Patent ID: 8807101
Filing Date: 2014-08-19
Classification: F01L

Abstract:
1. A variable valve lift apparatus comprising: an outer tappet body of which a latching portion connecting hole and an outer tappet body guide hole are formed therewithin; an inner tappet body of which an inner tappet body guide hole is formed therewithin and slidably disposed within the outer tappet body; a latching portion which is disposed within the inner tappet body guide hole and selectively coupled to the latching portion connecting hole; a latching portion support pin which guides the latching portion along a longitudinal direction of the inner tappet body guide hole and is connected to the inner tappet body; a hydraulic pressure chamber which is formed in the outer tappet body and selectively receives hydraulic pressure; a plunger which is slidably disposed in the outer tappet body guide hole and selectively inserts the latching portion into the latching portion connecting hole according to the hydraulic pressure supplied from the hydraulic pressure chamber; and a valve connected to the inner tappet body, wherein the latching portion includes: