公开(公告)号：US5156535A

公开(公告)日：1992-10-20

申请号：US607179

申请日：1990-10-31

申请人： Allan R. Budris ,  William D. Hessler ,  Ramesh M. Patel ,  Shmariahu Yedidiah

发明人： Allan R. Budris ,  William D. Hessler ,  Ramesh M. Patel ,  Shmariahu Yedidiah

IPC分类号： F04D15/00 ,  A61H33/00 ,  F04D13/06 ,  F04D29/08 ,  F04D29/12 ,  F04D29/16 ,  F04D29/22 ,  F04D29/28 ,  F04D29/30 ,  F04D29/42 ,  F04D29/44 ,  H02K5/08 ,  H02K23/66

CPC分类号： H02K23/66 ,  A61H33/60 ,  F04D13/06 ,  F04D29/126 ,  F04D29/167 ,  F04D29/2277 ,  F04D29/281 ,  F04D29/422 ,  F04D29/4273 ,  H02K5/08 ,  A61H33/00

摘要： A pump for Whirlpool and Spa applications has a series wound universal motor which is directly coupled to a centrifugal impeller for operation in the range of 4000 to 9000 RPM. Variable speed of the pump is easily accomplished with a universal motor by varying the voltage to the motor.

公开(公告)号：US3588280A

公开(公告)日：1971-06-28

申请号：US3588280D

申请日：1969-08-19

申请人： SHMARIAHU YEDIDIAH

发明人： YEDIDIAH SHMARIAHU

IPC分类号： F04D29/22 ,  F04D19/02 ,  F01D1/12 ,  F04D29/18

CPC分类号： F04D29/2277

摘要： A CENTRIFUGAL PUMP INDUCER COMPOSED OF A NUMBER OF BLADE SETS WITH CONSECUTIVELY INCREASING DIAMETERS, EACH SET

OF BLADES BEING CAPABLE OF INCREASING THE ENERGY OF THE PUMPED FLUID.