Invention Application
US20120137999A1 VARIABLE VALVE DRIVING APPARATUS 有权
可变阀门驱动装置

VARIABLE VALVE DRIVING APPARATUS
Abstract:
A variable valve driving apparatus includes a driving shaft including a first camshaft and a second camshaft coaxially disposed to the first camshaft, a driving cam including an opening cam disposed to the first camshaft and a closing cam disposed to the second camshaft, a phase control portion controlling relative phases between the first camshaft and the second camshaft and a valve opening portion opened by the opening cam and the closing cam.
Public/Granted literature
Information query
Patent Agency Ranking
0/0