Rotary expansible chamber devices – Interengaging rotating members – Each tapered
Patent
1989-03-30
1990-08-28
Koczo, Michael
Rotary expansible chamber devices
Interengaging rotating members
Each tapered
4182013, F04C 1816
Patent
active
049521250
ABSTRACT:
A nonlubricated screw fluid machine comprising a pair of rotors including male and female screw rotors provided with a dual lead tooth profile on the basis of the difference in the temperature between the outlet side and the inlet side when forming tapered rotors considering the temperature distribution within the rotors in which each of the shape of the male and female rotors after the thermal expansion is employed as a basic tooth profile.
REFERENCES:
patent: 2922377 (1960-01-01), Whitfield
patent: 3179330 (1965-04-01), MacColl
patent: 3807911 (1974-04-01), Caffrey
patent: 4475878 (1984-10-01), Kasuya et al.
patent: 4695233 (1987-09-01), Miyoshi et al.
Hitachi , Ltd.
Koczo Michael
Makosy Douglas J.
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