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    Rotary valve with reduced flushing time
    61.
    发明授权
    Rotary valve with reduced flushing time 有权

    公开(公告)号：US12038091B2

    公开(公告)日：2024-07-16

    申请号：US17756099

    申请日：2020-09-04

    Applicant: TECAN TRADING AG

    Inventor： Anthony Donetz ,  Michael Kennedy

    IPC: F16K11/074

    CPC classification number: F16K11/0743

    Abstract: A rotary valve includes a stator member with a planar stator face, the stator member having a plurality of stator channels for conducting a fluid; and a rotor member with a planar rotor face facing and in contact with the stator face, the rotor member having a rotor channel; wherein the rotor member is rotatable with respect to the stator member about a rotation axis, such that in a conducting position, the rotor channel interconnects two of the stator channels and the two stator channels are in fluid communication; wherein at least one of the stator channels has a transverse channel section opening into the stator face and running transversely with respect to the rotation axis; wherein the rotor channel has a bottom, which at an intersection end of the rotor channel is inclined with respect to the rotation axis, such that the rotor channel elongates an inner surface of the stator channel, when the rotor member is in the conducting position.

    METHOD FOR ACCURATELY POSITIONING A ROBOTIC ARM AT A TARGET POSITION IN AN AUTOMATED SAMPLE HANDLING DEVICE AND SUCH A DEVICE
    62.
    发明公开
    METHOD FOR ACCURATELY POSITIONING A ROBOTIC ARM AT A TARGET POSITION IN AN AUTOMATED SAMPLE HANDLING DEVICE AND SUCH A DEVICE 审中-公开

    公开(公告)号：US20240217102A1

    公开(公告)日：2024-07-04

    申请号：US18390607

    申请日：2023-12-20

    Applicant: TECAN TRADING AG

    Inventor： Volfgang VILAJ ,  Luca FREI ,  Simon STRASSEN ,  Philipp OTT

    IPC: B25J9/16 ,  B25J11/00 ,  B25J13/08

    CPC classification number: B25J9/1664 ,  B25J9/1697 ,  B25J11/005 ,  B25J13/087 ,  B25J13/089

    Abstract: A method accurately positions a robotic manipulator at a target position of a target object in an automated sample handling device. An optical reference object is detectable by imaging located at a first position at a worksurface and a capacitive reference object is located at a second position at the worksurface. A position of the robotic manipulator relative to the second position is detectable by measurements of the electrical impedance/capacitance between the capacitive reference object and the robotic manipulator acting as a measuring probe. An image is then taken of the first reference object together with the target object to determine the target position and a current position of the robotic manipulator is determined based on electrical impedance/capacitance measurements taken at different locations of the capacitive reference object. The robotic manipulator is then moved from the determined current position to the determined target position.

    LIQUID INTERFACE ESTIMATION FOR LIQUID ASPIRATION
    67.
    发明公开
    LIQUID INTERFACE ESTIMATION FOR LIQUID ASPIRATION 审中-公开

    公开(公告)号：US20230408541A1

    公开(公告)日：2023-12-21

    申请号：US18336212

    申请日：2023-06-16

    Applicant: TECAN TRADING AG

    Inventor： Oliver SCHILLING ,  Dominik MAURER ,  Christoph HAUSHERR

    IPC: G01N35/10

    CPC classification number: G01N35/1016 ,  G01N35/1011 ,  G01N2035/1025

    Abstract: A method for aspirating a first liquid medium from a sample container with a laboratory automation device, wherein the first liquid medium is above a second liquid medium, which has a higher density and/or viscosity as the first liquid medium comprises: detecting a surface position of a surface of the first liquid medium; calculating an estimated interface position of an interface between the first liquid medium and the second liquid medium from the surface position and calculating a safety position between the surface position and the estimated interface position by adding a safety offset to the estimated interface position; and lowering a pipette of the laboratory automation device into the sample container and aspirating the first liquid medium from the sample container with the pipette by generating an underpressure in the pipette until a pipette tip of the pipette reaches the safety position.

    Virtual Pipetting
    68.
    发明公开
    Virtual Pipetting 审中-公开

    公开(公告)号：US20230333134A1

    公开(公告)日：2023-10-19

    申请号：US18210513

    申请日：2023-06-15

    Applicant: TECAN TRADING AG

    Inventor： Ronan Leboudec

    IPC: G01N35/10 ,  G01N35/00 ,  B25J9/16 ,  G05B19/418

    CPC classification number: G01N35/1072 ,  G01N35/0099 ,  G01N35/00722 ,  G01N35/00584 ,  B25J9/1671 ,  G05B19/41835 ,  G01N2035/00891 ,  G05B2219/39001 ,  G01N2035/0091 ,  G05B2219/39014 ,  G05B2219/39451

    Abstract: A method for generating a control program for a laboratory automation device includes receiving configuration data of the laboratory automation device, generating a three-dimensional model of the components of the laboratory automation device from the configuration data, the three-dimensional model additionally including a virtual pipette; displaying the three-dimensional model with a virtual reality headset; receiving movement data of a motion sensing controller controlled by a user wearing the virtual reality headset, the movement data indicating a three-dimensional movement of the motion sensing controller in space; determining a movement of the virtual pipette in the three-dimensional model from the movement data and updating the three-dimensional model according to the movement of the virtual pipette; and generating a control program for the laboratory automation device from the movement data.

    ROTARY VALVE WITH ENCODER ON ROTOR
    69.
    发明公开
    ROTARY VALVE WITH ENCODER ON ROTOR 审中-公开

    公开(公告)号：US20230304602A1

    公开(公告)日：2023-09-28

    申请号：US17822666

    申请日：2020-11-09

    Applicant: TECAN TRADING AG

    Inventor： John GREENE ,  Michael John KENNEDY ,  Torleif Ove BJÖRNSON ,  Werner HÄLG

    IPC: F16K37/00 ,  F16K31/04 ,  F16K11/08

    CPC classification number: F16K37/0041 ,  F16K31/042 ,  F16K11/08

    Abstract: A rotary valve comprises a stator member with a stator face, the stator member having at least two stator channels for conducting a fluid and opening into the stator face; a rotor member with a rotor face facing and in contact with the stator face, the rotor member having a rotor channel in the rotor face, wherein the rotor member is rotatable with respect to the stator member about a rotation axis, such that in a conducting position, the rotor channel interconnects the at least two stator channels to be in fluid communication; and a rotary encoder assembly adapted for determining a rotary position of the rotor member, the rotary encoder assembly comprising an encoder member and an encoder module, which is adapted to sense a rotary position of the encoder member. The encoder member is rigidly connected to the rotor member and surrounds the rotor member.

    Centrifugal processing unit including a blocking element
    70.
    发明授权
    Centrifugal processing unit including a blocking element 有权

    公开(公告)号：US11660611B2

    公开(公告)日：2023-05-30

    申请号：US16620822

    申请日：2018-05-24

    Applicant: TECAN TRADING AG

    Inventor： Markus Spiss ,  Adrian Sager ,  Fred Schinzel ,  Markus Wolf

    IPC: B04B5/04

    CPC classification number: B04B5/0421

    Abstract: A centrifugal processing unit for directing the movement of substances within a sample processing cartridge, the centrifugal processing unit having a rotor at least one accommodation for receiving the sample processing cartridge, and a rotor drive for rotating the at least one rotor about a respective rotor axis to create the centrifugal force. The centrifugal processing unit has a blocking element allowing the free pivoting motion of the at least one accommodation in a release position when the rotor is rotated in a first direction and preventing the free pivoting motion in a blocking position, when the rotor is rotated in the opposite direction.

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