Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Element is an open loop spring curved about rotational axis
Patent
1994-05-02
2000-06-13
Walsh, Donald P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Torque transmitted via flexible element
Element is an open loop spring curved about rotational axis
464 51, 464 87, B60K 4116
Patent
active
060743026
ABSTRACT:
A torsion isolator (34) for transmitting torque and dampening torsionals in a driveline. The isolator includes a composite c-shaped spring (48) disposed in an annular chamber (44) of a housing (38,40) filled with torque converter fluid. The spring transmits driveline torque and attenuates torsionals. The spring also functions as a fluid displacement piston by dividing the chamber into radially inner and outer volumes (44a,44b) which vary inversely in volume in response to torque changes flexing the spring. Rapid flexing of the spring increases the fluid pressure in the decreasing volume and thereby dampens or reduces the rate of spring flexing or rebound.
REFERENCES:
patent: 1751228 (1930-03-01), Bethel
patent: 2019198 (1935-10-01), Spase
patent: 2972241 (1961-02-01), Hackforth
patent: 3209780 (1965-10-01), Mercier
patent: 4148200 (1979-04-01), Schallhorn et al.
patent: 4790793 (1988-12-01), Bacardit
patent: 5049111 (1991-09-01), Jumel et al.
patent: 5081881 (1992-01-01), Ide
patent: 5219431 (1993-06-01), Stretch
patent: 5240457 (1993-08-01), Leichliter et al.
Eaton Corporation
Kasper L. J.
Rivera William A.
Rulon Paul S.
Walsh Donald P.
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