Rocker arm apparatus for engine cylinder deactivation

Details Rocker arm apparatus for engine cylinder deactivation Rocker arm apparatus for engine cylinder deactivation

2007-11-15

2011-11-15

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090120, C123S090440, C123S090460, C074S559000, C074S569000

Reexamination Certificate

active

08056523

ABSTRACT:
The present invention provides to a rocker arm apparatus for cylinder deactivation with a new structure for increasing fuel efficiency in a gasoline engine.For this, the present invention provides a rocker arm apparatus for cylinder deactivation including: a rocker arm; a restoring spring supported at the bottom of a rear end portion of the rocker arm; a roller coupled to the rocker arm to be pressed by a cam; a pair of rocker shaft assemblies each including first and second rocker shafts, and a connecting rod integrally connecting the first and second rocker shafts; a pair of rocker shaft support members connected to the rocker arm by means of the first and second rocker shafts; and a transfer member for controlling the rocker shaft assembly.

REFERENCES:
patent: 4768467 (1988-09-01), Yamada et al.
patent: 6481400 (2002-11-01), Hendriksma et al.
patent: 6655331 (2003-12-01), Duesmann et al.
patent: 2001-329817 (2001-11-01), None
patent: 2005-180400 (2005-07-01), None
patent: 2006-090162 (2006-04-01), None

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