F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
267/65
F16F 9/12 (2006.01) B60G 13/08 (2006.01) F16F 9/14 (2006.01) F16F 9/53 (2006.01)
Patent
CA 2014477
Abstract A rotary shock absorber for damping relative movement between parts includes a housing connectable two one of the parts and a shaft having its axially opposite ends connectable with another one of the parts. The housing defines at least one chamber for a field-responsive fluid. The shaft is supported for rotation about its longitudinal central axis relative to the housing. A rotor blade is disposed in the chamber and is connected with the sheet and extends radially of the shaft. The rotor blade is angularly movable in the chamber. A number of energizeable electromagnetic coils is provided for, when energized, applying an energy field to the fluid in the chamber. The shear resistance of the fluid varies as a function of the energy field acting on the fluid. When the parts move relative to each other, the shaft rotates about its longitudinal central axis relative to the housing and the rotor blade moves angularly in the chamber. The angular movement of the rotor blade in the chamber is resisted by the fluid. The resistance to movement of the rotor blade in the chamber varies as a function of the shear resistance of the fluid. Thus, the resistance to relative movement of the parts, and hence the damping rate of the rotary shock absorber, varies as a function of the energy field applied to the fluid in the chamber.
Fetherstonhaugh & Co.
Trw Inc.
LandOfFree
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