Study on Mesh-apart Angle and Discharge Angle of Scroll Compressor with Symmetrical Circular Arc plus Line-Shaped Top Profile

Study on Mesh-apart Angle and Discharge Angle of Scroll Compressor with Symmetrical Circular Arc plus Line-Shaped Top Profile

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In design and calculation of scroll compressor with bicycles symmetrical circular arc plus line-shaped top profile, rotating angle of crankshaft at the very moment when centre compression chamber is formed is totally different from that at the beginning of the discharge.There is no complete and distinct elaboration about the two kinds of angles yet, so it may cause large errors in calculating different compression chambers.Through in-depth research on the geometric property of scroll compressor with symmetrical circular arc plus line-shaped top profile, mesh-apart angle and discharge angle are defined and distinction between them is illustrated.According to the feature that reduction of centre compression chamber is due to an increase in wall thickness of top profile, the calculation formula of mesh-apart angle is derived elaborately and the methods Dice Accessories to calculate the expanded volume of wall thickness of top profile and discharge angle after modification are presented.

The difference between mesh-apart angle and discharge angle is verified through calculation example, it is mentioned that discharge angle of scroll compressor can make an impact on design of discharge port.