192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Patent
1983-05-13
1987-01-20
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
192 702, 1921062, 464 63, F16D 312, F16H 4502
Patent
active
046375007
ABSTRACT:
The hydrodynamic coupling comprises a pump wheel and a turbine wheel arranged rotatably coaxially in relation to the pump wheel in a hydrodynamic fluid cycle. With the pump wheel a housing (4) is connected fast in rotation, through which an internal combustion engine drives the pump wheel. A controllable bridge-over clutch having a torsional vibration damper (1) is connected into the torque transmission path between the housing and a drive-output shaft coupled with the turbine wheel. The torsional vibration damper (1) comprises two damper units (2, 6, 10 and 3, 7, 11, 12) connected in series with one another into the torque transmission path. Each damper unit comprises a disc part (5 and 6) coaxial with the rotation axis and a cover part (10 and 11, 12) axially adjacent to the disc part and rotatable in relation thereto about the rotation axis through a limited angle, and several springs (2 and 3) retained in ports (8, 30 and 9, 31) of the disc part and of the cover part and stressable in the relative rotation of the disc part and of the cover part. The two damper units are coupled fast in rotation with one another through an axially loose plug-in connection (13) engaging by virtue of shape. The plug-in connection facilitates the assembling and examination of the torsional vibration damper before assembly. The plug-in connection is expediently formed by an internal profile of the radially outer disc part (6) and an external profile of the cover plate (11), grasping over the radially inner disc part (7) from the side remote from the housing, of the cover part (11, 12) of the radially inner damper unit.
REFERENCES:
patent: 4049093 (1977-09-01), Vukovich et al.
patent: 4138003 (1979-02-01), Malloy
patent: 4299315 (1981-11-01), Ohtsuka
patent: 4422535 (1983-12-01), Ling
patent: 4461376 (1984-07-01), Lech, Jr. et al.
patent: 4471438 (1984-09-01), Futagi et al.
Gobel Hilmar
Raab Harald
Bonck Rodney H.
Fichtel & Sachs AG
Lorence Richard M.
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