In liquid ring pumps having conical port members, cavitation and associated operating noise are reduced by providing a second subsidiary discharge port beyond the closing edge of the main discharge port in the direction of rotor rotation.
申请公布号
FI81179(B)
申请公布日期
1990.05.31
申请号
FI19840003931
申请日期
1984.10.05
申请人
NASH ENGINEERING COMPANY
发明人
OLSEN, OLE B.;BILIK, CHARLES;JOHNSON, HERBERT;JOZEPAITIS, CHARLES M.