公开(公告)号：US2319299A

公开(公告)日：1943-05-18

申请号：US30000139

申请日：1939-10-18

Applicant: CONVERSE FREDERICK J

Inventor： CONVERSE FREDERICK J

IPC: G01L1/04

CPC classification number: G01L1/044

公开(公告)号：US20240077369A1

公开(公告)日：2024-03-07

申请号：US18227440

申请日：2023-07-28

Applicant: IPR Innovative Products Resources, Inc.

Inventor： Paul D OKULOV

IPC: G01L1/00 ,  G01L1/04 ,  G01M5/00

CPC classification number: G01L1/005 ,  G01L1/04 ,  G01L1/044 ,  G01M5/0033 ,  G01M5/0083 ,  B81B2201/02

Abstract: A low power consumption multi-contact micro electro-mechanical strain/displacement sensor and miniature autonomous self-contained systems for recording of stress and usage history with direct output suitable for fatigue and load spectrum analysis are provided. In aerospace applications the system can assist in prediction of fatigue of a component subject to mechanical stresses as well as in harmonizing maintenance and overhauls intervals. In alternative applications, i.e. civil structures, general machinery, marine and submarine vessels, etc., the system can autonomously record strain history, strain spectrum or maximum values of the strain over a prolonged period of time using an internal power supply or a power supply combined with an energy harvesting device. The sensor is based on MEMS technology and incorporates a micro array of flexible micro or nano-size cantilevers. The system can have extremely low power consumption while maintaining precision and temperature/humidify independence.

公开(公告)号：US20180067001A1

公开(公告)日：2018-03-08

申请号：US15674243

申请日：2017-08-10

Applicant: Robert Bosch GmbH

Inventor： Peter Thierbach ,  Steffen Klein

IPC: G01L1/12

CPC classification number: G01L1/12 ,  A01B59/069 ,  A01B61/02 ,  A01B63/00 ,  A01B63/11 ,  A01B63/111 ,  G01L1/044 ,  G01L1/122 ,  G01L5/0004 ,  G01L5/136

Abstract: A force sensor is suitable for an electrohydraulic hitch control system of an agricultural tractor. The force sensor has an outer cylindrical part with a bore and a measuring rod fixed on one side in the bore. A central section of the cylindrical part is provided as force introduction section. Two outer sections of the cylinder part are removed equally far axially from the center of the force introduction section and are provided as abutment sections. The measuring rod is clamped in an area of the force introduction section.

公开(公告)号：US20180009335A1

公开(公告)日：2018-01-11

申请号：US15636107

申请日：2017-06-28

Applicant: Crouzet Automatismes

Inventor： Dorian Laugt ,  Ludovic Niguet ,  Patrick Duvallet

IPC: B60N2/00 ,  B60N2/64 ,  B60N2/44 ,  G01L1/04 ,  B60R21/015

CPC classification number: B60N2/002 ,  B60N2/64 ,  B60N2/70 ,  B60R21/01516 ,  B60R21/0152 ,  G01G19/4142 ,  G01L1/04 ,  G01L1/044 ,  G01L5/0038 ,  G01L5/0057

Abstract: An illustrative device capable of detecting a bearing force includes a support rigid by tension and at least one plate that is elastically deformable by the bearing force from a bent conformation in which the plate exhibits a convex bearing face on which the bearing force to be detected is directly exerted and to a more flattened conformation in which the convex bearing face is more flattened. The illustrative device further includes a spring capable of permanently straining the plate to its bent conformation, a guiding mechanism mounted on the support and capable of guiding the free distal end of the plate in translation along a translation axis at right angles to the direction of indentation, and a sensor capable of detecting a displacement of the free distal end along the translation axis to detect the bearing force.

公开(公告)号：US20170241827A1

公开(公告)日：2017-08-24

申请号：US15195015

申请日：2016-06-28

Applicant: i2A Systems Co., Ltd.

