公开(公告)号：US2879891A

公开(公告)日：1959-03-31

申请号：US66540457

申请日：1957-06-13

Applicant: PFAUDLER PERMUTIT INC

Inventor： BEOHNER HARRY L ,  MILLER JR DURANDO

IPC: B01D24/48

CPC classification number: B01D24/14 ,  B01D24/4636 ,  B01D2201/087 ,  B01D2201/206

公开(公告)号：US2765920A

公开(公告)日：1956-10-09

申请号：US23314251

申请日：1951-06-23

Applicant: MARTIN WARREN S

Inventor： MARTIN WARREN S

IPC: B01D24/48 ,  B01D35/14

CPC classification number: B01D35/14 ,  B01D24/22 ,  B01D24/461 ,  B01D24/4869 ,  B01D2201/206

公开(公告)号：US2293051A

公开(公告)日：1942-08-18

申请号：US37612141

申请日：1941-01-27

Applicant: HUGH DUFFY CHARLES

Inventor： HUGH DUFFY CHARLES

IPC: B01L99/00

CPC classification number: B01D24/4631 ,  B01D24/12 ,  B01D2201/087 ,  B01D2201/206 ,  Y10T137/2897

公开(公告)号：US2289669A

公开(公告)日：1942-07-14

申请号：US29982839

申请日：1939-10-17

Applicant: NORTH AMERICAN RAYON CORP

Inventor： ALFRED MAXTON

IPC: B01D21/00

CPC classification number: B01D21/003 ,  B01D21/00 ,  B01D21/02 ,  B01D24/04 ,  B01D24/165 ,  B01D24/4631 ,  B01D36/04 ,  B01D2201/206

公开(公告)号：US807513A

公开(公告)日：1905-12-19

申请号：US1904194856

申请日：1904-02-23

Applicant: STADE GEORGE

Inventor： STADE GEORGE

CPC classification number: B01D24/12 ,  B01D24/007 ,  B01D24/06 ,  B01D2201/206

公开(公告)号：US625556A

公开(公告)日：1899-05-23

申请号：US625556D

CPC classification number: B01D24/4631 ,  B01D24/12 ,  B01D2201/206

公开(公告)号：US574511A

公开(公告)日：1897-01-05

申请号：US574511D

CPC classification number: B01D24/4869 ,  B01D24/12 ,  B01D24/4631 ,  B01D2201/206

公开(公告)号：US321228A

公开(公告)日：1885-06-30

申请号：US321228D

CPC classification number: B01D29/03 ,  B01D2201/206

公开(公告)号：NO803501A

公开(公告)日：1981-05-25

申请号：NO803501

申请日：1980-11-20

Applicant: STAHL WERNER

Inventor： STAHL WERNER

IPC: B01D33/06 ,  B01D33/00 ,  B01D33/04 ,  B01D33/073 ,  B01D35/31 ,  E21F13/02 ,  B01D

CPC classification number: B01D35/31 ,  B01D33/04 ,  B01D33/073 ,  B01D33/09 ,  B01D33/21 ,  B01D33/466 ,  B01D33/50 ,  B01D33/58 ,  B01D33/663 ,  B01D33/74 ,  B01D33/76 ,  B01D2201/204 ,  B01D2201/206 ,  B01D2201/282

Abstract: 1. A filtering apparatus having a filtering device operating under gage pressure and vacuum, comprising a layer of filtering material e.g. a filter cloth for extracting solid particles from liquids, characterized in that the filtering device is a vacuum-filtering device (10, 20, 40), and in that the whole vacuum-filtering device (10, 20, 40) including the bearings, the driving system, the controls and the like is placed in a gage pressure space (11) to which the operators have access, which is under gage pressure and which is shut off from the outside atmosphere.

公开(公告)号：SE7408040A

公开(公告)日：1974-12-20

申请号：SE7408040

申请日：1974-06-18

Applicant: KRAUSS MAFFEI AG

Inventor： HULTSCH G ,  ZEPPENFELD K ,  NIEDNER P ,  OSTERMEYER P

IPC: B04B3/00 ,  B01D33/11 ,  B04B20060101 ,  B04B3/04 ,  B04B11/02 ,  B04B15/08

CPC classification number: B04B15/08 ,  B01D33/11 ,  B01D33/74 ,  B01D33/82 ,  B01D2201/206 ,  B01D2201/208 ,  B01D2201/282 ,  B04B3/00 ,  B04B3/04 ,  B04B11/02 ,  B04B11/082 ,  Y10S494/90

Abstract: A method of operating a filter centrifuge or centrifugal filter in which a hydrostatic head is provided at the filtering surface so as to control liquid passage therethrough. The head may promote movement of the liquid through the filter layer or may induce reverse flow of liquid for backwashing or rinsing. In addition, a hydrostatic balance may be provided at this surface through control of the head to limit passage of the liquid through the filter layer. Preferably the head provides a suction augmenting centrifugal filtration.