Viscous damper

Details Viscous damper Viscous damper

1978-10-27

1982-07-20

Braun, Leslie

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

74573F, 74604, F16F 1510, F16F 1522

Patent

active

043399630

ABSTRACT:
A torsional vibration damper of the type having an inertia ring secured to a hub, the hub being coupled to the crankshaft of an internal combustion engine. Elastomer members are sandwiched between the hub and inertia ring. The improvement of this invention relates to a radially inwardly extending tongue carried by the inertia ring, a portion of which is sandwiched by the elastomer members. A viscous shear liquid is carried by an annular internal cavity of the hub, the radially innermost portion of the tongue immersed in the shear liquid.

REFERENCES:
patent: 379022 (1888-03-01), Morgan
patent: T973005 (1978-08-01), Shyu et al.
patent: 1925072 (1933-08-01), Goiswold
patent: 2073661 (1937-03-01), Tibbetts
patent: 2667767 (1954-02-01), Burrell
patent: 2671488 (1954-03-01), Christensen
patent: 3603172 (1971-09-01), Hall
patent: 3986411 (1976-10-01), Kirby
patent: 3992963 (1976-11-01), Khanna

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