公开(公告)号：US20190078698A1

公开(公告)日：2019-03-14

申请号：US15742968

申请日：2016-10-25

Applicant: KYB CORPORATION

Inventor： Takayuki OGAWA

IPC: F16K27/02 ,  F16K17/06 ,  F16K27/08 ,  F16K31/02

Abstract: A solution to the problem in the present invention includes a housing (H) having a hollow portion (1), a first sleeve (2) and a second sleeve (3) inserted in series in the hollow portion (1), a first spool (4) housed in the first sleeve (2), and a second spool (5) housed in the second sleeve (3). Further, the second sleeve (3) has a positioning portion (3b) for positioning a position in the axial position with respect to the housing (H), a fixing portion (3d) to be fixed to the housing (H), and a spool hole (Sh) provided outside a range from the positioning portion (3b) to the fixing portion (3d).

公开(公告)号：US20190077425A1

公开(公告)日：2019-03-14

申请号：US16083237

申请日：2017-04-19

Applicant: KYB CORPORATION

Inventor： Takayuki OGAWA ,  Jun AOKI

IPC: B61F5/24 ,  F15B11/028 ,  F15B13/02 ,  F15B15/14 ,  F15B21/00

Abstract: A railway vehicle vibration damping device includes an actuator and a control unit controlling a pump and controls a rotation speed of the pump based on a vehicle speed of a railway vehicle.

公开(公告)号：US20190071104A1

公开(公告)日：2019-03-07

申请号：US16083586

申请日：2017-04-19

Applicant: KYB CORPORATION

Inventor： Takayuki OGAWA

IPC: B61F5/24 ,  F16F15/02 ,  G05B23/02

Abstract: A control soundness determination device according to the present invention includes: a sensor which detects a control amount of a plant with respect to a control input input to the plant; and a determination unit which determines control soundness based on a soundness index obtained by multiplying the control input by a differential value of the control amount.

公开(公告)号：US20180156214A1

公开(公告)日：2018-06-07

申请号：US15578522

申请日：2016-06-02

Applicant: KYB Corporation

Inventor： Takayuki OGAWA ,  Takuya KOUGE

IPC: F04C15/00 ,  F04C2/08 ,  F04C15/06 ,  F15B11/08

CPC classification number: F04C15/0003 ,  F04B9/02 ,  F04B53/14 ,  F04B53/16 ,  F04B53/18 ,  F04C2/084 ,  F04C2/18 ,  F04C15/0061 ,  F04C15/0076 ,  F04C15/008 ,  F04C15/0088 ,  F04C15/06 ,  F04C2210/206 ,  F04C2240/40 ,  F15B1/26 ,  F15B11/08 ,  F15B15/18 ,  F15B2211/3058 ,  F15B2211/7053

Abstract: There is provided a pump unit capable of shortening the overall length thereof and maintaining mechanical efficiency even after long-term use and also to provide an actuator having such a pump unit, the pump unit (U) includes a hydraulic pump (P), a motor (M), a coupling (8) coupling a drive shaft (2) of the hydraulic pump (P) and a shaft (7) of the motor (M), a holder (H) having a housing portion (L) that is hollow and houses the coupling (8), and an introduction passage (D) that guides the hydraulic oil to the housing part (L).

公开(公告)号：US20190126950A1

公开(公告)日：2019-05-02

申请号：US16094015

申请日：2017-04-19

Applicant: KYB CORPORATION

Inventor： Takayuki OGAWA

IPC: B61F5/24 ,  F16F15/023 ,  F16F9/46 ,  B60G17/08

Abstract: A semiactive damper of the present invention includes a cylinder, a rod movably inserted into the cylinder, a piston slidably inserted into the cylinder and comparting the interior of the cylinder into a rod-side chamber and a piston-side chamber, a tank, a suction passage permitting only flow of a hydraulic fluid from the tank to the piston-side chamber, a damping passage communicating the rod-side chamber with the tank or the rod-side chamber with the piston-side chamber, and a variable damping valve provided on the damping passage, and a detecting portion for detecting an expansion and contraction direction according to pressure in the piston-side chamber.

