Direct fluid shear damper

Details Direct fluid shear damper Direct fluid shear damper

1997-11-22

1999-11-09

Butler, Douglas C.

Spring devices

Fluid

Expansible-contractible chamber device

188276, 188378, 188298, 267221, 267113, F16F 910

Patent

active

059798823

ABSTRACT:
Disclosed is a vibration damping and isolation apparatus having a passive damping mechanism. The passive damping mechanism includes an outer tubular member and an inner member. The inner and outer members are linearly movable relative to one another upon application of forces to the damping apparatus. The inner member is spaced from the outer member by a fluid shear gap that is filled with a viscous fluid. Fluid pressure of the viscous fluid remains constant while the viscous fluid dissipates the forces by direct fluid shear upon relative linear movement of the outer and inner members.

REFERENCES:
patent: 4760996 (1988-08-01), Davis
patent: 4848525 (1989-07-01), Jacot et al.
patent: 5219051 (1993-06-01), Davis
patent: 5249783 (1993-10-01), Davis
patent: 5305981 (1994-04-01), Cunningham et al.
patent: 5318156 (1994-06-01), Davis

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