公开(公告)号：US20230150573A1

公开(公告)日：2023-05-18

申请号：US17845085

申请日：2022-06-21

Applicant: SEWON E&C Co., Ltd.

Inventor： Sung Min HAN ,  Jung Woo SHIN ,  Chung Mok YOO ,  Ji Woong KIM ,  Min Seong KIM

IPC: B62D6/00 ,  B62D5/14 ,  B62D5/06

CPC classification number: B62D6/002 ,  B62D5/14 ,  B62D5/064 ,  B62D6/001

Abstract: A hydraulic auxiliary axle steering control system is provided. In detail, there is provided a hydraulic auxiliary axle steering control system that can perform quick, precise, and safe control by changing an auxiliary axle steering control angle in accordance with a vehicle speed to problems with instability of driving, wear of tires, and a turning radius when a vehicle is driven at a low speed.

公开(公告)号：US11511798B2

公开(公告)日：2022-11-29

申请号：US17042364

申请日：2019-05-16

Applicant: Danfoss Power Solutions ApS

Inventor： Mogens Frederiksen ,  Poul Ennemark ,  Casper Mikael Olesen ,  Niels Arbjerg ,  Charles Anthony Bates

IPC: B62D5/08 ,  B62D5/093 ,  B62D5/14

Abstract: A hydraulic steering unit includes a pressure port connected to a main flow path and a tank port connected to a tank flow path, and a working port arrangement having left and right working flow paths. A first bridge arrangement has first left and first right orifices connected to the main flow path and to first left or first right connecting points, respectively, each connecting point associated respectively with the left or right working flow paths, and second left and second right orifices connected to the tank flow path and to the first left or first right connecting points, respectively. A second bridge arrangement has a similar orifice arrangement connected to second left or second right connecting points. The first and second bridge arrangements have different steering characteristics. Selection means for connecting one of the bridge arrangements between the pressure port and the working port arrangement are provided.

公开(公告)号：US20180319432A1

公开(公告)日：2018-11-08

申请号：US15970344

申请日：2018-05-03

Applicant: Danfoss Power Solutions ApS

Inventor： Niels Arbjerg ,  Charles Anthony Bates ,  Poul Ennemark ,  Mogens Frederiksen ,  Casper Mikael Olesen

IPC: B62D5/065 ,  B62D5/08 ,  B62D5/14

CPC classification number: B62D5/065 ,  B62D5/08 ,  B62D5/093 ,  B62D5/14

Abstract: A hydraulic steering unit (1) is described comprising a supply port arrangement having a pressure port (8) connected to a main flow path (6) and a tank port (T) connected to a tank flow path (7), a working port arrangement having a left working port (L) connected to a left working flow path (9) and a right working port (R) connected to a right working flow path (10), a bridge arrangement (14) of variable orifices having a first left orifice (A2L) connected to the main flow path (6) and to the left working flow path (9), a first right orifice (A2R) connected to the main flow path (6) and to the right working flow path (10), a second left orifice (A3L) connected to the left working flow path (9) and to the tank flow path (7), and a second right orifice (A3R) connected to the right working flow path (10) and to the tank flow path (7). Such a hydraulic steering unit should allow comfortable steering. To this end a measuring motor arrangement is arranged in one of the left working flow path (9) and the right working flow path (10), the measuring motor arrangement (15) having a first measuring motor (16) and a second measuring motor (17).

公开(公告)号：US20180319430A1

公开(公告)日：2018-11-08

申请号：US15970297

申请日：2018-05-03

Applicant: Danfoss Power Solutions ApS

Inventor： Niels Arbjerg ,  Charles Anthony Bates ,  Poul Ennemark ,  Mogens Frederiksen ,  Casper Mikael Olesen

IPC: B62D5/065 ,  B62D5/08 ,  B62D5/14

CPC classification number: B62D5/065 ,  B62D5/08 ,  B62D5/093 ,  B62D5/14

Abstract: A hydraulic steering unit (1) is described, said hydraulic steering unit (1) comprising a supply port arrangement having a pressure port (P) connected to a main flow path (3) and a tank port (T) connected to a tank flow path (4), a working port arrangement having a left working port (L) connected to a left working flow path (5) and a right working port (R) connected to a right working flow path (6), a bridge arrangement (14) of variable orifices having a first left orifice (A2L) connected to the main flow path (3) and to the left working flow path (5), a first right orifice (A2R) connected to the main flow path (3) and to the right working flow path (6), a second left orifice (A3L) connected to the left working flow path (5) and to the tank flow path (4), and a second right orifice (A3R) connected to the right working flow path (6) and to the tank flow path (4). Such a hydraulic steering unit should be operated together with a pressure source of fixed displacements. To this end an idle flow path (15) branches off the main flow path (3), wherein a variable idle orifice (An) is arranged in the idle flow path (15), the idle orifice (An) being open in neutral position and closing out of neutral position.

