公开(公告)号：US12092090B2

公开(公告)日：2024-09-17

申请号：US18133840

申请日：2023-04-12

Applicant: Graco Minnesota Inc.

Inventor： Bradley H. Hines ,  Paul W. Scheierl ,  Brian W. Koehn ,  Jacob D. Higgins ,  Benjamin J. Paar ,  David L. Fehr

IPC: F04B17/03 ,  F04B43/04 ,  F04B49/06 ,  F04B49/20 ,  F04B53/18

CPC classification number: F04B17/03 ,  F04B43/04 ,  F04B49/065 ,  F04B49/20 ,  F04B53/18

Abstract: An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacement member to drive axial reciprocation of the fluid displacement member. A drive mechanism is disposed between and connected to each of the rotor and the fluid displacement member. The drive mechanism receives a rotational output from the rotor and provides a linear input to the fluid displacement member. A controller controls operation of the motor based on an operating state of the motor to control pumping by the displacement pump.

公开(公告)号：US11045830B2

公开(公告)日：2021-06-29

申请号：US16362203

申请日：2019-03-22

Applicant: Graco Minnesota Inc.

Inventor： David L. Fehr ,  Dennis J. Van Keulen

IPC: B05B15/00 ,  B05B15/55 ,  B05B9/04 ,  B05B12/14 ,  F04B5/02 ,  F04B7/00 ,  F04B15/02 ,  F04B23/06 ,  F04B49/06 ,  B05B7/12 ,  B05B7/04 ,  B05B7/24

Abstract: A method for a system having a plurality of primary fluid sources and a fluid output with a common pump includes halting pumping of a first fluid, isolating the common pump from the fluid output and the primary fluid sources, connecting an inlet of the common pump to a solvent source and a compressed air source, and an outlet of the common pump to a waste fluid dump, filling the common pump with a first purge volume of solvent, cycling the common pump in a flush mode, operating the common pump in a timed flow mode, and connecting an inlet of the common pump to a second primary fluid source, and an outlet of the common pump to the output line, and starting pumping of a second fluid from the second primary fluid source through the output line.

公开(公告)号：US20160158784A1

公开(公告)日：2016-06-09

申请号：US14905192

申请日：2014-07-18

Applicant: GRACO MINNESOTA INC.

Inventor： David L. Fehr ,  John R. Ingebrand ,  Jeffrey U. Shaffer

IPC: B05B12/14 ,  F04B49/22 ,  B05B7/04 ,  F04B53/10 ,  F04B53/16 ,  F04B19/22 ,  F04B53/14

CPC classification number: B05B7/1254 ,  B05B7/04 ,  B05B7/0408 ,  B05B7/24 ,  B05B7/2486 ,  B05B7/2497 ,  B05B9/04 ,  B05B9/0406 ,  B05B9/0413 ,  B05B12/087 ,  B05B12/1418 ,  B05B12/149 ,  B05B15/55 ,  B29B7/7447 ,  F04B5/02 ,  F04B7/02 ,  F04B13/00 ,  F04B15/02 ,  F04B17/03 ,  F04B19/22 ,  F04B23/06 ,  F04B39/0292 ,  F04B39/10 ,  F04B49/10 ,  F04B49/22 ,  F04B51/00 ,  F04B53/10 ,  F04B53/14 ,  F04B53/16 ,  F04B2201/0601 ,  F16N7/32

Abstract: A method of actuating a double-action pump assembly with a reciprocating plunger includes signaling the reciprocating plunger to stop for a changeover period; while the pump is stopping, signaling the first inlet and outlet valves to close; while the first inlet and outlet valves are closing, signaling the second inlet and outlet valves to open, such that the second inlet and outlet valves begin to mechanically open at least a dwell period after the first inlet and outlet valves have entirely closed; and signaling the reciprocating plunger to begin moving while the second inlet and outlet valves are closing.

