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公开(公告)号:US3671135A
公开(公告)日:1972-06-20
申请号:US3671135D
申请日:1970-05-15
CPC分类号: F04D9/002 , F04D29/4273 , F04D29/448
摘要: CENTRIFUGAL PUMPS HAVING AN IMPELLER AT THE LOWER END OF A VERTICAL SPINDLE, A CASING SURROUNDING THE IMPELLER, AN INTAKE OPENING THROUGH THE UPPER WALL OF THE CASING AND A FEED CHAMBER SURROUNDING THE SPINDLE AND COMMUNICATING WITH THE INTAKE OPENING ARE MODIFIED, IN ORDER TO HANDLE FROTHY FLUIDS BY VANING THE PERIPHERY OF THE OPENING IN THE CASING SO THAT PART OF THE FEED IS RETURNED TO THE FEED CHAMBER WITH INCREASED ENERGY CAUSING A SHEARING VORTEX MOTION IN THE FEED CHAMBER.
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公开(公告)号:US3446149A
公开(公告)日:1969-05-27
申请号:US3446149D
申请日:1967-02-02
申请人: HOMER C AMOS , EDWARD T STRICKLAND
发明人: AMOS HOMER C , STRICKLAND EDWARD T
CPC分类号: F04D9/002 , C03B5/1875 , C03B37/08 , F04D5/001
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公开(公告)号:US2744466A
公开(公告)日:1956-05-08
申请号:US31134552
申请日:1952-09-25
申请人: THOMPSON PROD INC
发明人: DIFFORD LE ROY A
CPC分类号: F04D29/708 , F04D9/002 , Y10T137/8085
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公开(公告)号:US2699907A
公开(公告)日:1955-01-18
申请号:US7844249
申请日:1949-02-25
申请人: THOMPSON PROD INC
发明人: SMITH FREDERICK E , HELLMAN RUNE S
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公开(公告)号:US2494086A
公开(公告)日:1950-01-10
申请号:US51226343
申请日:1943-11-29
申请人: THOMPSON PROD INC
发明人: CURTIS RUSSELL R
IPC分类号: F04D9/00
CPC分类号: F04D9/002
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公开(公告)号:US2461865A
公开(公告)日:1949-02-15
申请号:US49366243
申请日:1943-07-06
申请人: NASH ENGINEERING CO
发明人: ADAMS HAROLD E
IPC分类号: F04D9/00
CPC分类号: F04D9/002
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公开(公告)号:US2422956A
公开(公告)日:1947-06-24
申请号:US60510745
申请日:1945-07-14
申请人: LOWELL EDWARDS MILES
发明人: LOWELL EDWARDS MILES
IPC分类号: F04D9/00
CPC分类号: F04D9/002
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公开(公告)号:US2408775A
公开(公告)日:1946-10-08
申请号:US50616543
申请日:1943-10-14
申请人: PESCO PRODUCTS CO
发明人: GREENWOOD ROBERT P
IPC分类号: F04D9/00
CPC分类号: F04D9/002
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公开(公告)号:US2402398A
公开(公告)日:1946-06-18
申请号:US48897243
申请日:1943-05-29
申请人: PESCO PRODUCTS CO
发明人: HARPSTER HARRY H
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公开(公告)号:US2392128A
公开(公告)日:1946-01-01
申请号:US54834544
申请日:1944-08-07
申请人: CURTIS PUMP CO
发明人: DINSMORE THEODORE R
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