192 clutches and power-stop control – Clutches – Fluent material
Patent
1988-08-08
1990-03-06
Braun, Leslie A.
192 clutches and power-stop control
Clutches
Fluent material
192 30V, F16D 3104
Patent
active
049058070
ABSTRACT:
There is provided a device for use with a rotary vibration damper, particularly in a piston engine, which varies the flow volume rate of a liquid damping medium. Spur gears are supported in a planetary gear type system in the cylindrical casing of the damper, the spur gears being connected to one of the engine drive shaft or the damper output shaft. The spur gears form a gear pump for a closed circuit of the damping medium and mesh with a central spur gear mounted on the other one of the engine drive or the damper output shaft. A reservoir chamber for the damping medium is provided in the conveying conduit on the pressure side having an elastically variable volume. A piston valve is provided in the conveying conduit on the pressure side which is controlled as a function of the engine speed or revolutions wherein the piston, by its axial position, is adapted to vary the cross section of the conveying conduit and thereby serve as a throttle member.
REFERENCES:
patent: 881472 (1908-03-01), Hollister
patent: 2652911 (1953-09-01), Somers
patent: 2811233 (1957-10-01), Hindmarch
patent: 3025724 (1962-03-01), Booke
patent: 3444969 (1969-05-01), Berklege
patent: 3780841 (1973-12-01), Wells
patent: 4322988 (1982-04-01), Hill
patent: 4344338 (1982-08-01), Hattori et al.
patent: 4674615 (1987-06-01), Synder
Rohs Ulrich
Voigt Dieter
Braun Leslie A.
Lorence Richard M.
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