Abstract translation: 用往复式柱塞致动双作用泵组件的方法包括使往复式柱塞信号停止转换周期; 当泵停止时，指示第一个入口和出口阀关闭; 而第一入口和出口阀正在关闭，指示第二入口和出口阀打开，使得第二入口和出口阀在第一入口和出口阀完全关闭之后至少开启至少一个停留时间段; 并且当第二入口和出口阀关闭时，信号通知往复式柱塞开始移动。

公开(公告)号：US20210301809A1

公开(公告)日：2021-09-30

申请号：US17313663

申请日：2021-05-06

Applicant: Graco Minnesota Inc.

Inventor： Bradley H. Hines ,  Paul W. Scheierl ,  Brian W. Koehn ,  Jacob D. Higgins ,  Benjamin J. Paar ,  David L. Fehr

IPC: F04B43/04 ,  F04B17/03 ,  F04B49/06 ,  F04B49/20

Abstract: An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacement member to drive axial reciprocation of the fluid displacement member. A drive mechanism is disposed between and connected to each of the rotor and the fluid displacement member. The drive mechanism receives a rotational output from the rotor and provides a linear input to the fluid displacement member. A controller controls operation of the motor based on an operating state of the motor to control pumping by the displacement pump.

公开(公告)号：US20190224700A1

公开(公告)日：2019-07-25

申请号：US16266831

申请日：2019-02-04

Applicant: Graco Minnesota Inc.

Inventor： David L. Fehr ,  John R. Ingebrand ,  Dennis J. Van Keulen

IPC: B05B7/12 ,  G05D11/13 ,  F04B51/00 ,  B05B7/04 ,  B05B7/24 ,  B05B9/04 ,  B05B12/08 ,  F04B15/02 ,  F04B5/02 ,  B05B12/14 ,  F16N7/32 ,  F04B53/16 ,  F04B53/14 ,  F04B53/10 ,  B05B15/55 ,  F04B49/22 ,  F04B49/10 ,  F04B39/10 ,  F04B39/02 ,  F04B23/06 ,  F04B19/22 ,  F04B17/03 ,  F04B13/00 ,  F04B7/02

Abstract: A control method for a two-component spray system having first and second pumps for separate fluid components includes registering a target spray pressure, registering a material-specific pressure factor margin, sensing an output pressure of the second pump, and identifying a failure condition in the event that the sensed output pressure remains further than the pressure factor margin from the target spray pressure for at least a threshold time.

公开(公告)号：US10300504B2

公开(公告)日：2019-05-28

申请号：US15886613

申请日：2018-02-01

Applicant: Graco Minnesota Inc.

Inventor： David L. Fehr ,  Dennis J. Van Keulen

IPC: B05B15/00 ,  B05B15/55 ,  B05B9/04 ,  B05B12/14 ,  B05B7/12

Abstract: A method for a system having a plurality of primary fluid sources and a fluid output with a common pump includes halting pumping of a first fluid, isolating the common pump from the fluid output and the primary fluid sources, connecting an inlet of the common pump to a solvent source and a compressed air source, and an outlet of the common pump to a waste fluid dump, filling the common pump with a first purge volume of solvent, cycling the common pump in a flush mode, operating the common pump in a timed flow mode, and connecting an inlet of the common pump to a second primary fluid source, and an outlet of the common pump to the output line, and starting pumping of a second fluid from the second primary fluid source through the output line.

公开(公告)号：US10195621B2

公开(公告)日：2019-02-05

申请号：US14905192

申请日：2014-07-18

Applicant: Graco Minnesota Inc.

