GB2225855B - Capacitance probe - Google Patents

Capacitance probe

Info

Publication number
GB2225855B
GB2225855B GB8825961A GB8825961A GB2225855B GB 2225855 B GB2225855 B GB 2225855B GB 8825961 A GB8825961 A GB 8825961A GB 8825961 A GB8825961 A GB 8825961A GB 2225855 B GB2225855 B GB 2225855B
Authority
GB
United Kingdom
Prior art keywords
capacitance probe
capacitance
probe
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
GB8825961A
Other versions
GB2225855A (en
GB8825961D0 (en
Inventor
David Richard Foulds
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB8825961A priority Critical patent/GB2225855B/en
Publication of GB8825961D0 publication Critical patent/GB8825961D0/en
Publication of GB2225855A publication Critical patent/GB2225855A/en
Application granted granted Critical
Publication of GB2225855B publication Critical patent/GB2225855B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB8825961A 1988-11-05 1988-11-05 Capacitance probe Expired - Fee Related GB2225855B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8825961A GB2225855B (en) 1988-11-05 1988-11-05 Capacitance probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8825961A GB2225855B (en) 1988-11-05 1988-11-05 Capacitance probe

Publications (3)

Publication Number Publication Date
GB8825961D0 GB8825961D0 (en) 1988-12-14
GB2225855A GB2225855A (en) 1990-06-13
GB2225855B true GB2225855B (en) 1993-01-20

Family

ID=10646395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825961A Expired - Fee Related GB2225855B (en) 1988-11-05 1988-11-05 Capacitance probe

Country Status (1)

Country Link
GB (1) GB2225855B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101165A (en) * 1990-05-29 1992-03-31 General Electric Company Electrical capacitance clearanceometer
US5572119A (en) * 1994-10-28 1996-11-05 Barber-Colman Company Eddy current position sensor including an insulating base having conductive surfaces for electrically connecting a coil to the lead wires
FR2750489B1 (en) * 1996-06-26 1998-08-28 Philips Electronics Nv COMPOSITE CAPACITIVE SENSOR DEVICE
GB2406381B (en) * 2003-09-27 2005-10-12 Future Technology Sensors
FR2938326B1 (en) * 2008-11-13 2011-03-04 Nanotec Solution HIGH TEMPERATURE CAPACITIVE SENSOR WITH CEMENT BONDING
US9417048B2 (en) 2012-10-31 2016-08-16 General Electric Company Capacitive sensor device and method of manufacture
GB2544751B (en) * 2015-11-24 2017-11-22 Future Tech (Sensors) Ltd Multi-Layer Electrically Conductive Sensors
GB2579671B (en) * 2018-12-12 2022-12-14 Weston Aerospace Ltd A probe for monitoring a moving engine element

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1386306A (en) * 1971-05-11 1975-03-05 Philips Electronic Associated Method of and apparatus for determinging the thickness of a layer of dielectric material during deposition
GB1450709A (en) * 1973-12-31 1976-09-29 Birchall D J Pressure transducers
GB2165652A (en) * 1984-10-11 1986-04-16 Vaisala Oy Capacitive fluid pressure sensors
EP0245032A2 (en) * 1986-05-05 1987-11-11 Texas Instruments Incorporated Pressure sensor with improved capacitive pressure transducer
EP0246576A1 (en) * 1986-05-23 1987-11-25 Mtu Motoren- Und Turbinen-Union MàœNchen Gmbh Capacitive-measuring system
GB2204693A (en) * 1987-05-14 1988-11-16 Rolls Royce Plc Turbomachine tip clearance sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1386306A (en) * 1971-05-11 1975-03-05 Philips Electronic Associated Method of and apparatus for determinging the thickness of a layer of dielectric material during deposition
GB1450709A (en) * 1973-12-31 1976-09-29 Birchall D J Pressure transducers
GB2165652A (en) * 1984-10-11 1986-04-16 Vaisala Oy Capacitive fluid pressure sensors
EP0245032A2 (en) * 1986-05-05 1987-11-11 Texas Instruments Incorporated Pressure sensor with improved capacitive pressure transducer
EP0246576A1 (en) * 1986-05-23 1987-11-25 Mtu Motoren- Und Turbinen-Union MàœNchen Gmbh Capacitive-measuring system
GB2204693A (en) * 1987-05-14 1988-11-16 Rolls Royce Plc Turbomachine tip clearance sensor

Also Published As

Publication number Publication date
GB2225855A (en) 1990-06-13
GB8825961D0 (en) 1988-12-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931105