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Month in the Patent Office

Month in the Patent Office AIRCRAF T ENGINEERING July, 1933 A Selection of the More Important Aircraft and Engin e Specifications Published Recently 385,505 . Sparking-plugs. Imperial Airways th e V formed by the diagonal members reaching Ltd. , 13, Charles Street, Humphery, G. E. Woods-, i t from its other neighbour. The invention is 5, Shelley Court, Tite Street, Chelsea, and Hall, described with reference to a wing spar of the H . L., 26, Abbotswood Road, Streatham, all in general type described in Specification 334,405 London. April 19, 1932, No. 11246. [Class 4, Aeronautics], comprising a number of Th e insulation extends to the bay s of pyramidal form. In each bay, booms back of the cylindro-conical head 30 to 33 arc secured to one another by diagonal of the central electrode. Longi­ bracin g members 11 attached by gusset plates 10. tudina l ridges 7 on the head are I n the middle of each boom section, pairs of gusset situate d opposite or extend be­ plate s 10 secure two diagonals 11. At the end of tween narrow fingers 8 depend­ each section single U-shaped gussets 40 secure one ing from the threaded end of the diagonal only. The base of th e U-plate abut s against casing. Through the intervening th e end of the boom section and is cut away to port s the insulator is directly allow for th e presence of means for securing adjacent exposed to the combustion gases. length s of the spar which may comprise externally A cylindrical annular space ex­ threade d ferrules engaging threaded strengthening tend s between the casing and sleeves of the type described in Specification insulation back to the seating of 334,405, or near th e wing root where thicker booms th e flanges. ma y be employed the boom sections may be externall y threaded and connected by internally 385,681 . Cooling cylinders. Armstrong Siddeley Motors, Ltd., and Green, F . M., Armstrong ceases, spring 8 returns the plunger to its normal Siddeley Works, Park Side, Coventry. Sept. 30, position against the end of the pipe line nipple 10, 1931, No. 27209. th e fuel passing around the peripher y of th e plunger. I n an air-cooled engine, cowling for diverting th e cooling current is formed of two plates for each 386,127 . Cooling cylinders. Siemens & cylinder, the one, 5, surrounding the exhaust valve Halske Akt.-Ges., Siemensstadt, Berlin. Jan. 21, being larger than the other, 4, surrounding the 1932, No. 1907. Convention date, Jan. 27, 1931. inlet valve. For a star engine with two banks of A streamlined fairing 4 is rigidly attached to, or cylinders 15, 17, Fig. 4, only the rear bank has integral with, a cylinder 1 an d either has openings cowling as above described, the plate 4 adjacent 5, 6 (Fig. 2) for the passage of cooling air, or is each inlet valve carrying a plate 16 for the exhaust closed (Fig. 5) and the spaces 8, 9 ar c filled with a valve in a cylinder of the front bank. The plates good-conducting substance, e.g., ethylene glycol, ar e turned in a t the bottom as a t 9 and also carry glycerine, oil, or metal salts which become liquid spacers 8 to hold the plates away from the cooling a t high temperatures; internal baffles 7 and ribs ; the turned-in parts and the spacers take externa l fins 11 may be provided. As shown in over wires which grip the cylinder. In one form Fig . 2, a part 3 of the fairing is integral with th e ends of the wires are joined by a link and an cooling fins 2 of the cylinder. adjustin g screw 12; in another arrangement the wires a t one end hook over projections 13 and are connected together by a spring 14. threade d collars, in whic h case th e U-shaped gussets ar c replaced by gussets similar to those shown at 10 and secured to either side of the collar. The diagonals 11 may be of the type described in Specification 376,364 and the spa r may be assembled in the manner described therein. Cross ribs 38, Figs. 1 and 2, arc connected to plates 39 clamped between adjacent boom sections, to which plates 386,355 . Airscrews; aircraft. Stipa, L., ar e also attached rib members 43. Ribs 38 com­ 6, Via Ravenna, Rome. Aug. 31, 1931, No . 24437. prise angle-section members 42 interconnected by Convention date, Sept. 1, 1930. cross bracings, and rib members 43 comprise thin tube s united by diagonal members 44 and gusset An airscrew, 4, is placed plates 45. Torsion stays 46 an d stay wires 47 may a t the entrance to a also be attached to plates 32. The gusset plates tubula r member 1 having 40 may be of progressively lighter construction a n inner venturi passage; toward s the tip of the spar. 385,733 . Fuel-injection valves. Armstrong th e engine, 9, is either Siddeley Motors, Ltd., and Taylor, H . B., Armstrong mounte d directly ad­ Siddeley Works, Park Side, Coventry. Dec. 16, jacen t to the propeller boss or in a streamline 387 , 390 . Aircraft instrumen t arrangement. 1931, No. 34835. casing in the tube. One or more such tubes Humphery , G. E. Woods-, 5, Shelley Court, Tite To prevent the obstruction of a fuel-injection Street, Chelsea, Hall, H. L., 26, Abbotswood Road, ma y be used and substituted for th e usual fuselage nozzle a spring pressed plunger 9 which slides in Streatham , and Imperial Airways, Ltd., 13, Charles on an aeroplane, the wings and control surfaces th e bore of a fuel duct 6 wit h a peripheral clearance Street, St. James's Square, all in London. Aug. 6, being attached directly to the tube or tubes. smaller than the diameter of any of the injection 1931, No. 22275. Drawings to Specification. Reference has been directed by the Comptroller orifices, arrests foreign matter which may escape Instrument s . for indicating temperature and to Specification 141,445 [Class 4, Aeronautics]. th e normal filter. If, at high engine speeds, the pressure of oil and engine speed, etc., are placed fuel from the pump cannot pass the plunger 9, as close to the engines as possible and their readings 386,657 . Aircraft framework. Vickers th e plunger yields and forces into the cylinder ar e transmitted to repealer instruments at points (Aviation) Ltd., and Wallis, B. N., Byfleet Road, some of the fuel detained in the space adjacent most convenient to the crew. The master in­ Weybridge , Surrey. July 17, 1931, No. 20510. the spraying orifice. When the delivery stroke strument s are so placed that their indications can Aircraft spars, ribs, and girders of the type also be read a t a distance when necessary to check comprising three or more tubular booms stayed th e accuracy of the repeater instruments. Each apar t by diagonal members extending in a con­ * These abstracts of complete specifications of Patents recently maste r instrument may work more than one tinuou s zigzag formation from end to end of the published are specially compiled, by permission of H.M. Stationery repeate r instrument. Each instrument may be structur e and secured to the booms by gusset Office, from abridgments which arc issued by the Office classified constructed with a dial having insulated contacts • into groups. Sets of group abridgments can be obtained from plates have the diagonal staying members between (he Patent Office, 25 Southampton Buildings, London, W.C.2, co-operating with a brush on the pointer or' a adjacen t booms so arranged that the apex of the either sheet by sheet as issued, on payment of a subscription of separat e arm to energise lamp circuits on the V formed by the diagonal members reaching any 5s. per group volume, or in bound volumes at 2s. each. Copies of repeater . Alternatively a rheostat on the master the full specifications can be obtained from the same address, given boom from one of its neighbours will lie price 1s. each. instrumen t may control galvanometers on the re­ approximatel y midway on tha t boom between the Except where otherwise stated, the specification is unaccom- peaters . point s at which it is intersected by the legs of panied 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 5 (7): 1 – Jul 1, 1933

