Method of making tuned torsional viscous dampers

Details Method of making tuned torsional viscous dampers Method of making tuned torsional viscous dampers

1977-07-08

1979-03-20

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29446, 294695, B23P 1900

Patent

active

041446305

ABSTRACT:
A method of making a tuned torsional viscous damper comprising assembling preformed elastic tuning spring, spacing and sealing rings in engagement about concentricity maintaining shoulder means located at the radially inner sides of grooves substantially wider than the rings within radially inner portions of confronting spaced axially directed faces within a ring shaped inertia mass having a radially inwardly opening annular working chamber, mounting the inertia mass on a supporting disk, including placing within the working chamber and between the rings a radially extending body on the supporting disk, with parallel confronting working surfaces on the body and on said faces in shear film spaced relation having regard to the viscosity of damping medium to be filled into the chamber, bonding the elastic rings to the body and to the inertia mass, and filling viscous damping medium into the chamber. The elastic rings may be placed under axial compression, with expansion of the rings controlled by the concentricity maintaining shoulder means to be in radially outward direction.

REFERENCES:
patent: 3174360 (1965-03-01), Katzenberger
patent: 3373633 (1968-03-01), Desmond et al.
patent: 3410369 (1968-11-01), Ishizuka
patent: 3462136 (1969-08-01), Rumsey
patent: 3640149 (1972-02-01), McLean
patent: 3678782 (1972-07-01), Aoki
patent: 3992963 (1976-11-01), Khanna

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