Feather eliminate oil in throttle body

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I think you mean further, not feather?

Although, I understand down feathers are excellent absorbent material for absorbing oil spills in booms.

Check out my post, https://priuschat.com/index.php?posts/3200052

I use fine stainless steel mesh to specifically catch oil mist in the PCV circuit to the intake manifold. It seems to be pretty effective, much more so than just using the stainless potscrubber material alone.

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If it’s a cheap oil catch can, maybe trying another manufacturer might improve the catch? Dual cans do catch more, but in my experience, they’re mostly effective during winter, and the catch is maybe 80% water.

 

Another post here

https://priuschat.com/index.php?posts/3208423

And more pictures of my mesh screens. I also reversed the manufacturer's suggestion of which port is the inlet and which one is the outlet, the side with the large mesh screen is my outlet.

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Sintered bronze is better but are in expensive catch cans.

 

They are also potentially much more restrictive. If not kept clean, it could cause high crankcase pressures and potentially damage seals.

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I believe it is more important to provide as much surface area as possible for the oil vapor/droplets to condense and consolidate on, than it is to filter through a small size filter media.

My stainless steel fine mesh filters are made by rolling up the mesh into tubes with 3 to 4 layers of mesh in the wall, then one end is flattened and folded over to seal. Then the resulting cone is filled with stainless potscrubber to further increase the available surface area. In use, the oil mist/vapor does indeed condense and consolidate on the mesh and potscrubber material, then gravity pulls the oil down to the bottom of the mesh cone to drip into the catch can.

In this picture, you can see the oil at the bottom of the mesh cone (outlet side).

The sintered brass filter in those expensive oil catch cans have a sintered brass filter with the surface area about the size of the face of a quarter.

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why not just fill the catch can with a quality steel wool

 

What prevents the flow from the inlet from going over the top of the quality steel wool sitting in the bottom of the catch can and out the outlet?



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Catch cans are not complicated. Decent ones use chamber size, a labyrinth/baffle path and/or media to remove oil from the vapor. My 'steel wool' is the same thing you call 'pot scrubber'.

I'm curious about your photos in post 5. You say you reversed the manufacturers recommendation and made the larger port the outlet port. I've seen some that have a 'larger' inlet port because they had a bronze filter installed, was that the case with yours? You pulled that off and installed your mesh? You show the large screen mesh being packed with pieces of steel 'pot scrubber'. Last time I looked at one of these (and it's been a few years since my racing days) the inlet and outlet ports are completely open passages. You don't have any concerns having that material on your low pressure (suction) side of the can? Isn't that a bit like throwing loose debris on the throttle body side of your air filter? Are you going with the thought that it's relatively heavy and won't get pulled through? Am I misunderstanding your setup?

 

A good can with a baffle

and

why not just fill means more than a piece on the bottom

But I have zero work experience with mass produced catch cans, so maybe they don't have a decent baffle/condensing/drain system

 

It's 80 mesh from Amazon:

304 Stainless Steel Woven Wire 80 Mesh 0.18mm Hole - About 11.8 X 39.4 inch Roll(30cm X100cm)- Filter Screen Sheet Filtration Cloth Fine Wire Mesh

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