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    Fixtures for additively manufactured workpieces
    11.
    发明授权
    Fixtures for additively manufactured workpieces 有权

    公开(公告)号：US11014179B2

    公开(公告)日：2021-05-25

    申请号：US15922722

    申请日：2018-03-15

    Applicant: Delavan Inc.

    Inventor： Joseph Samo ,  Lukas Shea ,  Thomas J. Ocken

    IPC: B23H11/00 ,  B23H1/00 ,  B33Y30/00 ,  B22F3/105 ,  B23H7/02 ,  B22F10/00

    Abstract: An electrostatic discharge machining fixture includes a fixture body, two or more electrically conductive face contacts seated in the fixture body, and two or more electrically resistive point contacts seated in the fixture body. The electrically conductive face contacts and the electrically resistive point contacts define a 3-2-1 alignment system to locate an additively manufactured article relative to the fixture body during an electrostatic discharge machining operation. Electrostatic discharge machining arrangements and methods of supporting additively manufactured workpieces during electrostatic discharge machining operations are also described.

    ADDITIVE MANUFACTURING BUILD PLATES AND HANDLING
    13.
    发明申请
    ADDITIVE MANUFACTURING BUILD PLATES AND HANDLING 审中-公开

    公开(公告)号：US20200086384A1

    公开(公告)日：2020-03-19

    申请号：US16687945

    申请日：2019-11-19

    Applicant: Delavan Inc.

    Inventor： Lukas Shea ,  Joseph Samo

    IPC: B22F3/00 ,  B29C64/245 ,  B22F3/105

    Abstract: An additive manufacturing build plate system includes a plate body defining a build surface and a rear surface opposite the build surface. A peripheral surface extends between the rear surface and the build surface. At least one gripping feature is defined in the peripheral surface, extending inwardly into the plate body between the build surface and the rear surface.

    TORSION TESTING MACHINE AND METHODS FOR ADDITIVE BUILDS
    14.
    发明申请
    TORSION TESTING MACHINE AND METHODS FOR ADDITIVE BUILDS 审中-公开

    公开(公告)号：US20200018674A1

    公开(公告)日：2020-01-16

    申请号：US16031221

    申请日：2018-07-10

    Applicant: Delavan Inc.

    Inventor： Jacob Greenfield ,  Thomas J. Ocken ,  Andy W. Tibbs ,  Lukas Shea ,  Joseph Samo

    IPC: G01N3/26 ,  G01N3/06

    Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.

    INTERNAL MANIFOLD FOR MULTIPOINT INJECTION
    15.
    发明申请
    INTERNAL MANIFOLD FOR MULTIPOINT INJECTION 审中-公开

    公开(公告)号：US20200018237A1

    公开(公告)日：2020-01-16

    申请号：US16031696

    申请日：2018-07-10

    Applicant: Delavan Inc.

    Inventor： Jason A. Ryon ,  Lev Alexander Prociw ,  Gregory A. Zink ,  Joseph Samo

    IPC: F02C7/22 ,  F23R3/10 ,  F23R3/28 ,  F02C7/228

    Abstract: A multipoint injection system includes a manifold with a plurality of flow passages defined through the manifold in the circumferential direction. The flow passages are spaced apart from one another in an axial direction. A plurality of feed arms extends radially inward from the manifold. Feed arm portions of the flow passages extend through each of the feed arms to respective outlets. The feed arm portions of the flow passages are within the axial width of the manifold. A plurality of injection nozzles are included, each in fluid communication with a respective one of the outlets. Each injection nozzle includes an air passage therethrough with an air inlet. The feed arms each follow a path that is circumferentially offset from the air inlets so each of the feed arms is clear from a flow path directly upstream in the axial direction of each of the air inlets.

    Internal manifold for multipoint injection
    17.
    发明授权
    Internal manifold for multipoint injection 有权

    公开(公告)号：US11060459B2

    公开(公告)日：2021-07-13

    申请号：US16031696

    申请日：2018-07-10

    Applicant: Delavan Inc.

    Inventor： Jason A. Ryon ,  Lev Alexander Prociw ,  Gregory A. Zink ,  Joseph Samo

    IPC: F02C7/22 ,  F02C7/228 ,  F23R3/10 ,  F23R3/28

    Abstract: A multipoint injection system includes a manifold with a plurality of flow passages defined through the manifold in the circumferential direction. The flow passages are spaced apart from one another in an axial direction. A plurality of feed arms extends radially inward from the manifold. Feed arm portions of the flow passages extend through each of the feed arms to respective outlets. The feed arm portions of the flow passages are within the axial width of the manifold. A plurality of injection nozzles are included, each in fluid communication with a respective one of the outlets. Each injection nozzle includes an air passage therethrough with an air inlet. The feed arms each follow a path that is circumferentially offset from the air inlets so each of the feed arms is clear from a flow path directly upstream in the axial direction of each of the air inlets.

    DISCRETE JET ORIFICES
    18.
    发明申请
    DISCRETE JET ORIFICES 审中-公开

    公开(公告)号：US20200072129A1

    公开(公告)日：2020-03-05

    申请号：US16676855

    申请日：2019-11-07

    Applicant: Delavan Inc.

    Inventor： Steven J. Myers ,  Andy W. Tibbs ,  Joseph Samo ,  Jason A. Ryon

    IPC: F02C7/22 ,  B05B1/02 ,  B05B1/14 ,  F23R3/28 ,  F23D11/38

    Abstract: A nozzle tip includes a nozzle tip body defining an upstream surface and an opposed downstream surface. An outlet orifice is defined through the nozzle tip body for fluid communication from a space upstream of the upstream surface to a space downstream of the downstream surface. The outlet orifice includes a cylindrical outlet portion defining an outlet axis, and a tapered inlet portion upstream of the outlet portion. The tapered inlet portion converges down towards the outlet axis in a direction from the upstream surface toward the downstream surface.

    FIXTURES FOR ADDITIVELY MANUFACTURED WORKPIECES
    20.
    发明申请
    FIXTURES FOR ADDITIVELY MANUFACTURED WORKPIECES 审中-公开

    公开(公告)号：US20190283160A1

    公开(公告)日：2019-09-19

    申请号：US15922722

    申请日：2018-03-15

    Applicant: Delavan Inc.

    Inventor： Joseph Samo ,  Lukas Shea ,  Thomas J. Ocken

    IPC: B23H11/00 ,  B23H1/00

    Abstract: An electrostatic discharge machining fixture includes a fixture body, two or more electrically conductive face contacts seated in the fixture body, and two or more electrically resistive point contacts seated in the fixture body. The electrically conductive face contacts and the electrically resistive point contacts define a 3-2-1 alignment system to locate an additively manufactured article relative to the fixture body during an electrostatic discharge machining operation. Electrostatic discharge machining arrangements and methods of supporting additively manufactured workpieces during electrostatic discharge machining operations are also described.

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