Phase change device with splitter spring

Details Phase change device with splitter spring Phase change device with splitter spring

1991-08-08

1993-08-10

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Automatic

123 9015, 123 9017, 192 41R, 192 451, 464 1, F01L 134, F16D 310

Patent

active

052340880

ABSTRACT:
Devices (10 and 100) for varying the rotational phase relation between a camshaft (12) and an unshown crankshaft in response to positive and negative torque pulsations. The devices include double-acting one-way clutches (24 and 106) disposed in series with support and drive members (20,22 and 102,104) for selectively retarding and advancing the camshaft relative to the crankshaft in response to the torque pulsations. If none of the torque pulsations go negative due to relatively high constant torque, a splitter spring (30) may be disposed in parallel with the one-way clutches.

REFERENCES:
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patent: 3721220 (1973-03-01), Garcea
patent: 4177773 (1979-12-01), Cribbs
patent: 4672825 (1986-12-01), Bruss et al.
patent: 4703840 (1987-11-01), Bopp
patent: 4841924 (1989-06-01), Hampton et al.
patent: 4872427 (1989-10-01), Gustafson
patent: 4892178 (1990-01-01), Damon et al.
patent: 5002023 (1991-03-01), Butterfield et al.
patent: 5046460 (1991-09-01), Butterfield et al.
patent: 5056477 (1991-10-01), Linder et al.
patent: 5056478 (1991-10-01), Ma
patent: 5056479 (1991-10-01), Suga
patent: 5078647 (1992-01-01), Hampton

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