公开(公告)号：US06615664B1

公开(公告)日：2003-09-09

申请号：US09958419

申请日：2002-01-22

Applicant: Eric Donzier ,  Fadhel Rezgui ,  Alfred Permuy

Inventor： Eric Donzier ,  Fadhel Rezgui ,  Alfred Permuy

IPC: G01L900

CPC classification number: G01L9/002 ,  G01L9/0019

Abstract: The invention relates to a method of measuring pressure in which an evacuated capsule (1) containing a resonant element (5) is placed in the fluid whose pressure is to be measured, a vibration characteristic of the element is measured, and the pressure is deduced from said characteristic. A resonant element is used which, during measurement, is to be found in a stress state that is close to buckling. For this purpose, it is possible to use heater means for heating the element and servo-controlled so as to keep the frequency of vibration thereof constant. The resonant element can be made of silicon. The invention is particularly applicable to oil wells.

Abstract translation: 本发明涉及一种测量压力的方法，其中将含有共振元件（5）的抽真空的胶囊（1）放置在要测量其压力的流体中，测量元件的振动特性，并推导出压力 从所述特征。 使用谐振元件，其在测量期间被发现在接近屈曲的应力状态。 为此，可以使用用于加热元件并进行伺服控制的加热器装置，以保持其振动频率恒定。 谐振元件可以由硅制成。 本发明特别适用于油井。

公开(公告)号：US20080257036A1

公开(公告)日：2008-10-23

申请号：US12097901

申请日：2006-12-27

Applicant: Francois Chaudoreille ,  Alfred Permuy ,  Eric Donzier

Inventor： Francois Chaudoreille ,  Alfred Permuy ,  Eric Donzier

IPC: G01N9/34

CPC classification number: G01N9/002 ,  G01N11/16

Abstract: A density and viscosity sensor 1 for measuring density and viscosity of fluid F, the sensor 1 comprising: a resonating element 3, 3A, 3B, 3C, 3D, 3E, 3F, 3G arranged to be immersed in the fluid F, an actuating/detecting element 4, 4A, 4B coupled to the resonating element, a connector 7 for coupling to the actuating/detecting element 4, 4A, 4B, a housing 2 defining a chamber 8A isolated from the fluid F, the housing 2 comprising an area of reduced thickness defining a membrane 9 separating the chamber 8A from the fluid F, the membrane 9 having a thickness enabling transfer of mechanical vibration between the actuating/detecting element 4, 4A, 4B and the resonating element 3, 3A, 3B, 3C, 3D, 3E, 3F, 3G, the actuating/detecting element 4, 4A, 4B is positioned within the chamber so as to be isolated from the fluid F and mechanically coupled to the membrane 9, the resonating element 3, 3A, 3B, 3C, 3D, 3E, 3F, 3G arranged to be immersed in the fluid F is mechanically coupled to the membrane 9, wherein the resonating element 3, 3A, 3B, 3C, 3D, 3E, 3F, 3G has a shape defining a first resonance mode and a second resonance mode characterized by different resonant frequencies F1, F2 and different quality factors Q1, Q2, the first resonance mode moving a volume of fluid, the second mode shearing a surrounding fluid.

Abstract translation: 用于测量流体F的密度和粘度的密度和粘度传感器1，传感器1包括：谐振元件3,3A，3B，3C，3D，3E，3F，3G，被布置成浸入 流体F，耦合到谐振元件的致动/检测元件4,4A，4B，用于联接到致动/检测元件4,4A，4B的连接器7，限定腔室8A的壳体2隔离 来自流体F的壳体2包括减小厚度的区域，其限定了将腔室8A与流体F分隔开的膜9，膜9具有能够在致动/检测元件4,4A之间传递机械振动的厚度， 4 B和谐振元件3,3A，3B，3C，3D，3E，3F，3G，致动/检测元件4,4A，4B位于室内，以便 从流体F隔离并机械耦合到膜9，布置成浸没在流体F中的谐振元件3,3A，3B，3C，3D，3E，3F，3G是机械 耦合到膜9，其中谐振元件3,3A，3B，3C，3D，3E，3F，3G具有限定第一共振模式的形状和以不同谐振为特征的第二谐振模式 频率F 1，F 2和不同的质量因子Q 1，Q 2，第一共振模式移动a 流体体积，第二模式剪切周围液体。

