Simple Centrifuge
Clean waste vegetable oil (WVO), bio diesel, lube oils, and even hydraulic oil in your garage
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Photo Gallery - This gallery represents the work over several years. Some designs have been replaced and/or updated as time progressed. Most images contain a date stamp visable on the large version. Please note the date when viewing. We are always experimenting with new concepts and designs. If you have any questions about any photo please contact us.
Total photos in gallery 1296 - Latest photo update 2021/12/10 18:48:01
Asterisk(*) indicates new photos in the past 30 days
Adapter 56C to 56J ( 15 )
Algae Recovery ( 42 )
Bacterial fermentation ( 1 )
Balancer Mandrels ( 8 )
Bearing replacement ( 25 )
Botry Culture ( 2 )
Building a gantry ( 16 )
Chestnut Extract ( 9 )
CNC Coolant ( 6 )
Coconut Oil ( 8 )
Construction ( 43 )
Contaminated diesel ( 2 )
Craig's Machine ( 31 )
Cross Drill End Bell ( 10 )
Crude oil ( 5 )
Custom motor shaft ( 23 )
Experimental Motor ( 19 )
Explosion proof motor ( 3 )
Feed Cone ( 29 )
Feed Cone with Fins ( 8 )
Feed Tube ( 3 )
Filter Paper ( 7 )
Ford on WMO ( 2 )
Foundry ( 5 )
Foundry 2 ( 18 )
Gear pump ( 2 )
Grinding fluid ( 19 )
Grinding fluid 2 ( 14 )
Heaters ( 9 )
History ( 11 )
Homemade Diesel ( 7 )
Homemade diesel 2 ( 41 )
Homemade Diesel 3 ( 15 )
Homemade Diesel 4 ( 12 )
How it works ( 3 )
Hydraulic Oil ( 3 )
Keyless Bushing ( 11 )
Lab Centrifuge ( 16 )
Lab Centrifuge 2 ( 18 )
Lapidary Cutting Oil ( 2 )
Lock motor shaft ( 6 )
Magnesol removal ( 6 )
Microwave heater ( 7 )
Misc. Mods ( 4 )
Mitsubishi 4x4 on WMO ( 10 )
New Feed Cone ( 16 )
New Feed Tube ( 7 )
New Rotor 2013 ( 24 )
New rotor design ( 16 )
Oil and Contaminants ( 47 )
Oil Skimmer ( 8 )
Our Shop ( 37 )
Peristaltic Pump ( 32 )
Powder Coating ( 10 )
Renderings ( 8 )
Retrofit rotor for WVOD ( 17 )
Rework Mount ( 10 )
Rotor fins ( 34 )
Rotor Fins One Piece ( 6 )
Seal ( 6 )
Sea Weed ( 4 )
Sediment removal ( 16 )
See thru lid - Building ( 16 )
See thru lid - Testing ( 28 )
Sight Glass ( 6 )
Skim Tube ( 56 )
Skim Tube for VCO ( 8 )
Small Settling Tank ( 14 )
Tanks ( 9 )
Tanks - Complete System ( 13 )
Tap drain ( 10 )
Testing Seal Screws ( 6 )
Tests by fuelfarmer ( 22 )
Turn key machine ( 38 )
Two part rotor ( 30 )
Ultrasonic filter cleaning ( 8 )
Updates ( 26 )
Users Machines ( 34 )
Vacuum pickup ( 3 )
VW on WMO ( 7 )
Water-Oil Seperator ( 7 )
Water trap ( 5 )
Wine Clarification ( 4 )
WVO Heat Tests ( 7 )
WVO Pump ( 6 )
WVO Tests ( 14 )
 Updates
Modification and updates to our parts.
Stainless steel machined nut and a machined flat shoulder for it to snug down to. Not only does it improve the bowls balance but it also makes the bowl easier to remove. Beginning 06/26/07 all bowls will ship with this hub configuration. Image of our new three hole drain design. The three holes provide improved balance and draining. This is our newest rotor design. Note the new radiused inside corners. It make cleaning a bowl even easier.
