Piezoelectric damper for a board such as a snow ski or snowboard

Details Piezoelectric damper for a board such as a snow ski or snowboard Piezoelectric damper for a board such as a snow ski or snowboard

1995-08-01

1998-07-07

Johnson, Brian L.

Land vehicles

Skates

Runner type

280607, 280610, A63C 507

Patent

active

057757151

ABSTRACT:
A board, such as a ski or snowboard, that includes a piezoelectric damper. The piezoelectric damper is located on the body of the board such that, as the board vibrates or deforms, the piezoelectric material is also deformed. As the piezoelectric material deforms, it produces an electrical signal that is provided to a control circuit. The control circuit receives the electrical signal and either provides a resistance to the electrical signal or provides a control signal to the piezoelectric material. The resulting resistance or control signal causes the piezoelectric material to resist the deformation of the board, thus acting as a damper. The piezoelectric damper may be located between the bindings on the board, or may be located in front of the forward binding, behind the aft binding, or in more than one location. In the preferred embodiment, the piezoelectric damper is formed of one or more layers of piezoelectric material on which an electrical grid has been mounted. The piezoelectric material and electrical grid are encapsulated within an organic matrix, such as an epoxy or plastic resin.

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