GB851921A - Thrust loss indicator - Google Patents

Thrust loss indicator

Info

Publication number
GB851921A
GB851921A GB579258A GB579258A GB851921A GB 851921 A GB851921 A GB 851921A GB 579258 A GB579258 A GB 579258A GB 579258 A GB579258 A GB 579258A GB 851921 A GB851921 A GB 851921A
Authority
GB
United Kingdom
Prior art keywords
pressure
thrust
loss
datum
gauge
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
GB579258A
Inventor
David Omri Davies
Frederick William Walto Morley
Maurice James Hibbert
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 GB579258A priority Critical patent/GB851921A/en
Publication of GB851921A publication Critical patent/GB851921A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/12—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring axial thrust in a rotary shaft, e.g. of propulsion plants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

851,921. Indicating loss of thrust in jet engines. ROLLS-ROYCE Ltd. Feb. 20, 1959 [Feb. 21, 1958], No. 5792/58. Classes 106 (2) and 106 (4). A device for indicating loss of thrust or power in a gas turbine engine particularly for aircraft comprises a pressure-responsive device 10, including pressure indicating means 11, means for supplying jet pipe total head pressure to the device 10 and a datum 24, whereby juxtaposition of the indicator 11 and the datum 24 during take-off, indicates a predetermined percentage loss of thrust. To determine when a serious loss of power has taken place in the engine, a pitot head situated at the downstream end of the jet pipe is connected to a pressure gauge 10. The dial 13 of this gauge is graduated in terms of ambient temperature and a rotatable transparent plate 16 is also provided. This latter is graduated in terms of ambient pressure and has the datum line 24 marked on it. In use, the plate 16 is turned by means of a knob 19 until the graduation corresponding to the ambient pressure is set against the graduation on the dial 13 corresponding to the prevailing ambient temperature. It is stated that if the pointer 11 of the gauge falls below the datum 24, then a 25% loss of thrust has taken place. The device is intended for use during take-off and one may be provided for each engine. The temperature and pressure scales may be interchanged.
GB579258A 1958-02-21 1958-02-21 Thrust loss indicator Expired GB851921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB579258A GB851921A (en) 1958-02-21 1958-02-21 Thrust loss indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB579258A GB851921A (en) 1958-02-21 1958-02-21 Thrust loss indicator

Publications (1)

Publication Number Publication Date
GB851921A true GB851921A (en) 1960-10-19

Family

ID=9802708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB579258A Expired GB851921A (en) 1958-02-21 1958-02-21 Thrust loss indicator

Country Status (1)

Country Link
GB (1) GB851921A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175643A (en) * 2011-12-20 2013-06-26 贵州黎阳航空动力有限公司 Method for connecting engine measuring pipe and pressure measurement system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175643A (en) * 2011-12-20 2013-06-26 贵州黎阳航空动力有限公司 Method for connecting engine measuring pipe and pressure measurement system

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