公开(公告)号：US5596145A

公开(公告)日：1997-01-21

申请号：US315045

申请日：1994-09-29

Applicant: William C. Albert ,  Herbert T. Califano

Inventor： William C. Albert ,  Herbert T. Califano

IPC: G01L1/16 ,  G01L9/00 ,  G01P15/097 ,  G01P15/10 ,  G01P15/09

CPC classification number: G01P15/097 ,  G01L1/162 ,  G01L9/0022 ,  Y10S73/01

Abstract: A monolithic resonator for a vibrating beam device, either an accelerometer or a pressure transducer, includes an outer structure and an inner structure. The outer structure includes a mounting structure, a proof mass or pressure transfer structure and a plurality of flexure beams parallel for the accelerometer and perpendicular for the pressure transducer, extending between the mounting and either proof mass or pressure transfer structure. The inner structure is connected to the outer structure and contains isolator masses, isolator beams and a vibrating beam. The outer structure has a thickness greater than the intermediate thickness of the isolator masses which is in turn thicker than the inner structure thickness of the isolator beams and vibrating beam. The intermediate thickness is independently selected to achieve the ideal mass requirements of the vibration isolation mechanism.

Abstract translation: 用于振动束装置（加速度计或压力传感器）的单片谐振器包括外部结构和内部结构。 外部结构包括安装结构，检验质量块或压力传递结构以及平行于加速度计并且垂直于压力传感器的多个弯曲梁，其在安装和检测质量块或压力传递结构之间延伸。 内部结构连接到外部结构，并包含隔离块，隔离梁和振动梁。 外部结构的厚度大于隔离器质量的中间厚度，隔离器质量的厚度又大于隔离梁和振动梁的内部结构厚度。 独立选择中间厚度以达到隔振机构的理想质量要求。

公开(公告)号：US5220836A

公开(公告)日：1993-06-22

申请号：US613806

申请日：1990-12-26

Applicant: Klaus-Christoph Harms ,  Peter W. Krempl ,  Joseph Moik

Inventor： Klaus-Christoph Harms ,  Peter W. Krempl ,  Joseph Moik

IPC: G01D5/243 ,  G01L1/10 ,  G01L1/16 ,  G01L9/00 ,  G01L9/08

CPC classification number: G01L1/162 ,  G01L1/16 ,  G01L9/0022 ,  G01L9/08 ,  Y10S73/04

Abstract: A sensor containing at least one piezoelectric transducer element is operated via a common, single signal line in both possible operating modes--first, at low frequencies as a measuring element for a mechanical quantity upon utilization of the direct piezoeffect and, second, at higher frequencies as a piezoelectric resonator upon utilization of the inverse piezoeffect for electrical excitation of mechanical oscillations and of the direct piezoeffect for generating the piezoelectric reaction. A high-frequency signal (u.sup.HF, u.sub.F) that describes the resonant characteristic and a lower-frequency signal (u.sub.NF, u.sub.Q) that describes the mechanical influence are generated from the measured signal on the signal line. The faultless function of the sensor together with the appertaining measuring amplifier, for example, can thus be monitored immediately during a measurement with the sensor or a simultaneous measurement of two different quantities can be undertaken.

Abstract translation: PCT No.PCT / AT90 / 00033 Sec。 371日期1990年12月26日第 102（e）日期1990年12月26日PCT 1990年4月18日提交PCT公布。 WO90 / 13010PC PCT出版物 日期：1990年11月1日。包含至少一个压电换能器元件的传感器在两种可能的操作模式中通过公共的单个信号线进行操作 - 首先在低频下作为用于直接压电效应时机械量的测量元件 以及第二，在利用用于机械振荡的电激发的反向压电效应和用于产生压电反应的直接压电效应的压电谐振器的较高频率下。 从信号线上的测量信号产生描述谐振特性的高频信号（uHF，uF）和描述机械影响的低频信号（uNF，uQ）。 因此，可以在使用传感器进行测量期间立即监测传感器与相关测量放大器的无故障功能，或者可以进行两个不同数量的同时测量。

公开(公告)号：US5036715A

公开(公告)日：1991-08-06

申请号：US375186

申请日：1989-06-30

Applicant: Richard Hanson

Inventor： Richard Hanson

IPC: G01L1/16 ,  G01L9/00

CPC classification number: G01L9/0022 ,  G01L1/162 ,  Y10S73/10

Abstract: A force sensing assembly and particularly one which is especially suitable for use as a pressure transducer is disclosed herein. This assembly includes at least one and preferably a stacked pair of resonating type force sensing devices supported from one end in a cantilvered fashion.