公开(公告)号：US20080156093A1

公开(公告)日：2008-07-03

申请号：US11817404

申请日：2006-02-24

Applicant: Alfred Permuy ,  Eric Donzier

Inventor： Alfred Permuy ,  Eric Donzier

IPC: G01N9/00 ,  G01N11/00

CPC classification number: G01N9/002 ,  G01N11/16

Abstract: A density and viscosity sensor 1 for measuring density and viscosity of fluid F, the sensor 1 comprising a resonating element 3, 3A, 3B, 3C, 3D arranged to be immersed in the fluid F, an actuating/detecting element 4A, 4B coupled to the resonating element, and a connector 7 for coupling to the actuating/detecting element 4A, 4B. The sensor 1 further comprises a housing 2 defining a chamber 8A isolated from the fluid F, the housing 2 comprising an area of reduced thickness defining a membrane 9 separating the chamber 8A from the fluid F. The actuating/detecting element 4A, 4B is positioned within the chamber so as to be isolated from the fluid F and mechanically coupled to the membrane 9. The resonating element 3, 3A, 3B, 3C, 3D arranged to be immersed in the fluid F is mechanically coupled to the membrane 9. The membrane 9 has a thickness enabling transfer of mechanical vibration between the actuating/detecting element 4A, 4B and the resonating element 3, 3A, 3B, 3C, 3D.

Abstract translation: 用于测量流体F的密度和粘度的密度和粘度传感器1，传感器1包括布置成浸没在流体F中的谐振元件3,3A，3B，3C，3D，致动/检测元件4 耦合到谐振元件的A，4B，以及用于耦合到致动/检测元件4A，4B的连接器7.传感器1还包括限定与流体F隔离的室8A的壳体2，壳体2 包括减小厚度的区域，其限定将腔室8A与流体F分隔开的膜9.致动/检测元件4A，4B定位在腔室内，以便与流体F隔离并且机械地联接到膜 9。 布置成浸没在流体F中的谐振元件3,3A，3B，3C，3D机械耦合到膜9。 膜9具有能够在致动/检测元件4A，4B与谐振元件3,3A，3B，3C，3D之间传递机械振动的厚度。

公开(公告)号：US07958772B2

公开(公告)日：2011-06-14

申请号：US11817404

申请日：2006-02-24

Applicant: Alfred Permuy ,  Eric Donzier

Inventor： Alfred Permuy ,  Eric Donzier

IPC: G01N11/16 ,  G01N9/34

CPC classification number: G01N9/002 ,  G01N11/16

Abstract: A density and viscosity sensor 1 for measuring density and viscosity of fluid F, the sensor 1 comprising a resonating element 3, 3A, 3B, 3C, 3D arranged to be immersed in the fluid F, an actuating/detecting element 4A, 4B coupled to the resonating element, and a connector 7 for coupling to the actuating/detecting element 4A, 4B. The sensor 1 further comprises a housing 2 defining a chamber 8A isolated from the fluid F, the housing 2 comprising an area of reduced thickness defining a membrane 9 separating the chamber 8A from the fluid F. The actuating/detecting element 4A, 4B is positioned within the chamber so as to be isolated from the fluid F and mechanically coupled to the membrane 9. The resonating element 3, 3A, 3B, 3C, 3D arranged to be immersed in the fluid F is mechanically coupled to the membrane 9. The membrane 9 has a thickness enabling transfer of mechanical vibration between the actuating/detecting element 4A, 4B and the resonating element 3, 3A, 3B, 3C, 3D.

