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Title:
VARIABLE VALVE LIFT DEVICE
Document Type and Number:
Japanese Patent JP2009144698
Kind Code:
A
Abstract:

To provide a variable valve lift device capable of a variety of operating areas such as a low lift mode and a high lift mode.

This variable valve lift device comprises: a camshaft having a first cam and a second cam; cam follower having a first follower brought into contact with the first cam and a second follower brought into contact with the second cam; a connection part to which the first follower and the second follower are connected rotatably relative to each other; a main body supporting the first follower and the second follower; a joining part allowing the first follower and the second follower to selectively join to the main body; a lost motion elastic part so formed on the main body as to supply recovering forces to the first follower and the second follower, respectively; and a valve selectively opened and closed by the cam followers.


Inventors:
KIM BACK-SIK
SUH IN-GEE
HAN DONG-HEE
KIM WOO-TAE
KIM HYUNGICK
KIM DAE SEONG
HA KYOUNG-PYO
Application Number:
JP2008000153861
Publication Date:
July 02, 2009
Filing Date:
June 12, 2008
Export Citation:
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Assignee:
HYUNDAI MOTOR CO LTD
KIA MOTORS CORP
International Classes:
F01L13/00
Domestic Patent References:
JPH0396608A1991-04-22
JPH01121504A1989-05-15
JPH02267307A1990-11-01
JPH11141322A1999-05-25
JPH1018826A1998-01-20
JP2003314312A2003-11-06
JPH1018826A1998-01-20
Attorney, Agent or Firm:
Kyosei International Patent Office