Patent ID: 9399932
Filing Date: 2016-07-26
CPC Classification: F01L

Claim Text:
1. A variable valve device for varying a lift amount of a valve, comprising: a first valve and a second valve that are respectively disposed to open or close a port; a swing arm in which a first valve pressing portion and a second valve pressing portion are formed at both sides to press the first valve and the second valve; one supporting portion that supports a part that is apart from the first and the second valve pressing portion on the swing arm; a lost body that is rotatably disposed on the swing arm through a lost pin; a camshaft on which a first cam and a second cam are formed to respectively press the lost body and the swing arm; a latching pin that selectively fixes the swing arm with the lost body and is disposed to move in a direction that the first and the second valves are arranged; a roller that is disposed to correspond to the first cam on the lost body; and a guide pin that penetrates the swing arm, the lost body, and the roller to be parallel with the lost pin, wherein a guide groove is formed such that the guide pin moves on the swing arm together with the lost body and the roller, in a condition that the latching pin releases the connection of the swing arm and the lost body.