Vibration isolation system

Details Vibration isolation system Vibration isolation system

1991-05-31

1993-01-12

Ramirez, Ramon O.

Supports

Resilient support

Including spring zone understructure

248638, F16M 1300

Patent

active

051783576

ABSTRACT:
An improved vibration isolation system utilizes at least one pair of structures connected vertically in series with each other and with a base structure and preloaded vertically, with a payload platform disposed between and connected to the structures. Each structure has a negative-stiffness effect in response to vertical compressive load for reducing its horizontal stiffness. The system passively accommodates changes in payload weight or weight distribution by providing a prescribed change in horizontal-motion isolator stiffness with change in weight load. The invention also provides an improved means of retrofitting existing vibration-isolating suspension systems to reduce their stiffness and increase their damping.

REFERENCES:
patent: 2924420 (1960-02-01), Fink
patent: 4572471 (1986-02-01), Schrepfer
patent: 4643385 (1987-02-01), Sandercock
patent: 4711135 (1987-12-01), Horiuchi et al.
patent: 4871142 (1989-10-01), DeMey
patent: 5040764 (1991-08-01), DuBois

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