公开(公告)号：US11231033B2

公开(公告)日：2022-01-25

申请号：US16611982

申请日：2018-04-25

Applicant: KYB Corporation

Inventor： Masamichi Sugihara

IPC: F03C2/00 ,  F03C4/00 ,  F04C18/00 ,  F04C2/00 ,  F04C2/344 ,  F01C21/10 ,  F04C15/00

Abstract: A cartridge vane pump includes a rotor, a plurality of vanes, a cam ring, a side member brought into contact with a first end surface of the cam ring, a cover member brought into contact with a second end surface of the cam ring, the cover member being attached to the body, and a linkage member provided to extend between the side member and the cover member over an outer circumferential surface of the cam ring, the linkage member being configured to link the side member and the cover member.

公开(公告)号：US20210285430A1

公开(公告)日：2021-09-16

申请号：US16316131

申请日：2017-03-31

Applicant: KYB Corporation

Inventor： Tetsuya IWANAJI ,  Masaya ABE ,  Takeshi KODAMA

IPC: F04B1/2078 ,  F04B53/16 ,  F04B53/14

Abstract: A swash-plate type piston pump includes a cylinder block configured to be rotated with rotation of a driving shaft, a plurality of pistons accommodated in a plurality of cylinders provided in the cylinder block, a swash plate configured to reciprocate the piston so that a volume chamber of the cylinder is expanded/contracted with the rotation of the cylinder block, an biasing mechanism configured to bias the swash plate in a direction where a tilting angle is made larger, a control pin configured to drive the swash plate in a direction where the tilting angle is made smaller in accordance with a rise in a load pressure of a pressure chamber, and a discharge channel configured to discharge the load pressure of the pressure chamber.

公开(公告)号：US11043881B2

公开(公告)日：2021-06-22

申请号：US16651150

申请日：2018-08-27

Applicant: KYB CORPORATION

Inventor： Yuu Eguchi

IPC: H05K7/00 ,  H05K5/00 ,  H02K11/30 ,  H05K7/14

Abstract: A component-mounting device according to an embodiment of the present invention includes a component-mounting board, a connector component, a heat sink, and a first screw portion. The component-mounting board includes a first surface and a second surface opposite to the first surface. The connector component includes a plurality of terminal-fixing portions that fixes a terminal extending in one axis direction orthogonal to the first surface and a base portion that connects between the plurality of terminal-fixing portions and includes an opening portion, the connector component being provided on the first surface. The heat sink faces the second surface and includes a first screw seat that faces the base portion in the one axis direction with the component-mounting board interposed between the first screw seat and the base portion. The first screw portion is disposed inside the opening portion and is engaged with the first screw seat through the component-mounting board.

公开(公告)号：US20210140507A1

公开(公告)日：2021-05-13

申请号：US16976695

申请日：2019-03-08

Applicant: KYB Corporation

Inventor： Gai CHO ,  Naoki KUBOTA ,  Masahiro MIWA

IPC: F16F9/36 ,  F16F9/58 ,  F16F9/19

Abstract: A shock absorber includes a bearing unit having a bearing and a bearing holding member, and a seal unit having a seal member and a seal holding member. The seal holding member includes a seal accommodating portion being configured to accommodate the seal member, and an insertion hole through which a piston rod is inserted. The seal member is pressed against an outer circumferential surface of the piston rod and the seal accommodating portion by working-fluid pressure in the extension-side chamber. And the bearing is provided such that a first end surface of the bearing facing the seal member matches an aperture plane of a through hole of the bearing holding member or such that the first end surface of the bearing projects out from the aperture plane of the through hole.

公开(公告)号：US20210131517A1

公开(公告)日：2021-05-06

申请号：US17088748

申请日：2020-11-04

Applicant: KYB Corporation ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Takeshi YASUI ,  Kazuyuki MIZUNO

IPC: F16F9/348 ,  F16F9/32

Abstract: A damping valve includes: a ring-shaped leaf valve having either one of an outer circumference and an inner circumference as a free end, the free end being allowed to be deflected toward both sides in the axial direction; a ring-shaped opposing portion that opposes the free end of the leaf valve with a gap; a first sub leaf valve stacked on one side of the leaf valve in the axial direction; and a first passage formed in the leaf valve so as to extend in parallel with the gap, the first passage being configured to be opened when the leaf valve is deflected in the direction away from the first sub leaf valve.

