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公开(公告)号：US11733084B2
公开(公告)日：2023-08-22
申请号：US17302655
申请日：2021-05-10
申请人： Mettler-Toledo (Changzhou) Precision Instruments Ltd , Mettler-Toledo (Changzhou) Measurement Technology Ltd. , Mettler-Toledo International Trading (Shanghai) Co., Ltd.
发明人： Dandan Huang , Xiang Li , Ping Zhang , JinJie Cai
CPC分类号： G01G7/02 , G01G21/02 , G01G21/22 , G01G21/286 , G01G23/00
摘要： An integrated high-precision weighing module has a shell, an electromagnetic force sensor, a printed circuit board (PCB), a weighing pan component, a support ring, and an air baffle ring. The electromagnetic force sensor and the PCB are mounted in the shell. A bearing head of the electromagnetic force sensor extends upward from an upper end portion of the shell. The support ring sheathes the bearing head. The weighing pan component is mounted on the bearing head, with the support ring located between the weighing pan component and the shell. The air baffle ring is disposed around the weighing pan component and located on the support ring. A first airflow channel is formed among the shell, the support ring, and the air baffle ring. At least part of airflow in the shell flows to the outside through the first airflow channel.
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公开(公告)号：US20210348963A1
公开(公告)日：2021-11-11
申请号：US17302655
申请日：2021-05-10
申请人： Mettler-Toledo (Changzhou) Precision Instruments Ltd. , Mettler-Toledo (Changzhou) Measurement Technology Ltd. , Mettler-Toledo International Trading (Shanghai) Co., Ltd.
发明人： Dandan Huang , Xiang Li , Ping Zhang , JinJie Cai
摘要： An integrated high-precision weighing module has a shell, an electromagnetic force sensor, a printed circuit board (PCB), a weighing pan component, a support ring, and an air baffle ring. The electromagnetic force sensor and the PCB are mounted in the shell. A bearing head of the electromagnetic force sensor extends upward from an upper end portion of the shell. The support ring sheathes the bearing head. The weighing pan component is mounted on the bearing head, with the support ring located between the weighing pan component and the shell. The air baffle ring is disposed around the weighing pan component and located on the support ring. A first airflow channel is formed among the shell, the support ring, and the air baffle ring. At least part of airflow in the shell flows to the outside through the first airflow channel.
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公开(公告)号：US20210239514A1
公开(公告)日：2021-08-05
申请号：US17265560
申请日：2019-01-23
申请人： Mettler Toledo Precision Instrument Company Limited , Mettler Toledo Measurement Technology Company Limited , Mettler-Toledo International Trading (Shanghai) Co., Ltd.
发明人： Haitao Zhang , Chunhui Li , Ping Zhang , Chenggang Ding , Tom Leahy
摘要： A calibration device is provided for a weighing system that has a tank with a plurality of support legs at a lower part thereof. The calibration device has at least one calibration module, a hydraulic system and a calibration terminal. An upper end of each calibration module is connected to an upper part of a corresponding support leg. A lower end of each calibration module is fixed to a foundation. A hose connects each calibration module to the hydraulic system for applying a force to the tank. The calibration terminal, connected to each calibration module, displays in real-time, the force applied to the tank. The calibration device can greatly improve the production efficiency, and in use, takes only two hours to complete the calibration, which is faster than the test weight and other calibration methods.
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公开(公告)号：US11029192B2
公开(公告)日：2021-06-08
申请号：US16564191
申请日：2019-09-09
申请人： Mettler-Toledo (Changzhou) Precision Instruments Co., Ltd. , Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd. , Mettler-Toledo International Trading (Shanghai) Co., Ltd.
发明人： Rabin Shrestha , Tom Leahy , Ping Zhang , Ferenc Muranyi
摘要： A high-capacity weighing module has a top plate weldment (10), a bottom plate weldment (30) and a pressure-bearing assembly (20) that is between the top and bottom plate weldments. Motion between the respective top and bottom plate weldments is restricted. This structure aids in easy installation and replacement of a sensor, and integrates the functions of anti-overturning and 360° inspection, and bottom stop. This makes the weighing module much more convenient to install than a conventional high-capacity module, and has a better safety function. The weighing module has advantage in terms of a simplified product structure, reduced cost of manufacture and maintenance, uncomplicated installation procedure, and higher safety and protection.
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公开(公告)号：US11965772B2
公开(公告)日：2024-04-23
申请号：US17265560
申请日：2019-01-23
申请人： Mettler Toledo Precision Instrument Company Limited , Mettler Toledo Measurement Technology Company Limited , Mettler-Toledo International Trading (Shanghai) Co., Ltd.
发明人： Haitao Zhang , Chunhui Li , Ping Zhang , Chenggang Ding , Tom Leahy
摘要： A calibration device is provided for a weighing system that has a tank with a plurality of support legs at a lower part thereof. The calibration device has at least one calibration module, a hydraulic system and a calibration terminal. An upper end of each calibration module is connected to an upper part of a corresponding support leg. A lower end of each calibration module is fixed to a foundation. A hose connects each calibration module to the hydraulic system for applying a force to the tank. The calibration terminal, connected to each calibration module, displays in real-time, the force applied to the tank. The calibration device can greatly improve the production efficiency, and in use, takes only two hours to complete the calibration, which is faster than the test weight and other calibration methods.
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公开(公告)号：US20200080886A1
公开(公告)日：2020-03-12
申请号：US16564191
申请日：2019-09-09
申请人： Mettler-Toledo (Changzhou) Precision Instruments Co., Ltd. , Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd. , Mettler-Toledo International Trading (Shanghai) Co., Ltd.
发明人： Rabin Shrestha , Tom Leahy , Ping Zhang , Ferenc Muranyi
摘要： A high-capacity weighing module has a top plate weldment (10), a bottom plate weldment (30) and a pressure-bearing assembly (20) that is between the top and bottom plate weldments. Motion between the respective top and bottom plate weldments is restricted. This structure aids in easy installation and replacement of a sensor, and integrates the functions of anti-overturning and 360° inspection, and bottom stop. This makes the weighing module much more convenient to install than a conventional high-capacity module, and has a better safety function. The weighing module has advantage in terms of a simplified product structure, reduced cost of manufacture and maintenance, uncomplicated installation procedure, and higher safety and protection.
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