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    Print head comprising a micro-pneumatic control unit
    1.
    发明授权
    Print head comprising a micro-pneumatic control unit 有权

    公开(公告)号：US11612901B2

    公开(公告)日：2023-03-28

    申请号：US17232595

    申请日：2021-04-16

    Applicant: EXEL Industries SA

    Inventor： Burkhard Büstgens

    IPC: B05B1/32 ,  F16K99/00 ,  B41J2/14 ,  F04B43/04 ,  F04B13/00 ,  F04B7/02 ,  B41J2/175 ,  B41J2/045 ,  F04B7/00

    Abstract: A micro-pneumatic control unit comprising a plurality of control channels for generating the control pressures in a pneumatically actuated multi-channel coating head for coating components with a coating agent, a control channel being characterized by a valve element comprising a valve bore in a valve plate and a diaphragm layer which is below the valve plate and is configured as a diaphragm closing element in the region of the valve bore, the shape of which diaphragm closing element defined by recesses positioned laterally with respect to the valve bore, by a micro-actuator having a plunger that actuates the diaphragm closing element through the valve bore such that the valve element opens, by a second micro-pneumatic element connected in series with the valve element, the control pressure developing and a cavity located at the connection node thereof, which cavity is connected to at least one pneumatically operated coating agent ejector, and by a pneumatic pressurization of the micro-pneumatic control unit, which is directed such that, with respect to the valve element, there is a pressure gradient from the diaphragm closing element to the valve bore in the valve plate.

    PIEZO ACTUATOR AND PIEZO ACTUATOR ARRAY
    2.
    发明申请
    PIEZO ACTUATOR AND PIEZO ACTUATOR ARRAY 有权

    公开(公告)号：US20210328128A1

    公开(公告)日：2021-10-21

    申请号：US17232800

    申请日：2021-04-16

    Applicant: EXEL Industries SA

    Inventor： Burkhard BÜSTGENS

    IPC: H01L41/09 ,  H01L41/053 ,  H01L41/22

    Abstract: A piezo actuator for carrying out an actuating movement is disclosed, with a piezo bending transducer made of a carrier layer which is at least partially covered on one or two sides with a piezo lamella, with a movable end and with a housing, with a reference stop connected to the housing for determining a reference position for the actuating movement, with a first bearing region which comprises regions of the piezo actuator and the housing and which allows for twists ϕ1 of the piezo bending transducer, with a second bearing region having a surface on the side of the bending transducer and a surface on the side of the housing, and an intermediate layer between the surfaces, which connects them and which can be liquefied, and with a pressure element for generating a bias torque on the piezo bending transducer around the first bearing region against the reference stop.

    APPLICATION DEVICE FOR A VISCOUS ADHESIVE HAVING A ROTATABLE NOZZLE
    4.
    发明申请
    APPLICATION DEVICE FOR A VISCOUS ADHESIVE HAVING A ROTATABLE NOZZLE 有权

    公开(公告)号：US20220016664A1

    公开(公告)日：2022-01-20

    申请号：US17371538

    申请日：2021-07-09

    Applicant: EXEL Industries SA

    Inventor： Markus SCHMITZ

    IPC: B05C5/02 ,  B05B1/30 ,  B05B13/04 ,  B60J1/00

    Abstract: An application device for a viscous adhesive comprising a base body having a first inlet for a viscous adhesive; and a nozzle body which is rotatable about an axis with respect to the base body and which surrounds a portion of the base body radially on the outside with respect to the axis, wherein, via the interaction of a first dynamic seal with a separating agent chamber, in which a separating agent is stored, the introduction of humidity into the adhesive before it exits the nozzle opening is effectively prevented.

    Hose arrangements
    5.
    发明授权
    Hose arrangements 有权

    公开(公告)号：US10550965B2

    公开(公告)日：2020-02-04

    申请号：US15624208

    申请日：2017-06-15

    Applicant: EXEL Industries SA

    Inventor： David Lord ,  Michael Rose

    IPC: F16L11/00 ,  F16L11/11 ,  F16L21/06

    Abstract: A hose arrangement includes an outer tube of flexible material and an inner tube of an elastic material for carrying fluid. Due to an action of the elastic inner tube, the hose has a shorter length in a contracted state in the absence of fluid pressure in the interior of the inner elastic tube and a longer length in an expanded state when the fluid pressure is applied to the interior of the elastic inner tube. The tube has an undulating state in the contracted state and controls and contains expansion of the inner tube when the hose is in the expanded state. At least one sleeve portion is provided between the elastic inner tube and the outer tube along a part of the elastic inner tube where undulation of the outer tube occurs in the contracted state for protecting the elastic inner tube from abrasion undulations of the outer tube.

    HOSE ARRANGEMENTS
    6.
    发明申请
    HOSE ARRANGEMENTS 审中-公开

    公开(公告)号：US20170363230A1

    公开(公告)日：2017-12-21

    申请号：US15624208

    申请日：2017-06-15

    Applicant: EXEL Industries SA

    Inventor： David LORD ,  Michael ROSE

    IPC: F16L11/11 ,  F16L21/06

    CPC classification number: F16L11/111 ,  F16L11/12 ,  F16L11/20 ,  F16L21/06

    Abstract: A hose arrangement includes an outer tube of flexible material and an inner tube of an elastic material for carrying fluid. Due to an action of the elastic inner tube, the hose has a shorter length in a contracted state in the absence of fluid pressure in the interior of the inner elastic tube and a longer length in an expanded state when the fluid pressure is applied to the interior of the elastic inner tube. The tube has an undulating state in the contracted state and controls and contains expansion of the inner tube when the hose is in the expanded state. At least one sleeve portion is provided between the elastic inner tube and the outer tube along a part of the elastic inner tube where undulation of the outer tube occurs in the contracted state for protecting the elastic inner tube from abrasion undulations of the outer tube.

    Piezo actuator and piezo actuator array
    9.
    发明授权
    Piezo actuator and piezo actuator array 有权

    公开(公告)号：US12161048B2

    公开(公告)日：2024-12-03

    申请号：US17232800

    申请日：2021-04-16

    Applicant: EXEL Industries SA

    Inventor： Burkhard Büstgens

    IPC: H01L41/02 ,  H10N30/01 ,  H10N30/20 ,  H10N30/88 ,  F16K99/00

    Abstract: A piezo actuator for carrying out an actuating movement is disclosed, with a piezo bending transducer made of a carrier layer which is at least partially covered on one or two sides with a piezo lamella, with a movable end and with a housing, with a reference stop connected to the housing for determining a reference position for the actuating movement, with a first bearing region which comprises regions of the piezo actuator and the housing and which allows for twists ϕ1 of the piezo bending transducer, with a second bearing region having a surface on the side of the bending transducer and a surface on the side of the housing, and an intermediate layer between the surfaces, which connects them and which can be liquefied, and with a pressure element for generating a bias torque on the piezo bending transducer around the first bearing region against the reference stop.

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