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029701
Publisher site
See Article on Publisher Site

Abstract

AIRCRAF T ENGINEERING July, 1933 A Selection of the More Important Aircraft and Engin e Specifications Published Recently 385,505 . Sparking-plugs. Imperial Airways th e V formed by the diagonal members reaching Ltd. , 13, Charles Street, Humphery, G. E. Woods-, i t from its other neighbour. The invention is 5, Shelley Court, Tite Street, Chelsea, and Hall, described with reference to a wing spar of the H . L., 26, Abbotswood Road, Streatham, all in general type described in Specification 334,405 London. April 19, 1932, No. 11246. [Class 4, Aeronautics], comprising a number of Th e insulation extends to the bay s of pyramidal form. In each bay, booms back of the cylindro-conical head 30 to 33 arc secured to one another by diagonal of the central electrode. Longi­ bracin g members 11 attached by gusset plates 10. tudina l ridges 7 on the head are I n the middle of each boom section, pairs of gusset situate d opposite or extend be­ plate s 10 secure two diagonals 11. At the end of tween narrow fingers 8 depend­ each section single U-shaped gussets 40 secure one ing from the threaded end of the diagonal only. The base of th e U-plate abut s against casing. Through the intervening th e end of the boom section and is cut away to port s the insulator is directly allow for th e presence of means for securing adjacent exposed to the combustion gases. length s of the spar which may comprise externally A cylindrical annular space ex­ threade d ferrules engaging threaded strengthening tend s between the casing and sleeves of the type described in Specification insulation back to the seating of 334,405, or near th e wing root where thicker booms th e flanges. ma y be employed the boom sections may be externall y threaded and connected by internally 385,681 . Cooling cylinders. Armstrong Siddeley Motors, Ltd., and Green, F . M., Armstrong ceases, spring 8 returns the plunger to its normal Siddeley Works, Park Side, Coventry. Sept. 30, position against the end of the pipe line nipple 10, 1931, No. 27209. th e fuel passing around the peripher y of th e plunger. I n an air-cooled engine, cowling for diverting th e cooling current is formed of two plates for each 386,127 . Cooling cylinders. Siemens & cylinder, the one, 5, surrounding the exhaust valve Halske Akt.-Ges., Siemensstadt, Berlin. Jan. 21, being larger than the other, 4, surrounding the 1932, No. 1907. Convention date, Jan. 27, 1931. inlet valve. For a star engine with two banks of A streamlined fairing 4 is rigidly attached to, or cylinders 15, 17, Fig. 4, only the rear bank has integral with, a cylinder 1 an d either has openings cowling as above described, the plate 4 adjacent 5, 6 (Fig. 2) for the passage of cooling air, or is each inlet valve carrying a plate 16 for the exhaust closed (Fig. 5) and the spaces 8, 9 ar c filled with a valve in a cylinder of the front bank. The plates good-conducting substance, e.g., ethylene glycol, ar e turned in a t the bottom as a t 9 and also carry glycerine, oil, or metal salts which become liquid spacers 8 to hold the plates away from the cooling a t high temperatures; internal baffles 7 and ribs ; the turned-in parts and the spacers take externa l fins 11 may be provided. As shown in over wires which grip the cylinder. In one form Fig . 2, a part 3 of the fairing is integral with th e ends of the wires are joined by a link and an cooling fins 2 of the cylinder. adjustin g screw 12; in another arrangement the wires a t one end hook over projections 13 and are connected together by a spring 14. threade d collars, in whic h case th e U-shaped gussets ar c replaced by gussets similar to those shown at 10 and secured to either side of the collar. The diagonals 11 may be of the type described in Specification 376,364 and the spa r may be assembled in the manner described therein. Cross ribs 38, Figs. 1 and 2, arc connected to plates 39 clamped between adjacent boom sections, to which plates 386,355 . Airscrews; aircraft. Stipa, L., ar e also attached rib members 43. Ribs 38 com­ 6, Via Ravenna, Rome. Aug. 31, 1931, No . 