Coil spring assembly for a lock-up damper

Details Coil spring assembly for a lock-up damper Coil spring assembly for a lock-up damper

1998-08-19

2000-03-28

Bonck, Rodney H.

192 clutches and power-stop control

Elements

Clutch element resiliently carried on hub

192 329, F16D 314, F16D 3300

Patent

active

060419059

ABSTRACT:
A lock-up damper or clutch 7 of a torque converter 1 is provided with a plurality of coil spring assembly 32 for elastically coupling the piston 22 of the torque converter 1 to a turbine 4 of the torque converter 1. The coil spring assembly 32 basically includes a large coil spring 40 and two spring seats 42. The coil spring assembly 32 is designed to prevent a reduction of the performance of the coil spring 40 and to absorb a torsion vibration in the lock-up damper 7 for the torque converter 1. Each of the spring seats 42 is disposed one of the sides of the large coil spring 40. Each of the spring seats 42 has a seat part 43, a first protrusion 44 and a second protrusion 45. The seat part 43 contacts the end of the large coil spring 40. The first protrusion 44 extending from the seat part 43 and is pressed-fitted into an end turn of the large coil spring 40.

REFERENCES:
patent: 4891033 (1990-01-01), Heyser
patent: 4899617 (1990-02-01), Kobayashi et al.
patent: 4950205 (1990-08-01), Umeyama
patent: 4959039 (1990-09-01), Naudin
patent: 5772515 (1998-06-01), Yamakawa et al.
patent: 5810140 (1998-09-01), Billet et al.

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