Valve timing control system for internal combustion engine

Details Valve timing control system for internal combustion engine Valve timing control system for internal combustion engine

1989-09-29

1990-10-02

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, 464 2, F01L 134

Patent

active

049600842

ABSTRACT:
A valve timing control system includes a valve timing control mechanism constructed independently of the camshaft with avoiding direct engagement between a timing adjusting element and the camshaft. For enabling this, an inner cylinder is provided as an additional component. The inner cylinder is provided with an external gear teeth engaging with the internal gear teeth of a timing adjusting element. The inner cylinder is designed to be firmly secured to the camshaft by means of an axial fastening bolt. Such construction permits advance adjustment of phase relationship between the sprocket and the inner cylinder before fixing the inner cylinder on the camshaft.

REFERENCES:
patent: 4754727 (1988-07-01), Hampton
patent: 4811698 (1989-03-01), Akasaka et al.
patent: 4841924 (1989-06-01), Hampton et al.
patent: 4862843 (1989-09-01), Kawamoto et al.

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