348 AIRCRAFT ENGINEERING December, 1936 Some Recent Patents of Aeronautical Interest Granted in the U.S.A. 2,049,109 . Aircraft Under associated with said cylinder and having an intake carriag e . George Herbert por t adapted to co-operate with said cylinder intake Dowty , Cheltenham, England. port , and means for conducting fuel mixture to said Application November 20, 1935. cylinder intake port, including a passage formed in th e cylinder block, said passage having a portion Serial No. 50,784. In Great of diminishing cross-sectional area in the direction Britai n July 2, 1934. 7 Claims. of fuel mixture flow there-through, said passage [C1. 244-2.] havin g a second portion of increasing cross-sectional 7. A strut comprising com are a in the direction of fuel mixture flow there panio n sections, amounting be throug h and beyond said portion of diminishing tween adjoining ends of the cross-sectional area, said passage having a zone of sections piyoted intermediate its minimu m cross-sectional area intermediate said first lengt h to ends of the sections, an d second portions, the area of said zone being an d a hydraulic jack including substantiall y equal to the maximum opening pro a cylinder extending longitud vided by said sleeve and cylinder intake ports. inally of each section, a piston slidable longitudinally in each cylinder and having a rod ex 2,048,278 . Air-Circulation Valve in the tendin g from one end of the Supportin g Surfaces of Aeroplanes. Franco cylinder, one end of the hydraulic Mazzini, Milan, Italy . Original application Jun e 29, jac k being pivotally connected to 1934. Serial No. 733,133. Divided and this appli th e section and the other end catio n November 29, 1935. Serial No. 52,246. In being pivotally connected to the Ital y July 5, 1933. 4 Claims. [C1. 244-12.] mountin g in offset relation to 1. An aeroplane wing having a laterally elongated opposite sides of the plane of the pivotal connection passage leading from the lower to the upper surface of the sections with the mounting. thereof, said passage having front and back walls which are smooth and free from sudden changes of 2,049,188 . Aeroplane. Heraclio Alfaro, Cam direction, a plate hinged at one of its extremities bridge, Mass. Application September 15, 1933. t o the end of one of said walls and having a profile 2,047,026 . Air - Cooled Engine. Fritz Serial No. 689,603. 3 Claims. [C1. 244-29.] similar to tha t of th e wall to which it is hinged, and Gosslau, Berlin-Charlottenburg, Germany, assignor 3 . In aircraft, a main airfoil, two floating control means operable for moving said plate t o Siemens & Halske, Aktiengesellschaft, Siemens auxiliar y airfoils mounted thereon, operating alternativel y into a position flush with said last- stadt , near Berlin, Germany, a corporation of mechanism inter-connecting said auxiliary airfoils mentioned wall, and across said passage so tha t the Germany . Application September 26, 1933. Serial t o swing in floating relation, means to actuate the free edge of the plate contacts with the opposite No. 690,975. In Germany September 27, 1932. operating mechanism to impart movement to the wall. 10 Claims. [C1. 123-171.] auxiliary airfoils in opposite directions, sto p means 1. An air-cooled internal combustion engine com for limiting the upward and downward movement prising a plurality of cylinders arranged in series, of each auxiliary airfoil so that , in normal floating, a cooling air jacket enclosing each cylinder and th e up-moving airfoil will reach its limit of move havin g inlet and outlet openings for permitting men t before the down-moving airfoil reaches its cooling air to be forced around its respective limit of movement. cylinder, the inlet opening of each of said jackets being in the form of a slot which decreases in width from the valve end of th e cylinder toward the crank en d thereof, an air receiver common to the series of 2,049,006 . Aeroplane Havin g Variable Lift cylinders and their jackets, bounded at least partly in g Surfaces . Jacques Gerin, Boulogne-sur-Seine, by those portions of the jackets in which their inlet France . Application April 4, 1935. Serial No. openings are located, so as to maintain direct com 14,681. In France April 7, 1934. 6 Claims. municatio n for cooling air from said receiver to the [C1. 244-12.] respective jackets, an d a blower for delivering cool 1. In an aeroplane, fixed planes, winding drums, ing air into said receiver. flexible planes wound on said winding drums, a reversible motor, a cable connected with the free 2,051,021 . Retractable Landing Gear. 2,047,998 . Internal Combustio n Engine and end of each flexible plane, a winding drum for said cables, means connecting the drums of the flexible Giuseppe M. Bellanca, New Castle, Del. Applica Metho d of Operating Same . Ralph N . Du Bois, planes , gearings connecting said motor with the tion November 2, 1933. Serial No. 696,432. Grosse Pointe Farms, Mich., assignor to Continental first and second mentioned drums for actuating said 1 Claim. [C1. 244-2.] Motors Corporation, Detroit, Mich., a corporation of drum s and extending and retracting the flexible Virginia. Application June 29, 1932. Serial planes , said gearings including free-running No . 619,992. 20 Claims. [C1. 123-81.] elements, said motor being adapted, during opera 1. In an engine of the sleeve-valve type, a tion, to selectively actuate said drums and extend cylinder block having a cylinder formed therein and or retract said flexible planes in dependence on the provided with an intake port, sleeve-valve means direction of movement of said motor, and means for interrupting operation of said motor when said flexible planes reach the end of their extension and retractio n movements. I n an amphibian plane having a fuselage, a float spaced below the fuselage, retractable landing wheels pivotally mounted within th e contour of the float; a plurality of strut s inter-connecting th e fuse lage and the float, a streamlined casing completely enclosing th e struts and being of approximately one- half the width of the float and of a height a t least equa l to the diameter of the landing wheel, the casing being formed with recesses for the reception of the landing wheel within its contour when the latte r is in retracted position, the skin of the float • The above abstracts of patents granted in the United States being formed with recesses for the reception of the are taken, by permission of the Department of Commerce, from the landin g wheel struts when the landing wheel is in Official Gazette of the United States Patent Office. Printed copies of retracte d position, and means to pivot the landing the full specifications can be obtained, price 10 cents each, from the Commissioner of Patcuts, Washington, D.C., U.S.A. wheel to move it from the extended operative posi Except where otherwise stated, the specification is unaccompanied tio n to the retracted position. by drawings if none is reproduced.
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Dec 1, 1936