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Month in the Patent Office

Month in the Patent Office 270 AIRCRAFT ENGINEERING October, 1930 A Selection of the More Important Aircraft and Engine Specifications Published Recently 329,968 . Aircraft. Chorlton, A. E. L. Aircraft with rotary wing systems; controlling. 55, Lower Belgrave Street, Haig, R. A. de H., —I n an aircraft having freely rotative wings 42 107, Belgrave Road, and Stiegcr, H. J., 54, fixed wings 45 are so arranged that when the Bathgat e Road, Wimbledon, all in London. aircraft is in an attitude to the relative air Feb . 27, 1929, No. 6405. [Class 4.] stream in which the rotative wings 42 give "n o Planes and the like, construction of; frame­ lift," the fixed wings give a small negative work.—Cantilever wings, braced against tor­ lift or downward force. The wings 4 2 ma y have sional deflection, have spaced spars, composed a section giving a substantially fixed centre of of upper and lower narrow booms b1 b2, c1 c2 pressure or a rcflexly curved section may be and webs b3, c3, stayed apart at intervals by employed ; in cither case the wings are so compression ribs d and thus divided into rect­ arranged that the lift line of action passes angular or trapezoidal sections from the root to in front of the centre of gravity of the aircraft the outer end, and braced by triangular ten­ when the wing is lifting positively and behind sion bracing members e1 e2, e3 e4, f1 f2, f3 f4, when the wing is lifting negatively. In Fig. 1, having their bases on the upper and lower E F is the no lift line for the wing 42 and GH booms and the apices of the bracing members tha t for the wing 45 ; the line E1 F1 is drawn on the upper booms of different spars connected parallel to the line EF . In a modification the together and also the apices of bracing mem­ fixed wings are capable of adjustment, being bers on the lower booms connected together to coupled to the elevator control to enable the form opposed pyramids e1. . e4 and f1 . . f4, pilot to vary the downward force of the fixed th e apices of one pyramid being stayed apart wings when diving and to set them in their from the apices of the opposite pyramid by most efficient position for normal flight. means of a strut g. Alternatively an inter­ Alternatively ailerons may be provided to mediate spar may replace the struts g, the fulfil the same function, being moved up or apices of the pyramids being located on its down together to vary the virtual angle of b y a link 14, has a lateral extension 4 coupled booms. Similarly more than three spars may incidence of the fixed wings; this may be b y a link 5 to a bell-crank lever 6 which is be braced together by tension members forming effected in conjunction with the elevator control. connected by cables 10, 11 to the brakes on Specification 330,515 is referred to. th e two sides of the machine. Two additional cables 18, 19 extend from the brakes to the lower end of the lever 15. The cables are normally slack and the slack is taken up sufficiently to apply the brakes only when the control lever 1 is moved to extreme positions. A modification is described in which the cables 10, 11 are connected directly to the lower end of the control column 1. Hydraulically or electrically applied brakes may be used instead of the cable-actuated brakes shown. 330,515 . Aircraft. Cierva Autogiro Co., Ltd. , an d Cierva, J. de la, Bus h House, Aldwych, London. March 4, 1929, No. 7025. [Class 4.] Machines with rotary wing systems; planes, arrangement of.—Aircraft having freely rotative Classified Advertisements wings driven by the relative airflow in flight are provided with one or more pairs of fixed 2/- per Line, 2 Line Minimum, Payable in Advance. fins forming a pronounced dihedral angle, the members of each such pair being disposed respectively on either side of the aircraft two rows of double pyramids either placed side outside of the slipstream or streams from the O ALL AERONAUTICAL FIRMS.— b y side or partially overlapping. The spar propelling means. Fig. 1 shows an aircraft webs may be of skeleton form. Specification The specialised advertising and marketing having fixed wings 44 set at a slight dihedral 306,220 is referred to. service required in the aviation field is angle and having upturned wing tips 45 forming stabilizing fins. provided by AEROMARINE ADVER­ 330,611 . Aircraft. Gloster Aircraft Co., Balancing.—Manually controlled ailerons ma y TISING LTD., 56-57 Fleet Street, London, Ltd., and Saint, H. J., Sunningend Works, be fitted to the wings 44, the outward extremi­ Cheltenham, Gloucestershire. March 13, 1929, E.C.4 (Tele.: Central 2423). This service ties of the ailerons being shrouded by the wing No. 8212. [Class 4.] is free to clients. Leading aeronautical firms tips 45. An aileron is indicated in its displaced Steering and balancing; wheel brakes, appli­ use this specialised organisation, which has positions a t 46 x . cation of.—The wheel brakes of an aircraft been built up by aviation experts. Write are applied on either or bot h sides of th e machine or' phone. respectively by extreme lateral and fore and aft movements of the aileron and elevator control column. A universally mounted lever 1, connected to the elevator control lever 15 "AIRCRAFT ENGINEERING" Copies of the issues for January and * These abstracts of complete specifications of Patents recently published are specially compiled by permission of H.M. Stationery February, 1930, are urgently required. Any­ Office, from abridgements appearing in the Patent Journal. Printed copies of the full specifications can be obtained from the Patent one having copies of these numbers for sale is 330,665 . Aircraft. Cierva Autogiro Co., Office, 25, Southampton Buildings, London, W.C.2, price one shilling each. asked to communicate with the Manager, Ltd. , an d Cierva, J . de la, Bus h House, Aldwych, Except where otherwise stated, the specification is unaccompanied 6, Norfolk Street, Strand, London, W.C.2. London. March 20, 1929, No. 8997. [Class 4.] by drawings if none is reproduced. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Month in the Patent Office