公开(公告)号：US09821835B2

公开(公告)日：2017-11-21

申请号：US14426807

申请日：2013-07-16

Applicant: Microelectronica Maser, S.L.

Inventor： Francisco Ferrer-Dalmau Nieto ,  Francisco Javier Vicandi Unanue ,  Carlos Javier Iriondo Arrizabalaga ,  Jesus Maria Iriondo Arrizabalaga

IPC: B62D5/04 ,  B62D5/26 ,  B62D5/14 ,  B62D7/14 ,  B60G15/02

CPC classification number: B62D5/0418 ,  B60G3/06 ,  B60G15/02 ,  B60G2200/44 ,  B60G2204/4191 ,  B60G2300/50 ,  B62D5/26 ,  B62D7/146

Abstract: Steering boxes currently available on the market in order to convert the rotation of the steering wheel into the angular rotation of the wheels are not suitable to be partially built into the rim of the wheels of an electric car. In addition, existing boxes do not allow the independent rotation of the wheels or wide turning radii. These limitations are overcome using a system comprising: a body into which at least one motor is built using corresponding supports, which motor(s) actuate(s) the steering rotation axle of each steered wheel in the upper part of the body, and, in the lower part, a transmission gearbox and a stationary circular crown gear with which driving pinions mesh, said pinions rotating about the crown gear, thereby rotating the entire body and the rotation axle of the wheel built into the body together with suitable means.

公开(公告)号：US09669675B2

公开(公告)日：2017-06-06

申请号：US15040555

申请日：2016-02-10

Applicant: AGCO Corporation

Inventor： James Slawson

IPC: B60G17/00 ,  B60G17/015 ,  B60G17/005 ,  B60G3/01 ,  B62D5/14 ,  B62D7/06

CPC classification number: B60G17/015 ,  B60G3/01 ,  B60G17/005 ,  B60G2200/44 ,  B60G2202/152 ,  B60G2202/41 ,  B60G2204/4232 ,  B60G2204/424 ,  B60G2204/46 ,  B60G2300/08 ,  B60G2500/30 ,  B62D5/14 ,  B62D7/06

Abstract: An assembly for supporting a vehicle chassis on a wheel of the vehicle includes a frame pivotably connected to the vehicle chassis at a connection location and a wheel attachment component slidingly coupled with the frame. The wheel attachment component is positioned on a first side of the connection location and is configured to pivot in unison with the frame and to move between a plurality of operating positions relative to the frame. A suspension component regulates motion transfer between the frame and the attachment component and is positioned on a second side of the connection location opposite the attachment component. An adjustment actuator is configured to shift the attachment component between any of the plurality of operating positions relative to the frame. The adjustment actuator is functionally independent of the suspension component.

公开(公告)号：US20160152260A1

公开(公告)日：2016-06-02

申请号：US14872085

申请日：2015-09-30

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Jin Seok BANG

IPC: B62D5/065 ,  B62D5/18 ,  B62D5/14

CPC classification number: B62D5/065 ,  B62D5/14

Abstract: An electrohydraulic power steering system includes a sensor for detecting steering information, a motor pump unit generating a hydraulic pressure for assisting steering power depending on a driver's steering wheel operation, and a hydraulic cylinder driven with the hydraulic pressure supplied from the motor pump unit to assist the steering power. A control method of the electrohydraulic power steering system includes acquiring steering angle information depending on the driver's steering operation and information on a steering torque applied through a steering wheel at the time of operating the steering wheel; determining a target steering torque depending on the acquired steering angle; and variably controlling a motor rotational speed of the motor pump unit so that the steering torque acquired through the sensor satisfies the target steering torque.

Abstract translation: 一种电液动力转向系统，包括用于检测转向信息的传感器，产生用于根据驾驶员方向盘操作来辅助转向力的液压的电动机单元以及由所述电动泵单元供应的液压驱动的液压缸，以辅助 转向力。 电动液压动力转向系统的控制方法包括根据驾驶员的转向操作获取转向角信息，以及在操作方向盘时通过方向盘施加的转向扭矩的信息; 根据所获取的转向角确定目标转向转矩; 并且可变地控制电动机泵单元的电动机转速，使得通过传感器获取的转向转矩满足目标转向转矩。

公开(公告)号：US20150041239A1

公开(公告)日：2015-02-12

申请号：US14145122

申请日：2013-12-31

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Young Seol Choi

IPC: B62D5/06 ,  B62D5/08 ,  B62D5/14 ,  B62D5/065

CPC classification number: B62D5/065 ,  B62D5/06

Abstract: An electro-hydraulic power steering apparatus for an environment-friendly vehicle and a method of controlling the same is provided. In particular, a gear box assists in a steering force of a steering wheel, and a reservoir tank stores hydraulic oil therein. An electro-hydraulic power pump pumps the hydraulic oil via an electric motor to supply the hydraulic oil to the gear box. A first valve is mounted to a hydraulic line through which the hydraulic oil flows from the electro-hydraulic power pump to the gear box, and a second valve is mounted to a hydraulic line through which the hydraulic oil returns from the gear box to the reservoir tank.