Stainless steel machined nut and a machined flat shoulder for it to snug down to. Not only does it improve the bowls balance but it also makes the bowl easier to remove. Beginning 06/26/07 all bowls will ship with this hub configuration. Image of our new three hole drain design. The three holes provide improved balance and draining. This is our newest rotor design. Note the new radiused inside corners. It make cleaning a bowl even easier.
Cut-away of the rotor shows the new radiused corners. This rotor is half off, you choose which half you'd like. Added 0.25 Shaft cover. This protects the trantorque.
Cut-away of the rotor shows the new radiused corners. This rotor is half off, you choose which half you'd like. Added 0.25" sling lip to the bottom of the bowl. Shaft cover. This protects the trantorque.
This is the shaft cone installed. We just added a drip lip to the lid. The o-ring groove on the top has been redesigned using the proper gland design for the viton o-ring we use. This design is good for 2100 psi.
This is the shaft cone installed. We just added a drip lip to the lid. The o-ring groove on the top has been redesigned using the proper gland design for the viton o-ring we use. This design is good for 2100 psi.
This is the redesigned o-ring groove with the o-ring in place. Notice the added width, this allows the o-ring to squish the proper amount and make a good seal. It also makes removing and cleaning the o-ring and groove a snap. New forsheda seal design. New forsheda seal design with seal installed.
This is the redesigned o-ring groove with the o-ring in place. Notice the added width, this allows the o-ring to squish the proper amount and make a good seal. It also makes removing and cleaning the o-ring and groove a snap. New forsheda seal design. New forsheda seal design with seal installed.
New two part rotor. This rotor holds a half gallon. It also includes a feed cone that forces all the incoming oil into the outside wall of the rotor, subjecting all incoming material to the maximum g-force. New lid design to accommodate the feed cone. This shows the feed cone and feed tubes.
New two part rotor. This rotor holds a half gallon. It also includes a feed cone that forces all the incoming oil into the outside wall of the rotor, subjecting all incoming material to the maximum g-force. New lid design to accommodate the feed cone. This shows the feed cone and feed tubes.
New base for the feed cone. Increased the trantorque clearance by 0.05 Changed the mount to a fast taper. Fast taper is machined from stainless steel. This is the taper installed in the rotor.
New base for the feed cone. Increased the trantorque clearance by 0.05" to prevent interference and/or loosening of the trantorque during dis-assembly. Increased thread depth and thickened the cone top. Old version on the left, new version on the right. Changed the mount to a fast taper. Fast taper is machined from stainless steel. This is the taper installed in the rotor.
This is the taper installed on the motor shaft. The new mount allowed us to raise the inner shoulder a lot. This is the seal installed.
This is the taper installed on the motor shaft. The new mount allowed us to raise the inner shoulder a lot. This is the seal installed.
This is the taper installed. This is the re-designed bottom of the rotor. The o-ring has also been increased to a thicker version. Modified the feed cone mounting to accommodate the new design.
This is the taper installed. This is the re-designed bottom of the rotor. The o-ring has also been increased to a thicker version. Modified the feed cone mounting to accommodate the new design.
We've eliminated the tubes from the feed cone. The bottom has been replaced with an angled plate that forces all the incoming material to the bottom of the rotor near the outside edge. The oil then must rise 4 inches before it exits. This is the bottom view of the re-designed feed cone. The incoming oil passes through the slots and is forces along the angled plate to the outside edge of the rotor.  
We've eliminated the tubes from the feed cone. The bottom has been replaced with an angled plate that forces all the incoming material to the bottom of the rotor near the outside edge. The oil then must rise 4 inches before it exits. This is the bottom view of the re-designed feed cone. The incoming oil passes through the slots and is forces along the angled plate to the outside edge of the rotor.  
Numeric Control, LLC
PO Box 916
Morton, WA 98356