High g-force shock pulse generator systems and methods

Details High g-force shock pulse generator systems and methods High g-force shock pulse generator systems and methods

2007-05-22

2007-05-22

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Testing by impact or shock

Specimen impactor detail

C073S012010

Reexamination Certificate

active

11144495

ABSTRACT:
The present invention provides systems and methods that can provide a high g-force to a test specimen. An exemplary system of the present invention includes a beam, rigidly fixed at one or both ends, on which a test specimen can be mounted. A loading device is preferably provided that can load the beam by using a ceramic column positioned between the beam and the loading device. A flywheel that has a cutter that can be deployed on command while the flywheel is rotating to fracture the ceramic column is also provided. The present invention also provides systems and methods for controllably damping the oscillation of a loaded beam at some point after the load on the beam is released to produce a high g-force event. For example, a damping device of the present invention may be engaged after the completion of the high g-force event. Such damping can prevent subsequent ringing or oscillation of the beam without affecting the magnitude of the high g-force event.

REFERENCES:
patent: 6109093 (2000-08-01), Albertini et al.
patent: 6253651 (2001-07-01), Bessemer
patent: 6266994 (2001-07-01), Albertini et al.
patent: 6389876 (2002-05-01), Tanimura et al.
patent: 6655190 (2003-12-01), Grossman et al.

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