Patent ID: 7484489
Filing Date: 2009-02-03
Classification: F01L

Abstract:
1. A dual oil feed structure of a cylinder de-activation engine for a vehicle, comprising: (a) a main oil hole supplying oil to a hydraulic lash adjuster to adjust a valve gap, wherein the main oil hole is connected to a mail oil passage in which oil flows through the main oil hole; and (b) sub oil hole supplying oil to a roller finger follower which operates the cylinder de-activation device, wherein (i) the sub oil hole is connected to a sub oil passage in which oil flows through the sub oil hole, (ii) the sub oil passage is configured to be in communication with the main oil passage, and (iii) oil is supplied to the sub oil passage through an oil control value installed in the main passage, wherein oil is supplied to the roller finger follower via the hydraulic lash adjuster.