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公开(公告)号：US5257549A
公开(公告)日：1993-11-02
申请号：US729273
申请日：1991-07-12
Applicant: Philip J. Mole
Inventor： Philip J. Mole
CPC classification number: G01G3/1406 , G01L1/083
Abstract: A variable load cell arrangement operative for precisely measuring loads over a range beyond the range of a single conventional single low range load cell. The arrangement includes a low range measuring element positioned in a case and having one end adapted to be connected through the case to a load and the opposing end coupled to a fixed reference. A variable pressure means, such as a controllable bellows, is interposed in the case between the load element and an end of the case whereby a predetermined force may be selectively applied to the load measuring element in a direction opposing the load to relieve the strain on the element and permit it to continue to function in an extended range. Electrical circuits, including Wheatstone bridges, are coupled to the load measuring element and provide an electrical output indicative of the applied load and an electrical output that is used to control the variable pressure means.
Abstract translation: 一种可变称重传感器装置，用于在单个常规单个低范围称重传感器的范围之外的范围内精确测量载荷。 该装置包括定位在壳体中的低范围测量元件，并且其一端适于通过壳体连接到负载，并且相对端耦合到固定基准。 诸如可控的波纹管之类的可变压力装置被插入在负载元件和壳体的端部之间的壳体中，由此可以以与负载相反的方向选择性地将负载测量元件施加预定的力以减轻应变 该元件并允许其在更大范围内继续运行。 包括惠斯通电桥的电路耦合到负载测量元件，并提供指示施加的负载的电输出和用于控制可变压力装置的电输出。
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公开(公告)号：US3945257A
公开(公告)日：1976-03-23
申请号：US487864
申请日：1974-07-12
Applicant: Jacob R. Rosenfeld
Inventor： Jacob R. Rosenfeld
CPC classification number: G01L1/083 , F16J15/50 , Y10T74/20582
Abstract: A force balance transmitter having a substantially flat base plate detachably carrying a primary unit and a secondary unit on an upper substantially flat surface thereof. A bell crank flexure pivot operatively interconnects a primary arm of the primary unit to a secondary arm of the secondary unit.
Abstract translation: 一种力平衡传动器，其具有可拆卸地承载主单元和基本上平坦表面上的次级单元的基本平坦的基板。 钟形曲柄挠曲枢轴可操作地将主单元的主臂与次级单元的辅助臂相互连接。
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公开(公告)号：US4388943A
公开(公告)日：1983-06-21
申请号：US261242
申请日：1981-05-06
Applicant: Juhani Kukkula
Inventor： Juhani Kukkula
CPC classification number: G01D5/46 , G01L1/083 , G01L11/006 , Y10T137/2409 , Y10T74/206
Abstract: A linkage for use in moment balancing measuring apparatus of the pneumatic type includes first and second pivotally mounted levers, the second lever being adapted to be acted upon by a measuring force and the first lever being adapted to be acted upon by a pneumatic force for balancing the linkage. According to the invention, apparatus are provided for adjustably varying the leverage ratio of the linkage, i.e., the ratio of the pneumatic force to the measuring force according to the particular application to which the linkage is put. The leverage ratio adjusting apparatus includes a rod-like member having one end rotatably attached to one of the levers and first locking means for selectively securing the rod-like member in a particular position corresponding to the particular application to which the linkage is put.
Abstract translation: 用于气动式力矩平衡测量装置的联动装置包括第一和第二枢转安装的杠杆，第二杆适于通过测量力作用，并且第一杆适于通过用于平衡的气动作用 联动。 根据本发明，提供了一种装置，用于可调节地改变联动装置的杠杆比，即根据连杆所在的具体应用的气动力与测量力之比。 杠杆比调节装置包括杆状构件，其一端可旋转地附接到一个杆和第一锁定装置，用于选择性地将杆状构件固定在对应于连杆所在的特定应用的特定位置。
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公开(公告)号：US3739798A
公开(公告)日：1973-06-19
申请号：US3739798D
申请日：1971-02-18
Applicant: COMPTEURS COMP D
Inventor： DUCOUSSET R
CPC classification number: F15C3/14 , G01L1/083 , Y10T137/2409 , Y10T137/2452
Abstract: In the several preferred embodiments of the present invention disclosed herein, a pneumatic controller is provided with a depending flexible vane which is cooperatively arranged and positioned to be moved in relation to a gas-bleed orifice for selectively regulating the pressure of a gaseous control media being supplied to a pressure-responsive control device. To control the movements of the vane, a variable force is applied to the vane to selectively deflect it in response to variations of a measured condition. Proportional feedback is provided in a unique fashion by supplying the regulated gas to one or more nozzles which are arranged to jet gas against the vane for reestablishing the equilibrium of the vane in accordance with the regulated gas pressure.
