Invention Grant
US4828454A Variable capacity centrifugal pump 失效
可变容量离心泵

Variable capacity centrifugal pump
Abstract:
A variable capacity centrifugal pump capable of directly varying capacity,r output, in response to existing back pressure. The pump comprises a axially movable shroud having female grooves in fluid tight communication with male impeller vanes. The shroud has a top face surface in fluid communication with a control cavity which in turn is in fluid communication with pump back pressure.
Public/Granted literature
Information query
Patent Agency Ranking
0/0