Series spring vibration dampers

Details Series spring vibration dampers Series spring vibration dampers

1983-09-30

1985-07-23

Petrakes, John

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Torque transmitted via flexible element

Coil spring

1921061, 1921062, 464 68, F16D 314, F16D 366

Patent

active

045306737

ABSTRACT:
A torsional vibration damper assembly for use in a torsional coupling or clutch arrangement to provide a low spring rate, high deflection amplitude characteristic, including an input means having driving arms or straps, at least two elongated bowed coil springs, each extending through an arc of approximately 180.degree., a hub having diametrically opposed radial arms normally in axial alignment with the drive arms, and a plurality of wedges which are inserted between adjacent coils of the bowed springs to separate the springs into several operative segments. The use of the wedges provides spring segments which operate in series.

REFERENCES:
patent: 799388 (1905-09-01), Keyes
patent: 852883 (1907-05-01), Keyes
patent: 1627964 (1927-05-01), Galloway
patent: 2149887 (1939-03-01), Hickman
patent: 2574573 (1951-11-01), Libby
patent: 2632318 (1953-03-01), Meyer
patent: 4304107 (1981-12-01), Fall et al.
patent: 4347717 (1982-09-01), Lamarche

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