GB832242A - Improvements in or relating to dimension indicating devices - Google Patents

Improvements in or relating to dimension indicating devices

Info

Publication number
GB832242A
GB832242A GB3665056A GB3665056A GB832242A GB 832242 A GB832242 A GB 832242A GB 3665056 A GB3665056 A GB 3665056A GB 3665056 A GB3665056 A GB 3665056A GB 832242 A GB832242 A GB 832242A
Authority
GB
United Kingdom
Prior art keywords
probe
clearance
dimension indicating
space
relating
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
Application number
GB3665056A
Inventor
Leonard O'neill
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.)
Power Jets Research and Development Ltd
Original Assignee
Power Jets Research and Development 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 Power Jets Research and Development Ltd filed Critical Power Jets Research and Development Ltd
Priority to GB3665056A priority Critical patent/GB832242A/en
Publication of GB832242A publication Critical patent/GB832242A/en
Expired 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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

832,242. Electric tests. POWER JETS (RESEARCH & DEVELOPMENT) Ltd. Jan. 14, 1958 [Nov. 30, 1956], No. 36650/56. Class 37. In a dimension indicating device of the type in which the clearance between members is measured by means of electrical discharge or electrostatic capacityresponsive apparatus, to avoid changes in the indication, caused by variations in the state of the gas in the clearance space, a fluid of substantially constant dielectric properties is maintained in the space. In the device shown, the probe unit which may be as described in Specification 746,045, and comprises a central insulated wire 1 is mounted in a plug 7 which is screwed into a turbine casing. Air supplied through tube 9 serves both to cool the probe by passing downwardly between tubes 10 and 11 finally escaping at 11a and to maintain the properties of the gas adjacent the probe constant by discharging around the tip of the probe at " A."
GB3665056A 1956-11-30 1956-11-30 Improvements in or relating to dimension indicating devices Expired GB832242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3665056A GB832242A (en) 1956-11-30 1956-11-30 Improvements in or relating to dimension indicating devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3665056A GB832242A (en) 1956-11-30 1956-11-30 Improvements in or relating to dimension indicating devices

Publications (1)

Publication Number Publication Date
GB832242A true GB832242A (en) 1960-04-06

Family

ID=10390020

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3665056A Expired GB832242A (en) 1956-11-30 1956-11-30 Improvements in or relating to dimension indicating devices

Country Status (1)

Country Link
GB (1) GB832242A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568004A1 (en) * 1984-07-20 1986-01-24 Onera (Off Nat Aerospatiale) METHOD AND APPARATUS FOR PERFORMING DYNAMIC MEASUREMENT, ON A ROTATING MACHINE IN OPERATION, OF THE GAME BETWEEN THE FACES WITH REGARD TO THE ROTOR AND THE STATOR OF THIS MACHINE
GB2164448A (en) * 1984-09-11 1986-03-19 Mtu Muenchen Gmbh Capacitive measuring system for measuring the distance between parts in relative motion
DE102005060961B4 (en) * 2004-12-27 2011-02-17 Mitsubishi Heavy Industries, Ltd. gas turbine
DE102012216267A1 (en) * 2012-09-13 2014-03-13 Siemens Aktiengesellschaft Meter body
EP3517977A3 (en) * 2018-01-09 2019-10-30 Weston Aerospace Limited Magnetic gas turbine sensor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568004A1 (en) * 1984-07-20 1986-01-24 Onera (Off Nat Aerospatiale) METHOD AND APPARATUS FOR PERFORMING DYNAMIC MEASUREMENT, ON A ROTATING MACHINE IN OPERATION, OF THE GAME BETWEEN THE FACES WITH REGARD TO THE ROTOR AND THE STATOR OF THIS MACHINE
EP0172766A1 (en) * 1984-07-20 1986-02-26 Office National d'Etudes et de Recherches Aérospatiales (O.N.E.R.A.) Apparatus and process for dynamically measuring, at a rotating machine, the play between the rotor and stator faces of said machine
GB2164448A (en) * 1984-09-11 1986-03-19 Mtu Muenchen Gmbh Capacitive measuring system for measuring the distance between parts in relative motion
DE102005060961B4 (en) * 2004-12-27 2011-02-17 Mitsubishi Heavy Industries, Ltd. gas turbine
DE102012216267A1 (en) * 2012-09-13 2014-03-13 Siemens Aktiengesellschaft Meter body
US9175988B2 (en) 2012-09-13 2015-11-03 Siemens Aktiengesellschaft Measuring device housing
EP3517977A3 (en) * 2018-01-09 2019-10-30 Weston Aerospace Limited Magnetic gas turbine sensor
GB2576471A (en) * 2018-01-09 2020-02-26 Weston Aerospace Ltd Magnetic gas turbine sensor
US10976221B2 (en) 2018-01-09 2021-04-13 Weston Aerospace Limited Magnetic gas turbine sensor

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