Inventor： David L. Fehr ,  John R. Ingebrand ,  Jeffrey U. Shaffer

IPC: B05B7/04 ,  B05B7/24 ,  B05B7/12 ,  B05B15/55 ,  B05B12/08 ,  B05B12/14 ,  F04B5/02 ,  F04B7/02 ,  F04B13/00 ,  F04B15/02 ,  F04B17/03 ,  F04B19/22 ,  F04B23/06 ,  F04B39/02 ,  F04B39/10 ,  F04B49/10 ,  F04B49/22 ,  F04B51/00 ,  F04B53/10 ,  F04B53/14 ,  F04B53/16 ,  F16N7/32 ,  B29B7/74 ,  B05B9/04

Abstract: A method of actuating a double-action pump assembly with a reciprocating plunger includes signaling the reciprocating plunger to stop for a changeover period; while the pump is stopping, signaling the first inlet and outlet valves to close; while the first inlet and outlet valves are closing, signaling the second inlet and outlet valves to open, such that the second inlet and outlet valves begin to mechanically open at least a dwell period after the first inlet and outlet valves have entirely closed; and signaling the reciprocating plunger to begin moving while the second inlet and outlet valves are closing.

公开(公告)号：US11655810B2

公开(公告)日：2023-05-23

申请号：US17526329

申请日：2021-11-15

Applicant: Graco Minnesota Inc.

Inventor： Bradley H. Hines ,  Paul W. Scheierl ,  Brian W. Koehn ,  Jacob D. Higgins ,  Benjamin J. Paar ,  David L. Fehr

IPC: F04B43/04 ,  F04B17/03 ,  F04B49/06 ,  F04B49/20 ,  F04B53/18

CPC classification number: F04B43/04 ,  F04B17/03 ,  F04B49/065 ,  F04B49/20 ,  F04B53/18

Abstract: An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacement member to drive axial reciprocation of the fluid displacement member. A drive mechanism is disposed between and connected to each of the rotor and the fluid displacement member. The drive mechanism receives a rotational output from the rotor and provides a linear input to the fluid displacement member. A controller controls operation of the motor based on an operating state of the motor to control pumping by the displacement pump.

公开(公告)号：US11174854B2

公开(公告)日：2021-11-16

申请号：US17313663

申请日：2021-05-06

Applicant: Graco Minnesota Inc.

Inventor： Bradley H. Hines ,  Paul W. Scheierl ,  Brian W. Koehn ,  Jacob D. Higgins ,  Benjamin J. Paar ,  David L. Fehr

IPC: F04B43/04 ,  F04B49/20 ,  F04B49/06 ,  F04B17/03

Abstract: An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacement member to drive axial reciprocation of the fluid displacement member. A drive mechanism is disposed between and connected to each of the rotor and the fluid displacement member. The drive mechanism receives a rotational output from the rotor and provides a linear input to the fluid displacement member. A controller controls operation of the motor based on an operating state of the motor to control pumping by the displacement pump.

公开(公告)号：US11148152B2

公开(公告)日：2021-10-19

申请号：US16230252

申请日：2018-12-21

Applicant: Graco Minnesota Inc.

Inventor： David L. Fehr ,  John R. Ingebrand ,  Jeffrey U. Shaffer

IPC: B05B9/04 ,  B05B7/12 ,  B05B15/55 ,  B05B12/14 ,  F04B5/02 ,  F04B15/02 ,  F16N7/32 ,  B29B7/74 ,  B05B7/04 ,  B05B7/24 ,  B05B12/08 ,  F04B7/02 ,  F04B13/00 ,  F04B17/03 ,  F04B19/22 ,  F04B23/06 ,  F04B39/02 ,  F04B39/10 ,  F04B49/10 ,  F04B49/22 ,  F04B51/00 ,  F04B53/10 ,  F04B53/14 ,  F04B53/16

Abstract: A method of actuating a double-action pump assembly with a reciprocating plunger includes signaling the reciprocating plunger to stop for a changeover period; while the pump is stopping, signaling the first inlet and outlet valves to close; while the first inlet and outlet valves are closing, signaling the second inlet and outlet valves to open, such that the second inlet and outlet valves begin to mechanically open at least a dwell period after the first inlet and outlet valves have entirely closed; and signaling the reciprocating plunger to begin moving while the second inlet and outlet valves are closing.