Title:
Valve timing control device
Document Type and Number:
Japanese Patent JP6210042
Kind Code:
B2
Abstract:
To provide a valve opening and closing timing control apparatus which is applicable to various types of internal combustion engines and which includes improved startability. The valve opening and closing timing control apparatus includes a valve opening and closing timing control apparatus provided at a camshaft for an intake valve opening and closing the intake valve of an internal combustion engine and a valve opening and closing timing control apparatus provided at a camshaft for an exhaust valve opening and closing the exhaust valve, at least one of the valve opening and closing timing control apparatus for the intake valve and the valve opening and closing timing control apparatus for the exhaust valve being an electric type and includes a control unit changing a phase of one of the valve opening and closing timing control apparatus for the intake valve and the valve opening and closing timing control apparatus for the exhaust valve serving as the electric type which malfunctions to a most advanced angle phase and changing a phase of the other of the valve opening and closing timing control apparatus for the intake valve and the valve opening and closing timing control apparatus for the exhaust valve which is inhibited from malfunctioning to an advanced angle side to decrease an overlap amount between the intake valve and the exhaust valve in a case where one of the valve opening and closing timing control apparatus for the intake valve and the valve opening and closing timing control apparatus for the exhaust valve serving as the electric type malfunctions.
Inventors:
Masaaki Kaneko
Application Number:
JP2014196505A
Publication Date:
October 11, 2017
Filing Date:
September 26, 2014
Export Citation:
Assignee:
Aisin Seiki Co., Ltd.
International Classes:
F01L1/356; F01L1/352; F02D13/02
Domestic Patent References:
| JP2006307656A | ||||
| JP2608070B2 | ||||
| JP2014105680A | ||||
| JP2013007280A | ||||
| JP2013181488A |
Attorney, Agent or Firm:
Patent business corporation r&c