AT339342B - Anzeigegerat fur den verschmutzungsgrad eines filters - Google Patents
Anzeigegerat fur den verschmutzungsgrad eines filtersInfo
- Publication number
- AT339342B AT339342B AT66375A AT66375A AT339342B AT 339342 B AT339342 B AT 339342B AT 66375 A AT66375 A AT 66375A AT 66375 A AT66375 A AT 66375A AT 339342 B AT339342 B AT 339342B
- Authority
- AT
- Austria
- Prior art keywords
- contamination
- filter
- degree
- display device
- display
- Prior art date
Links
- 238000011109 contamination Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/046—Controlling the filtration by pressure measuring
-
- 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)
- Measuring Fluid Pressure (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742404452 DE2404452C2 (de) | 1974-01-31 | 1974-01-31 | Anzeigegerät für den Verschmutzungsgrad eines Filters |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA66375A ATA66375A (de) | 1977-02-15 |
AT339342B true AT339342B (de) | 1977-10-10 |
Family
ID=5906108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT66375A AT339342B (de) | 1974-01-31 | 1975-01-29 | Anzeigegerat fur den verschmutzungsgrad eines filters |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT339342B (de) |
DE (1) | DE2404452C2 (de) |
FR (1) | FR2259637A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19506452A1 (de) * | 1995-02-24 | 1996-08-29 | Mann & Hummel Filter | Anzeigevorrichtung zur Anzeige des Unterdrucks |
DE19716979A1 (de) * | 1997-04-23 | 1998-10-29 | Porsche Ag | Kraftstoffördersystem für Fahrzeuge mit Filterüberwachung |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4515690A (en) * | 1982-08-06 | 1985-05-07 | Nissan Motor Company, Limited | Fuel supply system for diesel engines |
JPS6030990A (ja) * | 1983-08-01 | 1985-02-16 | Hitachi Ltd | 異物除去装置の運転方法及び装置 |
US4818385A (en) * | 1987-08-31 | 1989-04-04 | Medley Iii Frank W | Filter with high pressure indicator |
DE3835672A1 (de) * | 1988-10-20 | 1990-04-26 | Bayerische Motoren Werke Ag | Verfahren und vorrichtung zur ueberwachung des verschmutzungsgrades von filtern |
DE4117422C1 (en) * | 1991-05-28 | 1992-11-12 | Willi Prof. Dr.-Ing. 7432 Bad Urach De Dettinger | Monitoring contamination level of filter, partic. for hydraulic fluids - in which signal is produced which correlates with quotient of two pressure differences and evaluating device produces signal to change filter when quotient reaches given value |
FR2705734B1 (fr) * | 1993-05-25 | 1995-06-30 | Snecma | Procédé et dispositif pour améliorer la sécurité des filtres à fluide. |
SE9603612D0 (sv) * | 1996-10-03 | 1996-10-03 | Siemens Elema Ab | Metod för funktionskontroll av filter |
FR2770788B1 (fr) * | 1997-11-12 | 2000-01-28 | Valeo Climatisation | Dispositif de mesure du degre de colmatage d'un filtre d'une installation de ventilation, chauffage et/ou climatisation |
US7470360B2 (en) * | 2005-01-21 | 2008-12-30 | Engineered Products Company | Fluid flow restriction indicator |
JP2009541714A (ja) | 2006-06-16 | 2009-11-26 | エンジニアード プロダクツ カンパニー | ダイヤル式流量制限計 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2776056A (en) * | 1949-03-16 | 1957-01-01 | Oilgear Co | Apparatus for filtering liquid |
US3325010A (en) * | 1963-10-09 | 1967-06-13 | Cleveland Technical Ct Inc | Filter clogging indicator |
FR1409910A (fr) * | 1964-07-23 | 1965-09-03 | Herfilco | Indicateur de colmatage pour filtres |
US3482696A (en) * | 1967-04-03 | 1969-12-09 | Gen Motors Corp | Oil filter indicating system |
DE2049172C3 (de) * | 1970-10-07 | 1978-10-12 | Kloeckner-Humboldt-Deutz Ag, 5000 Koeln | Einrichtung für die Anzeige der Verstopfung eines Druckflüssigkeitsfilters |
DE2123755C3 (de) * | 1971-05-13 | 1979-10-11 | Vereinigte Flugtechnische Werkefokker Gmbh, 2800 Bremen | Anordnung zur Anzeige des Verschmutzungsgrades für Hydraulikfilter |
-
1974
- 1974-01-31 DE DE19742404452 patent/DE2404452C2/de not_active Expired
-
1975
- 1975-01-29 AT AT66375A patent/AT339342B/de not_active IP Right Cessation
- 1975-01-31 FR FR7503029A patent/FR2259637A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19506452A1 (de) * | 1995-02-24 | 1996-08-29 | Mann & Hummel Filter | Anzeigevorrichtung zur Anzeige des Unterdrucks |
DE19716979A1 (de) * | 1997-04-23 | 1998-10-29 | Porsche Ag | Kraftstoffördersystem für Fahrzeuge mit Filterüberwachung |
Also Published As
Publication number | Publication date |
---|---|
FR2259637B1 (de) | 1977-04-15 |
DE2404452C2 (de) | 1984-09-06 |
FR2259637A1 (en) | 1975-08-29 |
DE2404452A1 (de) | 1975-08-07 |
ATA66375A (de) | 1977-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee | ||
EEIH | Change in the person of patent owner | ||
EEIH | Change in the person of patent owner |