公开(公告)号：US20230246519A1

公开(公告)日：2023-08-03

申请号：US18002727

申请日：2021-06-18

Applicant: KYB Corporation

Inventor： Kenji SUZUKI ,  Keita MATSUZAKA ,  Jun SUZUKI

IPC: H02K7/116 ,  F16H1/46 ,  F16D1/02

CPC classification number: H02K7/116 ,  F16H1/46 ,  F16D1/02

Abstract: In a transmission-equipped motor, a spline portion is formed at an end portion of a drive shaft of a transmission, and a spline hole with which the spline portion is engaged is formed on an end surface of a motor shaft of a hydraulic motor. A snap ring which contacts an end surface of the motor shaft having the spline hole is provided on an outer periphery of the drive shaft having the spline portion so that the snap ring positions the motor shaft and the drive shaft.

公开(公告)号：US20230193930A1

公开(公告)日：2023-06-22

申请号：US17996274

申请日：2021-04-06

Applicant: KYB Corporation

Inventor： Tomokazu NAKANO ,  Daisuke TANAKA ,  Yuuzou MASUTA

IPC: F15B11/10 ,  F15B13/00 ,  F15B15/14 ,  F04B17/03

CPC classification number: F15B11/10 ,  F15B13/00 ,  F15B15/14 ,  F04B17/03

Abstract: An electric fluid pressure cylinder is provided with: a driving unit integrally provided with an electric motor, a pump configured to discharge working oil by being driven by the electric motor, and a tank; a hydraulic cylinder configured to be extended and contracted by the working oil supplied from the driving unit; and a first hose pipe and a second hose pipe configured to guide the working oil between the driving unit and the hydraulic cylinder. The driving unit is further provided with: a valve block configured to control the flow of working fluid between the fluid pressure cylinder and the pump; and a connecting plate attached to the valve block and formed with a connecting port to which the pipe member is connected, the connecting port being configured such that the working fluid supplied to and discharged from the fluid pressure cylinder passes through the connecting port.

公开(公告)号：US11655875B2

公开(公告)日：2023-05-23

申请号：US16968074

申请日：2019-02-12

Applicant: KYB Corporation

Inventor： Yoshifumi Kobayashi ,  Tomoyasu Abe ,  Yuusuke Furuta

IPC: F16F9/34 ,  F16F9/18 ,  B60G13/08 ,  B60G17/08 ,  F16F9/348 ,  F16F9/516 ,  F16K15/14 ,  F16K27/02

CPC classification number: F16F9/348 ,  F16F9/185 ,  F16F9/3488 ,  F16F9/516 ,  F16K15/148 ,  F16K27/0209 ,  B60G13/08 ,  B60G17/08 ,  B60G2202/24 ,  B60G2206/41 ,  B60G2500/11 ,  B60G2600/21 ,  B60G2800/162 ,  F16F9/187 ,  F16F2222/12 ,  F16F2228/066 ,  F16F2232/08 ,  F16F2234/02

Abstract: A damping valve includes a valve seat member, a first valve element stacked on the valve seat member, a second valve element provided between an inner circumference valve seat of the valve seat member and the first valve element, the second valve element being configured to open and close a hole of the first valve element, and a biasing member configured to bias the first valve element towards the second valve element, wherein a surface of the second valve element on an opposite side from the valve seat member is higher than the outer circumference valve seat of the valve seat member.

公开(公告)号：US11644031B2

公开(公告)日：2023-05-09

申请号：US17283668

申请日：2019-10-29

Applicant: KYB Corporation

Inventor： Yusuke Ohmori ,  Tomoyuki Nakagawa ,  Masamichi Sugihara ,  Atsumi Takahashi ,  Satoshi Watanabe

IPC: F04C2/344 ,  F04C14/04 ,  F01C21/10 ,  F04C15/06

CPC classification number: F04C2/3446 ,  F01C21/108 ,  F04C14/04 ,  F04C15/06 ,  F04C2240/30 ,  F04C2250/102

Abstract: A vane pump includes: a rotor; vanes freely slidably received in the rotor; a cam ring having a cam face with which the vanes come into sliding contact; a side member having a sliding contact surface with which side surfaces of the rotor and the vanes come into sliding contact; pump chambers; and a discharge port configured to guide working fluid discharged from the pump chambers. The side member has a guide surface that is provided on an end portion side of the opening portion, the guide surface being configured to push the end portions of the vanes upward and guide them toward the sliding contact surface of the side member as the rotor is rotated in the reverse rotation direction.

