Variable valve mechanism and internal combustion engine with the

Details Variable valve mechanism and internal combustion engine with the Variable valve mechanism and internal combustion engine with the

1998-01-22

1999-08-03

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, F01L 1300

Patent

active

059311282

ABSTRACT:
A variable valve mechanism using a non-uniform coupling in an internal combustion engine is equipped with an axis-supporting member for supporting a cam-side rotation axis in an eccentric state. In the variable valve mechanism, the axis-supporting member is driven while taking account of friction occurring in the axis-supporting member by changing the position of the axis-supporting member so as to align with the direction of a dragging torque generated between the axis-supporting member and an intermediate rotating member or between the axis-supporting member and a rotation axis member.

REFERENCES:
patent: 5592908 (1997-01-01), Hara et al.
patent: 5704316 (1998-01-01), Fujimoto et al.
patent: 5778840 (1998-07-01), Murata et al.
patent: 5787849 (1998-08-01), Mitchell

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