Measuring and testing – Volume or rate of flow – Expansible chamber
Patent
1988-01-26
1989-05-09
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Expansible chamber
G01F 300
Patent
active
048277673
ABSTRACT:
A flow meter has a rotor with vanes. The rotor is mounted with sealing clearances in a casing and defines therewith a working space. The casing has fluid admission and discharge ports and recesses for accommodation of rollers. Peripheries of the rollers define with the recess surfaces and with the rotor surface other sealing clearances dividing the working space into fluid admission and discharge chambers. The rollers are made with grooves for the rotor vanes to pass therethrough. Each recess has pockets, and a sealing land is defined between the pockets. The valve of any sealing clearance ranges from 0.0005 to 0.0002 times the roller diameter.
REFERENCES:
patent: 3304781 (1967-02-01), Stevenson
Batakshova Natalya D.
Boiko Valentina F.
Bukhonov Alexei D.
Domogatsky Viktor V.
Filimonov Vladimir M.
Goldstein Herbert
Moskovsky Institut Inzhenerov Zheleznodorozhnogo Transporta
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