Torsional vibration damper

Details Torsional vibration damper Torsional vibration damper

1996-11-25

1998-06-09

Marmor, Charles A.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid resistance inhibits relative rotation

475108, 74574, F16H 5710

Patent

active

057625778

ABSTRACT:
A hydraulic torsional vibration damper comprising a primary part having an internal gear and a driving gear rim, a secondary part, and a planetary support having a hub and supported by said secondary part. A plurality of planetary gears are arranged in said planetary support and engage the internal gear of the primary part to form gear pumps for pumping a hydraulic medium. A plurality of suction chambers are arranged in the planetary support, each suction chambers having an inner and an outer wall. A ring-shaped pressure chamber is arranged between the hub of the planetary support and the planetary gears and is connected to the planetary gears. The pressure chamber is also controllably connected to the suction chambers.

REFERENCES:
patent: 3180182 (1965-04-01), Tiberio
patent: 3854348 (1974-12-01), Stevenson
patent: 4322988 (1982-04-01), Hill
patent: 4905807 (1990-03-01), Rohs et al.
patent: 4943268 (1990-07-01), Eisenmann et al.
patent: 5145043 (1992-09-01), Kuo
patent: 5496224 (1996-03-01), Rohs et al.

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