Variable valve train of internal combustion engine

Details Variable valve train of internal combustion engine Variable valve train of internal combustion engine

2007-01-09

2007-01-09

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090160, C123S090440, C074S569000

Reexamination Certificate

active

11286178

ABSTRACT:
This variable valve train has a camshaft, a rocker shaft, and a rocker arm mechanism for transmitting a motion of a cam formed on the camshaft to a valve. The rocker arm mechanism includes a first arm which drives the valve, a second arm, a third arm, and a variable mechanism which rocks the rocker shaft. The first arm is rockably supported on the rocker shaft. The second arm is driven by the cam and rocks around a universal joint as a pivot on the side of the rocker shaft. The third arm is displaced to drive the first arm as the second arm rocks.

REFERENCES:
patent: 6994063 (2006-02-01), Murata
patent: 2005/0274340 (2005-12-01), Murata
patent: 1 072 761 (2001-01-01), None
patent: 1 072 762 (2001-01-01), None
patent: 11-107725 (1999-04-01), None
patent: 3245492 (2001-10-01), None
patent: 2004-27895 (2004-01-01), None
Relevant portion of International Search Report of corresponding PCT Application PCT/JP2004/003955.

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