Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2008-05-30
2011-11-15
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
Reexamination Certificate
active
08056517
ABSTRACT:
A variable valve lift apparatus of an engine includes: a control shaft; a driving arm rotatable around the control shaft by a cam of a camshaft; a first rocker arm rotatable around the control shaft, that is operated by the driving arm so as to drive a first valve through a first swing arm; a second rocker arm rotatable around the control shaft, that is operated by the driving arm so as to drive a second valve through a second swing arm; and a mediating device rotatable around the control shaft, that transmits a movement of the driving arm to the first and second rocker arms.
REFERENCES:
patent: 7082911 (2006-08-01), Ezaki et al.
patent: 7252058 (2007-08-01), Tashiro
patent: 7451729 (2008-11-01), Sugiura et al.
patent: 7721691 (2010-05-01), Tateno
patent: 2006/0249109 (2006-11-01), Ezaki et al.
patent: 2009/0277408 (2009-11-01), Tateno et al.
patent: WO 2007058092 (2007-05-01), None
Choi Myungsik
Ha Kyoung Pyo
Han Dong Hee
Kim Back Sik
Kim Dae Sung
Bernstein Daniel
Denion Thomas
Hyundai Motor Company
Morgan & Lewis & Bockius, LLP
LandOfFree
Variable valve lift apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Variable valve lift apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable valve lift apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4261423