GB2170868B - Prop-fan with improved stability - Google Patents

Prop-fan with improved stability

Info

Publication number
GB2170868B
GB2170868B GB08524280A GB8524280A GB2170868B GB 2170868 B GB2170868 B GB 2170868B GB 08524280 A GB08524280 A GB 08524280A GB 8524280 A GB8524280 A GB 8524280A GB 2170868 B GB2170868 B GB 2170868B
Authority
GB
United Kingdom
Prior art keywords
prop
fan
improved stability
stability
improved
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
GB08524280A
Other versions
GB8524280D0 (en
GB2170868A (en
Inventor
Edward Allen Rothman
John Alfred Violette
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 GB8524280D0 publication Critical patent/GB8524280D0/en
Publication of GB2170868A publication Critical patent/GB2170868A/en
Application granted granted Critical
Publication of GB2170868B publication Critical patent/GB2170868B/en
Expired 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
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • 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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
GB08524280A 1985-02-07 1985-10-02 Prop-fan with improved stability Expired GB2170868B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69911985A 1985-02-07 1985-02-07

Publications (3)

Publication Number Publication Date
GB8524280D0 GB8524280D0 (en) 1985-11-06
GB2170868A GB2170868A (en) 1986-08-13
GB2170868B true GB2170868B (en) 1988-07-13

Family

ID=24808020

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08524280A Expired GB2170868B (en) 1985-02-07 1985-10-02 Prop-fan with improved stability

Country Status (7)

Country Link
JP (1) JPS61181798A (en)
BR (1) BR8504907A (en)
CA (1) CA1270802A (en)
DE (1) DE3535399A1 (en)
FR (1) FR2576872B1 (en)
GB (1) GB2170868B (en)
IT (1) IT1185996B (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605588B1 (en) * 1986-10-24 1989-04-28 Onera (Off Nat Aerospatiale) IMPROVEMENTS ON AIR PROPELLERS, ESPECIALLY FOR AIRCRAFT PROPELLERS
DE3738785A1 (en) * 1986-11-19 1988-05-26 Gen Electric CONTRA-ROTATING AIRPLANE DRIVE BLADES
USRE34207E (en) * 1986-11-19 1993-03-30 General Electric Company Counterrotating aircraft propulsor blades
US5165856A (en) * 1988-06-02 1992-11-24 General Electric Company Fan blade mount
US5102302A (en) * 1988-06-02 1992-04-07 General Electric Company Fan blade mount
GB2220712B (en) * 1988-07-13 1992-12-09 Rolls Royce Plc Open rotor blading
US4971641A (en) * 1988-11-14 1990-11-20 General Electric Company Method of making counterrotating aircraft propeller blades
US6071077A (en) * 1996-04-09 2000-06-06 Rolls-Royce Plc Swept fan blade
GB2469516A (en) * 2009-04-17 2010-10-20 Insensys Ltd Rotor blade with optical strain sensors covered by erosion shield
US20130340406A1 (en) 2012-01-31 2013-12-26 Edward J. Gallagher Fan stagger angle for geared gas turbine engine
US10465702B2 (en) 2014-02-19 2019-11-05 United Technologies Corporation Gas turbine engine airfoil
WO2015126715A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108110B1 (en) 2014-02-19 2020-04-22 United Technologies Corporation Gas turbine engine airfoil
WO2015175058A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3108109B1 (en) 2014-02-19 2023-09-13 Raytheon Technologies Corporation Gas turbine engine fan blade
US9567858B2 (en) 2014-02-19 2017-02-14 United Technologies Corporation Gas turbine engine airfoil
EP3108101B1 (en) * 2014-02-19 2022-04-20 Raytheon Technologies Corporation Gas turbine engine airfoil
US10519971B2 (en) 2014-02-19 2019-12-31 United Technologies Corporation Gas turbine engine airfoil
WO2015175052A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3114321B1 (en) 2014-02-19 2019-04-17 United Technologies Corporation Gas turbine engine airfoil
EP3108106B1 (en) 2014-02-19 2022-05-04 Raytheon Technologies Corporation Gas turbine engine airfoil
WO2015126824A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108116B1 (en) 2014-02-19 2024-01-17 RTX Corporation Gas turbine engine
WO2015126450A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108115B8 (en) 2014-02-19 2023-11-08 RTX Corporation Turbofan engine with geared architecture and lpc blades
WO2015175073A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
US10502229B2 (en) 2014-02-19 2019-12-10 United Technologies Corporation Gas turbine engine airfoil
EP3108113A4 (en) 2014-02-19 2017-03-15 United Technologies Corporation Gas turbine engine airfoil
US10393139B2 (en) 2014-02-19 2019-08-27 United Technologies Corporation Gas turbine engine airfoil
US10590775B2 (en) 2014-02-19 2020-03-17 United Technologies Corporation Gas turbine engine airfoil
US10605259B2 (en) 2014-02-19 2020-03-31 United Technologies Corporation Gas turbine engine airfoil
WO2015126454A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
FR3045564B1 (en) 2015-12-21 2018-08-17 Airbus Helicopters AIRCRAFT ROTOR BLADE WITH GEOMETRY ADAPTED FOR ACOUSTIC IMPROVEMENT DURING APPROACH FLIGHTS AND PERFORMANCE IMPROVEMENT IN STATIONARY AND ADVANCED FLIGHTS
FR3045565B1 (en) 2015-12-21 2018-07-27 Airbus Helicopters AIRCRAFT ROTOR BLADE WITH GEOMETRY ADAPTED FOR ACOUSTIC IMPROVEMENT DURING AN APPROACH FLIGHT AND PERFORMANCE IMPROVEMENT IN FLYING

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989406A (en) * 1974-11-26 1976-11-02 Bolt Beranek And Newman, Inc. Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like
US4171183A (en) * 1976-09-24 1979-10-16 United Technologies Corporation Multi-bladed, high speed prop-fan
US4358246A (en) * 1979-07-16 1982-11-09 United Technologies Corporation Noise reduction means for prop-fan and the construction thereof

Also Published As

Publication number Publication date
FR2576872B1 (en) 1987-07-24
FR2576872A1 (en) 1986-08-08
GB8524280D0 (en) 1985-11-06
CA1270802A (en) 1990-06-26
IT8522377A0 (en) 1985-10-07
IT1185996B (en) 1987-11-18
GB2170868A (en) 1986-08-13
DE3535399A1 (en) 1986-08-07
BR8504907A (en) 1986-12-16
JPS61181798A (en) 1986-08-14

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Legal Events

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

Effective date: 19941002