FR2259638B1 - - Google Patents

Info

Publication number
FR2259638B1
FR2259638B1 FR7503030A FR7503030A FR2259638B1 FR 2259638 B1 FR2259638 B1 FR 2259638B1 FR 7503030 A FR7503030 A FR 7503030A FR 7503030 A FR7503030 A FR 7503030A FR 2259638 B1 FR2259638 B1 FR 2259638B1
Authority
FR
France
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
Application number
FR7503030A
Other languages
French (fr)
Other versions
FR2259638A1 (en
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.)
Ecolab Engineering GmbH
Original Assignee
Lang Apparatebau GmbH
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 Lang Apparatebau GmbH filed Critical Lang Apparatebau GmbH
Publication of FR2259638A1 publication Critical patent/FR2259638A1/fr
Application granted granted Critical
Publication of FR2259638B1 publication Critical patent/FR2259638B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01D35/143—Filter condition indicators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Volume Flow (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Water Treatment By Sorption (AREA)
FR7503030A 1974-01-31 1975-01-31 Indication of dirtiness of filter - using press difference, with variable flow rate through filter Granted FR2259638A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742404453 DE2404453A1 (de) 1974-01-31 1974-01-31 Anzeigegeraet fuer den verschmutzungsgrad von filtern

Publications (2)

Publication Number Publication Date
FR2259638A1 FR2259638A1 (en) 1975-08-29
FR2259638B1 true FR2259638B1 (enrdf_load_html_response) 1977-04-15

Family

ID=5906109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7503030A Granted FR2259638A1 (en) 1974-01-31 1975-01-31 Indication of dirtiness of filter - using press difference, with variable flow rate through filter

Country Status (3)

Country Link
AT (1) AT338835B (enrdf_load_html_response)
DE (1) DE2404453A1 (enrdf_load_html_response)
FR (1) FR2259638A1 (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818385A (en) * 1987-08-31 1989-04-04 Medley Iii Frank W Filter with high pressure indicator

Also Published As

Publication number Publication date
FR2259638A1 (en) 1975-08-29
ATA66275A (de) 1977-01-15
DE2404453A1 (de) 1975-08-07
AT338835B (de) 1977-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse