Patent ID: 6382164
Filing Date: 2002-05-07
Classification: F02B,F16F,Y10T

Abstract:
A vibration damper for use in a piston engine having a housing and a crankshaft, said crankshaft being rotatable in said housing about an axis, said damper being arranged to be mounted on said crankshaft in a position such that it is confined in said housing upon mounting of said crankshaft in said housing, said damper including an input element rotatable with said crankshaft about said axis, at least one mass movable relative to said input element, and at least one resilient energy storing element arranged to oppose movements of said input element and said mass relative to each other, the crankshaft including at least one portion extending radially of said axis and is bounded by first surfaces, said input element having a substantially U-shaped form surrounding said at least one portion and including two legs forming second surfaces, said second surfaces at least partially contacting said first surfaces, the damper further including fastener means connecting said input element to said at least one portion and form-locking connections which are effective between said first and second surfaces.