality of wavy channels comprises peaks and valleys.

19. The inlet air system of claim 15 , wherein the wetted media pad comprises the fibrous media pad.

Assignees

• Gen Electric

Inventors

• Frese Christopher Conrad
• Parmeshwar Naveen Ghattadhahalli
• Zhang Hua
• Ponyavin Valery Ivanovich
• Kippel Bradly Aaron

Classifications

• F02C7/1435 Primary

  by water injection · CPC title

• F02C7/05

  having provisions for obviating the penetration of damaging objects or particles · CPC title

• F05D2260/602

  Drainage · CPC title

• F02C7/04 Primary

  Air intakes for gas-turbine plants or jet-propulsion plants · CPC title

• F05D2250/61

  corrugated · CPC title