Machine element or mechanism – Elements – Flywheel – motion smoothing-type
Patent
1995-05-24
1996-11-19
Marmor, Charles A.
Machine element or mechanism
Elements
Flywheel, motion smoothing-type
74572, 74573R, 192201, 464 66, 464 68, F16D 314
Patent
active
055751822
ABSTRACT:
A dual-mass flywheel comprises a primary mass (7) which is adapted to be fastened to a crankshaft (3) of an internal-combustion engine concentric to an axis of rotation (1) and a secondary mass (9) which is mounted for rotation relative to the primary mass (7) around the axis of rotation (1). The secondary mass (9) is coupled in a rotationally elastic manner to the primary mass (7) by a torsion-damping arrangement (19). The primary mass has two formed sheet-metal parts (35, 37) which define a cavity (47) to accommodate springs (17) of the torsion-damping arrangement (19) and is provided with supplementary masses in order to increase the moment of inertia. The supplementary masses may be made up of extensions (45, 63) of the formed sheet-metal parts (35, 37) or of additionally welded-on mass-rings (67). In particular, the supplementary masses are located in a region which is generally radially outwardly of the secondary mass (9).
REFERENCES:
patent: 4813295 (1989-03-01), Drexl et al.
patent: 5119693 (1992-06-01), Naudin et al.
patent: 5146811 (1992-09-01), Jackel
Gobel Hilmar
Kraus Georg
Schierling Bernhard
Stockmann Bernd
Fichtel & Sachs AG
Kim Chong H.
Marmor Charles A.
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