Flow meter with helical toothed rotors having no pulsation and z

Details Flow meter with helical toothed rotors having no pulsation and z Flow meter with helical toothed rotors having no pulsation and z

1979-07-02

1982-05-11

Vrablik, John J.

Rotary expansible chamber devices

Working chamber surface expressed mathematically

418201, 73261, F01C 116, G01F 310

Patent

active

043291309

ABSTRACT:
This invention relates to a positive displacement flow meter with helical toothed rotors, in which respective tooth profiles are continuously contacted with each other in order not to cause any blockage of fluid between the respective tooth profile curves. The flow meter has a pair of helical toothed rotors which are rotatable each other with no pulsation and the tooth-to-tooth surface contact pressure is maintained zero. Each of the two rotors has the same profile and the same size. Further, a plurality of curved projections can be mounted on a tooth profile of each rotor.

REFERENCES:
patent: 2159744 (1939-05-01), Maglott
patent: 2462924 (1949-03-01), Ungar
patent: 2530173 (1950-11-01), Oldberg
patent: 2701683 (1955-02-01), Whitfield
patent: 3164099 (1965-01-01), Iyoi
patent: 4210410 (1980-07-01), Ohtani

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