×

Counterbalanced cowling assembly for a pylon-mounted engine and nacelle therefor

  • US 4,585,189 A
  • Filed: 10/22/1984
  • Issued: 04/29/1986
  • Est. Priority Date: 10/22/1984
  • Status: Expired due to Term
First Claim
Patent Images

1. A counterbalanced bifurcated cowling assembly for a pylon-mounted engine and nacelle therefor, the pylon extending horizontally from the fuselage of an aircraft comprising:

  • a first cowling section pivotally mounted to the pylon and rotatable from a closed position extending partially about the top of the engine to an open position above the engine;

    a second cowling section pivotally mounted to the pylon and rotatable from a closed position extending partially about the underside of the engine to an open position extending downward from the engine;

    an actuator at least partially mounted within the pylon, said actuator having an output drive shaft;

    at least one first link having first and second ends, said first end of said at least one first link pivotally attached to said output drive shaft and said second end of said at least one first link pivotally attached to said first cowling section; and

    at least one second link having first and second ends, said first end of said second link pivotally attached to said output shaft and said second end of said at least one second link pivotally attached to said second cowling section;

    such that upon the extension of the output drive shaft, the first and second cowling sections are rotated upward and downward, respectively, with their respective weights counteracting each other during movement from the closed position to the open position.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×