DE396496T1 - Bestimmung der blattsteigung von propellerblaettern. - Google Patents

Bestimmung der blattsteigung von propellerblaettern.

Info

Publication number
DE396496T1
DE396496T1 DE199090630099T DE90630099T DE396496T1 DE 396496 T1 DE396496 T1 DE 396496T1 DE 199090630099 T DE199090630099 T DE 199090630099T DE 90630099 T DE90630099 T DE 90630099T DE 396496 T1 DE396496 T1 DE 396496T1
Authority
DE
Germany
Prior art keywords
determination
propeller blade
blade level
level
propeller
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.)
Pending
Application number
DE199090630099T
Other languages
English (en)
Other versions
DE69030099D1 (de
DE69030099T2 (de
Inventor
Anthony N. Simsbury Connecticut 06070 Us Martin
Robert G. Glastonbury Connecticut 06033 Us Bartle
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies 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.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of DE396496T1 publication Critical patent/DE396496T1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/301—Blade pitch-changing mechanisms characterised by blade position indicating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE199090630099T 1989-05-01 1990-04-30 Bestimmung der blattsteigung von propellerblaettern. Pending DE396496T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/345,938 US4948337A (en) 1989-05-01 1989-05-01 Aircraft engine propulsor blade pitch sensing

Publications (1)

Publication Number Publication Date
DE396496T1 true DE396496T1 (de) 1991-02-07

Family

ID=23357184

Family Applications (2)

Application Number Title Priority Date Filing Date
DE90630099T Expired - Fee Related DE69005020T2 (de) 1989-05-01 1990-04-30 Bestimmung der Blattsteigung von Propellerblättern.
DE199090630099T Pending DE396496T1 (de) 1989-05-01 1990-04-30 Bestimmung der blattsteigung von propellerblaettern.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE90630099T Expired - Fee Related DE69005020T2 (de) 1989-05-01 1990-04-30 Bestimmung der Blattsteigung von Propellerblättern.

Country Status (7)

Country Link
US (1) US4948337A (de)
EP (1) EP0396496B1 (de)
JP (1) JPH02306898A (de)
BR (1) BR9001992A (de)
CA (1) CA2015530C (de)
DE (2) DE69005020T2 (de)
ES (1) ES2018768A4 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260821B (en) * 1991-10-25 1995-01-04 United Technologies Corp Pitch change system
US5715162A (en) * 1992-10-13 1998-02-03 United Technologies Corporation Correlative filter for a synchrophaser
US5865599A (en) * 1997-03-11 1999-02-02 United Technologies Corporation System and process for direct blade angle measurement in propulsion systems
FR2983235B1 (fr) * 2011-11-24 2018-04-13 Safran Electrical & Power Systeme mecanique tournant a actionnement sans contact
US9821901B2 (en) 2013-11-21 2017-11-21 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback
US10436056B2 (en) * 2015-06-23 2019-10-08 General Electric Company Relative position measurement
US10486827B2 (en) 2016-08-17 2019-11-26 Pratt & Whitney Canada Corp. Apparatus and methods for aircraft propeller control
US10435140B2 (en) 2016-08-17 2019-10-08 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback with angled pairs of teeth
EP3354561A1 (de) 2017-01-30 2018-08-01 Ge Avio S.r.l. System und verfahren zur lokalisierung der segelwinkelstellung von propellerblättern
US10577078B2 (en) 2017-04-24 2020-03-03 General Electric Company Systems and methods for electronic measurement of propeller blade angle
FR3075353B1 (fr) 2017-12-14 2020-05-29 Safran Aircraft Engines Mesure non intrusive du calage d'une pale
FR3103212B1 (fr) * 2019-11-14 2022-04-01 Safran Aircraft Engines Ensemble modulaire et autonome de détection de la position angulaire des aubes d’une roue à aubes et ensemble modulaire et autonome de détection d’endommagement des aubes d’une roue à aubes d’une turbomachine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997131A (en) * 1973-12-12 1976-12-14 Alberto Kling Rotor means for an aircraft
US4227860A (en) * 1978-04-24 1980-10-14 Humphreys James R Aircraft propeller pitch control
US4161658A (en) * 1978-06-15 1979-07-17 United Technologies Corporation Wind turbine generator having integrator tracking
US4362467A (en) * 1979-02-08 1982-12-07 Elliott Morris C Variable pitch propeller device
US4589611A (en) * 1983-03-01 1986-05-20 Maurice Ramme Air jet reaction contrarotating rotor gyrodyne
US4556366A (en) * 1983-10-17 1985-12-03 General Electric Company Propeller actuation system
US4711615A (en) * 1986-05-19 1987-12-08 Textron/Auca Corp. Turboprop overspeed protection system
US4760745A (en) * 1986-12-05 1988-08-02 Mag Dev Inc. Magnetoelastic torque transducer
US4756667A (en) * 1987-07-06 1988-07-12 United Technologies Corporation Pitch control capacitance coupling

