公开(公告)号：US20160290179A1

公开(公告)日：2016-10-06

申请号：US15083788

申请日：2016-03-29

Applicant: OTICS CORPORATION

Inventor： Hiroyuki SUZUKI

IPC: F01L1/24

CPC classification number: F01L1/2405 ,  F01L1/24 ,  F01L2103/00

Abstract: A lash adjuster includes a body which is cylindrical in shape and a plunger. The plunger is reciprocably inserted into the body and has an interior in which a low-pressure chamber is defined. The plunger has a bottom wall defining a high-pressure chamber in conjunction with the body between them and a peripheral wall formed with a plunger oil hole through which an operating oil is fed into the low-pressure chamber. The bottom wall is formed with a valve hole through which the operating oil stored in the low-pressure chamber is allowed to flow into the high-pressure chamber. The plunger has a pocket provided on the peripheral wall so as to be deformed toward the low-pressure chamber and inclined in an upward direction, defining the plunger oil hole.

Abstract translation: 间隙调节器包括圆柱形的主体和柱塞。 柱塞可往复运动地插入到主体中并具有限定低压室的内部。 柱塞具有限定高压室的底壁，与它们之间的主体以及形成有柱塞油孔的周壁连接，工作油通过该柱塞油孔被供给到低压室中。 底壁形成有阀孔，通过该阀孔容纳存储在低压室中的工作油流入高压室。 柱塞具有设置在周壁上的袋，以朝向低压室变形，并向上方倾斜，形成柱塞油孔。

公开(公告)号：US20170350282A1

公开(公告)日：2017-12-07

申请号：US15480857

申请日：2017-04-06

Applicant: OTICS CORPORATION

Inventor： Hiroyuki SUZUKI ,  Akira SUGIURA ,  Koki YAMAGUCHI

IPC: F01L1/24 ,  F01L1/46

CPC classification number: F01L1/24 ,  F01L1/18 ,  F01L1/462 ,  F01L13/0005 ,  F01L13/0036 ,  F01L2001/186 ,  F01L2105/00

Abstract: A variable valve mechanism includes an input arm that axially supports a roller pressed by a cam, via a roller pin, an output arm that drives a valve when swinging, a switch device that switches the variable valve mechanism between a coupled state where the both arms are coupled and an uncoupled state where the arms are uncoupled from each other, and a lost motion spring that biases the roller against the cam when in the uncoupled state. The lost motion spring includes an extended portion extending in an inter-arm clearance between the input arm and the output arm. An end of the roller pin projects from the input arm into the inter-arm clearance by such a length that the end is accommodated in the inter-arm clearance and that allows a spring retaining portion to be formed in the end. The spring retaining portion is formed in the end.

公开(公告)号：US20170145870A1

公开(公告)日：2017-05-25

申请号：US15347183

申请日：2016-11-09

Applicant: OTICS CORPORATION

Inventor： Hiroyuki SUZUKI ,  Kyosuke SUGIURA ,  Haruyasu TANAKA

IPC: F01L1/24 ,  F01M9/10

CPC classification number: F01L1/2416 ,  F01L1/185 ,  F01L1/2405 ,  F01L1/46 ,  F01L2105/00 ,  F01M9/10

Abstract: A lash adjuster includes a bottomed cylindrical body and a cylindrical plunger reciprocably inserted into the body and having a bottom wall and a peripheral wall. The plunger has a low-pressure chamber. The peripheral wall of the plunger includes an annular band portion abutting against an upper part of a peripheral wall of the body. The peripheral wall of the plunger has a plurality of plunger oil holes located below the band portion. The plunger oil holes include respective lower ends defining a level of the oil stored in the low-pressure chamber. The plurality of plunger oil holes are located at a common height position of the peripheral wall of the plunger coming close to the band portion.

公开(公告)号：US20140224202A1

公开(公告)日：2014-08-14

申请号：US14175610

申请日：2014-02-07

Applicant: OTICS CORPORATION

Inventor： Hiroyuki SUZUKI ,  Hideki OKA ,  Kiyoshi MASEGI

IPC: F01L1/24

CPC classification number: F01L1/24 ,  F01L1/2405 ,  F01L1/255 ,  F01L2001/2427 ,  F01L2001/256

Abstract: A lash adjuster includes a body, a plunger which is inserted into the body and has a bottom wall with a valve hole and a peripheral wall having an oil passage hole and an inner periphery formed with a recessed groove, the plunger defining a high-pressure chamber between the bottom wall and the body, and a partitioning member inserted into the plunger. The partitioning member has an oil passage end located above the oil passage hole. The partitioning member has an oil-passage defining portion located opposite the recessed groove and defining an oil passage between itself and a groove face of the recessed groove. The partitioning member defines a low-pressure chamber inside. The low-pressure chamber reserves a hydraulic fluid flowing through the oil passage hole, the oil passage and the oil passage end. The low-pressure chamber causes the reserved hydraulic fluid to flow through the valve hole into the high-pressure chamber.

Abstract translation: 间隙调节器包括主体，柱塞，其插入到主体中并且具有带有阀孔的底壁和具有油通道孔的周壁和形成有凹槽的内周，柱塞限定高压 在底壁和主体之间的腔室以及插入柱塞中的分隔构件。 分隔构件具有位于油通孔上方的油路端。 分隔构件具有与凹槽相对设置的油通道限定部分，并且在其自身和凹槽的凹槽面之间限定油通道。 分隔构件在内部限定低压室。 低压室保留流过油通孔，油路和油路端的液压流体。 低压室使保留的液压流体通过阀孔流入高压室。