Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Guide roll mounted for movement of its axis along arcuate...
Patent
1989-05-25
1989-12-12
Bui, Thuy M.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Guide roll mounted for movement of its axis along arcuate...
474135, F16H 712
Patent
active
048864820
ABSTRACT:
Tensioning device, particularly a belt tensioning device, for the drive of auxiliary aggregates of an internal combustion engine comprising a swivel arm at one end of which a tension roller for the belt is rotatably mounted and whose other end is plugged by means of a hub onto a journal which is parallel to the axis of rotation of the tension roller and arranged in a fixed pot-shaped housing, a spring whose one end is fixed to the swivel arm and whose other end is fixed to the housing and, arranged in the housing, a friction damping members which produces damping forces of differing magnitude for the swivel arm in the two directions of movement and has a fraction lining lying against the housing wall and acted upon by the swivel arm, characterized in that the friction damping members comprises an inner ring fixed to the swivel arm, an outer ring lying against the friction lining and several rolling elements arranged between these rings and disposed in troughs in the rings for rolling movement along ramps.
REFERENCES:
patent: 4661087 (1987-04-01), Henderson
patent: 4822322 (1989-04-01), Martin
Koschmieder Hartmut
Petri Werner
Bui Thuy M.
INA Walzlager Schaeffler KG
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