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    MATERIAL SPRAY GUN
    22.
    发明申请
    MATERIAL SPRAY GUN 审中-公开

    公开(公告)号：US20200238315A1

    公开(公告)日：2020-07-30

    申请号：US16560382

    申请日：2019-09-04

    Applicant: Graco Minnesota Inc.

    Inventor： Jeremy P. Jurmu ,  Douglas S. Ryder ,  Quincy A. Kesti ,  Robert J. Gundersen ,  Jeromy D. Horning ,  Steve J. Wrobel ,  Chad R. Taszarek

    IPC: B05B7/12

    Abstract: A spray gun includes a gun body and valves configured to control flow of material and air through the gun body. A trigger is mounted to the gun body and is disposed relative to the valves such that the trigger actuates the valves in sequence to begin air flow and material flow. A sensor senses when the trigger is in an actuated state and the sensor causes a pump to begin pumping material to the spray gun. Release of the trigger causes the trigger to leave the actuated state. A detent mechanism holes the trigger in a detent state intermediate the actuated state and a resting state. The sensor does not sense the trigger with the trigger in the detent state. The trigger maintains the valves open with the trigger in the detent state.

    PISTON ROD ASSEMBLY FOR A FLUID PAINT PUMP
    23.
    发明申请
    PISTON ROD ASSEMBLY FOR A FLUID PAINT PUMP 审中-公开

    公开(公告)号：US20200088190A1

    公开(公告)日：2020-03-19

    申请号：US16688621

    申请日：2019-11-19

    Applicant: Graco Minnesota Inc.

    Inventor： Jeromy D. Horning ,  Steve J. Wrobel

    IPC: F04B53/14 ,  F04B1/04 ,  F16J7/00 ,  F04B19/22

    Abstract: A wear sleeve is removably mounted on a piston rod. The piston rod includes a piston cap, a piston rod body, and a piston head, with at least one of the piston cap and the piston head being removable from the piston rod body. The wear sleeve is disposed over the piston rod body and prevents the piston rod from contacting dynamic seals disposed within a pump. The wear sleeve is mechanically secured in a cylindrical recess on the piston rod between a cap shoulder of the piston cap and a head shoulder of the piston head.

    PACKING STACKS FOR PISTON PUMPS
    25.
    发明申请
    PACKING STACKS FOR PISTON PUMPS 审中-公开
    活塞泵包装箱

    公开(公告)号：US20170051738A1

    公开(公告)日：2017-02-23

    申请号：US15241906

    申请日：2016-08-19

    Applicant: Graco Minnesota Inc.

    Inventor： Jeromy D. Horning

    IPC: F04B53/02 ,  F16J15/3236

    CPC classification number: F04B53/02 ,  F04B1/0448 ,  F04B15/02 ,  F04B53/143 ,  F05C2225/00 ,  F16J15/18 ,  F16J15/3236

    Abstract: A packing or seal stack for a pump includes alternating first type and second type packing rings of polymer material such as ultrahigh molecular weight polyethylene (UHMWPE). The first and second type packing rings have essentially identical geometry, and the second type packing rings are lubricant filled polymer material. The geometry of the packing rings creates, when the packing rings are stacked, contact points that are positioned in a core area near a body center line of the ring bodies. Gaps are formed so that the packing rings do not contact one another near the inner and outer radial portions of the packing rings.

    Abstract translation: 用于泵的包装或密封堆包括交替的第一类型和第二类聚合物材料的填料环，例如超高分子量聚乙烯（UHMWPE）。 第一和第二类型的填料环具有基本相同的几何形状，第二类填料环是润滑剂填充的聚合物材料。 当填料环堆叠时，填料环的几何形状产生位于环体的身体中心线附近的芯部区域中的接触点。 形成间隙，使得填料环在填料环的内部和外部径向部分附近不彼此接触。

    Material spray gun
    28.
    发明授权
    Material spray gun 有权

    公开(公告)号：US11819868B2

    公开(公告)日：2023-11-21

    申请号：US17877405

    申请日：2022-07-29

    Applicant: Graco Minnesota Inc.

    Inventor： Jeremy P. Jurmu ,  Douglas S. Ryder ,  Quincy A. Kesti ,  Robert J. Gundersen ,  Jeromy D. Horning ,  Steve J. Wrobel ,  Chad R. Taszarek

    IPC: B05B7/12 ,  B05B7/04

    CPC classification number: B05B7/1209 ,  B05B7/0416

    Abstract: A spray gun includes a gun body and valves configured to control flow of material and air through the gun body. A trigger is mounted to the gun body and is disposed relative to the valves such that the trigger actuates the valves in sequence to begin air flow and material flow. A sensor senses when the trigger is in an actuated state and the sensor causes a pump to begin pumping material to the spray gun. Release of the trigger causes the trigger to leave the actuated state. A detent mechanism holes the trigger in a detent state intermediate the actuated state and a resting state. The sensor does not sense the trigger with the trigger in the detent state. The trigger maintains the valves open with the trigger in the detent state.

    Material spray gun
    29.
    发明授权
    Material spray gun 有权

    公开(公告)号：US11406995B2

    公开(公告)日：2022-08-09

    申请号：US16560382

    申请日：2019-09-04

    Applicant: Graco Minnesota Inc.

    Inventor： Jeremy P. Jurmu ,  Douglas S. Ryder ,  Quincy A. Kesti ,  Robert J. Gundersen ,  Jeromy D. Horning ,  Steve J. Wrobel ,  Chad R. Taszarek

    IPC: B05B7/12 ,  B05B7/04

    Abstract: A spray gun includes a gun body and valves configured to control flow of material and air through the gun body. A trigger is mounted to the gun body and is disposed relative to the valves such that the trigger actuates the valves in sequence to begin air flow and material flow. A sensor senses when the trigger is in an actuated state and the sensor causes a pump to begin pumping material to the spray gun. Release of the trigger causes the trigger to leave the actuated state. A detent mechanism holes the trigger in a detent state intermediate the actuated state and a resting state. The sensor does not sense the trigger with the trigger in the detent state. The trigger maintains the valves open with the trigger in the detent state.

    PISTON ROD ROTATION FEATURES IN A SPRAY FLUID PUMP
    30.
    发明申请
    PISTON ROD ROTATION FEATURES IN A SPRAY FLUID PUMP 有权

    公开(公告)号：US20220025882A1

    公开(公告)日：2022-01-27

    申请号：US17297321

    申请日：2019-11-26

    Applicant: Graco Minnesota Inc.

    Inventor： Jeromy D. Horning ,  August F. Legatt ,  Justin G. Paulson ,  David J. Thompson

    IPC: F04B53/14

    Abstract: A piston rod (27) for a spray fluid pump includes an interior pumping chamber (40), one or more channels (50) formed on the exterior of the piston rod, and one or more side bores (32) extending through the piston rod and in fluid communication with the interior piston chamber and one or more channels. The one or more channels (50) extend at least partially axially and are open along a length of the channel. The one or more channels are angled offset with respect to the reciprocation axis for imparting a rotational moment on the piston rod to cause rotation of the piston rod during reciprocation of the piston rod. A spray fluid pump comprising such piston rod is also disclosed.

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