GB980608A - Power plant - Google Patents

Power plant

Info

Publication number
GB980608A
GB980608A GB48003/63A GB4800363A GB980608A GB 980608 A GB980608 A GB 980608A GB 48003/63 A GB48003/63 A GB 48003/63A GB 4800363 A GB4800363 A GB 4800363A GB 980608 A GB980608 A GB 980608A
Authority
GB
United Kingdom
Prior art keywords
blades
turbine
fan
compressor
shaft
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
GB48003/63A
Inventor
Ronald Albert Gilbert
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 GB48003/63A priority Critical patent/GB980608A/en
Publication of GB980608A publication Critical patent/GB980608A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

980,608. Jet propulsion plant; gas turbine plant. ROLL-ROYCE Ltd. Dec. 4, 1963, No. 48003/63. Headings F1G and F1J. [Also in Division B7] A power plant for driving a helicopter rotor comprises a compressor 23, combustion equipment 24, two stage turbine 25, two stage free turbine 26 and jet pipe 27. Compressor 23 and turbine 25 are mounted on a common shaft 28 and free turbine 26 is on a shaft 30 provided at its forward end with an input gear wheel 31 forming part of a reduction gear 32 having other gears 32, 33, 34 of which gear 33 drives a rotor drive shaft 20 through a free wheel device 43 and gear 34 drives the hub 35 of a ducted fan 36 housed within a fairing 40 which is supported by inlet guide vanes 41 and struts 42. Part of the air delivered by fan 36 passes to compressor 23, the remainder to atmosphere and means is provided for feathering the blades 37 of fan 36. In operation, during take-off and hovering, blades 37 are feathered so that maximum power is delivered to shaft 20 and during forward flight blades 37 are unfeathered so that the power output from the engines will increase to provide forward propulsion. The fan could be mounted at the rear of the engine or the blades 37 could form extensions of the blades of free turbine 26. Shroud 40 could extend the length of the engine and propellers may be used to absorb power instead of a ducted fan.
GB48003/63A 1963-12-04 1963-12-04 Power plant Expired GB980608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB48003/63A GB980608A (en) 1963-12-04 1963-12-04 Power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB48003/63A GB980608A (en) 1963-12-04 1963-12-04 Power plant

Publications (1)

Publication Number Publication Date
GB980608A true GB980608A (en) 1965-01-13

Family

ID=10447016

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48003/63A Expired GB980608A (en) 1963-12-04 1963-12-04 Power plant

Country Status (1)

Country Link
GB (1) GB980608A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343152A1 (en) * 1982-12-01 1984-06-07 Rolls-Royce Ltd., London TURNING PLANE
US4610410A (en) * 1983-07-22 1986-09-09 Rolls-Royce Limited Compound helicopter and powerplant therefor
WO2007018559A1 (en) * 2004-09-14 2007-02-15 The Boeing Company Tandem rotor wing rotational position control system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343152A1 (en) * 1982-12-01 1984-06-07 Rolls-Royce Ltd., London TURNING PLANE
US4691877A (en) * 1982-12-01 1987-09-08 Rolls-Royce Plc Compound helicopter and powerplant therefor
US4610410A (en) * 1983-07-22 1986-09-09 Rolls-Royce Limited Compound helicopter and powerplant therefor
WO2007018559A1 (en) * 2004-09-14 2007-02-15 The Boeing Company Tandem rotor wing rotational position control system
US7546975B2 (en) 2004-09-14 2009-06-16 The Boeing Company Tandem rotor wing rotational position control system

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