IT8120892A0 - Sonda generatrice di segnali per sistema di rilevamento della velocita' di una turbina. - Google Patents

Sonda generatrice di segnali per sistema di rilevamento della velocita' di una turbina.

Info

Publication number: IT8120892A0
Authority: IT; Italy
Prior art keywords: detection system; signal generating; speed detection; turbine speed; generating probe
Prior art date: 1980-04-03

Application number

IT8120892A

Other languages

English (en)

Other versions

IT1137209B (it

Inventor

Alan R Duly

Zoltan L Libertini

Steven White

Original Assignee

Avco Corp

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.)

1980-04-03

Filing date

1981-04-02

Publication date

1981-04-02

1981-04-02 Application filed by Avco Corp filed Critical Avco Corp

1981-04-02 Publication of IT8120892A0 publication Critical patent/IT8120892A0/it

1986-09-03 Application granted granted Critical

1986-09-03 Publication of IT1137209B publication Critical patent/IT1137209B/it

Links

238000001514 detection method Methods 0.000 title 1
RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 1

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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/06—Arrangement of sensing elements responsive to speed
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/483—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable capacitance detectors

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
Transmission And Conversion Of Sensor Element Output (AREA)

IT20892/81A 1980-04-03 1981-04-02 Sonda generatrice di segnali per sistema di rilevamento della velocita' di una turbina IT1137209B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/137,072 US4329644A (en)	1980-04-03	1980-04-03	Electrode structure for a high temperature capacitance probe for sensing turbine speed

Publications (2)

Publication Number	Publication Date
IT8120892A0 true IT8120892A0 (it)	1981-04-02
IT1137209B IT1137209B (it)	1986-09-03

Family

ID=22475714

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20892/81A IT1137209B (it)	1980-04-03	1981-04-02	Sonda generatrice di segnali per sistema di rilevamento della velocita' di una turbina

Country Status (9)

Country	Link
US (1)	US4329644A (it)
JP (1)	JPS56166468A (it)
BR (1)	BR8102071A (it)
CA (1)	CA1141988A (it)
DE (1)	DE3108316A1 (it)
FR (1)	FR2479987A1 (it)
GB (1)	GB2073427B (it)
IT (1)	IT1137209B (it)
SE (1)	SE443662B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH658556A5 (de) *	1982-12-02	1986-11-14	Studer Willi	Drehzahl-ist-wert-wandler zur drehzahlregelung in einem motorischen antriebssystem.
FR2568004B1 (fr) *	1984-07-20	1986-12-26	Onera (Off Nat Aerospatiale)	Procede et appareil pour effectuer la mesure dynamique, sur une machine tournante en fonctionnement, du jeu entre les faces en regard du rotor et du stator de cette machine
JPS6146490A (ja) *	1984-08-10	1986-03-06	Matsushita Electric Ind Co Ltd	ベ−ン回転式圧縮機の回転検出装置
JPS6146491A (ja) *	1984-08-10	1986-03-06	Matsushita Electric Ind Co Ltd	ベ−ン回転式圧縮機の回転検出装置
DE3433351C1 (de) *	1984-09-11	1986-01-02	MTU Motoren- und Turbinen-Union München GmbH, 8000 München	Kapazitives Messsystem zur Messung des Abstandes zwischen zwei relativ zueinander beweglichen Teilen
US4978921A (en) *	1989-05-01	1990-12-18	General Electric Company	Electrode probe for use in aqueous environments of high temperature and high radiation
US5166626A (en) *	1990-05-29	1992-11-24	General Electric Company	Electrical capacitance clearanceometer
US5101165A (en) *	1990-05-29	1992-03-31	General Electric Company	Electrical capacitance clearanceometer
US5119036A (en) *	1990-05-29	1992-06-02	General Electric Company	Electrical capacitance clearanceometer
FR2712690B1 (fr) *	1993-11-17	1995-12-15	Snecma	Dispositif pour effectuer la mesure dynamique de la distance entre les faces en regard du rotor et du stator d'une machine tournante.
US5723980A (en) *	1995-06-07	1998-03-03	Aerogage Corporation	Clearance measurement system
FR2750490B1 (fr) *	1996-06-26	1998-08-28	Philips Electronics Nv	Dispositif du type capteur capacitif integre
FR2750489B1 (fr) *	1996-06-26	1998-08-28	Philips Electronics Nv	Dispositif du type capteur capacitif composite
US6717418B2 (en)	2001-11-16	2004-04-06	General Electric Company	Method and apparatus for measuring turbine blade tip clearance
GB2449274A (en)	2007-05-15	2008-11-19	Thomas William Bach	Passive impedance measurer
GB0915038D0 (en) *	2009-08-28	2009-09-30	Cummins Turbo Tech Ltd	Speed sensor arrangement
GB2494703B (en) *	2011-09-16	2016-08-03	Weston Aerospace Ltd	System and method for detecting abnormal movement in a gas turbine shaft
US10077992B2 (en) *	2012-08-31	2018-09-18	United Technologies Corporation	Tip clearance probe including anti-rotation feature
US9181818B2 (en)	2012-09-25	2015-11-10	United Technologies Corporation	Thermally constrained high temperature optical fiber holder
US9297720B2 (en)	2012-12-21	2016-03-29	United Technologies Corporation	Gas turbine engine vane embedded beam interrupt optical tip-timing probe system
US10551220B2 (en)	2016-06-27	2020-02-04	Rolls-Royce Corporation	Capacitive measurement device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2123812A (en) *	1935-04-10	1938-07-12	Dillon Stevens	Apparatus for electrically testing materials
US2653298A (en) *	1951-04-09	1953-09-22	Brown & Williamson Tobacco Corp	Apparatus for measuring moisture content of a traveling layer of material
US2842738A (en) *	1956-04-05	1958-07-08	Ford Motor Co	Capacitance probe
GB1026353A (en) *	1962-01-31	1966-04-20	Ass Elect Ind	Improvements relating to capacitive probes
US3714012A (en) *	1971-11-18	1973-01-30	Petrolite Corp	Corrosion test probe assembly
GB1498407A (en) *	1975-05-06	1978-01-18	Secr Defence	Displacement detecting devices
US4063167A (en) *	1976-06-07	1977-12-13	Avco Corporation	Blade tip clearance measuring apparatus

