Multi-stage screw-compressor with different tooth profiles

Details Multi-stage screw-compressor with different tooth profiles Multi-stage screw-compressor with different tooth profiles

1974-12-03

1978-01-17

Vrablik, John J.

Rotary expansible chamber devices

Multistage

Interengaging rotary members

418199, 418200, 418201, F01C 116, F01C 1100, F04C 1712, F04C 2300

Patent

active

040689840

ABSTRACT:
A screw compressor has at least two pairs of compressor rotors arranged in series, the outside diameter of the rotors of the two pairs being substantially the same, and the ratio of the outside diameter to the diameter at the base of the rotor teeth or vanes of the second pair being such that the capacity of the rotors corresponds to the intake volume of fluid to be compressed flowing from the first to the second pair of rotors.

REFERENCES:
patent: 2975963 (1961-03-01), Nilsson
patent: 3209990 (1965-10-01), Akerman
patent: 3265292 (1966-08-01), Schibbye
patent: 3279682 (1966-10-01), Vagenius
patent: 3622256 (1971-11-01), Borisoglebsky et al.
patent: 3910731 (1975-10-01), Persson et al.

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