Variable-pitch spacial internal meshing conical double-screw-rod compressor rotor and compressor
A conical twin-screw, compressor rotor technology, used in machines/engines, mechanical equipment, rotary piston pumps, etc., can solve the problems of not many profiles, difficult space meshing solutions, etc., to achieve high space utilization, Simple structure, simple processing and manufacturing effect
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[0118] The profile line of the inner rotor of the intermeshing conical twin-screw in the variable pitch space is C 1 , outer rotor profile C 2 is the inner rotor profile C 1 the conjugate curve. The inner and outer rotor profile C 1 and C 2 Helically scan with variable pitch along the axial direction to obtain the profile Σ of the inner and outer rotors 1 and Σ 2 . Its independent parameters include the number of teeth of the inner rotor Z 1 , m, n, radius R of the conical bottom surface of the inner rotor segment 1 and cone angle δ 1 , inner rotor pitch P, inner rotor helix angle γ 1 . Its design process is as follows:
[0119] 1) The number of inner rotor teeth Z is optimized based on the size of the volume and the pumping rate 1 , m, n, radius R of the conical bottom surface of the inner rotor segment 1 and cone angle δ 1 , inner rotor pitch P, helix angle γ 1 ;Take the number of inner rotor teeth Z 1 is 2, m is 2, n is 1.5, the bottom surface radius R of th...
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