Dry scroll vacuum pump technology status and development trend
Posted on Tue, 22 May 2018 08:08:53 +0000
1. Introduction Scroll oil-free vacuum pump concept is quite old, early 20th century have patented vortex technology in the world. However, due to technical limitations at that time, oil-free scroll vacuum pump bodies manufactured out, scroll concept will be forgotten. 1973 scroll mechanism being...
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