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The design and features of Floating Scroll Dry Vacuum Pumps

Liam Zhou, Sam Ni

Abstract: With the development of Scroll Technology, dry scroll vacuum pumps have been expected to be an ideal solution to provide clean vacuum.  Due to the difficulties of sealing technology and machining accuracy, the conventional scroll pumps couldn¡¯t fully perform the advantages of scroll technology in many applications, therefore the scroll pumps are not widely used in practice. The Floating Dry Scroll technology, having obvious advantages over conventional scroll technology, makes a significant breakthrough by resolving the difficulty of the pressure balance of the orbiting scroll. In this article, we will go through the existing scroll vacuum technology and its difficulties caused by no sealing oil and machining accuracy, and then explain the Floating Scroll Technology with its advantages. The Floating Scroll Pumps have absolute advantages over other pumps according to the testing results, and the market has shown very positive feedbacks for Floating Dry Scroll Pumps.

Key words: clean vacuum; dry scroll pump; floating dry scroll pump

 

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