This paper reviews recent patented developments in active vibration isolation. First of all, the
fundamental limitations of passive vibration isolations are established, to understand the …

Vibration isolation devices and associated systems and methods are disclosed herein. In
one embodiment, for example, an unmanned aircraft can include a fuselage having a first …

BACKGROUND Unmanned aircraft or air vehicles (UAVs) provide enhanced and
economical access to areas where manned flight operations are unacceptably costly and/or …

the invention relates to the field of methods/systems for actively controlling vibrations in
vehicles. More particularly the invention relates to the field of controlling vibrations in aircraft …

(57) ABSTRACT A rotary wing aircraft including a vehicle vibration control system. The
vehicle vibration control system includes a rotat ing hub mounted vibration control system …

Helicopter rotating hub mounted vibration control system for a rotary wing hub having
periodic vibrations while rotating at an operational rotation frequency. The vibration control …

A rotary wing aircraft including a vehicle vibration control system. The vehicle vibration
control system includes a rotary wing aircraft member sensor for outputting rotary wing …

Oil from an oil source is introduced into an inside of a reciprocal oil hydraulic pressure
cylinder through a port, and a lock shaft is pushed against a lock plate by the oil pressure to …

The present invention relates to a microScope Suitable for high-throughput Screening
comprising an autofocusing apparatus having an unfolded, main optical axis. Further the …

An aircraft with an aerostructure and at least one rotating machine creating troublesome
vibrations, with the aircraft including a power source outputting electromagnetic force …