1. Filtration. Separation. Solution. TM  2009, Pall Europe Ltd. Pall Aerospace, 2009 Introduction to Helicopter Engine Inlet Protection

2. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. The information contained in this document is the property of the Pall Corporation, and is supplied for the use of the assigned recipient only. It remains the property of the Pall Corporation, and is to be returned to the issuing authority if the holder ceases to be a Pall employee, or an employee of a Pall distributor or customer. Unauthorised use or reproduction is prohibited, and the information contained herein in not to be supplied to others without the specific approval of an officer of the Pall Corporation. Copyright 2009 OriginatorK Bull11 May 09 Technical ApprovalP.Madhavan14 July 09 Commercial ApprovalM.Morris6 July 09

3. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. 1.Problems with airborne contaminationProblems with airborne contamination 2.Pall SolutionPall Solution 3.Costs of airborne contaminationCosts of airborne contamination 4.In-service Experience (operators & helicopters)In-service Experience (operators & helicopters) 5.Helicopter ****, Main features (separate presentation)Helicopter ****, Main features (separate presentation) Contents

4. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Sand/Dust (+ other solid particulate contamination) Compressor erosion Turbine blade glazing Turbine blade vibration & fatigue problems Blockage of blade cooling passages

5. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Brownout!

6. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Foreign Object Damage (FOD) Serious damage to rotating & static components Photo © Wikipedia

7. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Ice Similar effects as FOD Photo © BBC

8. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Heavy rain Engine Flame Out

9. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Snow Dry Snow: No Problem Wet Snow: Engine Flame Out Damaged Compressors

10. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Problems With Airborne Contamination Salt Spray Engine Corrosion Fouling / Power Loss (Photo: Gabriel Savit)

11. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. All these are Flight-Safety relevant and can induce excessive Maintenance Costs Therefore It is imperative to protect Engine Air Inlets Problems With Airborne Contamination

12. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. First Centrisep Air Cleaner (or Engine Air Particle Separator, EAPS) was designed by Pall in the late 60’s. Continuous improvements in Technology and Design have translated into dramatic progress in overall performance & efficiency in a given space envelope. Latest aerodynamic designs offer optimal overall protection to latest generation of high tech helicopter engines Pall Centrisep ® Air Cleaner

13. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Centrisep Air Cleaner Benefits BENEFITS Self cleaning device, virtually maintenance free. Excellent F.O.D. protection. => Improved Flight Safety Protects engine by removing harmful solid and liquid contamination Excellent Snow/Icing protection. Easy user installation with available installation kit. Increased engine MTBUR for erosion… substantial increase in engine compressor erosion life. (reduced component wear) Reduced unscheduled engine removals Increased aircraft availability Pall’s Engineering experience provides optimum performance in given space envelope BENEFITS Self cleaning device, virtually maintenance free. Excellent F.O.D. protection. => Improved Flight Safety Protects engine by removing harmful solid and liquid contamination Excellent Snow/Icing protection. Easy user installation with available installation kit. Increased engine MTBUR for erosion… substantial increase in engine compressor erosion life. (reduced component wear) Reduced unscheduled engine removals Increased aircraft availability Pall’s Engineering experience provides optimum performance in given space envelope

14. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Salt Spray Engine Corrosion Fowling / Power Loss Scheduled Engine Overhaul costs from $160,000 to $350,000 (per engine) Unscheduled engine repair costs from $70,000 Installing the Centrisep Air Cleaner will improve protection of your helicopter’s most critical component – the engine Scheduled Engine Overhaul costs from $160,000 to $350,000 (per engine) Unscheduled engine repair costs from $70,000 Installing the Centrisep Air Cleaner will improve protection of your helicopter’s most critical component – the engine Centrisep Air Cleaner Benefits

15. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Principle of Operation How the Centrisep Air Cleaner works Play VIDEO CLIP from www.pall.com/centrisepwww.pall.com/centrisep (home page)

16. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Air Cleaner vs Inlet Particle Separators (IPS) Compressor Disc protected by I.P.S. Separator System Compressor Disc protected by Pall Centrisep ® EAPS System Proven Dust & Sand separation efficiency

17. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. 3 % 1/10 of the test dust injected into engine air inlet (15.6kg). Equivalent to a minimum of 300 landings in brownout! Tiger Engine Test Dust Fed 156 kg Power loss after test Proven Dust & Sand separation efficiency

18. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Compressor as good as new after 100 hours and 98 desert landings on unprepared sites in the Sahara with new Centrisep Air Cleaner. New filter (no blade erosion) Comparison between 30 year-old design and latest design 2006 Trans-African Rally New filter (0.6g dust) Old filter (compressor blade eroded) Old filter (8.7g dust)

19. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Centrisep Air Cleaner has good operational capability in Snow and Ice conditions. This fully de-iced helicopter was forced to land, not because of Air Cleaner blockage, but through the rotor blades icing up. Centrisep Air Cleaner - Cold Weather Operation

20. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Over 9000 Centrisep units have been supplied to date. Customers include…… Centrisep Air Cleaner - Sample of current Operators Eurocopter AgustaWestland Bell Boeing Sikorsky Kazan Ulan Ude Mil Helicopter Plant MD Helicopters US Army UK RAF Royal Netherlands Air Force Egyptian Air Force Royal Australian Navy NAMSA Heli Union Maverick Helicopters

21. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – Super Puma (Photo: Deny Guerionne)

22. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – SA315 Lama (Photo: Girish Thorat)

23. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – CH47

24. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – MIL Mi8/17

25. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – AW139 Courtesy of AgustaWestland

26. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – Bell427

27. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – EC135

28. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Typical Centrisep Air Cleaner Applications – Sea King Courtesy of AgustaWestland

29. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. For the technical features of your particular helicopter, please ask your sales representative for the specific presentation. Centrisep Air Cleaner

30. Filtration. Separation. Solution. SM  2009, Pall Europe Ltd. Centrisep is a registered trademark of Pall Corporation. ® indicates a trademark registered in the USA. ? Thank you for your attention, Any Questions?