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    Range of Rapid Couplers with Different Coupler Cartridges
    1.
    发明申请
    Range of Rapid Couplers with Different Coupler Cartridges 审中-公开

    公开(公告)号：US20200326024A1

    公开(公告)日：2020-10-15

    申请号：US16794640

    申请日：2020-02-19

    Applicant: Robert Bosch GmbH

    Inventor： Steffen Knapper ,  Frank Rieckhof ,  Tanja Ernstmeier

    IPC: F16L37/56 ,  F16L55/115 ,  F16L3/22

    Abstract: A range includes a plurality of rapid couplers with each rapid coupler including a coupler housing that has a planar connection face and two coupler cartridges secured in or on the coupler housing. All the coupler housings are configured integrally. All the coupler cartridges are each secured directly in or on the associated coupler housing. The rapid couplers each further include a first working connection, a second working connection, a plurality of securing apertures, and optionally a leakage oil connection all of which are configured in an identical manner with respect to their shape and their relative position inside the associated connection face. At least two rapid couplers of the range have different coupler cartridges. All coupler housings are configured to be arranged with respect to a longitudinal axis beside each other with a constant spacing separation that is identical for all rapid couplers of the range.

    Hydraulic valve with adjustable locking device
    4.
    发明授权
    Hydraulic valve with adjustable locking device 有权

    公开(公告)号：US10030788B2

    公开(公告)日：2018-07-24

    申请号：US15650435

    申请日：2017-07-14

    Applicant: Robert Bosch GmbH

    Inventor： Reiner Kunz ,  Christoph Keyl ,  Steffen Knapper

    IPC: F16K35/06 ,  F16K35/02 ,  F16K1/52 ,  F16K31/122

    Abstract: A hydraulic valve includes a sliding control member that delimits at least one constantly adjustable diaphragm. The sliding control member is configured to be moved in the direction of a longitudinal axis. The hydraulic valve further includes a locking device with a locking member that is configured to be moved counter to the force of a first spring transversely relative to the longitudinal axis. The hydraulic valve further includes at least one catch contour in which the locking member is configured to be engaged in such a positive-locking manner that the sliding control member is releasably retained in a catch position that is associated with the respective catch contour. The position of at least one catch contour is constantly adjustable in such a manner that the free cross-sectional surface-area of the at least one diaphragm is constantly adjustable in the associated catch position.

    Valve assembly with preloaded control oil return
    5.
    发明授权
    Valve assembly with preloaded control oil return 有权

    公开(公告)号：US12044323B2

    公开(公告)日：2024-07-23

    申请号：US18059560

    申请日：2022-11-29

    Applicant: Robert Bosch GmbH

    Inventor： Markus Grammer ,  Steffen Knapper

    IPC: F15B13/04 ,  F15B13/01 ,  F15B13/043 ,  F15B20/00 ,  F16K15/18

    CPC classification number: F16K15/1826 ,  F15B13/015 ,  F15B13/0435 ,  F15B20/005 ,  F15B2013/0409 ,  F15B2211/30525 ,  F15B2211/5156

    Abstract: A valve assembly includes a linearly moving main slider, a pilot valve, a control oil inlet, and a control oil return. The pilot valve is designed as a 4/3 proportional directional valve, via which a first end face and an opposite second end face of the main slider can be fluidly connected selectively to the control oil inlet or the control oil return so that the main slider (20) is hydraulically movable by adjusting the pilot valve. The pilot valve is electrically adjustable depending on a target current. A position sensor is provided, with which an actual position of the main slider can be measured. A positioner is provided, with which the actual position can be regulated by adjusting the target current to a predefinable target position. The pilot valve is connected to the control oil return via a check valve. The check valve only permits fluid flow from the pilot valve toward the control oil return. The check valve is preloaded to a closed position by means of a first spring so that it opens at a predetermined opening pressure. The leakages at the pilot valve from the control oil inlet toward the check valve are designed to be so large that if the pressure at the control oil inlet exceeds the opening pressure by at least 2 bar, the opening pressure of the check valve is present immediately upstream of the check valve.

    Method for Minimizing the Dither Hum on a Valve
    6.
    发明申请
    Method for Minimizing the Dither Hum on a Valve 有权

    公开(公告)号：US20230139395A1

    公开(公告)日：2023-05-04

    申请号：US18050638

    申请日：2022-10-28

    Applicant: Robert Bosch GmbH

    Inventor： Ingo Kallfass ,  Steffen Knapper ,  Reiner Kunz

    IPC: F15B13/04 ,  F16K31/06

    Abstract: A method is for operating a valve that includes a linearly movable control slide, at least one solenoid, and a position sensor. The linearly movable control slide is preloaded by at least one spring in a direction of a zero position. The at least one solenoid is coupled to the control slide in such a way that the control slide can be moved away from the zero position by application of current to the solenoid. The position sensor is configured to measure an actual instantaneous position of the control slide. Each solenoid is assigned a current control device configured to influence a current through the relevant solenoid based on an instantaneous current control variable. The instantaneous current control variable is dependent on a quasi-periodic dither current control variable. The method also includes calculating an actual dither amplitude from the actual instantaneous position using a band-pass filter.

