BALL-TYPE FLOW RATE CONVERTER Russian patent published in 2013 - IPC G01F1/05 

FIELD: physics.

SUBSTANCE: proposed converter comprises case 1 accommodating bush 2 with elements 3, for example, vanes to revolve measured fluid flow about vertical axis. Inner surface of case 1 and outer surface of bush 2 form circular chamber 4 to house ball sensor 5. Converter 6 of ball rpm into electric signal is arranged on outer side of case 1. Bush 2 has channels 8 made on the side of said circular chamber 4 to communicated flow rate converter inlet with open circular chamber 4. Rolling path is composed of spacer ring 9 arranged between inner surface of case 1 and outer surface of limit bush 2.

EFFECT: higher accuracy of determination, longer life and better maintainability.

1 dwg