Abstract translation: 本文公开了力感测组件，特别是特别适合用作压力换能器的组件。 该组件包括从一端以悬臂方式支撑的至少一个并且优选地是堆叠的一对谐振型力感测装置。

公开(公告)号：US4940915A

公开(公告)日：1990-07-10

申请号：US266405

申请日：1988-11-02

Applicant: Douglas R. Scott ,  Peggy L. Goddard ,  Joseph P. Wagner

Inventor： Douglas R. Scott ,  Peggy L. Goddard ,  Joseph P. Wagner

IPC: G01L1/16

CPC classification number: G01L1/162

Abstract: An oscillating crystal force transducer and method of making the same are provided, the transducer comprising support structure, a plate-shaped piezo-electric crystal having opposed sides and a peripheral edge extending between the opposed sides, and two seating members carried by the support structure and respectively engaging the peripheral edge of the crystal and arranged to apply a force to the crystal along a line extending through the crystal from one of the seating members to the other of the seating members, the support structure comprising a looped spring member having opposed ends spaced from each other to define the mouth of the looped spring member and respectively carrying the seating members whereby the crystal is disposed in the mouth of the looped spring member between the seating members thereof.

Abstract translation: 提供了振荡晶体力传感器及其制造方法，换能器包括支撑结构，具有相对侧面的板状压电晶体和在相对侧之间延伸的周边边缘，以及由支撑结构承载的两个座部件 并且分别接合晶体的周边边缘并且被布置成沿着从一个座部件到另一个座部件的延伸穿过晶体的线向晶体施加力，所述支撑结构包括环形弹簧件，其具有相对端 彼此间隔开以限定环形弹簧构件的口部并且分别承载着座构件，由此将晶体设置在其环形弹簧构件的口部之间。

公开(公告)号：US4739211A

公开(公告)日：1988-04-19

申请号：US3982

申请日：1987-01-16

Applicant: John S. Strachan

Inventor： John S. Strachan

IPC: H01L41/08 ,  G01L1/16

CPC classification number: G01L1/162 ,  Y10S310/80

Abstract: A force transducer device adapted to function in a system having electrical means to cause the device to oscillate at its natural resonant frequency and means to monitor said frequency, the device having an intermediate resilient member being capable of mechanically oscillating at a natural resonant frequency, at least two piezoelectric transducers mounted on said resilient member and means for connecting the transducer sheets into said system, is disclosed herein.

公开(公告)号：US4735103A

公开(公告)日：1988-04-05

申请号：US915469

申请日：1986-10-06

Applicant: Yves Mussard ,  Michel Christen

Inventor： Yves Mussard ,  Michel Christen

IPC: G01L1/10 ,  G01L1/16 ,  G01L1/26

CPC classification number: G01L1/26 ,  G01L1/162 ,  Y10S73/01

Abstract: A force sensor comprising a resonator (10) having a frequency that varies with the force being measured. The resonator includes an oscillatory bar (101, 102) and a pair of anchor members (12, 103, 104) that are connected each to a corresponding end portion of the bar and which are adapted to apply the force having to be measured to the bar. The sensor further comprises a tube (16) that surrounds the resonator and which is rigidly secured by its end portions to the anchor members (12).

