DE69429997D1 - Anordnung und verfahren zur kontaminationsmessung - Google Patents

Anordnung und verfahren zur kontaminationsmessung

Info

Publication number
DE69429997D1
DE69429997D1 DE69429997T DE69429997T DE69429997D1 DE 69429997 D1 DE69429997 D1 DE 69429997D1 DE 69429997 T DE69429997 T DE 69429997T DE 69429997 T DE69429997 T DE 69429997T DE 69429997 D1 DE69429997 D1 DE 69429997D1
Authority
DE
Germany
Prior art keywords
arrangement
contamination measurement
contamination
measurement
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 - Fee Related
Application number
DE69429997T
Other languages
English (en)
Other versions
DE69429997T2 (de
Inventor
C Fitch
Zhan Wu
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.)
Diagnetics Inc
Original Assignee
Diagnetics Inc
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 Diagnetics Inc filed Critical Diagnetics Inc
Application granted granted Critical
Publication of DE69429997D1 publication Critical patent/DE69429997D1/de
Publication of DE69429997T2 publication Critical patent/DE69429997T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
DE69429997T 1993-10-15 1994-10-13 Anordnung und verfahren zur kontaminationsmessung Expired - Fee Related DE69429997T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/137,609 US5385043A (en) 1993-10-15 1993-10-15 Contamination measurement apparatus
PCT/US1994/011715 WO1995010765A1 (en) 1993-10-15 1994-10-13 Contamination measurement apparatus

Publications (2)

Publication Number Publication Date
DE69429997D1 true DE69429997D1 (de) 2002-04-04
DE69429997T2 DE69429997T2 (de) 2002-11-21

Family

ID=22478241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429997T Expired - Fee Related DE69429997T2 (de) 1993-10-15 1994-10-13 Anordnung und verfahren zur kontaminationsmessung

Country Status (5)

Country Link
US (1) US5385043A (de)
EP (1) EP0723655B1 (de)
JP (1) JPH09507291A (de)
DE (1) DE69429997T2 (de)
WO (1) WO1995010765A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315869B (en) * 1996-07-29 2000-10-11 Pall Corp Evaluation of particulate contaminants
US5770152A (en) * 1996-11-18 1998-06-23 Aradigm Corporation Collapsible container for measuring particles in a sample fluid
GB9904043D0 (en) * 1999-02-22 1999-04-14 Ind Automation Systems Ltd Fluid monitor
US6474144B1 (en) * 2000-03-18 2002-11-05 John Barnes Determining the level of particulate contamination in a fluid power system
US6582661B1 (en) 2000-06-30 2003-06-24 Csi Technology, Inc. Integrated lubricant analyzer
GB0017987D0 (en) * 2000-07-21 2000-09-13 Moog Controls Fluid containment sensor
US9176041B2 (en) 2012-06-19 2015-11-03 Spectro Scientific, Inc. Filtration particle quantifier
BR112015005647A2 (pt) * 2012-09-14 2018-05-22 Primex Process Specialists Inc sistema de leitura de umidade

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2040042A (en) * 1933-02-18 1936-05-05 Clardon Corp Dirt indicator for lubricating oil
US3050987A (en) * 1959-01-28 1962-08-28 Boeing Co Contamination meter and process for detecting contamination
US3357236A (en) * 1965-06-09 1967-12-12 Bendix Corp Contamination indicator
CH525487A (de) * 1969-02-14 1972-07-15 Fleisch Alfred Prof Dr Hc Verfahren und Vorrichtung zur quantitativen Messung der Agglomerations-Neigung einer Blutprobe
US3452586A (en) * 1967-03-08 1969-07-01 Mobil Oil Corp Automatic fuel filter monitor
US3455146A (en) * 1967-06-06 1969-07-15 Du Pont Method and apparatus for determining filtrability time
US3837216A (en) * 1973-04-30 1974-09-24 Shinohara Seiki Kk Method and apparatus for measuring the concentration of solid contaminants contained in liquids
DE3274487D1 (en) * 1981-12-04 1987-01-15 Nat Res Dev Determining the level of contaminants in a hydraulic system
US4583396A (en) * 1982-08-13 1986-04-22 Ministry Of Defence Contamination level indicator
US4468954A (en) * 1982-11-22 1984-09-04 Pall Corporation Device for determining the concentration of suspended solid contaminants in a fluid
US4599893A (en) * 1983-04-18 1986-07-15 National Research Development Corporation Determining the level of contaminants in a hydraulic system
US5095740A (en) * 1987-12-31 1992-03-17 Diagnetics, Inc. System for monitoring and analyzing solid contaminents in fluids
US5266495A (en) * 1990-03-02 1993-11-30 Cytyc Corporation Method and apparatus for controlled instrumentation of particles with a filter device

Also Published As

Publication number Publication date
EP0723655A1 (de) 1996-07-31
JPH09507291A (ja) 1997-07-22
DE69429997T2 (de) 2002-11-21
US5385043A (en) 1995-01-31
WO1995010765A1 (en) 1995-04-20
EP0723655B1 (de) 2002-02-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee