Screw rotor machine and rotor profile therefor

Details Screw rotor machine and rotor profile therefor Screw rotor machine and rotor profile therefor

1982-02-03

1984-03-06

Smith, Leonard E.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

418150, F01C 116

Patent

active

044351399

ABSTRACT:
Screw rotor compressor comprising intermeshing male and female rotors. The leading flank of each male rotor groove comprises a portion intersecting with the pitch circle and following a circular arc having its center inside the pitch circle. In the point of intersection the tangent to the arc forms an angle of 0.25 rad to 0.75 rad with a radius of the rotor, and the radius of the arc forms an acute angle with a line connecting the center of the arc with the center of the rotor.

REFERENCES:
patent: 3314598 (1967-04-01), Lysholm
patent: 4028026 (1977-06-01), Menssen
patent: 4053263 (1977-10-01), Ingalls
patent: 4140445 (1979-02-01), Schibbye

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