Engel - A Legend In Reliability

‘Legend in reliability’ they say, and they’re right. The unbustable Sawafuji swing motor has only one moving part and simple is best in the outback where fridges get hammered by heat and vibration. Put that in a bullet proof body and you’ve got the only fridge that’ll last a lifetime. I’ve run heaps of fridges because I had too, and nearly always had my old Engel in the back because I know it’ll still be working when the others warm up…

Engel’s Swafuji Motor

Unique to Engel this purpose built compressor is designed to be a portable refrigeration compressor and is one of the key reasons why ENGEL is ‘A LEGEND IN RELIABILITY’. What is the first rule in engineering? Keep it simple!  The Sawafuji Swing Motor is a true reciprocating compressor; it has only one moving part. It doesn’t get any simpler. The piston is connected to an electro  dynamic device which is powered by the use of magnetic fields. With this technology there is no need for bearings, cranks or con-rods, so less moving parts means less chance of failure. With only one moving part there is a very low friction loss which means this is a highly efficient compressor.  It has no high start up current draw because when it starts up it can simply move down just a fraction then return. Then it slowly increases the distance the piston travels each stroke until it reaches a full stroke. The Sawafuji Swing Motor does not need to perform a full stroke on start up unlike many rotary type compressors that must perform a complete cycle and need much more current to start.

Because this is purpose built and designed to be a portable refrigerator compressor it has to be engineered to take the harshest of Australian conditions. The Sawafuji Swing Motor is located inside the compressor casing with pins locating in rubber bushes then suspended in between shock absorbent springs. It operates at 30 degrees angles and on rough corrugated tracks without losing efficiency.


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