Aircraft engine mount system with vibration isolators

Details Aircraft engine mount system with vibration isolators Aircraft engine mount system with vibration isolators

1986-05-19

1988-01-05

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft power plants

Mounting

248557, B64D 2726

Patent

active

047170948

ABSTRACT:
A laterally extending shaft (42) pivotably connects an aft engine mount (20) to a wing strut (4). Vertical isolators (52) are positioned around opposite ends (44) of the shaft (42). Each isolator (52) includes a housing (56) which moves vertically with the shaft (42). Upper and lower shock absorbing members (62, 64) are received into recesses (60) in the housing (56) and abut upper and lower portions of the strut (4). Each of two laterally spaced lateral isolators (72) has an annular isolator member (92) and a hat-shaped housing (78) with a cylindrical wall (80) that is closely received into a passageway (74) in the strut (4). The shaft (42) extends concentrically through and is spaced from the isolators (72). Opposite ends (96, 94) of each isolator member (92) abut a flange (82) on the housing (78) and the engine mount (20). Isolator members (62, 64, 92) include alternating elastomeric and metal layers. The engine mount (20) is dimensioned and the isolators (52, 72) are positioned to locate the elastomeric layers away from the heat of the engine (6).

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