公开(公告)号：US11619529B2

公开(公告)日：2023-04-04

申请号：US17375471

申请日：2021-07-14

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/667 ,  G01F1/66

Abstract: A compact ultrasonic flowmeter for measuring flowrate and other fluid related data of a fluid includes a flow tube with a flow bore for passage of the fluid between an inlet and an outlet, a flowmeter housing, a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter, a meter circuit including ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid, a display mounted on the printed circuit board and configured for displaying a measured flowrate and the other fluid related data, one or more battery packs for powering flowmeter operations, and two or more backing devices arranged to provide a holding force to the ultrasonic transducers, forcing a lower side of the ultrasonic transducers against transducer areas provided on the flow tube.

公开(公告)号：US11118951B2

公开(公告)日：2021-09-14

申请号：US16376620

申请日：2019-04-05

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/66

Abstract: Compact ultrasonic flowmeter for measuring flowrate and other fluid related data, comprising: a flow tube with a flow bore for passage of the fluid between an inlet and an outlet; a flowmeter housing associated with the flow tube; a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter; a meter circuit including two or more ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid; a display mounted on the printed circuit board and configured for displaying a measured flowrate and other fluid related data; and one or more battery packs for powering flowmeter operations including at least the processor and the meter circuit and the display; wherein the processor and the ultrasonic transducers are surface mounted on a lower side of the printed circuit board and the display is mounted on an upper side of the printed circuit board.

公开(公告)号：US20190310116A1

公开(公告)日：2019-10-10

申请号：US16376620

申请日：2019-04-05

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aaroe

IPC: G01F1/66

Abstract: Compact ultrasonic flowmeter for measuring flowrate and other fluid related data, comprising: a flow tube with a flow bore for passage of the fluid between an inlet and an outlet; a flowmeter housing associated with the flow tube; a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter; a meter circuit including two or more ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid; a display mounted on the printed circuit board and configured for displaying a measured flowrate and other fluid related data; and one or more battery packs for powering flowmeter operations including at least the processor and the meter circuit and the display; wherein the processor and the ultrasonic transducers are surface mounted on a lower side of the printed circuit board and the display is mounted on an upper side of the printed circuit board.

公开(公告)号：US12007261B2

公开(公告)日：2024-06-11

申请号：US18174811

申请日：2023-02-27

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/667 ,  G01F1/66

CPC classification number: G01F1/667 ,  G01F1/662

Abstract: A compact ultrasonic flowmeter for measuring flowrate and other fluid related data includes a flow tube with a flow bore for passage of the fluid between an inlet and an outlet, a flowmeter housing associated with the flow tube, a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter, a meter circuit including ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid, a display mounted on the printed circuit board and configured for displaying a measured flowrate and the other fluid related data, one or more battery packs for powering flowmeter operations, and an antenna element configured to be connected to a radio circuit via connectors provided on the printed circuit board and/or the antenna element.

公开(公告)号：US20230221156A1

公开(公告)日：2023-07-13

申请号：US18174811

申请日：2023-02-27

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/667 ,  G01F1/66

CPC classification number: G01F1/667 ,  G01F1/662

Abstract: A compact ultrasonic flowmeter for measuring flowrate and other fluid related data includes a flow tube with a flow bore for passage of the fluid between an inlet and an outlet, a flowmeter housing associated with the flow tube, a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter, a meter circuit including ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid, a display mounted on the printed circuit board and configured for displaying a measured flowrate and the other fluid related data, one or more battery packs for powering flowmeter operations, and an antenna element configured to be connected to a radio circuit via connectors provided on the printed circuit board and/or the antenna element.

公开(公告)号：US11644352B2

公开(公告)日：2023-05-09

申请号：US17375543

申请日：2021-07-14

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/667 ,  G01F1/66

CPC classification number: G01F1/667 ,  G01F1/662

Abstract: A compact ultrasonic flowmeter for measuring flowrate and other fluid related data includes a flow tube with a flow bore for passage of the fluid between an inlet and an outlet, a flowmeter housing associated with the flow tube, a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter, a meter circuit including ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid, a display mounted on the printed circuit board and configured for displaying a measured flowrate and the other fluid related data, one or more battery packs for powering flowmeter operations, and an antenna element configured to be connected to a radio circuit via connectors provided on the printed circuit board and/or the antenna element.

公开(公告)号：US20210341323A1

公开(公告)日：2021-11-04

申请号：US17375543

申请日：2021-07-14

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/66

Abstract: A compact ultrasonic flowmeter for measuring flowrate and other fluid related data includes a flow tube with a flow bore for passage of the fluid between an inlet and an outlet, a flowmeter housing associated with the flow tube, a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter, a meter circuit including ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid, a display mounted on the printed circuit board and configured for displaying a measured flowrate and the other fluid related data, one or more battery packs for powering flowmeter operations, and an antenna element configured to be connected to a radio circuit via connectors provided on the printed circuit board and/or the antenna element.

公开(公告)号：US20210341322A1

公开(公告)日：2021-11-04

申请号：US17375471

申请日：2021-07-14

Applicant: Kamstrup A/S

Inventor： Lasse Pilegaard ,  Anders Hedegaard ,  Kaspar Raahede Aarøe

IPC: G01F1/66

Abstract: A compact ultrasonic flowmeter for measuring flowrate and other fluid related data of a fluid includes a flow tube with a flow bore for passage of the fluid between an inlet and an outlet, a flowmeter housing, a printed circuit board arranged in the flowmeter housing and including a processor for controlling operations of the flowmeter, a meter circuit including ultrasonic transducers provided on the printed circuit board and configured for operating the ultrasonic transducers to transmit and receive ultrasonic wave packets through the fluid, a display mounted on the printed circuit board and configured for displaying a measured flowrate and the other fluid related data, one or more battery packs for powering flowmeter operations, and two or more backing devices arranged to provide a holding force to the ultrasonic transducers, forcing a lower side of the ultrasonic transducers against transducer areas provided on the flow tube.