Camshaft phase change device with roller clutches

Details Camshaft phase change device with roller clutches Camshaft phase change device with roller clutches

1990-09-19

1992-01-07

Stodola, Daniel P.

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

Speed responsive device for adjusting relative rotational...

123 9017, F01L 134

Patent

active

050786474

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: 4841924 (1989-06-01), Hampton et al.
patent: 4857032 (1989-08-01), Aiki et al.
patent: 5002023 (1991-03-01), Butterfield et al.

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