Apparatus for a paper-making machine for delivering liquid...

Details Apparatus for a paper-making machine for delivering liquid... Apparatus for a paper-making machine for delivering liquid...

D - Textiles, Paper

21

F

D21F 5/14 (2006.01) D21F 3/02 (2006.01) D21F 5/10 (2006.01) D21G 1/02 (2006.01)

Patent

CA 2185747

An apparatus for a paper-making machine for delivering liquid from a first level in a first space into a second space containing liquid on a second higher level, comprises pressure means for exerting a first gas pressure over the liquid in the first space, pressure means for exerting a second gas pressure over the liquid in the second space within the second gas pressure being smaller than the first gas pressure, a line communicating with the first and second spaces for carrying the flow from the first space to the second space in accordance with the respective gas pressures, a throttle valve provided within the line, and a controller for controlling the flow through the throttle valve such that the flow reduces as the gas flow rises and increases as the gas flow decreases. The apparatus overcomes inconsistent operation associated with prior devices.

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