Variable valve apparatus

Details Variable valve apparatus Variable valve apparatus

1998-01-26

2000-12-05

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9048, F01L 134

Patent

active

06155216&

ABSTRACT:
A rotatable eccentric sleeve allows the position of a cam follower in an internal combustion engine to be altered such that the timing of opening and closing of valve events is altered controllably. Intake and exhaust valves may be phased differently within a compact mechanism.

REFERENCES:
patent: 4414935 (1983-11-01), Curtis et al.
patent: 4868215 (1989-09-01), Parsons
patent: 5002022 (1991-03-01), Perr
patent: 5099805 (1992-03-01), Ingalls
patent: 5111781 (1992-05-01), Kaku et al.
patent: 5598814 (1997-02-01), Schroeder et al.

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