Abstract translation: 一种力传感器，包括具有随测量力而变化的频率的谐振器（10）。 谐振器包括振荡杆（101,102）和一对锚固构件（12,103,104），每个锚定构件（12,103,104）各自连接到杆的相应端部，并且适于将必须被测量的力施加到 酒吧。 传感器还包括围绕谐振器并且通过其端部被牢固地固定到锚定构件（12）的管（16）。

公开(公告)号：US4656383A

公开(公告)日：1987-04-07

申请号：US829728

申请日：1986-02-14

Applicant: William C. Albert

Inventor： William C. Albert

IPC: G01L1/10 ,  G01L1/16 ,  G01P15/097 ,  G01P15/10 ,  H01L41/08

CPC classification number: G01P15/097 ,  G01L1/162 ,  Y10S73/01

Abstract: A force transducer having a vibratory member either a beam or a string and means for effectively isolating the vibratory member from its end mounts over the range of its operating frequencies to eliminate energy loss to the mounts. The axial stresses, either tension or compression, are directly transferred to the vibratory member to affect its natural resonant frequency. Isolation at vibration frequencies is effected by the cooperation of combined isolator masses and isolator springs with the vibratory member. The isolator masses comprise two bars extending from each end support of the vibratory member, each being coextensive with a portion of the support member. The pairs of masses are axially separated. The isolator springs comprise two single thin, spaced resilient members, each isolator spring connecting a single end support of the member and a single transducer end mount.

Abstract translation: 一种力传感器，其具有梁或弦的振动构件，以及用于在其工作频率的范围内有效隔离振动构件与其端部安装件的装置，以消除对支架的能量损失。 张力或压缩的轴向应力直接传递到振动构件，以影响其固有谐振频率。 振动频率下的隔离是通过组合的隔离器质量和隔离器弹簧与振动构件的配合来实现的。 隔离器质量包括从振动构件的每个端部支撑件延伸的两个杆，每个杆与支撑构件的一部分共同延伸。 这对质量轴向分离。 隔离器弹簧包括两个单个薄的间隔开的弹性构件，每个隔离器弹簧连接构件的单个端部支撑件和单个换能器端部安装件。

公开(公告)号：US4600855A

公开(公告)日：1986-07-15

申请号：US739188

申请日：1985-05-30

Applicant: J. Scott Strachan

Inventor： J. Scott Strachan

IPC: H01L41/08 ,  G01L1/16

CPC classification number: G01L1/162 ,  Y10S310/80

Abstract: An apparatus for measuring pressure within a conduit is disclosed preferably comprising a tube whose resonant frequency varies with the pressure of fluid within the tube; means for passing the fluid to be measured through the tube; two active piezoelectric films disposed in intimate contact with the tube on opposite sides thereof; first electronic means for energizing the first of the films to cause the tube to resonate at its natural frequency, and second electronic means connected to the other of the films to monitor the frequency of the tube.

Abstract translation: 公开了一种用于测量导管内的压力的装置，其优选地包括其谐振频率随着管内的流体的压力而变化的管; 用于使待测流体通过管的装置; 两个有效的压电薄膜在其相对侧与管子紧密接触地设置; 第一电子装置，用于激励第一薄膜以引起管以其固有频率谐振;以及第二电子装置，连接到另一个薄膜以监测管的频率。

公开(公告)号：US3470400A

公开(公告)日：1969-09-30

申请号：US3470400D

申请日：1967-12-21

Applicant: SINGER GENERAL PRECISION

Inventor： WEISBORD LEON

IPC: G01L1/16 ,  G01P15/097 ,  G01P15/10 ,  H02K33/00 ,  H02K35/00 ,  H03B5/32

CPC classification number: G01P15/097 ,  G01L1/162 ,  Y10S73/01 ,  Y10S73/04

公开(公告)号：US20240288322A1

公开(公告)日：2024-08-29

申请号：US18572105

申请日：2022-06-21

Applicant: Digi Sens AG

Inventor： Ingo Leonard

IPC: G01L1/10 ,  G01L1/16

CPC classification number: G01L1/106 ,  G01L1/162

Abstract: The invention relates to a vibrating bridge for a vibrating-wire sensor, comprising opposing clamping points for connecting the vibrating bridge to the vibrating-wire sensor and comprising multiple vibrators which are provided between the clamping points and which are mechanically connected to the securing points and can be tensioned via the securing points, wherein one of the vibrators is free of a vibration exciter or vibration detector, and another vibrator is provided with a vibration exciter.