A device for removing entrained air or gas from fluids includes a first chamber having a fluid inlet and an outlet, a second chamber, adjacent said first chamber, having a plurality of channels, a porous barrier separating the first chamber and the second chamber and a vent in fluid communication with...http://www.google.com.au/patents/US6508859?utm_source=gb-gplus-sharePatent US6508859 - Method and apparatus for removing air or gas from fluid
