Adaptively tuned vibration absorber with dual flexures

Details Adaptively tuned vibration absorber with dual flexures Adaptively tuned vibration absorber with dual flexures

1997-04-17

1998-09-22

Ramirez, Ramon O.

Supports

With condition responsive control means

248554, 244 54, 181207, 188380, B64D 2700

Patent

active

058103198

ABSTRACT:
An apparatus for counteracting vibrations includes a housing for attachment to a vibrating member. First and second bodies are connected to the housing by first and second springs, respectively, with a combined stiffness which defines a resonant frequency at which the first and second bodies oscillate with respect to the housing. Each of the first and second springs include a plurality of rods fixedly connected between a pair of rings. A lever engages the first and second bodies to vary a spacing between those bodies when force from an actuator is applied to the lever. The lever action alters the stiffness of the first and second springs which varies the resonant frequency of the vibration absorber.

REFERENCES:
patent: 3487888 (1970-01-01), Adams et al.
patent: 3490556 (1970-01-01), Bennett, Jr. et al.

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