GB809171A - Aeronautical propeller pitch control and servo system - Google Patents

Aeronautical propeller pitch control and servo system

Info

Publication number
GB809171A
GB809171A GB32532/56A GB3253256A GB809171A GB 809171 A GB809171 A GB 809171A GB 32532/56 A GB32532/56 A GB 32532/56A GB 3253256 A GB3253256 A GB 3253256A GB 809171 A GB809171 A GB 809171A
Authority
GB
United Kingdom
Prior art keywords
pitch
servo system
pitch control
propeller pitch
oct
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
GB32532/56A
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 Aircraft 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 Aircraft Corp filed Critical United Aircraft Corp
Publication of GB809171A publication Critical patent/GB809171A/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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B64C11/40—Blade pitch-changing mechanisms fluid, e.g. hydraulic automatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Flow Control (AREA)

Abstract

809,171. Variable pitch propeller control. UNITED AIRCRAFT CORPORATION. Oct. 25, 1956 [Oct. 28, 1955], No. 32532/56. Drawings to Specification. Class 114. The subject matter of one embodiment is substantially the same as that disclosed in Specification 774,745 [Group XXIX] but with the addition of a restriction in the high-pressure conduit between the governor and flow-control valves to produce a rate of change towards high-pitch which in normal operation is greater than that towards low pitch ; a check valve is also provided to enable a rapid change to be made into reverse pitch by permitting a greater quantity of liquid to flow into the high-pressure conduit. In a modification, the pressure-regulating valves are dispensed with. Specification 692,119 also is referred to.
GB32532/56A 1955-10-28 1956-10-25 Aeronautical propeller pitch control and servo system Expired GB809171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US809171XA 1955-10-28 1955-10-28

Publications (1)

Publication Number Publication Date
GB809171A true GB809171A (en) 1959-02-18

Family

ID=22160482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32532/56A Expired GB809171A (en) 1955-10-28 1956-10-25 Aeronautical propeller pitch control and servo system

Country Status (1)

Country Link
GB (1) GB809171A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533296A (en) * 1983-11-07 1985-08-06 United Technologies Corporation Pitch control system for variable pitch propeller
EP2192307A2 (en) 2008-12-01 2010-06-02 Rolls-Royce plc Blade pitch control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533296A (en) * 1983-11-07 1985-08-06 United Technologies Corporation Pitch control system for variable pitch propeller
EP2192307A2 (en) 2008-12-01 2010-06-02 Rolls-Royce plc Blade pitch control system
EP2192307A3 (en) * 2008-12-01 2013-08-07 Rolls-Royce plc Blade pitch control system

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