Abstract translation: 在本文公开的本发明的几个优选实施例中，气动控制器设置有依赖的柔性叶片，该柔性叶片协同地布置和定位成相对于气体排放孔移动，用于选择性地调节气体控制介质的压力， 提供给压力响应控制装置。 为了控制叶片的运动，响应于测量条件的变化，向叶片施加可变的力以选择性地偏转叶片。 通过将调节的气体供应到一个或多个喷嘴来提供比例反馈，所述喷嘴布置成喷射气体抵靠叶片，以根据调节的气体压力重新建立叶片的平衡。
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公开(公告)号：US11703401B2
公开(公告)日：2023-07-18
申请号：US17253632
申请日：2020-05-12
Applicant: ZHEJIANG UNIVERSITY
Inventor： Jinyuan Qian , Congwei Hou , Juan Mu , Zhijiang Jin
Abstract: Provided are a device and a measuring method for measuring an unbalanced moment on a bottom surface of a circular valve core. The device includes a diverging shaped tube, a water tank, a transparent tube, spring dynamometers, laser sources, a circular valve core, and a high-speed camera with a camera stand. Inner shackles and the laser sources are evenly distributed on an outer side of the circular valve core of the device, the spring dynamometers are connected with the inner shackles and with the outer shackles evenly distributed on an inner wall of the transparent tube. The method records an unbalanced state of the circular valve core under an impact of water flow from different orientations with the high-speed camera on the camera stand, the location of the laser point on the outer wall and a tension force of the spring dynamometer are read to calculate a torque of the circular valve core.
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Patent Agency Ranking
公开(公告)号：US3139750A
公开(公告)日：1964-07-07
申请号：US13374661
申请日：1961-08-24
Applicant: SMITH MAX R , HOWELL MELVIN D
Inventor： SMITH MAX R , HOWELL MELVIN D
IPC: G01L1/08
CPC classification number: G01L1/083
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公开(公告)号：US20180306653A1
公开(公告)日：2018-10-25
申请号：US15771386
申请日：2016-03-30
Applicant: SHENZHEN UNIVERSITY
Inventor： Dong SU , Yueqin JIANG , Xiaohua BAO , Zhongliang YU
Abstract: A zero-strain soil pressure sensor includes a shell provided with a hydraulic oil cavity and a cavity located below the hydraulic oil cavity, a processor, an outer elastic film arranged at the upper end of the hydraulic oil cavity, an inner elastic film arranged between the hydraulic oil cavity and the cavity, an outer strain bridge circuit connected with the outer elastic film, an inner strain bridge circuit connected with the inner elastic film, a piston communicated with the hydraulic oil cavity, and a driving mechanism connected with the piston. The outer strain bridge circuit, the inner strain bridge circuit and the driving mechanism are electrically connected with the processor. The invention has the beneficial effect that the piston is driven by the driving mechanism to control the oil pressure in the hydraulic oil cavity, external soil pressure is balanced through the oil pressure to keep the outer elastic film in an non-deforming state all the time, and only the inner elastic film is deformed, so that the soil arch effect and soil displacement are avoided, and thus the liquid pressure measured by the inner elastic film is the soil pressure, and the measurement result is more accurate.
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公开(公告)号：US5886268A
公开(公告)日：1999-03-23
申请号：US930807
申请日：1997-10-08
Applicant: Sven-Erik Larsson
Inventor： Sven-Erik Larsson
CPC classification number: G01N11/10 , G01L1/083 , G01L5/12 , G01N3/06 , G01N2203/0226
Abstract: A method for measurement of axial forces acting on a shaft, being supplied with gas under overpressure such that gas pressure is built up between two opposing faces of said portion projecting radially from the shaft and at least one gas-permeable body provided external to said faces. A gas differential between the gas pressure on said opposing faces is established, and the axial force acting on said shaft is determined as a product of a constant and the pressure differential between the gas pressures on the two faces. Means are provided for supply of gas under overpressure to said body and pressure measuring means are provided for measurement of the pressure differential between the pressures on the two faces of the radially projecting portion. The protruding portion may also constitute a measuring plate which, provided in various manners, is subjected to forces.
Abstract translation: PCT No.PCT / SE96 / 00473 Sec。 371日期1997年10月8日第 102（e）日期1997年10月8日PCT 1996年4月11日PCT PCT。 公开号WO96 / 32630 日期：1996年10月17日一种用于测量作用在轴上的轴向力的方法，其在超压下被供给气体，使得在从所述轴径向突出的所述部分的两个相对面之间建立气体压力，并且至少一个透气体 设置在所述面部外部。 建立在所述相对面上的气体压力之间的气体差压，并且作用在所述轴上的轴向力被确定为常数与两个面之间的气体压力之间的压力差的乘积。 提供用于在超压下向所述主体供应气体的装置，并且提供压力测量装置用于测量径向突出部分的两个表面之间的压力之间的压力差。 突出部也可以构成以各种方式设置受力的测量板。
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公开(公告)号：US3320809A
公开(公告)日：1967-05-23
申请号：US23756562
申请日：1962-11-14
Applicant: GARRETT CORP
Inventor： ANDRAE FRITZ L
CPC classification number: G01L5/18 , G01L1/083 , G01L11/004 , G01L13/023
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公开(公告)号：US11644375B2
公开(公告)日：2023-05-09
申请号：US17010905
申请日：2020-09-03
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Carlos Roberto Romero , Farid Arturo Quiroz
Abstract: In accordance with an exemplary embodiment, a measurement device is provided that includes an actuator module, a control module, a load cell module, a processing module, and a notification module. The actuator module includes an actuator. The control module includes one or more actuator controllers configured to control the actuator. The load cell module includes one or more motors configured to set orientation of attachments points for the actuator with respect to a component relative to a location of a user. The processing module includes a processor configured to receive and analyze information from the load cell module pertaining to an insertion force for the component. The notification module is configured to provide a notification based on the analyzing performed by the processing module.
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