Inventor： Pilwon HEO ,  Gwangmin GU

IPC: G01G3/14 ,  G01G23/00

CPC classification number: G01L1/044 ,  G01G21/161

Abstract: Disclosed is a force sensor and an apparatus having the sensor for measuring weight. The force sensor and apparatus can enhance detection sensitivity by amplifying a displacement of an elastic body having high strength, thereby measuring weight. The sensor includes: a base; an elastic structure provided as a housing disposed on the base, and downwardly deformed when weight is applied to the elastic structure; an adjusting member coupled to an upper surface of the elastic structure by penetrating the upper surface; a lever disposed below the elastic structure, and amplifying a displacement of the elastic structure transferred via the adjusting member by being in contact with the adjusting member; a sensor disposed above the base, and generating an electric signal indicative of a distance from the sensor to the lever; and a circuit board disposed between an upper surface of the base and a lower surface of the sensor.

公开(公告)号：US20170067774A1

公开(公告)日：2017-03-09

申请号：US15340116

申请日：2016-11-01

Applicant: Genetrainer Limited

Inventor： Julian GOUGH ,  Alexander KALOGROULIS ,  Ralph PETHICA ,  Patrick DURA

IPC: G01G19/52 ,  G01G19/44

CPC classification number: G01G19/52 ,  A61G7/0527 ,  A61G2203/44 ,  G01G3/1402 ,  G01G3/141 ,  G01G19/445 ,  G01G21/23 ,  G01L1/044 ,  G01L1/2206

Abstract: A weight sensor may include a weighing platform and a load cell coupled to the platform to sense a weight applied to the platform, the load cell may include a deformable plate with one or more strain gauges arranged to provide an electrical signal representing the weight applied to the platform, and a base supporting the load cell, wherein the deformable plate is movably mounted to the base at only three contact points, the contact points allowing lateral movement of the plate when the plate deforms in response to a weight applied to the platform. The weight sensor makes it possible to monitor the weight and weight shifting of two people sharing the bed. The weight sensor is self-centering when a load is applied off-center to the platform, which is beneficial when used underneath a bed, e.g., under a bed leg or other support member which may not be aligned.

Abstract translation: 重量传感器可以包括称重平台和耦合到平台的负载传感器以感测施加到平台的重量，测力传感器可以包括具有一个或多个应变仪的可变形板，所述应变仪布置成提供表示施加到 平台和支撑测力传感器的基座，其中可变形板仅在三个接触点处可移动地安装到基座，当板响应于施加到平台的重量而变形时，接触点允许板的横向移动。 重量传感器可以监控两个人共享床的重量和重量。 当负载偏移到平台上时，重量传感器是自对中的，当在床下方（例如在床腿或其他可能不对准的支撑构件）下使用时，这是有益的。

公开(公告)号：US20160245354A1

公开(公告)日：2016-08-25

申请号：US15144999

申请日：2016-05-03

Applicant: Massachusetts Institute of Technology

Inventor： Jocelyn Maxine Kluger ,  Alexander Henry Slocum ,  Themistoklis Panagiotis Sapsis

IPC: F16F1/22 ,  G01B11/16 ,  G01B7/16 ,  G01L1/04

CPC classification number: F16F1/22 ,  F03G1/00 ,  F03G1/02 ,  F03G1/10 ,  F03G7/08 ,  F16F7/104 ,  F16F15/035 ,  G01B7/16 ,  G01B11/16 ,  G01L1/00 ,  G01L1/044 ,  H02K7/1876 ,  H02K35/02

Abstract: Nonlinear spring. In one embodiment, the spring includes two opposed curved surfaces curving away from one another. A flexible cantilever member is disposed between the two opposed curved surfaces and a mass is attached to a free end of the cantilever member wherein the flexible cantilever member wraps around one of the curved surfaces as the cantilever member deflects to form a nonlinear spring. Energy harvesting devices and a load cell are also disclosed.

公开(公告)号：US20150233440A1

公开(公告)日：2015-08-20

申请号：US14603492

申请日：2015-01-23

Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： Jocelyn Maxine Kluger ,  Alexander Henry Slocum ,  Themistoklis Panagiotis Sapsis

IPC: F16F1/22 ,  H02K7/18 ,  G01L1/00 ,  F03G1/00

CPC classification number: F16F1/22 ,  F03G1/00 ,  F03G1/02 ,  F03G1/10 ,  F03G7/08 ,  F16F7/104 ,  F16F15/035 ,  G01B7/16 ,  G01B11/16 ,  G01L1/00 ,  G01L1/044 ,  H02K7/1876 ,  H02K35/02

Abstract: Nonlinear spring. In one embodiment, the spring includes two opposed curved surfaces curving away from one another. A flexible cantilever member is disposed between the two opposed curved surfaces and a mass is attached to a free end of the cantilever member wherein the flexible cantilever member wraps around one of the curved surfaces as the cantilever member deflects to form a nonlinear spring. Energy harvesting devices and a load cell are also disclosed.

