GB2313415B - Propeller or fan pitch change mechanism with inductive brake and motor - Google Patents

Propeller or fan pitch change mechanism with inductive brake and motor

Info

Publication number
GB2313415B
GB2313415B GB9713488A GB9713488A GB2313415B GB 2313415 B GB2313415 B GB 2313415B GB 9713488 A GB9713488 A GB 9713488A GB 9713488 A GB9713488 A GB 9713488A GB 2313415 B GB2313415 B GB 2313415B
Authority
GB
United Kingdom
Prior art keywords
propeller
motor
change mechanism
pitch change
fan pitch
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
GB9713488A
Other versions
GB2313415A (en
GB9713488D0 (en
Inventor
Paul A Carvalho
John E Games
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
Priority claimed from US08/173,526 external-priority patent/US5451141A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of GB9713488D0 publication Critical patent/GB9713488D0/en
Publication of GB2313415A publication Critical patent/GB2313415A/en
Application granted granted Critical
Publication of GB2313415B publication Critical patent/GB2313415B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B64C11/44—Blade pitch-changing mechanisms electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • F04D29/323—Blade mountings adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Turbines (AREA)
GB9713488A 1993-12-23 1994-11-28 Propeller or fan pitch change mechanism with inductive brake and motor Expired - Fee Related GB2313415B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/173,526 US5451141A (en) 1993-12-23 1993-12-23 Propeller pitch change machanism with inductive brake and motor
GB9424001A GB2285098B (en) 1993-12-23 1994-11-28 Propeller or fan pitch change mechanism with inductive brake and motor

Publications (3)

Publication Number Publication Date
GB9713488D0 GB9713488D0 (en) 1997-09-03
GB2313415A GB2313415A (en) 1997-11-26
GB2313415B true GB2313415B (en) 1998-05-20

Family

ID=26306055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9713488A Expired - Fee Related GB2313415B (en) 1993-12-23 1994-11-28 Propeller or fan pitch change mechanism with inductive brake and motor

Country Status (1)

Country Link
GB (1) GB2313415B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983235B1 (en) * 2011-11-24 2018-04-13 Safran Electrical & Power ROTATING MECHANICAL SYSTEM WITH CONTACTLESS ACTUATION
CN114872891B (en) * 2022-07-13 2022-09-16 深圳市海清视讯科技有限公司 Rotor craft, and control method and device of rotor craft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620887A (en) * 1947-09-30 1952-12-09 Curtiss Wright Corp Electrically operated propeller pitch change mechanism
EP0394181A2 (en) * 1989-04-11 1990-10-24 United Technologies Corporation Use of discrete (on-off) feather signal to govern propeller overspeed
US5281094A (en) * 1991-05-13 1994-01-25 Alliedsignal Inc Electromechanical apparatus for varying blade of variable-pitch fan blades

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620887A (en) * 1947-09-30 1952-12-09 Curtiss Wright Corp Electrically operated propeller pitch change mechanism
EP0394181A2 (en) * 1989-04-11 1990-10-24 United Technologies Corporation Use of discrete (on-off) feather signal to govern propeller overspeed
US5281094A (en) * 1991-05-13 1994-01-25 Alliedsignal Inc Electromechanical apparatus for varying blade of variable-pitch fan blades

Also Published As

Publication number Publication date
GB2313415A (en) 1997-11-26
GB9713488D0 (en) 1997-09-03

Similar Documents

Publication Publication Date Title
GB2285098B (en) Propeller or fan pitch change mechanism with inductive brake and motor
EP0609933A3 (en) Vehicle ventilator and speed control resistor circuit therefor.
EP0606140A3 (en) Composite shaft with flexible features.
GB2313415B (en) Propeller or fan pitch change mechanism with inductive brake and motor
GB2279423B (en) Compact motor with speed reducing mechanism
EP0426318A3 (en) Automotive fan drive train assembly
GB9302562D0 (en) Ventilator
EP0682072A3 (en) Resin composition and multilayered structure comprising the same.
KR950017716U (en) Propeller shaft
GB9308084D0 (en) Ventilator
GB2274126B (en) Ventilator
GB9308970D0 (en) Propeller shaft foil
GB2255158B (en) Vehicle bulkhead and pedal-operated actuator assembly
GB2257404B (en) Vehicle propelling member and assembly
GB9312158D0 (en) The aerodynamic fan assembly
GB9304225D0 (en) Motor and assembly
GB9317818D0 (en) Ventilator
KR0107115Y1 (en) The assistant brake system with energy-accumulation function
KR970005783Y1 (en) Fan with complex hub
GB9319431D0 (en) Bath-radiator with or without a fan
GB9217575D0 (en) Composite air propellers/fans
GB9109716D0 (en) Vehicle handbrakes and operating mechanisms therefor
GB9420042D0 (en) Wind speed and direction indicator
AUPM613594A0 (en) Indirect induction/propulsion unit (I.I.P.U.) and the semi-direct induction/propulsion unit (S.I.P.U.)
AU2007292A (en) Ventilating arrangement for a car and car provided with the same

Legal Events

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

Effective date: 20051128

728V Application for restoration filed (sect. 28/1977)
S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Effective date: 20080521

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131128