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128 AIRCRAFT ENGINEERING April, 1940 Some Recent Patents of Aeronautical Interest Granted in the U.S.A. apertur e and having slots extending from said 2,173,767 . Aircraft Control. Joseph P . Read, aperture , th e fixed member having portions adjacent Davenport, Iowa, assignor to Eclipse Aviation th e slots bent towards the end portions to form Corporation, East Orange, N.J., a corporation of inclined guides, said fixed member having depres New Jersey. Application March 24, 1937, Serial sions extending laterally of the central aperture No. 132,850. 4 Claims. [Class 244—75.] intermediat e the slots, a bolt secured for rotative I n an aeroplane having a shiftable stabilizing movemen t but against longitudinal movement to surface, an "elevator " hinged horizontally to the th e second of the members to be fastened together, said stabilizing surface, means for swinging said an d a cross piece secured to said bolt and extending elevator about said horizontal hinge, and means laterally thereof into position to pass through said responsive to operation of said last-named means slots and to be received in said depressions, the end t o swing said stabilizing surface about said hori of the bolt remote from the cross piece having a zontal hinge, said last-named means including an screwdriver slot positioned in line with the direction electric motor, an energizing circuit for said motor, of air flow. means for closing said circuit, and means movable with said stabilizing surface to open said energizing circuit. 2,174,312 . Airplane Strut. Ephraim XV. Cleveland, Berca, Ohio, assignor to The Cleveland mechanism upon a variation in the speed of the Pneumati c Tool Company, Cleveland, Ohio, a controlled engine with respect to the speed of the corporation of Ohio. Application master engine. October 3, 1935. Serial No. 43,377. 10 Claims. [Class 267-64.] 2,174,021 . Method of and Apparatus for I n a shock-absorber strut, two Testin g Lubricating Oils. Herman L. Thwaites, relatively movable members adap Westfield, N.J., assignor to Standard Oil Develop te d to be attached to the elements men t Company, a corporation of Delaware. Applica whose movements are to be tion May 13, 1936. Serial No. 79,483. 4 Claims. cushioned, a compartment in each [Classes 73-51.] of said members with a partition separatin g the compartments, said 2,173,896 . Blower Cooling Means for Air partitio n having a liquid metering Cooled Engines. Prank \V. Caldwell, Hartford, opening there-through, a third com Conn., assignor to United Aircraft Corporation, partmen t containing air under Eas t Hartford, Conn., a corporation of Delaware. pressure, a piston in said third Application November 20, 1935, Serial No. 50,672. compartment , and means made 10 Claims. [Class 123-171.] effective by the latter portion of In combination with an air-cooled engine having th e compression stroke only for a power shaft, means for increasing the (low of causing one of said members to cooling air to said engine, said means comprising, engage and move said piston in a centrifugal rotor mounted on said power shaft its compartment for reducing the having an air inlet adjacent to its axis of rotation volume of said third compartment and a radially directed air outlet at its periphery, and correspondingly checking the and an annular air directing device encircling said compression of the strut. rotor. 2,174,315 . Aircraft Undercarriage. George Herber t Dowty, Cheltenham, England. Applica tion March 15, 1937. Serial No. 131,036. In Great Britain March 16, 1936. 25 Claims. [Class 244-104.] I n an aircraft structure, a landing wheel or equivalen t mounting comprising a frame of a pluralit y of articulated rigid elements, a two-part Apparatu s for determining the quality of lubri catin g oil used in an internal-combustion engine comprising an inverted metal cone having an inclined circumferential groove on its inner surface adapte d to allow the oil to be tested to slowly flow on the top of said groove around the inner surface of the cone and through an outlet at the bottom of said cone and means for heating said cone as hereinabove set forth. 2,174,030 . Fastening Device for Airplane Cowl s and the Like. Walton T. Boyer, Stamford, 2,173,913 . Control System. Silas A. More Conn. Application September 1, 1938. Serial house, Glendale, Calif., assignor by mesne assign No. 227,946. 5 Claims. [Class 24-221.] ments, to United Aircraft Corporation, East Hart A fastener for aeroplane cowlings which com ford, Conn., a corporation of Delaware. Original prises a fixed member having a Central substan application July 22, 1935. Serial No. 32,575. tially flat portion and end portions spaced there Divided and this application January 18, 1937. from and in substantial parallelism therewith for Serial No. 121,091. 5 Claims. [Classes 170-135.6]. rigid connexion to one of the members to be In a mechanism for synchronizing the speed of a fastened together, arcuate segments connecting controlled engine with the speed of a master engine said central portion with said end portions, said a centrifugally actuated governor on each engine, central portion having a centrally positioned a differential mechanism disposed between said engines and having its opposite sides driven by shock absorber of which one of the two parts is said engines, and a displaceable member operatively rigid with one of the said elements and which in connected with the governor of said controlled deflecting resists angular deformation of said frame, engine and associated with said differential vertically spaced means for anchoring elements of mechanism to be displaced by said differential said frame to an undercarriage of the aircraft, mean s whereby a landing wheel or equivalent is carried by said frame so tha t vertical wheel travel * The above abstracts of patents granted in the United States are taken, by permission of the Department of Commerce, from the unde r landing loads of the aircraft accompanies Official Gazette of the United States Patent Office, Printed copies of said deformation and shock-absorber deflexion the full specifications can be obtained, price 10 cents each, from the an d is always dimensionally greater than said Commissioner of Patents, Washington, D.C., U.S.A. Except where otherwise stated, the specification is unaccompanied deflexion, and means for varying at choice the by drawings if none is reproduced. rati o between said wheel travel and the deflexion.
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Apr 1, 1940
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