Rotary shafts – gudgeons – housings – and flexible couplings for ro – Fluid coupling
Patent
1994-06-22
1997-01-21
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Fluid coupling
192208, 464 66, 464 68, F16D 380
Patent
active
055955398
ABSTRACT:
A fluid viscous damper mechanism (4) used in a flywheel assembly includes a first flywheel (1) and a second flywheel (3) which are connected for limited rotary displacement therebetween. The displacement of the two flywheels is defined within a first displacement range and a second displacement range, where the second range is greater than the first range. The flywheels form therebetween a plurality of fluid flow chambers. Disposed between a first and a second of the flow chambers is a sub-choke (S1). Disposed between a third and a fourth of the flow chambers is a main choke (S2). In one embodiment, the sub-choke (S1) produces a predetermined fluid flow resistance force in response to displacement between the flywheels in the first displacement range. The main choke (S2) produces a gradually increasing fluid flow resistance force in response to displacement between the flywheels in the second displacement range. In a second embodiment, the first choke (S1) produces a gradually increasing resistance force in response to displacement of the flywheels in the first range, and the second choke (S2) produces a generally constant fluid flow resistance force in response to rotary displacement between the flywheels in the second displacement range.
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Exedy Corporation
Rivera William A.
Stodola Daniel P.
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