Screw rotor assembly for screw compressor

Details Screw rotor assembly for screw compressor Screw rotor assembly for screw compressor

1988-08-05

1990-01-02

Koczo, Michael

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

F04C 1712

Patent

active

048909912

ABSTRACT:
A screw rotor assembly for a screw compressor or the like includes a male screw rotor and a femal screw rotor having rotor teeth each having a profile consisting of a plurality of special curves designed to reduce both the length of the sealing line and the area of the blow hole. The confugurations of the male and female screw rotors reduces the abrasion of the screw rotor assembly as well as the length of the sealing line and the area of the blow hole, so that the performance of the screw rotor assembly is improved. The length of the sealing length and the area of the blow hole in the screw rotor assembly of the present invention are about 10% and about 50%, respectively, of those of the conventional screw rotor assembly.

REFERENCES:
patent: 3773444 (1973-11-01), Koch
patent: 4088427 (1978-05-01), Emanuelsson et al.
patent: 4140445 (1979-02-01), Schibbye
patent: 4350480 (1982-09-01), Bammert
patent: 4435139 (1984-03-01), Astberg
patent: 4527967 (1985-07-01), Ingalls

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