I've seen some media releases about LG's linear compressor pump, and how it's 20% more efficient, can operate at a wider range of power levels. This all sounds great, but if the main reason for moving platforms was a reduction in internal friction, why not go all the way to a diaphragm pump. I don't know much about these, but just from the wikipedia page, there seems to be no drawbacks. Less friction, no need for cyclinder sealing, less noise, high efficiency. What am I missing?
Submitted March 04, 2015 at 06:25AM by benmww http://ift.tt/1B2Ht9E askscience
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