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REN Exhaust Condenser


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  #1  
Old 04-21-2016, 10:17:39 PM
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Reed Engine Reed Engine is offline
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Default REN Exhaust Condenser

Have you ever seen one before? This is the only one I've seen. I took it off the engine and put it up with my other odd collection.





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Old 04-21-2016, 10:27:24 PM
Thob Thob is offline
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Default Re: REN Exhaust Condenser

So it looks like a small amount of exhaust goes up the copper pipe and into the aluminum with fins, where water from the exhaust condenses and flows down the rubber hose into the float valve, which maintains the water level in the engine. Clever! Is there anything inside the aluminum part?

On another note, I noticed there's a fire just south of Hominy. Is everything OK where you are?
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Old 04-21-2016, 10:53:55 PM
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Default Re: REN Exhaust Condenser

Don't see any fire from my house. It's normal for the cowboys to burn off the grazing pastures this time of year. I thought they were all about done though?

Guess I should open that finned canister up and see what's in there.
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Old 04-22-2016, 10:32:00 AM
Andrew Mackey Andrew Mackey is offline
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Default Re: REN Exhaust Condenser

Neat idea but - I don't know if I want corrosive combustion by products going into my coolant system! If this is a gasoline engine, sulfur dioxide is a combustion by product. Mixed with water (humidity) in the air, it forms sulfuric acid (acid rain) Needless to say, adding acid to your coolant isn't a good idea! many oil and gas wells also produce sulfur di-oxide from the ground - same result. Even diesel fuel has sulfur in it. Now low sulfur fuel is being made, but it is still there! If you are absolutely sure there is no sulfur in your fuel, then the condenser probably is a good idea.
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Old 04-22-2016, 08:19:21 PM
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Default Re: REN Exhaust Condenser

The guy was thinking that made it for sure. Probably wasn't all that great or I'd seen another.
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Old 04-27-2016, 03:56:41 AM
Greg Mosley Greg Mosley is offline
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Default Re: REN Exhaust Condenser

Greetings Reed, Thought I would give my two cents. This REN Device I believe has nothing to do with condensing the exhaust vapor. I believe its just a pre-heater for an incoming external coolant supply. Note on the side of the cylinder the secondary device says water level. A float system and check to admit the coolant as the level drops. Maybe it was a pesky engine that had a tendency to use coolant. Enuf Said
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Old 04-27-2016, 10:59:10 AM
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Default Re: REN Exhaust Condenser

Your theory is as good as anyone's at this point. When I get time I am going to open up that finned cylinder to see what's in there. The only question I have about your comments is why would you preheat coolant?
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Old 04-29-2016, 07:31:51 PM
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Default Re: REN Exhaust Condenser

The bottom where the exhaust comes in.



The top of the tube in the first photo.



On top of that tube is a spring loaded valve.



It looks exactly as Thob guessed. The top section was place for condensation to accumulate then gravity feed down to the check valve and as needed the check would open and add the water. Yes, it was nasty in there and I bet that water would have been not the best thing ever added to an engine's coolant system.
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Old 05-15-2016, 11:12:20 AM
Wayne 440 Wayne 440 is online now
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Default Re: REN Exhaust Condenser

"REN" is probably Robert E. Nelson- Nelson has filed several patents relating to exhaust condensers etc.
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Old 05-15-2016, 04:53:47 PM
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Default Re: REN Exhaust Condenser

I looked up the patent number and yes it's his.
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