GB2293333C - Self cleaning filter or screening system for a pump - Google Patents

Self cleaning filter or screening system for a pump

Info

Publication number
GB2293333C
GB2293333C GB9518497A GB9518497A GB2293333C GB 2293333 C GB2293333 C GB 2293333C GB 9518497 A GB9518497 A GB 9518497A GB 9518497 A GB9518497 A GB 9518497A GB 2293333 C GB2293333 C GB 2293333C
Authority
GB
United Kingdom
Prior art keywords
pump
screening system
cleaning filter
self cleaning
self
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB9518497A
Other versions
GB9518497D0 (en
GB2293333B (en
GB2293333A (en
Inventor
Hosford James Peter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26305600&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2293333(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB9418218A external-priority patent/GB9418218D0/en
Application filed by Individual filed Critical Individual
Priority to GB9518497A priority Critical patent/GB2293333C/en
Publication of GB9518497D0 publication Critical patent/GB9518497D0/en
Publication of GB2293333A publication Critical patent/GB2293333A/en
Application granted granted Critical
Publication of GB2293333B publication Critical patent/GB2293333B/en
Publication of GB2293333C publication Critical patent/GB2293333C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • 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
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/58—Power supply means for regenerating the filter
    • B01D2201/583—Power supply means for regenerating the filter using the kinetic energy of the fluid circulating in the filtering device

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB9518497A 1994-09-09 1995-09-11 Self cleaning filter or screening system for a pump Expired - Lifetime GB2293333C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9518497A GB2293333C (en) 1994-09-09 1995-09-11 Self cleaning filter or screening system for a pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9418218A GB9418218D0 (en) 1994-09-09 1994-09-09 Method and apparatus for pumping and filtering
GB9518497A GB2293333C (en) 1994-09-09 1995-09-11 Self cleaning filter or screening system for a pump

Publications (4)

Publication Number Publication Date
GB9518497D0 GB9518497D0 (en) 1995-11-08
GB2293333A GB2293333A (en) 1996-03-27
GB2293333B GB2293333B (en) 1998-02-25
GB2293333C true GB2293333C (en) 2007-12-07

Family

ID=26305600

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9518497A Expired - Lifetime GB2293333C (en) 1994-09-09 1995-09-11 Self cleaning filter or screening system for a pump

Country Status (1)

Country Link
GB (1) GB2293333C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9907880D0 (en) 1999-04-08 1999-06-02 Hosford James P Dual pump
EP1363717A1 (en) 2001-01-18 2003-11-26 Nicholas Jackson Filter
ATE341385T1 (en) * 2003-12-10 2006-10-15 Christian Reining FILTER DEVICE WITH A FILTER HOSE AND A CLEANING DEVICE FOR THE FILTER HOSE
RU2008129006A (en) * 2007-07-09 2010-01-20 Одис Ирригэйшн Эквипмент Лтд (Il) METHOD AND DEVICE FOR FILTER REVERSE RINSING
GB201504461D0 (en) 2015-03-17 2015-04-29 Perkins Keith And Back Christopher C Amperometric analyser assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1485989A (en) * 1975-05-23 1977-09-14 Plenty Group Ltd Filter with backflushing device
DE2605384C3 (en) * 1976-02-26 1981-04-30 Penzenskij zavod chimičeskogo mašinostroenija, Penza Liquid filter
US4042504A (en) * 1976-05-23 1977-08-16 Mordeki Drori Self cleanable filters
CH620836A5 (en) * 1977-05-09 1980-12-31 Chemap Ag
GB2157964B (en) * 1984-04-26 1987-12-16 Swinney Eng Backwash filter
IL83329A (en) * 1987-07-26 1991-08-16 Drori Mordeki Filter apparatus
IL105537A (en) * 1993-04-28 1998-01-04 Filtration Ltd Filter element and a method and system for cleaning the filter element

Also Published As

Publication number Publication date
GB9518497D0 (en) 1995-11-08
GB2293333B (en) 1998-02-25
GB2293333A (en) 1996-03-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
772C Application made to the comptroller for revocation (sect. 72/1977)
775O Application for amendment (sect. 75/1977) open to opposition
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
772N Proceeding under section 72 patents act 1977

Free format text: APPLICATION MADE TO THE COMPTROLLER FOR REVOCATION APPLICATION DETERMINED

PE20 Patent expired after termination of 20 years

Expiry date: 20150910