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    POSITIVE DISPLACEMENT PUMP CONTROLLER AND METHOD OF OPERATION
    1.
    发明申请
    POSITIVE DISPLACEMENT PUMP CONTROLLER AND METHOD OF OPERATION 有权

    公开(公告)号：US20230015141A1

    公开(公告)日：2023-01-19

    申请号：US17945590

    申请日：2022-09-15

    Applicant: Graco Minnesota Inc.

    Inventor： Bryan K. Colby

    IPC: F04B9/04 ,  F04B17/03 ,  F04B49/20 ,  F04B49/12

    Abstract: Non-limiting exemplary embodiments of a pumping system and methods for operating the pumping system in a region of high pressure or a region of high flow are disclosed. The pumping system includes a piston disposed within a piston cylinder, a drive shaft, an eccentric coupled to the drive shaft, a connecting arm having opposing first and second ends, and a controller for controlling the rotation of the drive shaft such that the piston oscillates within a region of high pressure or a region of high flow.

    DUAL HEATER SYSTEM FOR SPRAY DISPENSER
    5.
    发明申请
    DUAL HEATER SYSTEM FOR SPRAY DISPENSER 有权
    用于喷雾分配器的双加热器系统

    公开(公告)号：US20160184846A1

    公开(公告)日：2016-06-30

    申请号：US14650758

    申请日：2013-12-16

    Applicant: GRACO MINNESOTA INC.

    Inventor： Christopher J. Pellin ,  Jeffrey N. Velgersdyk ,  Joshua D. Roden ,  Bryan K. Colby

    IPC: B05B7/16 ,  B05B7/00 ,  H05B1/02 ,  B05B7/24

    CPC classification number: B05B7/1693 ,  B05B7/0093 ,  B05B7/0408 ,  B05B7/0416 ,  B05B7/166 ,  B05B7/2497 ,  B05B9/002 ,  B05B15/58 ,  B05D1/02 ,  B05D1/34 ,  H05B1/0202 ,  H05B1/0244

    Abstract: A mobile spray dispenser comprises a fluid circulation system and a heating unit. The fluid circulation system has a motorized pump capable of circulating fluid from a fluid reservoir in a high-pressure spray mode and a low-pressure recirculation mode, and of providing the fluid to a sprayer. The motorized pump draws lower power in the low-pressure recirculation mode than in the high-pressure spray mode. The heating unit is disposed within the fluid circulation system to heat the fluid to a target temperature, and comprises a primary heater and a boost heater. The primary heater is configured to be active during both the high-pressure spray mode and the low-pressure recirculation mode. The boost heater is in fluid series with the primary heater, and is configured to be active only during the low-pressure recirculation mode.

    Abstract translation: 移动喷雾分配器包括流体循环系统和加热单元。 流体循环系统具有能够以高压喷射模式和低压再循环模式从流体容器循环流体并将流体提供给喷雾器的电动泵。 电动泵在低压再循环模式下比在高压喷射模式下降低功率。 加热单元设置在流体循环系统内以将流体加热到目标温度，并且包括初级加热器和升压加热器。 主加热器被配置为在高压喷射模式和低压再循环模式期间都是有效的。 升压加热器与主加热器流体串联，并且仅在低压再循环模式下被配置为有效。

    Positive displacement pump controller and method of operation
    6.
    发明授权
    Positive displacement pump controller and method of operation 有权

    公开(公告)号：US11454224B2

    公开(公告)日：2022-09-27

    申请号：US16980926

    申请日：2019-03-21

    Applicant: Graco Minnesota Inc.

    Inventor： Bryan K. Colby

    IPC: F04B9/04 ,  F04B49/12 ,  F04B49/20 ,  F04B17/03

    Abstract: Non-limiting exemplary embodiments of a pumping system and methods for operating the pumping system in a region of high pressure or a region of high flow are disclosed. The pumping system includes a piston disposed within a piston cylinder, a drive shaft, an eccentric coupled to the drive shaft, a connecting arm having opposing first and second ends, and a controller for controlling the rotation of the drive shaft such that the piston oscillates within a region of high pressure or a region of high flow.

    ELECTRICALLY OPERATED PUMP FOR A PLURAL COMPONENT SPRAY SYSTEM
    9.
    发明申请
    ELECTRICALLY OPERATED PUMP FOR A PLURAL COMPONENT SPRAY SYSTEM 有权

    公开(公告)号：US20230125161A1

    公开(公告)日：2023-04-27

    申请号：US17914657

    申请日：2021-03-31

    Applicant: Graco Minnesota Inc.

    Inventor： Matthew R. Theisen ,  Arthur T. Graf ,  Bryan K. Colby ,  Andrew J. Ericson ,  Nicholas K. Studt ,  Erich W. Beckmann

    IPC: F04B13/02 ,  F04B17/03

    Abstract: An electrically operated pumping assembly for a plural component spray system includes an electric motor (14) having a stator (88) and a rotor (90). The rotor is disposed coaxially with first and second pumps (26a, 26b) and is configured to cause pumping by each of the first and second pumps. The first and second pumps are configured to pump different component materials to an applicator (34) for forming a plural component spray material. A drive mechanism (86) is disposed between and connected to each of the rotor and the fluid displacement members (70a, 70b) of the first and second pumps. The drive mechanism receives a rotational output from the rotor and provides a linear input to the first and second pumps to cause pumping.

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