GB2184305B - Propeller speed measurement - Google Patents

Propeller speed measurement

Info

Publication number
GB2184305B
GB2184305B GB8627275A GB8627275A GB2184305B GB 2184305 B GB2184305 B GB 2184305B GB 8627275 A GB8627275 A GB 8627275A GB 8627275 A GB8627275 A GB 8627275A GB 2184305 B GB2184305 B GB 2184305B
Authority
GB
United Kingdom
Prior art keywords
speed measurement
propeller speed
propeller
measurement
speed
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
GB8627275A
Other versions
GB8627275D0 (en
GB2184305A (en
Inventor
Paul Dennis Collopy
George Washington Bennett
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8627275D0 publication Critical patent/GB8627275D0/en
Publication of GB2184305A publication Critical patent/GB2184305A/en
Application granted granted Critical
Publication of GB2184305B publication Critical patent/GB2184305B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/565—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or by comparing the phase of generated current or voltage
    • 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
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/50—Phase synchronisation between multiple propellers
    • 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
    • G01P3/489—Digital circuits therefor
    • 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
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
GB8627275A 1985-12-12 1986-11-14 Propeller speed measurement Expired - Fee Related GB2184305B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80814785A 1985-12-12 1985-12-12

Publications (3)

Publication Number Publication Date
GB8627275D0 GB8627275D0 (en) 1986-12-17
GB2184305A GB2184305A (en) 1987-06-17
GB2184305B true GB2184305B (en) 1990-03-21

Family

ID=25198002

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8627275A Expired - Fee Related GB2184305B (en) 1985-12-12 1986-11-14 Propeller speed measurement
GB8915275A Expired - Fee Related GB2219703B (en) 1985-12-12 1989-07-04 A system for measuring the rotational speed of an aircraft propeller

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8915275A Expired - Fee Related GB2219703B (en) 1985-12-12 1989-07-04 A system for measuring the rotational speed of an aircraft propeller

Country Status (7)

Country Link
JP (1) JPS62156565A (en)
CA (1) CA1258914A (en)
DE (1) DE3641777A1 (en)
FR (1) FR2591752B1 (en)
GB (2) GB2184305B (en)
IT (1) IT1199757B (en)
SE (1) SE465872B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2554480B2 (en) * 1986-11-07 1996-11-13 株式会社 ゼクセル Time measuring device
GB2281624A (en) * 1993-07-30 1995-03-08 Rover Group Engine crankshaft position determination
DE4329521C2 (en) * 1993-09-02 1996-09-26 Deutsche Forsch Luft Raumfahrt Device for measuring rotor data in helicopters with articulated rotors for determining roll and pitch accelerations
DE19844780A1 (en) * 1998-09-30 2000-04-06 Bosch Gmbh Robert Pulse wheel rotational speed determination method for determining speed of vehicle, involves selecting pulses at unequal intervals
GB0129446D0 (en) * 2001-12-08 2002-01-30 Lucas Industries Ltd Angular velocity sensor
FR2932850B1 (en) * 2008-06-23 2010-08-13 Snecma METHOD AND SYSTEM FOR DETERMINING THE ANGULAR POSITION OF A TURBOJET ROTOR
DE102009016106A1 (en) * 2009-02-20 2010-08-26 Rolls-Royce Deutschland Ltd & Co Kg Method for determining rotational speed of e.g. low pressure shaft of aircraft engine, involves producing rotational speed signals for rotary shaft by magnetic coding of shaft and recognizing and evaluating signals by two signal sensors
DE102009016105B4 (en) * 2009-02-20 2017-11-16 Rolls-Royce Deutschland Ltd & Co Kg Method and device for measuring the load of rotating shafts
JP5762685B2 (en) * 2010-02-09 2015-08-12 新潟原動機株式会社 Control rotational speed calculation device, control rotational speed calculation method, and control rotational speed calculation program

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1099928A (en) * 1965-07-26 1968-01-17 Ici Ltd Speed detection
GB1565381A (en) * 1975-11-29 1980-04-23 Wabco Fahrzeugbremsen Gmbh Arrangement for ascertaining values that are dependent on the cycle times of an alternating voltage
EP0059433A1 (en) * 1981-02-28 1982-09-08 Hitachi, Ltd. Speed detecting apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7711634A (en) * 1977-10-24 1979-04-26 Philips Nv TACHOMETER SYSTEM.
JPS54143679A (en) * 1978-04-28 1979-11-09 Toyota Motor Co Ltd Method of detecting rotational frequency of rotary machine
DE3018528C2 (en) * 1980-05-14 1986-06-05 MTC, Meßtechnik und Optoelektronik AG, Neuenburg/Neuchâtel Method and device for measuring the angular velocity of a rotating body
WO1982003125A1 (en) * 1981-03-03 1982-09-16 Stevenson Thomas T Speed and timing angle measurement
JPS5944991A (en) * 1982-09-02 1984-03-13 Hitachi Ltd Rotating speed detecting method for brushless motor
JPS6080769A (en) * 1983-10-07 1985-05-08 Hitachi Ltd Detection of motor speed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1099928A (en) * 1965-07-26 1968-01-17 Ici Ltd Speed detection
GB1565381A (en) * 1975-11-29 1980-04-23 Wabco Fahrzeugbremsen Gmbh Arrangement for ascertaining values that are dependent on the cycle times of an alternating voltage
EP0059433A1 (en) * 1981-02-28 1982-09-08 Hitachi, Ltd. Speed detecting apparatus

Also Published As

Publication number Publication date
SE465872B (en) 1991-11-11
DE3641777A1 (en) 1987-06-19
GB8627275D0 (en) 1986-12-17
FR2591752A1 (en) 1987-06-19
FR2591752B1 (en) 1992-07-31
GB2184305A (en) 1987-06-17
SE8605218L (en) 1987-06-13
GB2219703B (en) 1990-04-04
SE8605218D0 (en) 1986-12-04
IT8622675A0 (en) 1986-12-12
CA1258914A (en) 1989-08-29
GB8915275D0 (en) 1989-08-23
JPS62156565A (en) 1987-07-11
GB2219703A (en) 1989-12-13
IT1199757B (en) 1988-12-30

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Legal Events

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

Effective date: 19931114