Torsional vibration dampening device having multiple slider mech

Details Torsional vibration dampening device having multiple slider mech Torsional vibration dampening device having multiple slider mech

1994-11-04

1996-10-29

Stodola, Daniel P.

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

Fluid coupling

464 66, F16D 380

Patent

active

055690874

ABSTRACT:
The device relates to a viscous torsional vibration dampening device for a flywheel mechanism and includes a flywheel (1), drive plates (14), driven plates (15), and a fluid filled chamber housing 18. The drive plates 14, the chamber housing and the flywheel are coupled to one another and rotate together. Within the chamber housing is a first slider cap (30) that forms a first choke between an inner surface of the chamber housing and is arranged to freely move circumferentially inside the liquid chamber. With the first slider cap (30) is a second slider cap (31). The second slider cap (31) is arranged to freely move circumferentially within the confines of the first slider cap (30). A second choke is defined between an inner surface of the first slider cap and an outer surface of the second slider cap that has a fluid path area smaller than that of the first choke. Another surface of the second slider cap (31) and an outer surface formed on the driven plates (15) defines a third choke that has a fluid path area larger than the second choke. The second slider cap (31) is also provided with a mechanism to prohibit relative rotation between the cap (31) and the driven plates (15) beyond an angular displacement range.

REFERENCES:
patent: 5180044 (1993-01-01), Fukushima et al.
patent: 5353664 (1994-10-01), Yamamoto
patent: 5355747 (1994-10-01), Kajitani et al.
patent: 5367921 (1994-11-01), Fukushima
patent: 5386896 (1995-02-01), Matsuoka

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