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266 AIRCRAFT ENGINEERING September, 1936 Some Recent Patents of Aeronautical Interest Granted in the U.S.A. 2,039,179 . Air-circulation Valve in a Wing. aeroplane turns toward the right or toward the left; Franco Mazzini, Milan, Italy. Application June said means causing the aeroplane to tilt t o a degree 29, 1934, Serial No. 733,133. In Italy July 5, in accordance with the degree of said turning move 1933 6 Claims. [Class 244-12.] ment , a dial movable up and down with relation to th e longitudinal axis of the plane and located 1. An aeroplane wing having a laterally elongated behind the figure, the dial having thereon a horizon opening leading from the lower t o the upper surface line with indications of sky and ground disposed thereof, a tube with its inner walls smooth and free abov e and below the horizon line, and means from abrupt changes in direction, said tube being operate d by changes in atmospheric pressure pivotally mounted about a laterally extending axis causing the dial to move upward as the actual adjacent to one of said surfaces, disposed in said aeroplane moves downward and move downward opening, and occupying substantially the full depth a s the actual aeroplane moves upward, the extent thereof, said opening having a lateral recess adapted of said movement corresponding to the rate of t o accommodate the end of said tube remote from said propeller acting as ailerons for controlling said vertical movement of the actual aeroplane in either said axis, and control means operable for rocking aircraft means to change the position of said last- direction. said tube so as to bring said last-mentioned end mentioned means; a rotor element located rear- alternativel y into said recess and into register with wardl y of said controlling means; and means to th e end of said opening in th e adjacent wing surface. rotat e said element. 2,040,496 . Control Mechanism for Auxi liar y Flaps. Robert R. Osborn, Kenmore, N.Y., assignor to Curtiss Aeroplane & Motor Company, Inc. , a corporation of New York. Application Jun e 29, 1934. Serial No. 733,008. 12 Claims. [Class 244-29.]. 2,039,211 . Airscrew Manufacture. Frank 1. I n a n aircraft wing having a recess in the lower W. Caldwell, West Hartford, Conn., assignor, by rearwar d part thereof, a rod guided for rearward mesne assingments, t o United Aircraft Corporation, a corporation of Delaware. Application June 23, 1933, Serial No. 677,201. 17 Claims. [Class 29-156.8.] 15. In the manufacture of an airscrew blade, the ste p which comprises balancing the blade through 360 deg. about a vertical axis extending longitu an d downward movement relative t o said wing and dinally of the blade. passing through the surface of said recess, an auxiliar y airfoil pivotally connected to said rod for varyin g angles of incidence relative to the wing chord, and unitary means progressively operable 2,042,550 . Supercharger for Internal Com t o move said airfoil from said recess to a rearward bustio n Engines . Samuel R. Puffer, Saugus, Mass., position and then to tilt said airfoil to an increased assignor to General Electric Company, a corpora angle of incidence relative to said wing after said tion of New York. Application July 19, 1935. airfoil has reached its extreme rearward position. Serial No. 32,207. 6 Claims. [Cl. 230-127.] 2,040,874 . Acoustic Tensionmeter . Mendel N . Pack, Dayton, Ohio. Application Mar. 27, 1934. Serial No. 717,602. 23 Claims. [Class 175-183.] (Granted under the Act of Mar. 3, 1883, as amende d Apr. 30, 1928 ; 370 O. G. 757.) 1. I n a measuring instrument , means for producing a constant magnetic field, a vibrating element of fixed tension associated with said magnetic field to produce an alternating E.M.F., a detector circuit for translating said alternating E.M.F. into a musical note, a n oscillatory circuit associated with said detector circuit for emitting a second musical 2,039,458 . Aluminium Alloys. Josef note, and means for tuning one of said circuits to Schulte, Bonn-on-thc-Rhine, Germany, assignor to bring the frequencies of the notes of both circuits Vereinigte Leichtmetallwerke Gesellschaft mit int o resonance with respect to one another. beschränkte r Haftung, Bonn-on-the-Rhine, Ger many , a corporation of Germany. No Drawing. Application Mar. 1, 1935. Serial No. 8,808. In German y Mar. 2, 1934. 2 Claims. [Class 75-142.] 1. An aluminium alloy, which is age-hardenable by annealing, quenching and aging at room temperature , consisting of 3 t o 5 per cent of copper, 1·3 to 1·4 per cent of magnesium, 0·4 to 0·7 per cen t of silicon and 1·25 t o 1·45 per cent of manga nese, the remainder being aluminium. 1. A centrifugal type supercharger for com bustio n engines comprising a casing defining an impeller chamber with an inlet conduit and a 2,039,676 , Method of Control. Edward F. collector passage surrounding the impeller chamber Zaparka , New York, N.Y., assignor to Zap Develop an d having outlet openings for discharging a men t Corporation, Wilmington, Del., a corporation compressed medium to a plurality of engine cylin of Delaware. Application Sept. 12, 1930. Serial ders, an impeller rotatably disposed within the No . 481,528. 2 Claims. [Class 244-14.] impeller chamber for forcing air radially outward, 1. In an aircraft the combination of a propeller an d a diffuser concentrically surrounding the carried by said aircraft, means to actuate said 2,041,151 . Flight Meter. Elmer J. Rogers. impeller and secured to the casing for converting propeller ; means located in the slip stream of Randolp h Field, Tex. Application Dec. 15, 1931, velocity energy of a medium impelled by the Serial No. 581,213. 9 Claims. [Class 33-204.] impeller int o pressure energy, said diffuser including a plurality of vanes and a side wall secured thereto, * The above abstracts of patents granted in the United States 9. A flight meter for aeroplanes having a sight are taken, by permission of the Department of Commerce, from the said side wall having openings intermediate the opening defining a field of view, an aeroplane figure Official Gazette of the United Slates Patent Office. Printed copies of oute r end portions of the vanes to effect discharge the full specifications can be obtained, price 10 cents each, from the mounte d within the sight opening for tilting Commissioner of Patents, Washington, D.C., U.S.A. of a medium from the diffuser in lateral direction movement , means for causing a tilting of the aero Except where otherwise stated, the specification is unaccompanied a s well as circumferentially outward. by drawings if none is reproduced. plan e figure in one direction or the other as the
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Sep 1, 1936
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