Patent ID: 11932380
Assignee: TEXTRON INNOVATIONS INC.
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 5:
6. The compound helicopter as recited in claim 1 wherein the main rotor vibration isolation system further comprises a four corner pylon mount structural assembly, the plurality of augmented liquid inertia vibration eliminator units comprising four augmented liquid inertia vibration eliminator units each positioned at one of the four corners of the pylon mount structural assembly;
wherein, the main rotor vibration isolation system further comprises first and second pylon structures, the plurality of augmented liquid inertia vibration eliminator units coupled to the pylon assembly via the first and second pylon structures; and
wherein, the plurality of augmented liquid inertia vibration eliminator units comprises a plurality of parallel and vertically-oriented augmented liquid inertia vibration eliminator units.