Rodionov Yu.V.Liquid Ring Vane Vacuum Pumps. Trends in Development of Vacuum Technology // Scientific article. Journal "Transactions of the TSTU", vol. 12 , Tambov. TSTU publisher house , 2006. (pdf-file) Abstract: The operating conditions of liquid ring vacuum pumps and factors which influence the vacuum treatment process efficiency have been considered. Trends in liquid ring vacuum pump designing allowing to build optimal models illustrated by the concrete example have been suggested.