AIRCRAF T ENGINEERING April, 1939 Some Recent Patents of Aeronautical Interest Granted in the U.S.A. 2,129,826 . Fire Protecting Device for Air- Mallory & Co., Inc., Indianapolis, Ind., a corpora coole d Engines. Jean Georges Dintilhac, Paris, tion of Delaware. No Drawing. Original applica France . Application September 29, 193G. Serial tion October 9, 1937. Serial No. 168,199. Divided No . 103,198. In Belgium October 8, 1935. 3 claims. an d this application June 9, 1938. Serial No. [Class 169-2.] 212,685. 5 Claims. [Class 75-161.] 1. In combination, an internal combustion 1. An alloy containing about 0·05 to 3 per cent engine having a plurality cf cylinders, a hood beryllium, 0·05 to 4 per cent silver, 0·5 to 10 per surrounding at least a part of said cylinders, pro cen t manganese and the balance copper. vided with apertures located opposite at least a portio n of said cylinders, ior the inflow of cooling 2,131,348 . Rotating Wing Aircraft. Raoul ai r from the atmosphere on to said cylinders, Hafner, Vienna, Austria. Application July 27, mean s for closing said apertures, a carburettor 1935. Serial No. 33,462. In Great Britain for said engine arranged within the hood, means November 9, 1934. 4 Claims. [Class 244-60.] a t the rear of said hood to permit the escape of air therefrom and to create a low pressure so a s to draw air from within said hood when said Application November 13, 1934. Serial No . 752,863. aperture s are closed, and lire extinguishing means 2 claims. [Class 73-187] within said hood. 1. In a power meter for an internal combustion engine, the combination of fluid pressure means responsive to variations in the pressure of the fluid taken into the engine for combustion, rotary mechanism driven by, and directly responsive to variation s in the speed of, the engine, means for combining th e functions of said pressure-responsive mean s and said mechanism, means responsive to temperatur e changes for varying the effect of the operation of the pressure-responsive means, and means , controlled by the combining means, for indicating the output of the engine. 2,130,914 . Shock Strut. Kenneth W. Warren, Sout h Bend, Ind., assignor to Bendix Aviation Corporation, South Bend, Ind., a corporation of Delaware. Application September 14, 1931, Serial 2,130,504 . Aircraft Structure. Joseph L. 1. In a rotative wing aircraft means for trans McClane, Hempstead, N.Y., assignor to Seversky mittin g power from the engine t o th e rotor including Aircraft Corporation, a corporation of Delaware. a coupling device having a driving member, a Application August 3, 1937. Serial No. 157,200. drive n member, and centrifugal clutch means 3 claims. [Class 244-1.] arranged on the driven member to increase the 1. In an aircraft, a bracket unitary with the degree of engagement between the driven member interior periphery of the fuselage, a hollow boss an d the driving member in dependence upon the detachabl y attached thereto and extending sub increase in the angular velocity of the driven stantiall y horizontally into the cockpit, a bolt member, whereby a t any given speed of the driven seated in said hollow by its head and having its membe r the coupling slips when the torque to be threade d end protruding beyond the uppermost transmitte d exceeds a maximum predetermined end of said boss, a hollow, flanged electrically value relative to said speed. non-conductiv e drum having an open face and a closed face, the closed face having an aperture 2,131,821 . Sheet Metal Seaming Tool. for .receiving the threaded end of the bolt there Carl It. Schlicht, near La Crosse, Wis. Application through , a nut on said threads engaging said December 9, 1936. Serial No. 114,984. 8 Claims. closed face and urging the drum against said boss, [Class 113-56.] a Hat spring coiled lengthwise in said hollow 1. A seaming tool comprising a pair of levers and dru m and attached by one end to said boss, a a pair of ja w members, means connecting the levers for relative pivotal movement, means for mounting No . 562,624. Renewed January 12, 1937. 3 claims. one of said jaw members fixedly with one of said (CI. 244—103.) levers and the said connecting means, means 1. A landing gear comprising a rigid member, between the second jaw member and the first said a clevis on one end of the member, a head on the connecting means to mount this jaw member for othe r end of the member, bifurcated members slidable movement toward and away from said one pivotally connected to the head, axles supported ja w member, and means operatively connected to th e slidable jaw member and being connected with by the bifurcated members, wheels positioned for th e said one lever to have movement longitudinally rotatio n on the axles between the arms of the thereof, whereby the force applied through the bifurcated members, compression elements con levers to th e ja w members is automaticall y increased necting the corresponding arms of the bifurcated durin g the seaming operation. members , and means for limiting movement of bushing extending transversely through said th e compression elements in one direction. dru m near the periphery thereof, the other end of said spring being bent thcrearound, and a 2,131,076 . Aluminium Alloy and Process length of electrically-conductive material wound fo r Making the same , Piston and Piston Ring around said drum and having one end attached forme d from said Alloy. Harvey G. Schwarz, a t a point on the inner periphery of said drum. Seattle , Wash., assignor to Bernard B. Pelly. Application July 24, 1937. Serial No. 155,360. 2,130,591 . Power Meter. Mitchell W. 15 Claims. [Class75-138.] Drawing to Specification. Manchester, Williamsport, Pa., assignor, by mesne 6. An aluminium alloy comprising substantially assignments, to Aviation Manufacturing Corpora silicon 20 to 50 per cent, nickel 1 to 5 per cent, tion , Chicago, III., a corporation of Delaware. copper 0·5 to 2·5 per cent, magnesium 1 t o 3 per cent , vanadium in an effective amount up to 1 per * The above abstracts of patents granted in the United States cen t and the balance substantially all aluminium. are taken, by permission of the Department of Commerce, from the Official Gazette of the United States Patent Office, Printed copies of the full specifications can be obtained, price 10 cents each, from the 2,131,104 . Copper - Silver - Beryllium - Commissioner of Patents, Washington, D.C., U.S.A. Manganes e Alloy. Franz R. Hensel and Earl I. Except where otherwise stated, the specification is unaccompanied Larsen , Indianapolis, Ind., assignors to P. R. by drawings if none is reproduced.
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Apr 1, 1939