Continuously variable valve lift system for engines

Details Continuously variable valve lift system for engines Continuously variable valve lift system for engines

2007-08-28

2007-08-28

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090410

Reexamination Certificate

active

11299374

ABSTRACT:
Disclosed herein is a continuously variable valve lift system for an engine which is able to variably adjust valve lift and opening duration of intake and exhaust valves operated by the rotation of a cam shaft. The continuously variable valve lift system of the present invention has a compact structure, so that space required for the system in a cylinder head is reduced. Furthermore, the continuously variable valve lift system is provided at a position level with or below a position at which the cam shaft is installed, thus reducing the overall height of the cylinder head, thereby reducing the volume of the engine.

REFERENCES:
patent: 5025761 (1991-06-01), Chen
patent: 6955146 (2005-10-01), Werler

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