|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||123/090.11 ; 123/090.6 ; 123/090.65 ; 251/129.01 ; 251/129.16|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 11 인용 특허 : 6|
An electromagnetic driving device of engine valve for internal combustion engine comprising an electromagnetic deriving mechanism includes a first and second electromagnets positioned opposite each other, an armature disposed in a gap formed between the electromagnets for moving therebetween, a follower having a first and second followers that are positioned opposite each other is for moving in relation to the armature, a valve associated with the armature for closing and opening an intake or exhaust passage, a first and second cams having gradually vari...
[ What is claimed is:] [1.]1. An electromagnetic device for driving an engine valve in an internal combustion engine,the valve comprising a stem defining along its longitudinal dimension a movement axis and having at one end thereof a valve portion that engages a valve seat for closing and opening an exhaust passage, comprising:an armature mechanically coupled to the valve stem;an electromagnetic driving mechanism comprises first and second electromagnets, disposed on opposite sides of the armature and being separately operable to magnetically engage the...