GB825303A - Improvements in or relating to variable pitch propellers - Google Patents

Improvements in or relating to variable pitch propellers

Info

Publication number
GB825303A
GB825303A GB12303/57A GB1230357A GB825303A GB 825303 A GB825303 A GB 825303A GB 12303/57 A GB12303/57 A GB 12303/57A GB 1230357 A GB1230357 A GB 1230357A GB 825303 A GB825303 A GB 825303A
Authority
GB
United Kingdom
Prior art keywords
relating
variable pitch
roller
pitch propellers
rollers
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
GB12303/57A
Inventor
Robert Terence Elmes
John Alfred Chilman
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.)
Rotol Ltd
Original Assignee
Rotol Ltd
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 Rotol Ltd filed Critical Rotol Ltd
Priority to GB12303/57A priority Critical patent/GB825303A/en
Publication of GB825303A publication Critical patent/GB825303A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
    • 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
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/43—Aeroplanes; Helicopters

Abstract

825,303. Roller bearings. ROTOL Ltd. March 25, 1958 [April 15, 1957], No. 12303/57. Class 12 (1). [Also in Group XXXIII] The blade root bearing arrangement in a variable-pitch propeller (see Group XXXIII) may include a bearing comprising rollers 133, 134 of equal size or, as in Fig. 4, one long roller 135 and one short roller 136 in cage pockets 137, the long and short rollers being interchanged as to position in adjacent pockets.
GB12303/57A 1957-04-15 1957-04-15 Improvements in or relating to variable pitch propellers Expired GB825303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB12303/57A GB825303A (en) 1957-04-15 1957-04-15 Improvements in or relating to variable pitch propellers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12303/57A GB825303A (en) 1957-04-15 1957-04-15 Improvements in or relating to variable pitch propellers

Publications (1)

Publication Number Publication Date
GB825303A true GB825303A (en) 1959-12-16

Family

ID=10002046

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12303/57A Expired GB825303A (en) 1957-04-15 1957-04-15 Improvements in or relating to variable pitch propellers

Country Status (1)

Country Link
GB (1) GB825303A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078128A1 (en) * 1981-10-12 1983-05-04 Sanden Corporation A drive bearing device for a fluid displacement apparatus
GB2192943A (en) * 1986-07-26 1988-01-27 Rolls Royce Plc A variable pitch blade assembly
GB2226087A (en) * 1988-12-14 1990-06-20 Gen Electric Propeller blade mounting arrangement
GB2226604A (en) * 1988-11-24 1990-07-04 Mtu Muenchen Gmbh Blade-base attachment for a fibre rotor blade
FR2877917A1 (en) * 2004-11-16 2006-05-19 Ratier Figeac Soc Aeronautical propeller blade mounting device for turbo-propelled aircraft, has blade shank rotatably mounted in housing of hub by antifriction bearing having two crossed cylindrical rollers that are mounted in rolling bearing cage
EP2535518A3 (en) * 2011-06-14 2014-11-12 Rolls-Royce plc Blade mounting system
EP2535519A3 (en) * 2011-06-14 2014-11-12 Rolls-Royce plc A retention device for a rotating blade

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078128A1 (en) * 1981-10-12 1983-05-04 Sanden Corporation A drive bearing device for a fluid displacement apparatus
GB2192943A (en) * 1986-07-26 1988-01-27 Rolls Royce Plc A variable pitch blade assembly
GB2226604A (en) * 1988-11-24 1990-07-04 Mtu Muenchen Gmbh Blade-base attachment for a fibre rotor blade
GB2226604B (en) * 1988-11-24 1992-10-21 Mtu Muenchen Gmbh The combination of a blade-base attachment and a rotor blade.
GB2226087A (en) * 1988-12-14 1990-06-20 Gen Electric Propeller blade mounting arrangement
FR2877917A1 (en) * 2004-11-16 2006-05-19 Ratier Figeac Soc Aeronautical propeller blade mounting device for turbo-propelled aircraft, has blade shank rotatably mounted in housing of hub by antifriction bearing having two crossed cylindrical rollers that are mounted in rolling bearing cage
EP2535518A3 (en) * 2011-06-14 2014-11-12 Rolls-Royce plc Blade mounting system
EP2535519A3 (en) * 2011-06-14 2014-11-12 Rolls-Royce plc A retention device for a rotating blade
US8985946B2 (en) 2011-06-14 2015-03-24 Rolls-Royce Plc Mounting system
US9145776B2 (en) 2011-06-14 2015-09-29 Rolls-Royce Plc Retention device for a rotating blade

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