Abstract translation: 提供了一种用于环境友好车辆的电液动力转向装置及其控制方法。 特别地，齿轮箱有助于方向盘的转向力，并且储油罐储存液压油。 电动液压动力泵通过电动机泵送液压油，以将液压油供应​​到齿轮箱。 第一阀被安装到液压管线，液压油通过该液压管线从电动液压动力泵流到齿轮箱，第二阀安装在液压管路上，液压油路通过该液压管路从齿轮箱返回到油箱 坦克。

公开(公告)号：US20080017437A1

公开(公告)日：2008-01-24

申请号：US11779409

申请日：2007-07-18

Applicant: Masakazu Kurata

Inventor： Masakazu Kurata

IPC: B62D5/14 ,  F04C2/10

CPC classification number: B62D5/064 ,  B62D5/065 ,  F04C2/086 ,  F04C2/102 ,  F04C2230/602

Abstract: An internal gear pump has a first port opening into pumping chambers and provided at one side with respect to a first axis interconnecting a confinement portion of the pumping chambers having a maximum volumetric capacity and a deeply-meshed-engagement portion of the pumping chambers having a minimum volumetric capacity, a second port opening into the pumping chambers and provided at the opposite side with respect to the first axis, a first pressure introduction passage intercommunicating the first port and a first-port side area of a clearance space defined on an outer periphery of an outer rotor, and a second pressure introduction passage intercommunicating the second port and a second-port side area of the clearance space. The clearance space of a direction of a second axis perpendicular to the first axis is dimensioned to be greater than the clearance space of a direction of the first axis.

Abstract translation: 内齿轮泵具有通向泵送室的第一端口，并且相对于使具有最大容积的泵送室的限制部分和泵送室的深啮合部分互相连接的第一轴线设置在第一端口， 最小体积容量，相对于第一轴线相对设置在泵送室中的第二端口，将第一端口与限定在外周上的间隙空间的第一端口侧区域连通的第一压力引入通道 以及将第二端口和间隙空间的第二端口侧区域相互连通的第二压力引入通道。 垂直于第一轴的第二轴的方向的间隙空间的尺寸设定为大于第一轴的方向的间隙空间。

公开(公告)号：US6029560A

公开(公告)日：2000-02-29

申请号：US45782

申请日：1998-03-20

Applicant: Masayoshi Yamaguchi

Inventor： Masayoshi Yamaguchi

IPC: B62D5/10 ,  B62D5/083 ,  B62D5/14 ,  F15B9/10

CPC classification number: B62D5/14 ,  B62D5/083

Abstract: A compact and inexpensive fluid pressure operated torque amplifier and a power steering system incorporating such torque amplifier to eliminate the need for a separate return fluid conduit. The power steering system (10) includes a fluid pressure operated torque amplifier (12), a reduction gear unit (16) disposed within a cavity (53) of a transmission casing (14), and a steering linkage (20) for wheels. The torque amplifier includes a control valve assembly (24) disposed in a housing (22), a torque amplifier unit (32), a high torque drive shaft (58) and an output shaft (54). The output shaft of the torque amplifier serves as an input member of the reduction gear unit. The torque amplifier also includes a pressurized fluid inlet (78) provided in the housing and a return fluid outlet (61) provided in the output shaft (54), both the inlet and outlet being in communication with the cavity of the transmission casing.

Abstract translation: 紧凑而廉价的流体压力操作的扭矩放大器和包含这种扭矩放大器的动力转向系统，以消除对单独的返回流体管道的需要。 动力转向系统（10）包括流体压力操作的扭矩放大器（12），设置在变速器壳体（14）的空腔（53）内的减速齿轮单元（16）和用于车轮的转向连杆（20）。 扭矩放大器包括设置在壳体（22）中的控制阀组件（24），扭矩放大器单元（32），高扭矩驱动轴（58）和输出轴（54）。 扭矩放大器的输出轴用作减速齿轮单元的输入构件。 扭矩放大器还包括设置在壳体中的加压流体入口（78）和设置在输出轴（54）中的回流流体出口（61），入口和出口都与变速器壳体的空腔连通。