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Month in the Patent Office

Month in the Patent Office 292 AIRCRAFT ENGINEERIN G October, 1929 A Selection from Important Recently Published Aircraf t and Aero Engine Specifications 12 with side branches, as shown in Fig. 2, No . 313,497. Aircraft. Siemens & Halske Planes and wings, construction of.—Aeroplane so tha t by a slight rotation of the lever 16 in one Akt.-Ges., Siemensstadt, Berlin. June 11, wings with coverings formed of a number of 1929, No. 17899. Convention date, June 12, direction the valve will cut off connection to independent panels have th e panels formed from 1928. Not yet accepted. Abridged as open one of the brake chambers while maintaining sheet-metal plates a provided with stiffening t o inspection under Sect. 91 of the Acts. th e other connection. A similar movement in members b on the inner side running in the [Class 4.] th e other direction reverses the process. In the mean position, circuit is established to both Planes, construction of; propelling.—Aircraft chambers. The valves 23, 22 are spring- engines with air-cooled cylinders in line are pressed and are released from their seats by arranged with their lines of cylinders per­ means of a n oscillatory movement of th e control pendicular to the line of flight and enclosed lever and the consequent engagement of a within the supporting planes, which have projection 17 in the control lever with one or openings for other of corresponding plungers, 9, 18. th e passage of cooling air. The cylinders 316,150. Aircraft. Heinkel, E., 15, See- ma y be verti­ strasse, Warnemunde, Germany. July 23, 1929, cal, horizontal, or, where there are inclined No. 22668. Convention date, July 23, 1928. rows, as shown in Fig. 3, the crankshafts No t ye t accepted. Abridged as open to inspec­ being transverse to the machine and geared tion under Sect. 91 of the Acts. [Class 4.] t o forward or rear propeller-shafts or to both. Launching Ways.—In an aircraft launching There may be a series of engines geared to trac k of the type in which a starting carriage 2 pairs of forward and rear propellers arranged is propelled along a track 1 b y a cable 3 running along the edges of the plane. Passengers may over pulleys 4, 5, the pulley 4 is so disposed be accommodated to the front or rear of the tha t the pull of the cable 3 exerts a retarding engines, in the latter case the space being kept warm by the air circulating round it. No . 314,131. Aircraft. Camm, S., Firle, Sugden Road, Long Ditton , Surrey, and Hawker Engineering Co., Ltd., H. G., Canbury Park direction of the span and ribs, corrugations, Road, Kingston-on-Thames. grooves, or pinched folds a' running trans­ March 27, 1928, No. 9236. versely to the span on the outer side. The [Class 4.] panels have angle irons c a t the edges which are secured to the ribs of the plane as shown in Framework. — A spar or Figs. 3, 4, or 5. stru t for aircraft and other skeleton structures has a number of tubular booms each No . 314,828. Braking-devices for Air­ formed of one piece of sheet craft. Winter, H. J., and Westinghouse metal having a scries of sharp Brake & Saxby Signal Co., Ltd., 82, York longitudinal bends or corruga­ Road, King's Cross, London. March 30, 1928, tions spaced by flats or strips No . 9658. [Classes 4, 79 (ii), 103 (i), and 135.] effort on the carriage 2 when it approaches the of large radius. Fig. 1 shows I n a control device for fluid pressure or end of the track 1. Backward oscillation of the a spar having two tubular vacuum brakes applied to aircraft, port and startin g carriage at the end of its travel is booms a formed of longi­ starboard brakes ma y be applied simultaneously prevented by a braking-device, which in one tudinally bent strip with or independently by a single controlling lever. form consists in the provision of friction lipped edges e secured by As shown, a lever 16 is articulated to a rotary blocks 6, Fig. 2, on the carriage 2 which are riveting, welding, or brazing adapte d to engage friction rails 7 provided at valve 4, which is capable of putting one or both t o a web having trough- th e end of the track. In other forms parallel brake chambers 10 and 11 into circuit with a shaped corrugations d. There chamber 2. The lever is also capable of opera­ brake shoes mounted on the track are forced may be a small outward corrugation at each ting one or other of two valves 23, 22 so as inwardly by means of springs, or by a fluid bend in the booms a. Specifications 282,201 respectively to put the chamber 2 into circuit pressure device, against parallel longitudinally and 284,048 are referred to. with the pressure cylinder 28 or to vent it to disposed ledges formed on the underside of the th e atmosphere. The valve 4 has a conduit carriage 2. Accidental backward movement No . 314,376. Aircraft. Vickers (Avia­ of th e carriage is prevented by a positive locking tion), Ltd., Vickers House, Broadway, West­ device consisting of pawls 9 mounted on the minster.—(Assignees of Avions M. Wibault; carriage 2 an d adapted to engage in rock bars 8 94, Avenue des Moulineaux Billancourt, Paris.) mounted on the track 1. Jun e 4, 1929, No. 17178. Convention date, Jun e 26, 1928. Not yet accepted. Abridged as open to inspection under Section 91 of the Acts. [Class 4.] * The following abstracts of complete speci­ fications of Patents recently published are specially compiled by permission of H.M. Stationer y Office, from abridgments appearing in the Patent Journal. Printed copies of the full specifications can be obtained from the Paten t Office, 25, Southampton Buildings, London, W.C.2, price one shilling each. Excep t where otherwise stated, if no illustra­ tion is reproduced the specification is unaccom­ panied by drawings. 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 1 (8): 1 – Aug 1, 1929