24437. prise angle-section members 42 interconnected by Convention date, Sept. 1, 1930. cross bracings, and rib members 43 comprise thin tube s united by diagonal members 44 and gusset An airscrew, 4, is placed plates 45. Torsion stays 46 an d stay wires 47 may a t the entrance to a also be attached to plates 32. The gusset plates tubula r member 1 having 40 may be of progressively lighter construction a n inner venturi passage; toward s the tip of the spar. 385,733 . Fuel-injection valves. Armstrong th e engine, 9, is either Siddeley Motors, Ltd., and Taylor, H . B., Armstrong mounte d directly ad­ Siddeley Works, Park Side, Coventry. Dec. 16, jacen t to the propeller boss or in a streamline 387 , 390 . Aircraft instrumen t arrangement. 1931, No. 34835. casing in the tube. One or more such tubes Humphery , G. E. Woods-, 5, Shelley Court, Tite To prevent the obstruction of a fuel-injection Street, Chelsea, Hall, H. L., 26, Abbotswood Road, ma y be used and substituted for th e usual fuselage nozzle a spring pressed plunger 9 which slides in Streatham , and Imperial Airways, Ltd., 13, Charles on an aeroplane, the wings and control surfaces th e bore of a fuel duct 6 wit h a peripheral clearance Street, St. James's Square, all in London. Aug. 6, being attached directly to the tube or tubes. smaller than the diameter of any of the injection 1931, No. 22275. Drawings to Specification. Reference has been directed by the Comptroller orifices, arrests foreign matter which may escape Instrument s . for indicating temperature and to Specification 141,445 [Class 4, Aeronautics]. th e normal filter. If, at high engine speeds, the pressure of oil and engine speed, etc., are placed fuel from the pump cannot pass the plunger 9, as close to the engines as possible and their readings 386,657 . Aircraft framework. Vickers th e plunger yields and forces into the cylinder ar e transmitted to repealer instruments at points (Aviation) Ltd., and Wallis, B. N., Byfleet Road, some of the fuel detained in the space adjacent most convenient to the crew. The master in­ Weybridge , Surrey. July 17, 1931, No. 20510. the spraying orifice. When the delivery stroke strument s are so placed that their indications can Aircraft spars, ribs, and girders of the type also be read a t a distance when necessary to check comprising three or more tubular booms stayed th e accuracy of the repeater instruments. Each apar t by diagonal members extending in a con­ * These abstracts of complete specifications of Patents recently maste r instrument may work more than one tinuou s zigzag formation from end to end of the published are specially compiled, by permission of H.M. Stationery repeate r instrument. Each instrument may be structur e and secured to the booms by gusset Office, from abridgments which arc issued by the Office classified constructed with a dial having insulated contacts • into groups. Sets of group abridgments can be obtained from plates have the diagonal staying members between (he Patent Office, 25 Southampton Buildings, London, W.C.2, co-operating with a brush on the pointer or' a adjacen t booms so arranged that the apex of the either sheet by sheet as issued, on payment of a subscription of separat e arm to energise lamp circuits on the V formed by the diagonal members reaching any 5s. per group volume, or in bound volumes at 2s. each. Copies of repeater . Alternatively a rheostat on the master the full specifications can be obtained from the same address, given boom from one of its neighbours will lie price 1s. each. instrumen t may control galvanometers on the re­ approximatel y midway on tha t boom between the Except where otherwise stated, the specification is unaccom- peaters . point s at which it is intersected by the legs of panied by drawings if none is reproduced.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Jul 1, 1933

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