Abstract translation: 用于测量流体F的密度和粘度的密度和粘度传感器1，传感器1包括布置成浸没在流体F中的谐振元件3,3A，3B，3C，3D，耦合到 谐振元件和用于耦合到致动/检测元件4A，4B的连接器7。 传感器1还包括限定从流体F隔离的腔室8A的壳体2，壳体2包括减小厚度的区域，其限定将腔室8A与流体F分离的隔膜9.致动/检测元件4A，4B定位 在室内，以便与流体F隔离并且机械耦合到隔膜9.布置成浸入流体F中的谐振元件3,3A，3B，3C，3D机械耦合到膜9.膜 9具有能够在致动/检测元件4A，4B与谐振元件3A，3B，3C，3D之间传递机械振动的厚度。

公开(公告)号：US07874199B2

公开(公告)日：2011-01-25

申请号：US12097901

申请日：2006-12-27

Applicant: Francois Chaudoreille ,  Alfred Permuy ,  Eric Donzier

Inventor： Francois Chaudoreille ,  Alfred Permuy ,  Eric Donzier

IPC: G01N9/10 ,  G01N11/16

CPC classification number: G01N9/002 ,  G01N11/16

Abstract: A density and viscosity sensor for measuring density and viscosity of a fluid, and method for measuring, are presented herein. The sensor comprises a resonating element, and actuating/detecting element, a connector and a housing. The actuating/detecting element is positioned within a chamber defined by the housing so as to be isolated from the fluid. The resonating element is arranged to be immersed in the fluid, and has a shape defining a first resonance mode and a second resonance mode characterized by different resonance frequencies and different quality factors. The first resonance mode is adapted to move a volume of fluid, and the second resonance mode is adapted to shear a surrounding fluid.

Abstract translation: 本文给出了用于测量流体密度和粘度的密度和粘度传感器及其测量方法。 传感器包括谐振元件，致动/检测元件，连接器和壳体。 致动/检测元件位于由壳体限定的室内，以便与流体隔离。 谐振元件布置成浸没在流体中，并且具有限定第一共振模式的形状和以不同共振频率和不同质量因子为特征的第二共振模式。 第一谐振模式适于移动一定体积的流体，并且第二共振模式适于剪切周围流体。

公开(公告)号：US09356533B2

公开(公告)日：2016-05-31

申请号：US14009547

申请日：2012-04-05

Applicant: Alfred Permuy

Inventor： Alfred Permuy

IPC: H02P1/54 ,  H02M5/40 ,  H02J3/38 ,  H02P9/00

CPC classification number: H02M5/40 ,  F05B2220/70646 ,  H02J3/38 ,  H02P9/007

Abstract: A drive train comprising an electric machine including a rotor and a stator, the stator being connected to an alternating grid and having a stator frequency, and a bidirectional system for converting an alternating current into another alternating current. The conversion system is connected between the grid and the rotor, and comprises an AC-DC converter connected to the grid, an inverter connected between the AC-DC converter and the rotor, and a device for controlling switches of the inverter according to a control law. The control law is such that the active power exchanged by the inverter with the rotor is essentially always lower than 0.3 times the nominal power of the direct current specifically circulating between the AC-DC converter and the inverter, for the frequencies of a target interval of between 0.6 times the stator frequency and 1.4 times the stator frequency.

Abstract translation: 一种传动系，其包括具有转子和定子的电机，所述定子连接到交变电网并具有定子频率，以及用于将交流电转换成另一交流电的双向系统。 转换系统连接在电网和转子之间，并且包括连接到电网的AC-DC转换器，连接在AC-DC转换器和转子之间的逆变器，以及根据控制器控制逆变器的开关的装置 法。 控制规律是这样的，使用逆变器与转子交换的有功功率基本上总是低于在AC-DC转换器和逆变器之间特别循环的直流电的额定功率的0.3倍， 定子频率的0.6倍和定子频率的1.4倍。

公开(公告)号：US20140218993A1

公开(公告)日：2014-08-07

申请号：US14342256

申请日：2012-08-30

Applicant: Alfred Permuy

Inventor： Alfred Permuy

IPC: H02M7/537

CPC classification number: H02M7/537 ,  H02M1/088

Abstract: A system for converting a first electric voltage into a second electric voltage, comprising: at least two input terminals and two output terminals; and switching members disposed between the terminals, which can convert the first voltage into the second voltage. At least one switching member comprises at least two arms connected in parallel and each arm includes an electronic switch that can be controlled such as to occupy either an on-state or an off-state, said switch comprising a control electrode and two conduction electrodes that conduct current in the on-state. The switching member comprises a common control terminal connected to the control electrode of the switch of each arm, as well as a first common conduction terminal and a second common conduction terminal connected respectively to a first conduction electrode and a second conduction electrode of the switch of each of the arms.