Also Published As

Publication number Publication date
CA2015530A1 (en) 1990-11-01
ES2018768A4 (es) 1991-05-16
EP0396496A1 (de) 1990-11-07
DE69005020D1 (de) 1994-01-20
EP0396496B1 (de) 1993-12-08
DE69005020T2 (de) 1994-04-28
CA2015530C (en) 1998-09-15
US4948337A (en) 1990-08-14
BR9001992A (pt) 1991-08-13
JPH02306898A (ja) 1990-12-20

Similar Documents

Publication Publication Date Title
FI873645A0 (fi) Ligg- och/eller sittmoebel.
FI893517A0 (fi) Blad foer roterande graesklippningsmaskin eller liknande.
DE3788515T2 (de) Bestimmung von biomasse.
DE3877862D1 (de) Bestimmung der ausrichtung von bauteilen.
DE396496T1 (de) Bestimmung der blattsteigung von propellerblaettern.
FI875617A0 (fi) Inloppslaoda foer pappersmaskin eller dylik.
FI873037A0 (fi) Blandpumpmekanism foer korvstoppningsmaskin eller motsvarande.
DE3780982T2 (de) Detektor von rissen in hohlen luftschraubenblaettern.
NO870740L (no) OppskjŸring av kjŸtt eller fisk.
FI873057A0 (fi) Foerfarande foer framstaellning av homo - och blandpolymer av vinylklorid i emulsion eller mikrosuspension.
FI862116A0 (fi) Stoed- och faestkonstruktion foer en kolv-cylinderkombination eller motsvarande.
DE3761787D1 (de) System zur bestimmung der fluggeschwindigkeit von hubschraubern.
FI875032A (fi) Inloppslaoda foer pappersmaskiner eller dylika.
FI881458A0 (fi) Kolv- och vevstaksanordning foer foerbraenningsmotorer eller kompressorer.
FI861747A (fi) Foerfarande foer foerhindrande av oljeskador eller eldsvaodor och en behaollare foer tillaempning av foerfarandet.
FR2600971B1 (fr) Pale d'helice marine
FI864541A0 (fi) Golvbrunn eller liknande.
ATE98775T1 (de) Bestimmung von biomasse.
FI872823A (fi) Foerfarande och anvaendning av ensidigt behandlat papper eller kartong.
FI860389A0 (fi) Lastnings- och/eller avlastningsfoerfarande foer amfibiefordon och lastnings- och/eller avlastningsanlaeggning foer amfibiefordon.
FI862156A0 (fi) Undertrycksflaekt och/eller vaermevaexlare.
FI864388A0 (fi) Blad foer en skivfilters sektor.
FI863046A0 (fi) Samlare foer statisk eller friktions- elektricitet i plastroer.
FI864542A (fi) Golvbrunn eller liknande.
FI875285A0 (fi) Stickad eller virkad strumpprodukt.