Torsion damping device for an automobile clutch friction disc

Details Torsion damping device for an automobile clutch friction disc Torsion damping device for an automobile clutch friction disc

1984-08-09

1986-09-23

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 30V, 192 7017, 1921061, 464 68, 464 85, F16D 314, F16D 366, F16D 368, F16D 1338

Patent

active

046130292

ABSTRACT:
A torsion damping device for an automobile clutch friction disc comprises two coaxial parts angularly movable relative to one another to a limited extent in opposition to the action of first helicoidal springs disposed between the parts, these first springs damping vibrations between the clutch drive and driven shafts. One of the coaxial parts comprises a coaxial web and hub themselves angularly movable relative to one another over a limited sector defined by complementary toothings on the web and hub. Second helicoidal springs are disposed between the web and hub to oppose their relative angular movement, damping noise when in neutral gear. At least one block of elastomeric material is disposed between the toothings on the web and hub, the or each block allowing the toothings to strike positively against one another but braking their relative motion to reduce noise when torque in the clutch is reversed. The or each block comprises a ring engaged around one of the teeth of one of the toothings and disposed in a groove in that tooth, so that the ring is compressed by the neighboring teeth of the other toothing.

REFERENCES:
patent: 1912703 (1933-06-01), Gamble
patent: 2221823 (1940-11-01), Thelander
patent: 4197931 (1980-04-01), Norcia
patent: 4212380 (1980-07-01), Billet

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