F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
267/65
F16F 9/53 (2006.01) F16F 13/30 (2006.01)
Patent
CA 1283931
ABSTRACT OF THE DISCLOSURE The mount has variable volume fluid chambers interconnected by fluid passageways and containing electrorheological fluid. Valves are arranged in series with a plurality of the passageways. Each valve has a flow area greater than that of the passageway in series therewith. Energization of a valve generates an electrical field effective to so increase the apparent viscosity of the fluid within the valve as to prevent fluid flow through the passageway in series with it. Selective energization of the valves, by suitable control means a associated therewith, varies the frequencies at which fluid inertia forces cause the mount to undergo abrupt changes in dynamic stiffness. The valves may be located upon opposite sides of a central mount section through which the chamber connecting passages extend. Electrode elements of the valves are preferably so shaped as to minimize fluid drag and electrical concentra- tion. In one embodiment the passageways all communicate at one end wish a common variable volume chamber, while com- municating at their opposite ends with respective ones of a plurality of different chambers.
544176
Carlson J. David
Duclos Theodore G.
Hodgson Douglas A.
Lord Corporation
Swabey Ogilvy Renault
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