FR2135535B1 - - Google Patents

Info

Publication number
FR2135535B1
FR2135535B1 FR7143888A FR7143888A FR2135535B1 FR 2135535 B1 FR2135535 B1 FR 2135535B1 FR 7143888 A FR7143888 A FR 7143888A FR 7143888 A FR7143888 A FR 7143888A FR 2135535 B1 FR2135535 B1 FR 2135535B1
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
FR7143888A
Other languages
French (fr)
Other versions
FR2135535A1 (enrdf_load_stackoverflow
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel 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
Priority claimed from DE19712121530 external-priority patent/DE2121530C3/de
Application filed by Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of FR2135535A1 publication Critical patent/FR2135535A1/fr
Application granted granted Critical
Publication of FR2135535B1 publication Critical patent/FR2135535B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0086—Filter condition indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Measuring Fluid Pressure (AREA)
FR7143888A 1971-05-03 1971-12-07 Expired FR2135535B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712121530 DE2121530C3 (de) 1971-05-03 Anzeigevorrichtung für den Verschmutzungsgrad von Ansaugluftfiltern

Publications (2)

Publication Number Publication Date
FR2135535A1 FR2135535A1 (enrdf_load_stackoverflow) 1972-12-22
FR2135535B1 true FR2135535B1 (enrdf_load_stackoverflow) 1973-06-29

Family

ID=5806556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143888A Expired FR2135535B1 (enrdf_load_stackoverflow) 1971-05-03 1971-12-07

Country Status (4)

Country Link
AT (1) AT330517B (enrdf_load_stackoverflow)
FR (1) FR2135535B1 (enrdf_load_stackoverflow)
GB (1) GB1354259A (enrdf_load_stackoverflow)
IT (1) IT945243B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068831A (en) * 1960-03-18 1962-12-18 Coopers Mech Joints Pressure operated visual warning devices
FR1265651A (fr) * 1960-08-19 1961-06-30 Mann & Hummel Filter Dispositif indicateur de l'encrassage excessif de la cartouche filtrante d'un filtre à aspiration d'air, en particulier pour moteurs à combustion interne
GB1079839A (en) * 1966-04-25 1967-08-16 Donaldson Co Inc Improvements in or relating to restriction indicators for fluid filters

Also Published As

Publication number Publication date
DE2121530B2 (de) 1976-01-08
ATA980171A (de) 1975-09-15
GB1354259A (en) 1974-06-05
FR2135535A1 (enrdf_load_stackoverflow) 1972-12-22
DE2121530A1 (de) 1972-11-30
IT945243B (it) 1973-05-10
AT330517B (de) 1976-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse