G - Physics – 01 – F
Patent
G - Physics
01
F
73/144
G01F 3/04 (2006.01) G01F 1/22 (2006.01)
Patent
CA 1184400
12 ABSTRACT OF THE DISCLOSURE A volume flow meter for the measurement of the flow quantity of a liquid, which meter comprises a cylindri- cal flow channel (3), which has an inlet point (10) and an outlet point (12) for passing the liquid to be measu- red through the measurement channel. In the measurement channel, there is an axially moving, spring-loaded indicator piston (4), which is shifted by the liquid in the measurement channel into different positions depen- ding on the flow quantities. In the wall of the measure- ment channel, there is an outflow slot (27) for the liquid, which slot becomes deeper from the inlet point to the outlet point. The meter is provided with a reversing valve (17), by means of which the flow of the liquid to be measured can be guided through the by- passing channel (26) to the opposite side (3') of the indicator piston (4), as seen from the inlet point (10), so as to shift the indicator piston towards the inlet point. This movement of the indicator piston wipes the wall of the measurement channel clean from impurities. In the indicator piston, there is a flow connection from the said opposite side to the outflow slot of the measurement channel.
407567
Safematic Oy
Swabey Ogilvy Renault
LandOfFree
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