Chain tensioner for automotive engine
AssigneeFord Motor Company
InventorsJosef Meurer, Hans-Walter Metz, Gottfried Weber, Gerd Schwertfirm
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Abstract
A chain tensioner damps high-frequency chain vibrations by a preloaded damping element in the form of a basic piston, which is augmented by an elastomeric damping element.
Claims8
A chain tensioner for an internal combustion engine, comprising a cylinder (13) provided in a main body (11) with a closed end (14) and an open end (15) and a piston (12), moving back and forth, lodged in the cylinder, whose one end (17) protruding from the open end of the main body is supported against the chain to be tightened, and whose other end, via a mechanical and hydraulic preloading device, rests against a pressurized damping element (18) situated between the mechanical preloading device and the closed end (14) of the cylinder (13).
Dependencies are inferred from the claim text.