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb029197
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Abstract

292 AIRCRAFT ENGINEERIN G October, 1929 A Selection from Important Recently Published Aircraf t and Aero Engine Specifications 12 with side branches, as shown in Fig. 2, No . 313,497. Aircraft. Siemens & Halske Planes and wings, construction of.—Aeroplane so tha t by a slight rotation of the lever 16 in one Akt.-Ges., Siemensstadt, Berlin. June 11, wings with coverings formed of a number of 1929, No. 17899. Convention date, June 12, direction the valve will cut off connection to independent panels have th e panels formed from 1928. Not yet accepted. Abridged as open one of the brake chambers while maintaining sheet-metal plates a provided with stiffening t o inspection under Sect. 91 of the Acts. th e other connection. A similar movement in members b on the inner side running in the [Class 4.] th e other direction reverses the process. In the mean position, circuit is established to both Planes, construction of; propelling.—Aircraft chambers. The valves 23, 22 are spring- engines with air-cooled cylinders in line are pressed and are released from their seats by arranged with their lines of cylinders per­ means of a n oscillatory movement of th e control pendicular to the line of flight and enclosed lever and the consequent engagement of a within the supporting planes, which have projection 17 in the control lever with one or openings for other of corresponding plungers, 9, 18. th e passage of cooling air. The cylinders 316,150. Aircraft. Heinkel, E., 15, See- ma y be verti­ strasse, Warnemunde, Germany. July 23, 1929, cal, horizontal, or, where there are inclined No. 22668. Convention date, July 23, 1928. rows, as shown in Fig. 3, the crankshafts No t ye t accepted. Abridged as open to inspec­ being transverse to the machine and geared tion under Sect. 91 of the Acts. [Class 4.] t o forward or rear propeller-shafts or to both. Launching Ways.—In an aircraft launching There may be a series of engines geared to trac k of the type in which a starting carriage 2 pairs of forward and rear propellers arranged is propelled along a track 1 b y a cable 3 running along the edges of the plane. Passengers may over pulleys 4, 5, the pulley 4 is so disposed be accommodated to the front or rear of the tha t the pull of the cable 3 exerts a retarding engines, in the latter case the space being kept warm by the air circulating round it. No . 314,131. Aircraft. Camm, S., Firle, Sugden Road, Long Ditton , Surrey, and Hawker Engineering Co., Ltd., H. G., Canbury Park direction of the span and ribs, corrugations, Road, Kingston-on-Thames. grooves, or pinched folds a' running trans­ March 27, 1928, No. 9236. versely to the span on the outer side. The [Class 4.] panels have angle irons c a t the edges which are secured to the ribs of the plane as shown in Framework. — A spar or Figs. 3, 4, or 5. stru t for aircraft and other skeleton structures has a number of tubular booms each No . 314,828. Braking-devices for Air­ formed of one piece of sheet craft. Winter, H. J., and Westinghouse metal having a scries of sharp Brake & Saxby Signal Co., Ltd., 82, York longitudinal bends or corruga­ Road, King's Cross, London. March 30, 1928, tions spaced by flats or strips No . 9658. [Classes 4, 79 (ii), 103 (i), and 135.] effort on the carriage 2 when it approaches the of large radius. Fig. 1 shows I n a control device for fluid pressure or end of the track 1. Backward oscillation of the a spar having two tubular vacuum brakes applied to aircraft, port and startin g carriage at the end of its travel is booms a formed of longi­ starboard brakes ma y be applied simultaneously prevented by a braking-device, which in one tudinally bent strip with or independently by a single controlling lever. form consists in the provision of friction lipped edges e secured by As shown, a lever 16 is articulated to a rotary blocks 6, Fig. 2, on the carriage 2 which are riveting, welding, or brazing adapte d to engage friction rails 7 provided at valve 4, which is capable of putting one or both t o a web having trough- th e end of the track. In other forms parallel brake chambers 10 and 11 into circuit with a shaped corrugations d. There chamber 2. The lever is also capable of opera­ brake shoes mounted on the track are forced may be a small outward corrugation at each ting one or other of two valves 23, 22 so as inwardly by means of springs, or by a fluid bend in the booms a. Specifications 282,201 respectively to put the chamber 2 into circuit pressure device, against parallel longitudinally and 284,048 are referred to. with the pressure cylinder 28 or to vent it to disposed ledges formed on the underside of the th e atmosphere. The valve 4 has a conduit carriage 2. Accidental backward movement No . 314,376. Aircraft. Vickers (Avia­ of th e carriage is prevented by a positive locking tion), Ltd., Vickers House, Broadway, West­ device consisting of pawls 9 mounted on the minster.—(Assignees of Avions M. Wibault; carriage 2 an d adapted to engage in rock bars 8 94, Avenue des Moulineaux Billancourt, Paris.) mounted on the track 1. Jun e 4, 1929, No. 17178. Convention date, Jun e 26, 1928. Not yet accepted. Abridged as open to inspection under Section 91 of the Acts. [Class 4.] * The following abstracts of complete speci­ fications of Patents recently published are specially compiled by permission of H.M. Stationer y Office, from abridgments appearing in the Patent Journal. Printed copies of the full specifications can be obtained from the Paten t Office, 25, Southampton Buildings, London, W.C.2, price one shilling each. Excep t where otherwise stated, if no illustra­ tion is reproduced the specification is unaccom­ panied by drawings.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Aug 1, 1929

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