Torsional balancer device with a viscous damping medium

Details Torsional balancer device with a viscous damping medium Torsional balancer device with a viscous damping medium

1981-05-29

1983-12-27

Lawson, Patrick D.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

74604, F16F 1510

Patent

active

044223471

ABSTRACT:
A torsional balancer device for a rotary shaft such as for a piston engine comprises a rotationally symmetrical member which is adapted to be connected to the rotary shaft to be balanced. A rotationally symmetrical seismic mass is rotatably mounted so as to be closely spaced from the rotational member and a viscous damping agent is within the small gaps between the seismic mass and the symmetrical member.
A plurality, preferably an odd number, of curved, substantially closed spring elements have closely spaced ends which are connected respectively to the rotational member and the seismic mass. The spring elements define closed curves which may be circular or elliptical in shape. The rotationally symmetrical member may comprise a hermetically sealed annular housing and the seismic mass and damping agent may be enclosed within the housing.

REFERENCES:
patent: 4210234 (1980-07-01), Jones

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