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What oil bath filter are made of?

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Santana

08-14-2001 20:47:54




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Hello, I am curious, what kind of material to produce oil bath filter? and how it works?

Thanks




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bg

08-15-2001 04:53:58




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 Re: What oil bath filter are made of? in reply to Santana, 08-14-2001 20:47:54  
The oil-bath filter is a hollow cylinder with an intake tube mounted in the center, concentrically. The space between the intake tube and the outer shell is filled with a woven or knitted wire mesh. The port that goes to the carburetor is located at the top of the cylinder. Air entering the cylinder travels down to the oil-filled cup at the bottom, where heavier particulate matter is trapped by the viscous oil. Oil-laden air is carried up through the mesh where it is deposited on the mesh. The oily mesh then traps minute dirt and dust and oil that eventually migrates downward(hopefully) to the oil cup, while the "clean" air goes to the carb intake.

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Santana

08-15-2001 10:46:48




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 Re: Re: What oil bath filter are made of? in reply to bg, 08-15-2001 04:53:58  
Thank you Chuck and bg.

Actually, I am in the process of producing oil bath filter using some kind of natural fibre. But I don't know what kind of glue should I use. Last time I used wooden glue mixed with water. It held okay though, but after we used it, then we had problems.

The problems are:
The oil goes inside the filter, then sprayed to the machine. The filter couldn't hold the pressure due to the glue that I used. It broken down.

if you have any advise for the type of glue, I will very appreciated.

Thank you.

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bg

08-16-2001 20:19:05




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 Re: Re: Re: What oil bath filter are made of? in reply to Santana, 08-15-2001 10:46:48  
What is the glue for? Use epoxy instead of wood glue. It has to be oil-resistant, water -proof, heat-resistant, etc.

You might have good success using boar hair matting. You can get it from Grainger, or buy a buffing pad from a janotorial supply. I think they use metal mesh for a reason, though. Probably something to do with electrostatic charges.

I think you'd make better use of your time developing a paper-catridge air filter for the N.

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Santana

08-16-2001 21:14:30




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 Re: Re: Re: Re: What oil bath filter are made of? in reply to bg, 08-16-2001 20:19:05  
Hello BG,

Thanks for the reply.
The glue is used for sticking all the fibre together.

So I summarize that the most important things in making an oil bath filter is that it has to be water resistant, oil resistant, and heat resistant.

I produce 100% natural fibre for the oil bath filter, so that there will be no other material such as metal mesh, paper, etc, this is due to the requirement of the project.

I will try to find epoxy, thanks for the tip.

FYI, I'm doing this project in South East Asia for one of the biggest Truck Manufacturer in the world. If this project is a success, we will see many natural oil bath filters replacing the current products, especially in European Countries.

I will send you couple of samples for free if you'd like.

Again, thanks for the tip, any other tips will be very much appreciated.

Best regards

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chuck

08-15-2001 05:53:13




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 Re: Re: What oil bath filter are made of? in reply to bg, 08-15-2001 04:53:58  
bg, Actually most of the dirt is slung out of the air by centrifugal force as it is forced to turn 180 degrees at the bottom of the filter. The sticky surface of the oil then captures the particles. The circulation of the oil between the inside and the outside of the cup in the lower filter is supposed to continuously provide a clean surface to better trap dirt. The oily wire mesh is there to capture fine dirt that makes it past the 180 degree turn at the bottom.

chuck
436244

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bg

08-15-2001 09:50:35




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 Re: Re: Re: What oil bath filter are made of? in reply to chuck, 08-15-2001 05:53:13  
I think that's what I described. Excuse me for failing to go into the details of the physics involved.



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chuck

08-15-2001 10:08:05




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 Re: Re: Re: Re: What oil bath filter are made of? in reply to bg, 08-15-2001 09:50:35  
bg, Sorry, I read it fast and then responded. I missed some of what you said.

chuck
436244



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Tyler (MD)

08-15-2001 15:13:07




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 Re: Re: Re: Re: Re: What oil bath filter are made of? in reply to chuck, 08-15-2001 10:08:05  
You'll have to excuse bg, chuck. He's been working on his 8N restoration way too much lately and could be a little tired and short. :-)

Keep up the good work bg,

Ty-she-moto



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