Invention Grant
- Patent Title: Variable valve lift apparatus
- Patent Title (中): 可变气门举升装置
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Application No.: US12243166Application Date: 2008-10-01
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Publication No.: US07918202B2Publication Date: 2011-04-05
- Inventor: Young Hong Kwak , Kiyoung Kwon , Ki Uk Shin , Jin Kook Kong , Kyoung Joon Chang
- Applicant: Young Hong Kwak , Kiyoung Kwon , Ki Uk Shin , Jin Kook Kong , Kyoung Joon Chang
- Applicant Address: KR Seoul
- Assignee: Hyundai Motor Company
- Current Assignee: Hyundai Motor Company
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2007-0131566 20071214
- Main IPC: F01L1/14
- IPC: F01L1/14

Abstract:
A variable valve apparatus includes a high lift cam and a low lift cam in parallel with the high lift cam. A tappet body includes a high lift tappet body that constantly contacts the high lift cam, and a low lift tappet body that is disposed in the high lift tappet body and selectively contacts the low lift cam. An inner column is connected with a valve and reciprocally disposed within the low lift tappet body. A supporting member is disposed below the tappet body. A lost motion elastic member is disposed between the supporting member and the tappet body for supplying restoring force to the tappet body. A first connector selectively connects the high lift tappet body and the low lift tappet body. A second connector selectively connects the low lift tappet body and the inner column.
Public/Granted literature
- US20090151677A1 VARIABLE VALVE LIFT APPARATUS Public/Granted day:2009-06-18
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