Torsional vibration damper having a roll spun housing and other

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

1987-08-03

1989-10-10

Lindsey, Rodney M.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

188379, F16F 1510

Patent

active

048723690

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.

REFERENCES:
patent: 2987938 (1961-06-01), Burch
patent: 3121347 (1964-02-01), Rumsey
patent: 3234817 (1966-02-01), Williamson
patent: 3262334 (1966-07-01), Edwards
patent: 3398602 (1968-08-01), Croset
patent: 3410369 (1968-11-01), Ishizuka
patent: 3443454 (1969-05-01), Hall
patent: 3512612 (1970-05-01), Bragg
patent: 3716901 (1983-02-01), Bragg et al.
patent: 3771380 (1973-11-01), Bahr
patent: 4172510 (1979-10-01), Forkel
patent: 4386728 (1983-06-01), Torok
patent: 4422347 (1983-12-01), Conseur
patent: 4660436 (1987-04-01), Daroust et al.
"Spinning", Storch et al, Machine Design, Feb. 17, 1972, pp. 140-141.

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