DE69316996T2 - Ein fuhler - Google Patents

Ein fuhler

Info

Publication number
DE69316996T2
DE69316996T2 DE69316996T DE69316996T DE69316996T2 DE 69316996 T2 DE69316996 T2 DE 69316996T2 DE 69316996 T DE69316996 T DE 69316996T DE 69316996 T DE69316996 T DE 69316996T DE 69316996 T2 DE69316996 T2 DE 69316996T2
Authority
DE
Germany
Prior art keywords
sensor
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
DE69316996T
Other languages
English (en)
Other versions
DE69316996D1 (de
Inventor
Roy Forfitt
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.)
Stewart Hughes Ltd
Original Assignee
Stewart Hughes Ltd
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 Stewart Hughes Ltd filed Critical Stewart Hughes Ltd
Application granted granted Critical
Publication of DE69316996D1 publication Critical patent/DE69316996D1/de
Publication of DE69316996T2 publication Critical patent/DE69316996T2/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/626—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Of Engines (AREA)
DE69316996T 1992-11-30 1993-11-25 Ein fuhler Expired - Fee Related DE69316996T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9225057A GB2272976B (en) 1992-11-30 1992-11-30 A sensor
PCT/GB1993/002429 WO1994012872A1 (en) 1992-11-30 1993-11-25 A sensor

Publications (2)

Publication Number Publication Date
DE69316996D1 DE69316996D1 (de) 1998-03-19
DE69316996T2 true DE69316996T2 (de) 1998-10-01

Family

ID=10725903

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316996T Expired - Fee Related DE69316996T2 (de) 1992-11-30 1993-11-25 Ein fuhler

Country Status (5)

Country Link
US (1) US5705930A (de)
EP (1) EP0671001B1 (de)
DE (1) DE69316996T2 (de)
GB (1) GB2272976B (de)
WO (1) WO1994012872A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7322249B2 (en) * 2005-07-07 2008-01-29 Delphi Technologies, Inc. Mounting for a probe sensor
US8424279B2 (en) 2007-03-28 2013-04-23 United Technologies Corporation Particle separator and debris control system
US9010198B2 (en) * 2011-07-29 2015-04-21 United Technologies Corporation Aircraft debris monitoring sensor assembly
TWI744760B (zh) * 2019-12-30 2021-11-01 財團法人工業技術研究院 靜電感測系統與靜電感測組件
US11952905B1 (en) * 2022-10-07 2024-04-09 Rtx Corporation Detecting engine exhaust debris using saturation current

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541431A (en) * 1968-07-31 1970-11-17 Ritter Pfaudler Corp Liquid cooled abrasion resistant electrostatic probe for measuring the electrical characteristics of flames,rocket exhausts and the like
GB1382226A (en) * 1972-03-01 1975-01-29 Rion Co Electrostatic field measuring apparatus
US3775763A (en) * 1972-03-07 1973-11-27 Us Air Force Apparatus for indicating the impending failure of a jet engine
GB2012058B (en) * 1977-12-21 1982-06-09 Canon Kk Surface potentiometer
US4222007A (en) * 1978-11-24 1980-09-09 Scientific Enterprises, Inc. Apparatus for detecting and measuring an electrostatic field
US4251775A (en) * 1979-03-01 1981-02-17 Santek, Inc. Ion flux density probe
US4433298A (en) * 1981-11-12 1984-02-21 Datapoint Corporation Calibrated apparent surface voltage measurement apparatus and method
US4591794A (en) * 1982-12-28 1986-05-27 United Technologies Corporation Gas turbine access port plug electrostatic probe
US4625176A (en) * 1983-09-13 1986-11-25 International Business Machines Corporation Electrostatic probe
US4642559A (en) * 1983-12-12 1987-02-10 Texaco, Inc. Electrostatic field meter
DE3505615A1 (de) * 1985-02-19 1986-08-21 Philips Patentverwaltung Gmbh, 2000 Hamburg Influenzsondenanordnung mit mehreren influenzsonden
JPS61207975A (ja) * 1985-03-12 1986-09-16 Sanki Denshi Kogyo Kk 静電気放電シミユレ−タ
EP0256845A2 (de) * 1986-08-20 1988-02-24 Stewart Hughes Limited Überwachung der Abgase eines Düsenflugzeugmotors
GB8901238D0 (en) * 1989-01-20 1989-03-15 Stewart Hughes Ltd Improvements relating to charge sensors
JP3123794B2 (ja) * 1991-11-06 2001-01-15 株式会社小松製作所 油中金属粒子の検出装置及び導電性粒子検出方法

Also Published As

Publication number Publication date
EP0671001B1 (de) 1998-02-11
GB9225057D0 (en) 1993-01-20
GB2272976A (en) 1994-06-01
US5705930A (en) 1998-01-06
DE69316996D1 (de) 1998-03-19
EP0671001A1 (de) 1995-09-13
GB2272976B (en) 1996-06-05
WO1994012872A1 (en) 1994-06-09

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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