Invention Grant
- Patent Title: Multistage variable valve lift apparatus, system and engine
- Patent Title (中): 多级可变气门提升装置,系统和发动机
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Application No.: US14143850Application Date: 2013-12-30
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Publication No.: US09267402B2Publication Date: 2016-02-23
- Inventor: Soo Hyung Woo , Jong Hyeok Choi , Young Hong Kwak , Byong Young Choi , Jin Kook Kong , Gee Wook Shin
- Applicant: Hyundai Motor Company
- Applicant Address: KR Seoul
- Assignee: Hyundai Motor Company
- Current Assignee: Hyundai Motor Company
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2013-0027467 20130314
- Main IPC: F01L1/34
- IPC: F01L1/34 ; F01L31/16 ; F01L1/047 ; F01L13/00

Abstract:
A multistage variable valve lift apparatus includes: a camshaft; a plurality of cams slidably provided on the camshaft and each including a cam base with a guide projection and a cam lobe; a solenoid unit that includes an operating rod with a guide slot into which the guide projection is selectively inserted; and a valve opening/closing portion that comes into selective contact any one of the plurality of cams.
Public/Granted literature
- US20140261267A1 MULTISTAGE VARIABLE VALVE LIFT APPARATUS, SYSTEM AND ENGINE Public/Granted day:2014-09-18
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