Aircraft Engineering and Aerospace Technology , Volume 2 (10): 1 – Oct 1, 1930

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029330
Publisher site
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Abstract

270 AIRCRAFT ENGINEERING October, 1930 A Selection of the More Important Aircraft and Engine Specifications Published Recently 329,968 . Aircraft. Chorlton, A. E. L. Aircraft with rotary wing systems; controlling. 55, Lower Belgrave Street, Haig, R. A. de H., —I n an aircraft having freely rotative wings 42 107, Belgrave Road, and Stiegcr, H. J., 54, fixed wings 45 are so arranged that when the Bathgat e Road, Wimbledon, all in London. aircraft is in an attitude to the relative air Feb . 27, 1929, No. 6405. [Class 4.] stream in which the rotative wings 42 give "n o Planes and the like, construction of; frame­ lift," the fixed wings give a small negative work.—Cantilever wings, braced against tor­ lift or downward force. The wings 4 2 ma y have sional deflection, have spaced spars, composed a section giving a substantially fixed centre of of upper and lower narrow booms b1 b2, c1 c2 pressure or a rcflexly curved section may be and webs b3, c3, stayed apart at intervals by employed ; in cither case the wings are so compression ribs d and thus divided into rect­ arranged that the lift line of action passes angular or trapezoidal sections from the root to in front of the centre of gravity of the aircraft the outer end, and braced by triangular ten­ when the wing is lifting positively and behind sion bracing members e1 e2, e3 e4, f1 f2, f3 f4, when the wing is lifting negatively. In Fig. 1, having their bases on the upper and lower E F is the no lift line for the wing 42 and GH booms and the apices of the bracing members tha t for the wing 45 ; the line E1 F1 is drawn on the upper booms of different spars connected parallel to the line EF . In a modification the together and also the apices of bracing mem­ fixed wings are capable of adjustment, being bers on the lower booms connected together to coupled to the elevator control to enable the form opposed pyramids e1. . e4 and f1 . . f4, pilot to vary the downward force of the fixed th e apices of one pyramid being stayed apart wings when diving and to set them in their from the apices of the opposite pyramid by most efficient position for normal flight. means of a strut g. Alternatively an inter­ Alternatively ailerons may be provided to mediate spar may replace the struts g, the fulfil the same function, being moved up or apices of the pyramids being located on its down together to vary the virtual angle of b y a link 14, has a lateral extension 4 coupled booms. Similarly more than three spars may incidence of the fixed wings; this may be b y a link 5 to a bell-crank lever 6 which is be braced together by tension members forming effected in conjunction with the elevator control. connected by cables 10, 11 to the brakes on Specification 330,515 is referred to. th e two sides of the machine. Two additional cables 18, 19 extend from the brakes to the lower end of the lever 15. The cables are normally slack and the slack is taken up sufficiently to apply the brakes only when the control lever 1 is moved to extreme positions. A modification is described in which the cables 10, 11 are connected directly to the lower end of the control column 1. Hydraulically or electrically applied brakes may be used instead of the cable-actuated brakes shown. 330,515 . Aircraft. Cierva Autogiro Co., Ltd. , an d Cierva, J. de la, Bus h House, Aldwych, London. March 4, 1929, No. 7025. [Class 4.] Machines with rotary wing systems; planes, arrangement of.—Aircraft having freely rotative Classified Advertisements wings driven by the relative airflow in flight are provided with one or more pairs of fixed 2/- per Line, 2 Line Minimum, Payable in Advance. fins forming a pronounced dihedral angle, the members of each such pair being disposed respectively on either side of the aircraft two rows of double pyramids either placed side outside of the slipstream or streams from the O ALL AERONAUTICAL FIRMS.— b y side or partially overlapping. The spar propelling means. Fig. 1 shows an aircraft webs may be of skeleton form. Specification The specialised advertising and marketing having fixed wings 44 set at a slight dihedral 306,220 is referred to. service required in the aviation field is angle and having upturned wing tips 45 forming stabilizing fins. provided by AEROMARINE ADVER­ 330,611 . Aircraft. Gloster Aircraft Co., Balancing.—Manually controlled ailerons ma y TISING LTD., 56-57 Fleet Street, London, Ltd., and Saint, H. J., Sunningend Works, be fitted to the wings 44, the outward extremi­ Cheltenham, Gloucestershire. March 13, 1929, E.C.4 (Tele.: Central 2423). This service ties of the ailerons being shrouded by the wing No. 8212. [Class 4.] is free to clients. Leading aeronautical firms tips 45. An aileron is indicated in its displaced Steering and balancing; wheel brakes, appli­ use this specialised organisation, which has positions a t 46 x . cation of.—The wheel brakes of an aircraft been built up by aviation experts. Write are applied on either or bot h sides of th e machine or' phone. respectively by extreme lateral and fore and aft movements of the aileron and elevator control column. A universally mounted lever 1, connected to the elevator control lever 15 "AIRCRAFT ENGINEERING" Copies of the issues for January and * These abstracts of complete specifications of Patents recently published are specially compiled by permission of H.M. Stationery February, 1930, are urgently required. Any­ Office, from abridgements appearing in the Patent Journal. Printed copies of the full specifications can be obtained from the Patent one having copies of these numbers for sale is 330,665 . Aircraft. Cierva Autogiro Co., Office, 25, Southampton Buildings, London, W.C.2, price one shilling each. asked to communicate with the Manager, Ltd. , an d Cierva, J . de la, Bus h House, Aldwych, Except where otherwise stated, the specification is unaccompanied 6, Norfolk Street, Strand, London, W.C.2. London. March 20, 1929, No. 8997. [Class 4.] by drawings if none is reproduced.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Oct 1, 1930

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