Fluid transmission device

Details Fluid transmission device Fluid transmission device

1996-03-15

1998-02-03

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 30V, 1922132, F16H 4502

Patent

active

057134421

ABSTRACT:
In a fluid transmission device which includes a pump, a turbine (6 in FIG. 2), and a direct coupling clutch (10) having a damper function; the turbine (6) being a member which is located downstream of the damper function and which does not contribute to torque transmission under the operating state of the direct coupling clutch (10) is resiliently supported by an inner damper spring (46) being an elastic body, so that the turbine (6) is utilized as a damper weight which affects the dynamic balance of the damper function. Thus, the direct-connectible region of the direct coupling clutch of the fluid transmission device is expanded toward the lower vehicle speed range of a motor vehicle so as to enhance the fuel consumption of the motor vehicle, without worsening the oscillation characteristics of the device.

REFERENCES:
patent: 4002228 (1977-01-01), Borman
patent: 4693348 (1987-09-01), Tsukamoto et al.
patent: 4844216 (1989-07-01), Fukushima
patent: 5062517 (1991-11-01), Muchmore et al.
patent: 5065385 (1991-11-01), Fujimoto et al.
patent: 5086892 (1992-02-01), Schierling
patent: 5195621 (1993-03-01), Dull et al.
patent: 5203835 (1993-04-01), Kohno et al.
patent: 5348127 (1994-09-01), Murata et al.
patent: 5388678 (1995-02-01), Murata

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