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DIY silent air compressor

A couple of videos where I explain how to turn a compressor from a fridge into a silent air compressor.

kerimilkerimil
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6.3k views
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  • Description
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  • Video playlist - how to modify a fridge compressor
fridge compressor silent air compressor pneumatics vacuum pump pressure air compressor compressor

This project was created on 03/07/2014 and last updated 11 years ago.

Description

A series of videos where I describe how to modify a fridge compressor into a silent air compressor. I discuss the overall process, how to remove it from an old fridge, wiring, a simple homemade compression fitting and how to test the motor windings and PTC relays. If you have any questions or comments feel free to post them. I'll be adding a video on how to use them as vacuum pumps soon

Details

Components

  • 1 × fridge compressor either remove one from a fridge or buy as a replacement part
  • 1 × on/off switch simply put it in place of the thermostat
  • 1 × a fitting to attach to the outlet tube I prefer to use compression fittings for convenience, but you might as well use brazing or just clamp on flexible tubing over the tube

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kerimil wrote 04/07/2014 at 23:20 • point
10 litre tank to 400 psi in about 10 minutes. Overall it's flow is rather low, but it can reach much higher pressures than normal shop compressors (500 psi and more)

  Are you sure? yes | no

phil wrote 03/24/2014 at 20:04 • point
I have been looking into doing this to my compressor, although brand new the direct drive is far too noisy to use, would this be able to fill a large tank within a reasonable time?

  Are you sure? yes | no

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