GB485978A - Improvements in or relating to variable pitch propellers - Google Patents

Improvements in or relating to variable pitch propellers

Info

Publication number
GB485978A
GB485978A GB27565/37A GB2756537A GB485978A GB 485978 A GB485978 A GB 485978A GB 27565/37 A GB27565/37 A GB 27565/37A GB 2756537 A GB2756537 A GB 2756537A GB 485978 A GB485978 A GB 485978A
Authority
GB
United Kingdom
Prior art keywords
sleeve member
sleeve
ring
teeth
root
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
GB27565/37A
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.)
Vereinigte Deutsche Metallwerke AG
Ver Deutsche Metallwerke AG
Original Assignee
Vereinigte Deutsche Metallwerke AG
Ver Deutsche Metallwerke AG
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 Vereinigte Deutsche Metallwerke AG, Ver Deutsche Metallwerke AG filed Critical Vereinigte Deutsche Metallwerke AG
Publication of GB485978A publication Critical patent/GB485978A/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
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings

Abstract

485,978. Screw propellers. VEREINIGTE DEUTSCHE METALLWERKE AKT.-GES. Oct. 11, 1937, No. 27565. Convention date, Jan. 9. [Class 114] A mounting for variable pitch propeller blades is constituted by a two-part sleeve which is divided transversely of the root, one part being screwed directly to the root and carrying the thrust race bearing. Blade roots f are held in a socket by means of a sleeve which is in two parts g and h which are screwed together. The sleeve member h also has a flange i for supporting the thrust bearing k, and also integral therewith is a worm gear m. The two sleeves g and h are united by a thread which is, in addition, guided by overlapping extensions p and q. In the upper socket portion q, projections r are provided which serve as axial guides for an insertable ring s having teeth s<1>. The teeth s<1> engage in corresponding gaps in the upper rim of the lower sleeve member h, and secure the latter against turning or detachment. In order to keep the ring s in position, it is held by split ring t which is snapped in a groove in the sleeve member g.
GB27565/37A 1937-01-09 1937-10-11 Improvements in or relating to variable pitch propellers Expired GB485978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE485978X 1937-01-09

Publications (1)

Publication Number Publication Date
GB485978A true GB485978A (en) 1938-05-27

Family

ID=6543365

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27565/37A Expired GB485978A (en) 1937-01-09 1937-10-11 Improvements in or relating to variable pitch propellers

Country Status (1)

Country Link
GB (1) GB485978A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420424A (en) * 1942-02-18 1947-05-13 Everel Propeller Corp Hub construction
US4921403A (en) * 1988-01-15 1990-05-01 Dowty Rotol Limited Propeller blade assembly
GB2226087A (en) * 1988-12-14 1990-06-20 Gen Electric Propeller blade mounting arrangement
US5015150A (en) * 1988-05-31 1991-05-14 Mtu Munchen Gmbh Arrangement for mounting a pivotable propfan blade
US5263898A (en) * 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
WO2011009702A1 (en) * 2009-07-20 2011-01-27 Rolls-Royce Plc Mechanical joint
CN105517890A (en) * 2014-11-10 2016-04-20 深圳市大疆创新科技有限公司 Driving device, propeller and power system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420424A (en) * 1942-02-18 1947-05-13 Everel Propeller Corp Hub construction
US4921403A (en) * 1988-01-15 1990-05-01 Dowty Rotol Limited Propeller blade assembly
US5015150A (en) * 1988-05-31 1991-05-14 Mtu Munchen Gmbh Arrangement for mounting a pivotable propfan blade
GB2226087A (en) * 1988-12-14 1990-06-20 Gen Electric Propeller blade mounting arrangement
US5263898A (en) * 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
WO2011009702A1 (en) * 2009-07-20 2011-01-27 Rolls-Royce Plc Mechanical joint
US9102396B2 (en) 2009-07-20 2015-08-11 Rolls-Royce Plc Mechanical joint
CN105517890A (en) * 2014-11-10 2016-04-20 深圳市大疆创新科技有限公司 Driving device, propeller and power system
US10669009B2 (en) 2014-11-10 2020-06-02 SZ DJI Technology Co., Ltd. Driving device, propeller and propulsion system
US11155335B2 (en) 2014-11-10 2021-10-26 SZ DJI Technology Co., Ltd. Driving device, propeller and propulsion system

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