Screw rotor machine and rotor profile therefor

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

1986-02-25

1987-12-29

Croyle, Carlton R.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

F04C 1816

Patent

active

RE0325686

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: 4088427 (1978-05-01), Emanuelsson et al.
patent: 4140445 (1979-02-01), Schibbye
patent: 4350480 (1982-09-01), Bammert
patent: 4460322 (1984-07-01), Schibbye et al.
patent: 4527967 (1985-07-01), Ingalls

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