Actuator arrangement for active vibration isolation using a...

Details Actuator arrangement for active vibration isolation using a... Actuator arrangement for active vibration isolation using a...

2005-01-14

2009-08-11

Schwartz, Christopher P (Department: 3657)

Brakes

Inertia of damping mass dissipates motion

C267S136000

Reexamination Certificate

active

07571793

ABSTRACT:
System for and method of active vibration isolation to isolate a payload (57) from earth movements. The system has a body (16; 51), a mass (41) supported by the body (51) by means of at least one spring (45), a further mass (39) supported by the mass (41) by means of at least one further spring (43). A sensor senses a distance between the mass (41) and the further mass (39) and generates a distance signal. A controller (49) receives the distance signal and generates a control signal based on the distance signal. An actuator (47) actuates a position of said mass (41) based on the control signal, whereas the further mass supports the payload to be isolated from earth (16).

REFERENCES:
patent: 4796873 (1989-01-01), Schubert
patent: 5390891 (1995-02-01), Hornung et al.
patent: 5823307 (1998-10-01), Schubert et al.
patent: 6193206 (2001-02-01), Yasuda et al.
patent: 6378672 (2002-04-01), Wakui
patent: 6942202 (2005-09-01), Kienholz

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