Torsional vibration damper having a roll spun housing and...

Details Torsional vibration damper having a roll spun housing and... Torsional vibration damper having a roll spun housing and...

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F16F 15/16 (2006.01) B21D 22/16 (2006.01) B21D 26/02 (2006.01) B23K 26/28 (2006.01) F16F 15/173 (2006.01)

Patent

CA 1309277

ABSTRACT A viscous torsional vibration damper of the kind operating on the shear film principle has a roll spun annular channel shaped housing providing an annular working chamber within which is mounted an annular complementary inertia mass ring and a viscous damping fluid substantially fills shear film spaces between the working surfaces of the inertia ring and confronting working surfaces of the housing within the chamber. Working surface area of the housing within the working chamber has a spinning roll burnished finish. A roll formed rabbet provides a shoulder seat on one wall of the housing with an edge portion of a closure sealed thereto. Laser welding permanently secures the closure to the housing.

572675

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