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US 5,323,665 AGranted
Starting vibration damped flexplate flywheel
AssigneeGeneral Motors Corporation
InventorFrank J. Rediker, Jr.
Life of this patent
Estimating the term…
Abstract
A flexplate flywheel has an annular damper ring welded directly to the associated ring gear to substantially reduce starter associated vibrations and the level of sound perceived by the driver of an associated automotive vehicle during engine starting.
Claims7
A vibration damped flywheel comprising
- a circular disc of stiff but flexible sheet metal forming a flex plate,
- an annular ring gear rigidly fixed to the outer periphery of the disc, and
- a damping ring formed as a thin generally flat annulus lying against an outer portion of the disc and having an outer edge welded to the ring gear.
A vibration damped flywheel comprising,
- a circular disc of stiff but flexible sheet metal forming a flex plate,
- an annular ring gear rigidly fixed to the outer periphery of the disc, the ring gear including peripheral teeth for engagement by an engine starter drive, and
- a damping ring formed as a thin generally flat annulus lying against an outer portion of the disc and having an outer edge welded to the ring gear for damping starter drive induced vibrations during starting of an associated engine.
Dependencies are inferred from the claim text.