公开(公告)号：US10969026B2

公开(公告)日：2021-04-06

申请号：US16755003

申请日：2019-05-15

Applicant: KYB Corporation

Inventor： Akio Matsuura

IPC: F16K11/07 ,  F16K3/24 ,  E02F9/02 ,  F16K31/122 ,  G05D7/01

Abstract: In a valve device, travel control valve unit has a communication path causing the lead-out passages of the left and right travel control valve units to communicate with each other, and a spool has a lead-out side land portion configured to cause communication or shut-off of the communication between the lead-out passage and the communication path, a discharge-side land portion configured to cause communication or shut-off of the communication between the actuator passage and the discharge passage, a discharge portion configured to discharge a part of the working fluid led from the supply passage to the lead-out passage to the discharge passage at a movement initial stage of the spool, and a communication portion configured to cause the lead-out passage and the communication path to communicate with each other at a movement final stage of the spool.

公开(公告)号：US20210033554A1

公开(公告)日：2021-02-04

申请号：US16639443

申请日：2018-05-14

Applicant: KYB Corporation

Inventor： Yukinori KAMEDA ,  Takahiro YOSHIDA

IPC: G01N27/07 ,  G01N27/22

Abstract: A fluid-property detection device includes a housing attached to the external device, the housing being configured to hold the outer electrode and the inner electrode, an outer insulating member provided between the housing and the outer electrode, the outer insulating member being configured to insulate between the housing and the outer electrode, and an inner insulating member provided between the outer electrode and the inner electrode, the inner insulating member being configured to insulate between the outer electrode and the inner electrode, being configured to insulate between the housing and the inner electrode. The outer electrode and the inner electrode respectively have tip end portions, the tip end portions projecting out from the housing and being configured to expose to the detection target fluid contained in the external device.

公开(公告)号：US20200340210A1

公开(公告)日：2020-10-29

申请号：US16757163

申请日：2019-07-03

Applicant: KYB Corporation

Inventor： Kosuke KATSURA ,  Kenji SUZUKI ,  Hiroaki KUBOI

IPC: E02F9/22

Abstract: In an anti-reverse valve, a first communication passage that allows the first supply and discharge passage to communicate with the first pressure chamber and a second communication passage that allows the second supply and discharge passage to communicate with the second pressure chamber are provided inside the spool, a first restrictor is provided in the first communication passage, a second restrictor is provided in the second communication passage, and a first annular groove that allows the first supply and discharge passage to communicate with the drain passage when the spool is placed at the first communication position and a second annular groove that allows the second supply and discharge passage to communicate with the drain passage when the spool is placed at the second communication position are provided in an outer periphery of the spool.

公开(公告)号：US10794380B2

公开(公告)日：2020-10-06

申请号：US16307275

申请日：2017-05-23

Applicant: KYB Corporation

Inventor： Yuki Sakai ,  Tetsuya Iwanaji

IPC: F04B49/20 ,  F04B49/12 ,  F04B49/22 ,  F15B11/05 ,  F15B11/00 ,  F15B11/02

Abstract: A pump device includes a variable capacity first pump, a tilt actuator that controls a tilt angle of a swash plate of the first pump in accordance with the control pressure, a regulator that regulates the control pressure in accordance with a front-rear differential pressure of a control valve, a fixed capacity second pump driven by the same drive source as the first pump, the control actuator that operates in accordance with the front-rear differential pressure a resistor so as to drive the regulator to reduce the control pressure in response to an increase in the front-rear differential pressure of the resistor, an auxiliary passage that leads an auxiliary pressure to the control actuator, the auxiliary pressure acting on the control actuator against a upstream pressure of the resistor, and a switch valve that switches between connecting and shutoff the auxiliary passage.

公开(公告)号：US20200309088A1

公开(公告)日：2020-10-01

申请号：US16755024

申请日：2019-06-03

Applicant: KYB Corporation

Inventor： Kosuke KATSURA ,  Kenji SUZUKI

IPC: F03C1/00 ,  F16D55/40 ,  F16D65/28

Abstract: A brake system configured to brake a hydraulic motor includes a valve device configured to open and close supply passages through which working oil pressurized in a hydraulic pump is supplied to a brake device, the valve device has a first connection port to which the working oil is led from the hydraulic pump, a second connection port from which the working oil is led to the brake device, and a valve element provided with a pressure receiving surface facing the first connection port, and the valve element permits communication between the first connection port and the second connection port when pressure of the working oil led to the first connection port reaches predetermined pressure, and shuts off the communication between the first connection port and the second connection port when the pressure of the working oil led to the first connection port becomes less than the predetermined pressure.