Fail-safe aircraft engine mounting system

Details Fail-safe aircraft engine mounting system Fail-safe aircraft engine mounting system

2005-01-18

2005-01-18

Eldred, J. Woodrow (Department: 3644)

Aeronautics and astronautics

Aircraft power plants

Mounting

C248S554000, C060S039300

Reexamination Certificate

active

06843449

ABSTRACT:
A fail-safe lug is carried by an engine frame member and receives a clevis carried by an engine mount member. The mount member includes side links that transmit transverse loads between the engines and the airframe and a thrust link that transmits axial, engine thrust loads between the engine and the airframe. A fail-safe pin is carried by the clevis and has an outer diameter that is smaller than an aperture in the lug and through which the pin passes, so that no loads are imposed on the fail-safe pin in normal operation. When one or more of the links are no longer capable of transmitting loads, the fail-safe arrangement becomes operative to accommodate the loads transmitted between the engine and the airframe.

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