公开(公告)号：US20180148074A1

公开(公告)日：2018-05-31

申请号：US15570479

申请日：2016-06-02

Applicant: KYB Corporation

Inventor： Takayuki OGAWA

IPC: B61F5/24 ,  B60L1/00 ,  B60L3/00 ,  F15B20/00 ,  F15B15/20 ,  H02P3/18 ,  H02P27/06

CPC classification number: B61F5/24 ,  B60L1/003 ,  B60L3/0023 ,  B60L2200/30 ,  B60L2210/30 ,  F15B15/20 ,  F15B20/002 ,  F15B2015/206 ,  H02J1/00 ,  H02K33/04 ,  H02P3/18 ,  H02P27/06 ,  H02P29/025 ,  Y02T10/642

Abstract: There is provided an actuator control device and an actuator unit capable of returning to control of the actuator even when a power failure occurs. The actuator control device (C) of the present invention includes: a voltage sensor (40) that detects a voltage input to a drive circuit (D) that controls a motor (15) for driving an actuator (A), and a controller (41) that stops the motor (15) when the voltage detected by the voltage sensor (40) is equal to or less than a predetermined voltage threshold.

公开(公告)号：US20170218984A1

公开(公告)日：2017-08-03

申请号：US15310307

申请日：2015-03-20

Applicant: KYB CORPORATION

Inventor： Takayuki OGAWA

IPC: F15B15/14 ,  F16F9/18 ,  F15B15/18 ,  F16F9/32

CPC classification number: F15B15/1428 ,  F15B1/26 ,  F15B15/1433 ,  F15B15/149 ,  F15B15/18 ,  F16F9/185 ,  F16F9/32 ,  F16F9/3257 ,  F16F9/34

Abstract: An object is to provide a cylinder device which can be used successfully over a long period of time. The cylinder device includes a cylinder, a piston, an external cylinder, a tank and first piping. The piston is slidably inserted into the cylinder. The piston divides an interior of the cylinder into a rod-side chamber and a piston-side chamber. The external cylinder is disposed outside the cylinder and covers the cylinder. The tank is formed in a space between the cylinder and the external cylinder and stores an operating fluid. The first piping constitutes part of a first passage through which passes the operating fluid supplied to and discharged from the rod-side chamber or the piston-side chamber. The first piping has two ends one of which has a larger outer diameter than the other end. The first piping is disposed in the tank.

公开(公告)号：US20170067527A1

公开(公告)日：2017-03-09

申请号：US15122732

申请日：2015-02-25

Applicant: KYB CORPORATION

Inventor： Takayuki OGAWA

IPC: F16F9/34 ,  F16F9/18 ,  F16F9/36

CPC classification number: F16F9/34 ,  F16F9/185 ,  F16F9/32 ,  F16F9/36 ,  F16F9/43 ,  F16F9/437 ,  F16F2230/06

Abstract: A cylinder device includes a cylinder, an outer tube, a piston, a piston rod, a rod guide, a first common passage through which working oil that is supplied/discharged to/from a rod-side chamber passes, a pipe that forms a part of the first common passage and is provided in a reservoir tank, a pipe holder that is provided between the pipe and the rod guide and holds a first end of the pipe, and a plug that is provided on a side of the pipe holder opposite from the pipe and has a throttle passage allowing the first common passage to communicate with the reservoir tank.

Abstract translation: 气缸装置包括气缸，外管，活塞，活塞杆，杆引导件，第一公共通道，通过其向/从杆侧室供给/排出的工作油，形成管 第一通用通道的一部分并且设置在储存罐中，管保持器，其设置在管和杆引导件之间并保持管的第一端;以及塞，其设置在管支架的相对侧 并且具有允许第一公共通道与储存罐连通的节流通道。