Patents Examined by Ivy Shum
  • Patent number: 4427168
    Abstract: An actuating mechanism for variable camber leading edges of aerodynamic airfoils characterized by its rigidity and structural stability and which permits varying the camber of a flexible continuous airfoil skin through leading edge deflection angles ranging from on the order of 14.degree. to on the order of 22.degree. with reference to the wing box chord line without deployment of a Krueger flap and up to on the order of 32.degree.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: January 24, 1984
    Assignee: The Boeing Company
    Inventors: Maurice E. McKinney, Peter K. C. Rudolph
  • Patent number: 4422605
    Abstract: The invention relates to a thrust reverser for the jet engine of an aircraft. According to the invention, the unlocking of the doors with a view to passage from their folded position to their extended position, is effective only after they have been previously brought into a super-retracted position with respect to the folded position and said reverser comprises stops which allow the doors to pass from the folded position to the super-retracted position only when the rpm of said engine is lower than a threshold close to idling rpm. The invention is particularly applicable to ensuring operational safety of thrust reversers.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: December 27, 1983
    Assignee: Societe ASTECH
    Inventor: Etienne Fage
  • Patent number: 4396171
    Abstract: The acceleration applied to an ejection seat during the catapult phase of emergency escape from an aircraft is limited to a maximum value which can be tolerated by the ejectee by incrementally venting exhaust gas from the high pressure chamber of the ejection catapult. Such venting may be accomplished mechanically by a mass which acts in response to acceleration to open venting orifices, the mass being preloaded to prevent its movement until a desired acceleration is experienced. Alternatively, venting may be accomplished electromechanically.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: August 2, 1983
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Edwin R. Schultz