Abstract translation: 非线性弹簧 在一个实施例中，弹簧包括相互弯曲的两个相对的弯曲表面。 柔性悬臂构件设置在两个相对的弯曲表面之间，并且质量块附接到悬臂构件的自由端，其中当悬臂构件偏转以形成非线性弹簧时，柔性悬臂构件围绕其中一个弯曲表面卷绕。 还公开了能量收集装置和称重传感器。

公开(公告)号：US20150177082A1

公开(公告)日：2015-06-25

申请号：US14640022

申请日：2015-03-06

Applicant: KABUSHIKI KAISHA YASKAWA DENKI ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Renshi SAWADA ,  Toshihiro TAKESHITA ,  Takuma IWASAKI ,  Yuji ARINAGA

IPC: G01L1/24 ,  A61B5/00 ,  B25J9/16 ,  G01L5/00 ,  G01B11/16

CPC classification number: G01L1/241 ,  A61B5/445 ,  B25J9/1697 ,  G01B11/16 ,  G01L1/044 ,  G01L1/24 ,  G01L5/0047 ,  G01L5/166 ,  G01L5/221 ,  Y10S901/47

Abstract: A force sensor according to embodiments includes a light-emitting unit, a pair of first light detectors, a reflector, and a first frame. The light-emitting unit emits diffuse light. The first light detectors are arranged in a first direction with the light-emitting unit interposed therebetween. The reflector is arranged to face the light-emitting unit on an optical axis of the light-emitting unit and reflects the diffuse light emitted from the light-emitting unit toward the first light detectors. The first frame is deformed in the first direction so that a reflection range of the diffuse light reflected by the reflector is displaced in the first direction.

Abstract translation: 根据实施例的力传感器包括发光单元，一对第一光检测器，反射器和第一框架。 发光单元发射漫射光。 第一光检测器被布置在第一方向上，发光单元插入其间。 反射器被布置为在发光单元的光轴上面向发光单元，并将从发光单元发射的漫射光朝向第一光检测器反射。 第一框架在第一方向上变形，使得由反射器反射的漫射光的反射范围在第一方向上移位。

公开(公告)号：US20140174835A1

公开(公告)日：2014-06-26

申请号：US13726450

申请日：2012-12-24

Applicant: FRESENIUS MEDICAL CARE HOLDINGS, INC.

Inventor： Barry Neil Fulkerson ,  Joe Fazio ,  Alec Huang ,  Brian Thomas Kelly ,  Tam Nolan ,  Mark Smith

IPC: G01G19/14

CPC classification number: G01G17/04 ,  A61M1/3621 ,  A61M2205/3393 ,  B01D61/30 ,  G01G3/15 ,  G01G19/14 ,  G01L1/04 ,  G01L1/044 ,  G01L1/046

Abstract: A load suspension and weighing system for a removable reservoir unit of a portable dialysis machine includes a centrally located flexure assembly. The flexure assembly includes magnets and a number of flexure rings which allow for movement of the magnets about a fixed circuit board. Sensors in the circuit board sense changes in the magnetic field as the magnets move in relation to the circuit board. The magnetic field changes produce a voltage output which is used by a processor to generate weight calculations. The top of the flexure assembly is attached to the interior of the dialysis machine. The entirety of the reservoir unit is suspended by a first internal frame that is attached to the bottom of the flexure assembly. Having a single flexure assembly positioned above the reservoir unit provides more accurate weight measurements while also preventing damage to the assembly from water spillage.

Abstract translation: 用于便携式透析机的可移动储存器单元的负载悬挂和称重系统包括位于中心的挠曲组件。 挠曲组件包括磁体和允许磁体围绕固定电路板移动的多个挠性环。 当磁体相对于电路板移动时，电路板感应器中的传感器磁场的变化。 磁场变化产生电压输出，由处理器用于产生重量计算。 挠曲组件的顶部连接到透析机的内部。 储存器单元的整体由连接到挠曲组件的底部的第一内部框架悬挂。 设置在储存器单元上方的单个挠曲组件提供更精确的重量测量，同时还防止组件从水溢出中的损坏。