Title:
VARIABLE VALVE DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2018/168302
Kind Code:
A1
Abstract:
Provided is a variable valve device comprising: a hollow outer camshaft 5 having a first drive cam 7 on the outer periphery thereof; and an inner camshaft 6 disposed in a relatively rotatable manner within the outer camshaft and having a second drive cam 11 on the outer periphery thereof. The rear plate 15 of a housing 2 has a first fitting hole 20 into which a first shaft section 5a of the outer camshaft is inserted and fitted. A vane rotor 3 has a second fitting hole 21 in a rotor 17, the second fitting hole 21 allowing the first shaft section to be inserted and fitted therein. The outer camshaft holds the housing 2 and the vane rotor 3 so that the housing 2 and the vane rotor 3 are coaxial with each other. As a result the outer camshaft, for example, alone is capable of centering the housing and the vane rotor, so the coaxial relationship between the housing and the vane rotor is not affected.
Inventors:
LIU GUANGZE (JP)
Application Number:
PCT/JP2018/004977
Publication Date:
September 20, 2018
Filing Date:
February 14, 2018
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F01L1/356; F01L1/04
Foreign References:
| JP2010502884A | 2010-01-28 | |||
| JP2013256898A | 2013-12-26 | |||
| JP2013256899A | 2013-12-26 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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