公开(公告)号：US20190127955A1

公开(公告)日：2019-05-02

申请号：US16095464

申请日：2017-05-16

Applicant: KYB Corporation

Inventor： Masahiro EGAWA

IPC: E02F9/20 ,  F15B21/14 ,  E02F9/22

Abstract: A control system for a hybrid construction machine includes: a first main pump and a second main pump; a regeneration motor configured to rotationally drive by returned working oil; a motor generator coupled to the regeneration motor; an assist pump coupled to the regeneration motor and the motor generator; and a controller. The controller controls the assist pump or the motor generator such that the assist pump drive force is not more than the drive force limited value when an assist pump drive force is greater than a drive force limited value.

公开(公告)号：US20190116718A1

公开(公告)日：2019-04-25

申请号：US16092473

申请日：2017-01-27

Applicant: KYB Corporation

Inventor： Tatsuo ITO ,  Tooru MATSUURA

IPC: A01B63/10 ,  B66B1/34 ,  B66B1/40 ,  F15B13/02 ,  F15B21/08

Abstract: A lifting control device includes: a position acquisition portion configured to acquire an extended or contracted position of the hydraulic cylinder; a target setting portion configured to set a target position of the hydraulic cylinder; a control portion configured to control an energized amount of the solenoid valve; and an input judging portion configured to judge whether the operational input is an opening command to perform an opening control in which the solenoid valve is made to be fully open or is a positional control command to perform a positional control in which the solenoid valve is actuated according to an operation input amount to control the extended or contracted position of the hydraulic cylinder, wherein when the operational input is judged as the opening command by the input judging portion, the opening control is performed due to the non-integral type control by the control portion.

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：US20190072115A1

公开(公告)日：2019-03-07

申请号：US16091338

申请日：2017-06-02

Applicant: KYB Corporation

Inventor： Hiroki ISOGAI

IPC: F15B13/06 ,  G05D16/20

Abstract: A fluid pressure control device includes a first tank passage connecting first tank ports to each other, a second tank passage connecting second tank ports to each other, a connection passage connecting one end side of the first tank passage and one end side of the second tank passage and a discharge port provided on the other end side of the first tank passage and connected to a tank. A communication spool formed with a communication passage allowing communication between the first tank passage and the second tank passage is housed in at least one of a plurality of spool housing holes.

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：US20190051993A1

公开(公告)日：2019-02-14

申请号：US16078850

申请日：2017-01-11

Applicant: KYB Corporation

Inventor： Tarou MATSUMAE ,  Satoshi TAKEUCHI ,  Kenji KONDA

IPC: H01R4/02 ,  H01G4/228 ,  H01R4/70

Abstract: A busbar unit includes a busbar connected by welding to a connection terminal of a ceramic capacitor and a molding part formed of the molding resin to cover the busbar, the busbar includes a body part covered by the molding part and a terminal part projecting from the molding part and connected to the connection terminal of the ceramic capacitor, and the molding part is formed with a guide hole to guide the connection terminal of the ceramic capacitor to bring the connection terminal into contact with or into proximity to the terminal part.

公开(公告)号：US20190048902A1

公开(公告)日：2019-02-14

申请号：US16074481

申请日：2017-04-04

Applicant: KYB CORPORATION

Inventor： Norikazu OOKI

IPC: F15B20/00 ,  G01M3/04 ,  G01M3/38 ,  G01M3/28

Abstract: A liquid leakage detection device of the present invention includes a sensor unit and a determination unit. The sensor unit is configured to detect liquid between seals of a plurality of seals that are arranged aligned in an axial direction on an inner circumference of a shaft supporting member, which is an inner circumference of the shaft supporting member into which a shaft is movably inserted, to seal an outer circumference of the shaft. The determination unit is configured to determine whether or not liquid leaks, through detection of liquid by the sensor unit.

公开(公告)号：US10180172B2

公开(公告)日：2019-01-15

申请号：US15123317

申请日：2015-03-17

Applicant: KYB Corporation

Inventor： Shotaro Asaoka ,  Tsutomu Ozeki

IPC: F16F9/54 ,  F16F9/32 ,  B60G13/00 ,  B60G13/06 ,  F16F9/19

Abstract: A rotation lock is provided to a piston rod, a collar is fitted on a small-diameter portion disposed on an end portion on a side of the piston rod extending from a cylinder, and the collar is press-fitted onto a press-fitted portion disposed on the piston rod by a press-fitting jig screwed with an external thread formed on the small-diameter portion. The press-fitting jig adds an axial force to the collar.

公开(公告)号：US10180149B2

公开(公告)日：2019-01-15

申请号：US15120907

申请日：2015-02-25

Applicant: KYB Corporation

Inventor： Syota Mizukami ,  Takeshi Terao

IPC: F15B13/04 ,  F15B13/02 ,  F16K17/02 ,  F16K11/07 ,  F16K27/04

Abstract: A control valve device includes a valve body having an actuator port connected to an actuator and a relief passage configured to allow the actuator port to communicate with a return passage, a spool slidably assembled into the valve body and configured to allow the actuator port to selectively communicate with a supply side or a return side, a relief valve configured to open/close the relief passage to control pressure of the actuator port, and an on/off valve assembled into an assembling hole which is formed in the valve body. The on/off valve configured to allow the actuator port to communicate with the relief passage through the assembling hole at the time of valve open.