公开(公告)号：US20230122543A1

公开(公告)日：2023-04-20

申请号：US17906233

申请日：2021-03-11

Applicant: KYB Corporation

Inventor： Hiroaki KUBOI ,  Tetsuya IWANAJI

IPC: F04B1/324 ,  F04B1/2078

Abstract: A piston pump includes: a first biasing mechanism configured to bias a swash plate in accordance with control pressure supplied; a second biasing mechanism configured to bias the swash plate against the first biasing mechanism; and a regulator configured to control the control pressure in accordance with self-pressure of the piston pump. The regulator has: an outer spring and an inner spring configured to be extended and compressed by following tilting of the swash plate; a control spool configured to be moved in accordance with biasing forces exerted by the outer spring and the inner spring, the control spool being configured to adjust the control pressure; an auxiliary spring configured to exert biasing force to the control spool against the biasing forces exerted by the outer spring and the inner spring; and an adjusting mechanism configured to adjust the biasing force exerted by the auxiliary spring.

公开(公告)号：US20230067151A1

公开(公告)日：2023-03-02

申请号：US17760351

申请日：2021-01-27

Applicant: KYB Corporation

Inventor： Kenta KURIHARA

IPC: B60G15/06

Abstract: A spring guide includes: a main body portion of which a coil spring is placed on a vehicle side, the main body portion being formed of a resin material; and a covering portion that covers an anti-spring side of the main body portion opposite to the coil spring. The covering portion is formed of a material having a physical property different from that of the resin material forming the main body portion.

公开(公告)号：US20230011239A1

公开(公告)日：2023-01-12

申请号：US17756861

申请日：2020-10-13

Applicant: KYB Corporation

Inventor： Tsuyoshi HIRONAKA ,  Midori NAGASHIMA ,  Ken TSUKUI ,  Kazuya MUROTA

IPC: B60R16/08 ,  F15B11/17

Abstract: A working fluid supply system is provided with: a first oil pump and a second oil pump driven by an engine; a switching valve configured to cause a discharge passage of the second oil pump to communicate with at least one of a supply passage and a first drain passage; and a controller configured to switch the switching valve. The controller is configured to switch the switching valve by spending a switching time that is set in accordance with a degree of pressure variation predicted to be caused in the supply passage when the switching valve is switched instantaneously.

公开(公告)号：US11536348B2

公开(公告)日：2022-12-27

申请号：US16638472

申请日：2018-07-24

Applicant: KYB Corporation

Inventor： Takaya Yagyu

IPC: F16H1/16 ,  F16H57/022 ,  B62D5/04 ,  F16H57/021

Abstract: A power steering device includes a bearing rotatably supporting the tip side of a worm shaft, a gear case provided with the housing hole for housing the worm shaft and a holder housing the bearing. The holder includes a first holder holding the bearing, a second holder having the guide part configured to guide a movement of the second bearing toward a worm wheel, and a spring provided in a compressed state between the first holder and the second holder and configured to bias the first holder toward the worm wheel. The second holder includes a holder opening part configured to allow the bearing and the first holder to pass through thereof in the guiding direction of the guide part to guide the bearing, and the first holder faces an inner peripheral surface of the housing hole through the holder opening part.

公开(公告)号：US11536346B2

公开(公告)日：2022-12-27

申请号：US16976695

申请日：2019-03-08

Applicant: KYB Corporation

Inventor： Gai Cho ,  Naoki Kubota ,  Masahiro Miwa

IPC: F16F9/36 ,  F16F9/19 ,  F16F9/06 ,  B60G13/08 ,  F16F9/58

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：US11522407B2

公开(公告)日：2022-12-06

申请号：US16616123

申请日：2018-06-19

Applicant: KYB CORPORATION

Inventor： Sayaka Ueno ,  Yuu Eguchi ,  Syun Matsuda

IPC: H02K5/24 ,  H02K11/33 ,  H02K11/01 ,  H02K5/173 ,  H02K5/22 ,  H02K7/08 ,  H02K21/14 ,  B62D5/04 ,  H02K3/50 ,  H05K7/14 ,  H05K7/20

Abstract: [Object] To provide an electronic apparatus capable of inhibiting a failure due to dropping of a screw from occurring.
[Solving Means] An electronic apparatus 100 according to an embodiment of the present invention includes: a casing 10; a cover portion (case cover 20); a circuit board 22; a screw member 80; and a facing member (holding member 60). The cover portion has a first surface and a second surface and is to be attached to an opening portion 11 of the casing 10, the first surface including a screw hole 203 and facing the casing 10, the second surface being opposite to the first surface. The circuit board 22 is to be disposed on the first surface. The screw member 80 includes a head portion 81 and a shank 82 and fixes the circuit board 22 to the cover portion, the head portion 81 engaging with the circuit board 22, the shank 82 including a groove 82s and passing through the circuit board 22, the groove 82s being screwed into the screw hole 203. The facing member is to be disposed inside the casing 10 and faces the head portion 81 with a distance (L1) smaller than a length (L2) of the shank 82.