Torsional vibration damping apparatus

Details Torsional vibration damping apparatus Torsional vibration damping apparatus

1990-11-21

1993-03-16

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Fluid coupling

464 68, 1921062, 74574, F16D 314, F16D 380

Patent

active

051940442

ABSTRACT:
A torsional vibration damping apparatus which operates between the crankshaft of the engine and the input shaft of the transmission in a motor vehicle has two flywheels which are rotatable relative to each other against the opposition of one or more dampers installed in a fluid-containing chamber of the flywheel which is connected to the crankshaft. The chamber has one or two annular compartments for the coil springs of the damper or dampers, and such coil springs are caused to store energy by a flange which is connected to the flywheel that drives the input shaft of the transmission and by integral or separately produced stops of the flywheel which is connected with the crankshaft. The flange cooperates with the respective flywheel to form a flow restrictor which opposes the flow of fluid from and into the compartment or compartments of the chamber in response to expansion or contraction of the coil springs.

REFERENCES:
patent: 2071885 (1937-02-01), Lewis et al.
patent: 4351167 (1982-09-01), Hanke et al.
patent: 4484898 (1984-11-01), Kohno
patent: 4611701 (1986-09-01), Friedmann
patent: 4663983 (1987-05-01), Kobayashi et al.
patent: 4674991 (1987-06-01), Tojima et al.
patent: 4684007 (1987-08-01), Maucher
patent: 4782718 (1988-11-01), Hartig et al.
"The Two-Mass Flywheel--A Torsional Vibration Damper for the Power Train of Passenger Cars--State of the Art and Further Technical Development", Sebulke, SAE Technical Paper Series No. 870394, Feb. 1987.

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