Particla Separators
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What I am researching is the replacement of the usual paper air cleaner used for motor vehicle engines with a particle separator type that is used on rotary wing engines. JR206/Eurocopter designs come to mind. The present helicopter does not have a particle separator so I have no physical bits to play with.
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The particle seaparators I'm familliar with on Bk117 and the Bell 212/412 have no filter element at all. The Bk has tiny little vortex generators in a panel, and has an extractor fan to suck out any sand or tiny particles that could get through the panel. The Bell style is just a straight duct with a door on it and when the separator is working, the door is open and any particle just keeps going through the duct by momentum, and the air is allowed to suck in from the bottom of the duct. The compressor inlet on both machines also have a wire screen fitted to collect any debris that may make it through.
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Join Date: Feb 2001
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The Engine air filter you speak of is made by the Pall corporation. Their web site is: http://www.pall.com/aerospace/
The 206 Particle Separator uses engine bleed air to expell the heavy particles as they enter the swirl tubes.
If you plan on using this type of filter on a non turbine engine application then you will need a source of high pressure air in order to make the filter operational.
Regards,
Chuckolamofola
The 206 Particle Separator uses engine bleed air to expell the heavy particles as they enter the swirl tubes.
If you plan on using this type of filter on a non turbine engine application then you will need a source of high pressure air in order to make the filter operational.
Regards,
Chuckolamofola
Last edited by chuckolamofola; 11th Jun 2003 at 04:33.