Continuous variable valve lift apparatus and engine provided with the same
AssigneeHyundai Motor Company
InventorsYou Sang Son, Kyoung Pyo Ha, Back Sik Kim, Kiyoung Kwon
Life of this patent
Estimating the term…
Abstract
A continuously variable valve lift apparatus may include a camshaft, a cam portion on which a cam is formed and into which the camshaft is inserted, a slider housing into which the cam portion is rotatably inserted and disposed to be rotatable around a pivot shaft, a control portion configured to selectively rotate the slider housing around the pivot shaft, a rotation deliverer configured to transmit rotation of the camshaft to the cam portion, an output portion rotatable around the pivot shaft and on which a valve shoe is formed, and a valve device configured to be driven by the valve shoe.
Claims20
A continuously variable valve lift apparatus comprising:
- a camshaft;
- a cam portion including a cam, wherein the camshaft is inserted into the cam portion;
- a slider housing into which the cam portion is rotatably inserted and disposed to be rotatable around a pivot shaft;
- a control portion selectively rotating the slider housing around the pivot shaft;
- a rotation deliverer transmitting rotation of the camshaft to the cam portion;
- an output portion rotatable around the pivot shaft and on which a valve shoe is formed;
- and
- a valve device driven by the valve shoe.
An engine comprising:
- a camshaft;
- a cam portion including a cam, wherein the camshaft is inserted into the cam portion;
- a slider housing into which the cam portion is rotatably inserted and disposed to be rotatable around a pivot shaft mounted to a cylinder head;
- a control portion selectively rotating the slider housing around the pivot shaft;
- a rotation deliverer transmitting rotation of the camshaft to the cam portion;
- an output portion rotatable around the pivot shaft and on which a valve shoe is formed;
- and
- a valve device driven by the valve shoe.
Dependencies are inferred from the claim text.