Patent ID: 8091450
Filing Date: 2012-01-10
Classification: F16F,Y10T

Abstract:
1. A vibration damper comprising a hub and an outer annular mass connected to said hub by a spoke system, said spoke system including: a plurality of first partial spokes extended from said hub towards said annular mass, said first partial spokes spaced from said inner surface of said annular mass; a plurality of second partial spokes extended from said inner surface of said annular mass towards said hub wherein said second partial spokes are spaced from said hub; an internal web member between said hub and said annular mass connecting ends of adjacent first and second partial spokes and wherein said hub, mass and spoke system are all integral; and further comprising first windows formed between said web and said hub and second windows between said web and an inner surface of said annular mass and further comprising a plurality of dashpots located in at least one of said first windows or said second windows.