公开(公告)号：EP3214279A4

公开(公告)日：2017-11-15

申请号：EP15855542

申请日：2015-10-28

申请人： AISIN SEIKI

发明人： YAMAKAWA YOSHIAKI ,  KOBAYASHI MASAKI

IPC分类号： F01L1/356

CPC分类号： F01L1/3442 ,  F01L1/356 ,  F01L2001/34426 ,  F01L2001/3443 ,  F01L2001/34433 ,  F01L2001/34453 ,  F01L2001/34463 ,  F01L2001/34473

摘要： To provide a valve opening and closing timing control apparatus with a reduced size by reasonably configuring a supply flow passage of working fluid to an intermediate lock mechanism. The valve opening and closing timing control apparatus includes a driving-side rotating body, a driven-side rotating body fixed to a camshaft by a bolt, a fluid pressure chamber, an intermediate lock mechanism, a lock flow passage bringing the working fluid to the intermediate lock mechanism, and an electromagnetic valve including a spool which is arranged at an inner portion of the bolt, the lock flow passage including a first flow passage which is arranged between the spool and a supply flow passage in a radial direction and which is connected to the supply flow passage, the supply flow passage bringing the working fluid to flow along the axis direction at the inner portion of the bolt, the lock flow passage including a second flow passage which is provided at the inner portion of the bolt in a penetrating manner in the radial direction and which brings the working fluid to flow between the spool and the intermediate lock mechanism.

公开(公告)号：EP3059403A4

公开(公告)日：2016-11-23

申请号：EP14853606

申请日：2014-10-08

申请人： AISIN SEIKI

发明人： KOBAYASHI MASAKI ,  YAMAKAWA YOSHIAKI ,  UEDA KAZUO

IPC分类号： F01L1/356

CPC分类号： F01L1/3442 ,  F01L2001/3443 ,  F01L2001/34433 ,  F01L2001/34463 ,  F01L2001/34466 ,  F01L2001/34473 ,  F01L2001/34479

摘要： Provided is a valve open/close timing control device capable of performing control for both "locking in an intermediate lock phase by means of a retarding action" and "locking in an intermediate lock phase by means of an advancing action" using one electromagnetic valve. The valve open/close timing control device includes a housing that rotates synchronously with a crankshaft, an inner rotor that is disposed inside of the housing and rotates integrally with a camshaft, a fluid pressure chamber formed between the housing and the inner rotor, an intermediate lock mechanism capable of switching between a locked state and an unlocked state according to supply/discharge of working oil, an unlocking channel that allows passage of working oil to be supplied to or discharged from the intermediate lock mechanism, a lock discharge channel that allows passage of working oil discharged from the intermediate lock mechanism, and an electromagnetic valve that controls the supply/discharge of the working oil to/from the fluid pressure chamber and the intermediate lock mechanism. With this valve open/close timing control device, the lock discharge channel allows passage of the working oil in the case where the electricity supply amount to the electromagnetic valve is 0 or the maximum.

公开(公告)号：EP3276132A4

公开(公告)日：2018-04-11

申请号：EP15886449

申请日：2015-09-25

申请人： AISIN SEIKI

发明人： AMANO HIROYUKI ,  KOBAYASHI MASAKI ,  YAMAKAWA YOSHIAKI

IPC分类号： F01L1/356 ,  F01L1/344 ,  F16K31/06

CPC分类号： F01L1/356 ,  F01L1/3442 ,  F01L2001/3443 ,  F01L2800/00 ,  F01L2800/01 ,  F01L2800/09 ,  F16K31/06 ,  F16K31/105

摘要： A valve opening and closing timing control apparatus includes a drive-side rotational body, a driven-side rotational body, an intermediate lock mechanism which selectively switches between a lock state where displacement of a relative rotational phase of the driven-side rotational body relative to the drive-side rotational body is restrained in an intermediate lock phase and an unlock state where the lock state is released, and an electromagnetic valve at which a position of a spool is changed when a drive current applied to a drive source changes, and operating oil is selectively supplied or discharged such that the relative rotational phase is displaced in an advanced-angle direction or a retarded-angle direction. At a time of predetermined operation of an internal combustion engine, a value of the drive current is set as a boundary current, and the value of the drive current to be set as the boundary current differs, by a predetermined value, from a value of the drive current at a time when the unlock state was switched to the lock state due to the change of the drive current.