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.: US14448731Application Date: 2014-07-31
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Publication No.: US09556763B2Publication Date: 2017-01-31
- Inventor: Young Hong Kwak , Won Gyu Kim , Gyu Han Hwang , Jin Hwa Kim , Gee Wook Shin , Myungsik Choi , Jin Kook Kong
- 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: KR10-2013-0157577 20131217
- Main IPC: F01L1/18
- IPC: F01L1/18 ; F01L13/00

Abstract:
A variable valve lift apparatus may include an outer body, an inner body inserted in the outer body to move up and down in the outer body, a valve cylinder inserted in the outer body on a lower side of the inner body to have one side coupled to the inner body and the other side coupled to the valve, a latching member provided either to the outer body or to the inner body to be operated by a hydraulic pressure for coupling to the outer body and the inner body selectively, a hydraulic chamber formed between the outer body and the inner body, a latching flow passage formed in the outer body to supply the hydraulic pressure to the latching member, and an oil removal valve provided to drain a fluid.
Public/Granted literature
- US20150167510A1 VARIABLE VALVE LIFT APPARATUS Public/Granted day:2015-06-18
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