ZA842774B - Backwashable filter - Google Patents

Backwashable filter

Info

Publication number
ZA842774B
ZA842774B ZA842774A ZA842774A ZA842774B ZA 842774 B ZA842774 B ZA 842774B ZA 842774 A ZA842774 A ZA 842774A ZA 842774 A ZA842774 A ZA 842774A ZA 842774 B ZA842774 B ZA 842774B
Authority
ZA
South Africa
Prior art keywords
backwashable filter
backwashable
filter
Prior art date
Application number
ZA842774A
Other languages
English (en)
Inventor
Mordeki Drori
Original Assignee
Mordeki Drori
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mordeki Drori filed Critical Mordeki Drori
Publication of ZA842774B publication Critical patent/ZA842774B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/157—Flow control valves: Damping or calibrated passages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8275—Indicator element rigidly carried by the movable element whose position is indicated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Control Of Fluid Pressure (AREA)
ZA842774A 1983-04-14 1984-04-13 Backwashable filter ZA842774B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL6840383A IL68403A (en) 1983-04-14 1983-04-14 Backwashable filter and control device particularly useful therein

Publications (1)

Publication Number Publication Date
ZA842774B true ZA842774B (en) 1984-11-28

Family

ID=11054185

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA842774A ZA842774B (en) 1983-04-14 1984-04-13 Backwashable filter

Country Status (6)

Country Link
US (2) US4614581A (xx)
JP (1) JPS60132611A (xx)
AU (1) AU560987B2 (xx)
GB (1) GB2137895B (xx)
IL (2) IL68403A (xx)
ZA (1) ZA842774B (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL75473A0 (en) * 1985-06-10 1985-10-31 Drori Mordeki Improved disc filter
US4978450A (en) 1986-02-11 1990-12-18 Mordeki Drori Filtering element
IL80341A (en) * 1986-10-16 1989-03-31 Rosenberg Peretz Pressure-regulator and back-flushable filter inculding same
IL83329A (en) 1987-07-26 1991-08-16 Drori Mordeki Filter apparatus
EP0347477A1 (en) 1988-06-21 1989-12-27 Mordeki Drori Filtering apparatus
US4923601A (en) * 1987-09-18 1990-05-08 Mordeki Drori Filter system having multiple filter elements and backflushing assemblies
US5015379A (en) 1988-03-16 1991-05-14 Mordeki Drori Coiled filter strip with upstream and downstream butt ends
IL88940A0 (en) 1989-01-12 1989-08-15 Drori Mordeki Filter apparatus
DE9017208U1 (de) * 1990-12-20 1991-03-07 Gebr. Müller Apparatebau GmbH & Co KG, 7118 Ingelfingen Stellungsanzeigevorrichtung
JPH0694143A (ja) * 1992-09-16 1994-04-05 Nippon Millipore Kogyo Kk 逆洗用ユニット
US5425876A (en) * 1993-10-25 1995-06-20 Claude Laval Corporation Gravity screen filter with dynamic backwash
IL110586A (en) * 1994-03-28 2000-07-26 Super Disc Filters Ltd Back-flushable filters
GB2290726B (en) * 1994-07-01 1997-10-08 Longwall Roof Supports Ltd A fluid filtering unit
AUPM921894A0 (en) * 1994-11-04 1994-11-24 Medical Plastics (Aust) Pty Ltd Filtering apparatus
USD386350S (en) * 1996-05-30 1997-11-18 Mike Mogadam Automated beverage dispenser
US5906751A (en) * 1997-10-10 1999-05-25 Parker; Leland L. Filtering apparatus with improved quick-opening backwash valve
EP0951929A3 (de) * 1998-04-21 2000-06-21 J.+ R. Gunzenhauser AG Rückspülbarer Filter
US6267879B1 (en) * 1999-08-11 2001-07-31 Odis Irrigation Equipment Ltd. Continuous liquid filtering apparatus with multi-layer sintered filtering element
US7025811B2 (en) * 2002-08-23 2006-04-11 Cleaire Advanced Emission Controls Apparatus for cleaning a diesel particulate filter with multiple filtration stages
US6878293B1 (en) 2002-09-25 2005-04-12 Raymond E. Portyrata Automatic valve assembly for water circulation systems
US9962632B2 (en) * 2015-04-28 2018-05-08 Baker Hughes, A Ge Company, Llc Inflow control device
BR112020012855A2 (pt) * 2018-01-25 2020-12-29 Amiad Water Systems Ltd. Sistema de filtragem
CN115379724B (zh) * 2022-08-02 2024-09-17 上海国动网络通信有限公司 一种通信基站用通风装置
CN117547773B (zh) * 2023-11-20 2024-05-14 江苏铭星供水设备有限公司 一种智慧型装配式消防箱泵

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2178463A (en) * 1938-09-09 1939-10-31 Bahnson Co Air filter
US2320011A (en) * 1940-02-06 1943-05-25 Damian L Reynolds Repeating mechanism
US3018791A (en) * 1958-08-08 1962-01-30 Hydril Co Valve control apparatus
IL23222A (en) * 1965-03-25 1968-12-26 Rosenberg P Automatic shut-off valve
US3460557A (en) * 1967-01-23 1969-08-12 Donald A Gallant Device for producing and regulating a pulsating pneumatic control signal
US4036433A (en) * 1975-11-06 1977-07-19 Robertshaw Controls Company Thermally operated control device and method of making the same
US4042504A (en) * 1976-05-23 1977-08-16 Mordeki Drori Self cleanable filters
IL50171A (en) * 1976-07-30 1979-07-25 Drori Mordeki Easily-cleanable filter
IL55622A0 (en) * 1978-09-22 1978-12-17 Drori Mordeki Backflushing fluid filter
JPS5627864Y2 (xx) * 1978-10-06 1981-07-03
AU5250379A (en) * 1978-11-17 1980-05-22 Mordeki Drori Backwashable filter
IL56550A (en) * 1979-01-31 1983-05-15 Drori Mordeki Differential-pressure valve and system including same
IL57320A (en) * 1979-05-17 1985-09-29 Drori Mordeki Backwashing fluid filters with differential-pressure sensor
US4450861A (en) * 1980-04-23 1984-05-29 Daniel Bouteille Compressed gas saving device

Also Published As

Publication number Publication date
IL104710A (en) 1994-05-30
GB2137895B (en) 1986-07-09
JPS60132611A (ja) 1985-07-15
GB8408881D0 (en) 1984-05-16
AU2639084A (en) 1984-10-18
AU560987B2 (en) 1987-04-30
GB2137895A (en) 1984-10-17
US4736671A (en) 1988-04-12
US4614581A (en) 1986-09-30
IL68403A (en) 1994-04-12
JPH0440046B2 (xx) 1992-07-01
IL68403A0 (en) 1983-07-31

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