Oil-flooded screw compressor with screw rotors having contact pr

Details Oil-flooded screw compressor with screw rotors having contact pr Oil-flooded screw compressor with screw rotors having contact pr

1997-08-08

1999-12-14

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

F04C 1816

Patent

active

060009209

ABSTRACT:
Radial cross sections of a male screw rotor and a female screw rotor at a contact portion therebetween for transmitting power from the female rotor to the male rotor are profiled in the shape of roulettes, for example, cycloids, generated by the rolling of rolling curves, for examples, circles, along pitch circles of the rotors.

REFERENCES:
patent: 3666384 (1972-05-01), Amosov et al.
patent: 3692441 (1972-09-01), Amosov et al.
patent: 4460322 (1984-07-01), Schibbye et al.
patent: 4575323 (1986-03-01), Yoshimura
patent: 4890991 (1990-01-01), Yoshimura
patent: 4989997 (1991-02-01), Yoshimura
patent: 5088907 (1992-02-01), Yoshimura
patent: 5123822 (1992-06-01), Yoshimura
patent: 5135374 (1992-08-01), Yoshimura et al.

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