1980
- 1980-04-03 US US06/137,072 patent/US4329644A/en not_active Expired - Lifetime
1981
- 1981-02-25 SE SE8101235A patent/SE443662B/sv not_active IP Right Cessation
- 1981-02-27 GB GB8106368A patent/GB2073427B/en not_active Expired
- 1981-03-02 DE DE19813108316 patent/DE3108316A1/de not_active Ceased
- 1981-03-13 JP JP3545481A patent/JPS56166468A/ja active Pending
- 1981-03-18 FR FR8105381A patent/FR2479987A1/fr active Granted
- 1981-03-25 CA CA000373785A patent/CA1141988A/en not_active Expired
- 1981-04-02 IT IT20892/81A patent/IT1137209B/it active
- 1981-04-03 BR BR8102071A patent/BR8102071A/pt unknown

Also Published As

Publication number	Publication date
SE443662B (sv)	1986-03-03
US4329644A (en)	1982-05-11
FR2479987B1 (it)	1984-12-21
BR8102071A (pt)	1981-10-06
JPS56166468A (en)	1981-12-21
DE3108316A1 (de)	1981-12-24
SE8101235L (sv)	1981-10-04
CA1141988A (en)	1983-03-01
IT1137209B (it)	1986-09-03
GB2073427B (en)	1983-12-14
FR2479987A1 (fr)	1981-10-09
GB2073427A (en)	1981-10-14

Publication	Publication Date	Title
IT1137209B (it)	1986-09-03	Sonda generatrice di segnali per sistema di rilevamento della velocita' di una turbina
IT8119308A0 (it)	1981-01-23	Rivelatore di segnali vocali.
BR8105589A (pt)	1982-05-18	Sistema de deteccao sismica
IT7922706A0 (it)	1979-05-16	Sistema di rivelazione.
ES480125A0 (es)	1981-11-16	Sistema de exploracion ultrasonico.
NO784116L (no)	1979-06-19	Ultrasonisk deteksjonssystem.
BR8108463A (pt)	1982-10-19	Sistema de monitoracao de posicao digital de alta velocidade
NO155861C (no)	1987-06-10	Deteksjonssystem.
IT8122393A0 (it)	1981-06-17	Unita' per la rivelazione di gas.
FR2518332B1 (fr)	1986-09-05	Circuit pour detecter la sequence de generation de signaux
IT8620011A0 (it)	1986-04-09	Sistema e procedimento per misurare velocita' ultrasonore.
IT8120737A0 (it)	1981-03-26	Procedimento e dispositivo per rilevare la velocita' di un motore asincrono.
ATA449481A (de)	1987-11-15	Drehstellungs-erfassungssignal-generator
DE58904965D1 (de)	1993-08-26	Doppler-stroemungsgeschwindigkeitsmesser.
NL7800807A (nl)	1978-11-08	Ultrasoon detectie+instrument.
AT383687B (de)	1987-08-10	Geschwindigkeitsmesssystem
DE3675978D1 (de)	1991-01-17	Ringlaserwinkelgeschwindigkeitsmessvorrichtung.
IT8024670A0 (it)	1980-09-15	Impianto per la rivelazione dell'inviluppo di un segnale.
IT1087196B (it)	1985-05-31	Sistema di misura della densita' di particelle
IT1145237B (it)	1986-11-05	Sistema di rilevazione
IT8148072A0 (it)	1981-03-20	Dispositivo rivelatore di inclinazione
IT8323049A0 (it)	1983-09-29	Sistema rivelatore di sovravelocita' particolarmente di rotori di turbine.
DE3883573D1 (de)	1993-10-07	Aufzeichnungsgeschwindigkeitsbestimmungsgerät.
NO811927L (no)	1981-12-28	Magnetisk foelerinnretning.
IT1194112B (it)	1988-09-14	Sistema per la rivelazione di bersagli