Invention Grant
- Patent Title: Variable valve device for engine
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Application No.: US16001802Application Date: 2018-06-06
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Publication No.: US10458294B2Publication Date: 2019-10-29
- Inventor: Soo Hyung Woo , Back Sik Kim , Seung Kook Han
- Applicant: Hyundai Motor Company , Kia Motors Corporation
- Applicant Address: KR Seoul KR Seoul
- Assignee: Hyundai Motor Company,Kia Motors Corporation
- Current Assignee: Hyundai Motor Company,Kia Motors Corporation
- Current Assignee Address: KR Seoul KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2017-0170812 20171212
- Main IPC: F01L13/00
- IPC: F01L13/00 ; F01L1/053

Abstract:
A variable valve device for an engine, may include a camshaft; a movable cam device fitted over the camshaft to be slidable in an axial direction of the camshaft, and configured such that cams with at least two different cam profiles and a guide protruding portion are disposed along the axial direction of the camshaft; at least one shaft groove linearly processed to have a predetermined cross-sectional shape in an external circumferential surface of the camshaft along the axial direction thereof; a cam groove provided in an internal circumferential surface of the movable cam device to communicate with the shaft groove; and an insertion member inserted into a communication space defined by the shaft groove and the cam groove such that a rotational displacement of the camshaft is transmitted to the movable cam device.
Public/Granted literature
- US20190178117A1 VARIABLE VALVE DEVICE FOR ENGINE Public/Granted day:2019-06-13
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