GB8509040D0 - Measurement of metal particles - Google Patents

Measurement of metal particles

Info

Publication number
GB8509040D0
GB8509040D0 GB858509040A GB8509040A GB8509040D0 GB 8509040 D0 GB8509040 D0 GB 8509040D0 GB 858509040 A GB858509040 A GB 858509040A GB 8509040 A GB8509040 A GB 8509040A GB 8509040 D0 GB8509040 D0 GB 8509040D0
Authority
GB
United Kingdom
Prior art keywords
measurement
metal particles
particles
metal
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.)
Granted
Application number
GB858509040A
Other versions
GB2165650B (en
GB2165650A (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.)
Parker D A
Parker R V
Original Assignee
Parker D A
Parker R V
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=27262323&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB8509040(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB8409181A external-priority patent/GB2160655B/en
Priority claimed from GB848411857A external-priority patent/GB8411857D0/en
Priority claimed from GB848429247A external-priority patent/GB8429247D0/en
Application filed by Parker D A, Parker R V filed Critical Parker D A
Publication of GB8509040D0 publication Critical patent/GB8509040D0/en
Publication of GB2165650A publication Critical patent/GB2165650A/en
Application granted granted Critical
Publication of GB2165650B publication Critical patent/GB2165650B/en
Expired 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
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/74—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids
GB08509040A 1984-04-09 1985-04-09 Method and apparatus for the quantative and qualitative measurement of small metal particles Expired GB2165650B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8409181A GB2160655B (en) 1984-04-09 1984-04-09 Method and apparatus for assessing particle deposits
GB848411857A GB8411857D0 (en) 1984-05-09 1984-05-09 Measurement of small metal particles
GB848429247A GB8429247D0 (en) 1984-11-20 1984-11-20 Measurement of small particles

Publications (3)

Publication Number Publication Date
GB8509040D0 true GB8509040D0 (en) 1985-05-15
GB2165650A GB2165650A (en) 1986-04-16
GB2165650B GB2165650B (en) 1988-04-27

Family

ID=27262323

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08509040A Expired GB2165650B (en) 1984-04-09 1985-04-09 Method and apparatus for the quantative and qualitative measurement of small metal particles

Country Status (1)

Country Link
GB (1) GB2165650B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731578A (en) * 1985-05-02 1988-03-15 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid
GB2186978B (en) * 1985-10-10 1990-06-13 Dennis Amerena Parker High resolution magnetometer
WO1989002083A1 (en) * 1987-08-24 1989-03-09 Dennis Amerena Parker A high resolution magnetometer
GB9007857D0 (en) * 1990-04-06 1990-06-06 Parker Dennis A Improvement to a.c.magnetometers
US5614830A (en) * 1991-12-11 1997-03-25 Computational Systems, Inc. Oil monitor with magnetic field
US5262732A (en) * 1991-12-11 1993-11-16 Computational Systems, Inc. Oil monitor with magnetic field
US5674401A (en) * 1991-12-11 1997-10-07 Computational Systems, Inc. Oil monitor with magnetic field
US5506501A (en) * 1994-10-28 1996-04-09 Computational Systems, Inc. Method and apparatus for aiding machine oil analysis
US5656767A (en) * 1996-03-08 1997-08-12 Computational Systems, Inc. Automatic determination of moisture content and lubricant type
US6582661B1 (en) 2000-06-30 2003-06-24 Csi Technology, Inc. Integrated lubricant analyzer
DE102007039435A1 (en) 2006-12-15 2008-06-19 Prüftechnik Dieter Busch AG Apparatus and method for detecting particles in a flowing liquid

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB875567A (en) * 1958-08-26 1961-08-23 Mec Test Ltd Improvements in electromagnetic probes
US3103976A (en) * 1961-05-10 1963-09-17 Shell Oil Co Pipe joint locator for underwater wells
JPS4122507Y1 (en) * 1964-06-24 1966-11-10
GB1160672A (en) * 1966-03-23 1969-08-06 Donovan Electrical Company Ltd Improvements relating to Proximity Detectors
US3430134A (en) * 1966-08-26 1969-02-25 Magnaflux Corp Weld tracker system having magnetically isolated pickup coils
US3495166A (en) * 1967-04-10 1970-02-10 Magnaflux Corp Eddy current crack detector systems using crossed coils
DE2133725A1 (en) * 1971-07-07 1973-01-25 Pruemm Margot ELECTRONIC COIN VALIDATOR
DE2825958C2 (en) * 1978-06-14 1986-02-20 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen Magnetic or magnetic inductive material tester with zero point compensation device
SE7813344L (en) * 1978-12-28 1980-06-29 Bengt Hjalmar Tornblom MET AND / OR COMPENSATION DEVICE
EP0058076B1 (en) * 1981-02-09 1986-11-20 Goring Kerr Limited Metal detection apparatus
US4613815A (en) * 1983-04-27 1986-09-23 Pall Corporation Electromagnetic detector for metallic materials having an improved phase detection circuit

Also Published As

Publication number Publication date
GB2165650B (en) 1988-04-27
GB2165650A (en) 1986-04-16

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Legal Events

Date Code Title Description
708B Proceeding under section 8(1) patents act 1977
737A Proceeding under section 37(1) patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040409