    Valve Block having a Valve Assembly
    7.
    发明申请
    Valve Block having a Valve Assembly 有权
    具有阀组件的阀块

    公开(公告)号：US20150101676A1

    公开(公告)日：2015-04-16

    申请号：US14515099

    申请日：2014-10-15

    Applicant: Robert Bosch GmbH

    Inventor： Steffen Knapper

    IPC: G05D16/10

    CPC classification number: G05D16/106 ,  F15B11/165 ,  F15B13/0417 ,  F15B13/0817 ,  F15B2211/20546 ,  F15B2211/30535 ,  F15B2211/3127 ,  F15B2211/6051 ,  F15B2211/6054 ,  F15B2211/6055 ,  F15B2211/654 ,  F15B2211/7142 ,  Y10T137/2544

    Abstract: A valve block includes a plurality of control valve disks that form a first block part and a second block part. A supply pressure for the control valve disks of the first block part is limited by a common pressure-limiting valve. The common pressure-limiting valve is arranged such that a prevailing load pressure registered by the control valve disks does not exceed a specific value. The supply pressure for the control valve disks of the second block part is not limited.

    Abstract translation: 阀块包括形成第一块部分和第二块部分的多个控制阀盘。 第一块部件的控制阀盘的供给压力由公共限压阀限制。 普通的限压阀被布置成使得由控制阀盘记录的主要负载压力不超过特定值。 第二块部的控制阀盘的供给压力没有限制。

    Method for minimizing the dither hum on a valve
    8.
    发明授权
    Method for minimizing the dither hum on a valve 有权

    公开(公告)号：US12152610B2

    公开(公告)日：2024-11-26

    申请号：US18050638

    申请日：2022-10-28

    Applicant: Robert Bosch GmbH

    Inventor： Ingo Kallfass ,  Steffen Knapper ,  Reiner Kunz

    IPC: F16K31/06 ,  F15B13/04

    Abstract: A method is for operating a valve that includes a linearly movable control slide, at least one solenoid, and a position sensor. The linearly movable control slide is preloaded by at least one spring in a direction of a zero position. The at least one solenoid is coupled to the control slide in such a way that the control slide can be moved away from the zero position by application of current to the solenoid. The position sensor is configured to measure an actual instantaneous position of the control slide. Each solenoid is assigned a current control device configured to influence a current through the relevant solenoid based on an instantaneous current control variable. The instantaneous current control variable is dependent on a quasi-periodic dither current control variable. The method also includes calculating an actual dither amplitude from the actual instantaneous position using a band-pass filter.

    Hydraulic Coupling Bush
    9.
    发明申请
    Hydraulic Coupling Bush 有权

    公开(公告)号：US20220146025A1

    公开(公告)日：2022-05-12

    申请号：US17507238

    申请日：2021-10-21

    Applicant: Robert Bosch GmbH

    Inventor： Steffen Knapper ,  Frank Rieckhof ,  Markus Grammer ,  Reiner Kunz

    IPC: F16L29/00

    Abstract: A hydraulic coupling bush which is actuated in order to close or open the coupling includes a coupling housing and a bush body which displaceable therein and which has a plug space for receiving a coupling plug, a supply space for fluidic connection to an external supply channel, a low pressure space for fluidic connection to a pressure medium sink, and an interior space connected fluidically to the supply space, a supply seat valve device being provided, via the actuation of which a supply flow path can be configured between the supply space and the plug space, and a relief seat valve device being provided, via the mechanical actuation of which the interior space can be relieved of pressure toward the low pressure space, and via the hydraulic actuation of which, which is dependent on the pressure in the interior space, the pressure in the interior space can be limited.

    Quick Coupler having Lateral Actuating Levers
    10.
    发明申请
    Quick Coupler having Lateral Actuating Levers 有权

    公开(公告)号：US20210348360A1

    公开(公告)日：2021-11-11

    申请号：US17307631

    申请日：2021-05-04

    Applicant: Robert Bosch GmbH

    Inventor： Steffen Knapper ,  Frank Rieckhof ,  Tanja Ernstmeier

    IPC: E02F3/36

    Abstract: A quick coupler includes a housing in which a first and a second coupler cartridge are received. The spaced-apart center axes of the first and second coupler cartridges each run parallel to a vertical axis such that the center axes are contained in a common reference plane. The quick coupler further includes a first actuating lever and a second actuating lever for actuating the coupler cartridges. First and a second axes of rotation of the respective first and second actuating levers are oriented perpendicularly to the reference plane, and a first actuating arm and a second actuating arm are arranged to perpendicularly to the reference plane on opposite sides of the housing.

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