Abstract translation: 一种用于将第一电压转换成第二电压的系统，包括：至少两个输入端子和两个输出端子; 以及设置在端子之间的开关构件，其可以将第一电压转换成第二电压。 至少一个切换构件包括并联连接的至少两个臂，并且每个臂包括可被控制的电子开关，以便占据导通状态或截止状态，所述开关包括控制电极和两个导电电极， 在现场进行电流。 开关构件包括连接到每个臂的开关的控制电极的公共控制端子，以及分别连接到第一导通电极和第二导通电极的第一公共导电端子和第二共同导电端子， 每个手臂。

公开(公告)号：US20140022827A1

公开(公告)日：2014-01-23

申请号：US14009547

申请日：2012-04-05

Applicant: Alfred Permuy

Inventor： Alfred Permuy

IPC: H02M5/40

CPC classification number: H02M5/40 ,  F05B2220/70646 ,  H02J3/38 ,  H02P9/007

Abstract: A drive train comprising an electric machine including a rotor and a stator, the stator being connected to an alternating grid and having a stator frequency, and a bidirectional system for converting an alternating current into another alternating current. The conversion system is connected between the grid and the rotor, and comprises an AC-DC converter connected to the grid, an inverter connected between the AC-DC converter and the rotor, and a device for controlling switches of the inverter according to a control law. The control law is such that the active power exchanged by the inverter with the rotor is essentially always lower than 0.3 times the nominal power of the direct current specifically circulating between the AC-DC converter and the inverter, for the frequencies of a target interval of between 0.6 times the stator frequency and 1.4 times the stator frequency.

Abstract translation: 一种传动系，其包括具有转子和定子的电机，所述定子连接到交变电网并具有定子频率，以及用于将交流电转换成另一交流电的双向系统。 转换系统连接在电网和转子之间，并且包括连接到电网的AC-DC转换器，连接在AC-DC转换器和转子之间的逆变器，以及根据控制器控制逆变器的开关的装置 法。 控制规律是这样的，使用逆变器与转子交换的有功功率基本上总是低于在AC-DC转换器和逆变器之间特别循环的直流电的额定功率的0.3倍， 定子频率的0.6倍和定子频率的1.4倍。

公开(公告)号：US5995890A

公开(公告)日：1999-11-30

申请号：US998880

申请日：1997-12-29

Applicant: Alfred Permuy

Inventor： Alfred Permuy

IPC: B62D5/065 ,  B62D5/04

CPC classification number: B62D5/065

Abstract: A motor vehicle power steering system includes a hydraulic pump, an electric motor for driving the pump, and a control unit for controlling the electric motor. The control unit includes means for controlling the power supply voltage applied to the electric motor so that said voltage increases up to a maximum value when the load impedance decreases from its unloaded value, and is at a low value when said load impedance is in the vicinity of its unloaded value.

Abstract translation: 一种汽车动力转向系统，包括液压泵，用于驱动泵的电动马达和用于控制电动机的控制单元。 控制单元包括用于控制施加到电动机的电源电压的装置，使得当负载阻抗从其无负载值减小时，所述电压增加到最大值，并且当所述负载阻抗在附近时处于低值 的卸载价值。

公开(公告)号：US5784270A

公开(公告)日：1998-07-21

申请号：US777233

申请日：1996-12-30

Applicant: Alfred Permuy

Inventor： Alfred Permuy

IPC: H02M7/5387 ,  H02P7/00

CPC classification number: H02M7/5387 ,  H02P7/04

Abstract: Controlling an H-bridge of switches, characterized in that during a cycle, the current takes a peak value of constant sign during a continuous portion corresponding to a cycle fraction equal to .vertline. /U.vertline., where is the mean voltage applied to the load and U is the voltage of the DC voltage source, said portion being preceded by a cycle portion corresponding to a cycle fraction equal to 1/2(1-.vertline. /U.vertline.) during which the two switches (I1, I2) of the H-bridge which are connected to ground are closed (or open as the case may be), and followed by a cycle portion likewise corresponding to a cycle fraction equal to 1/2(1-.vertline. /U.vertline.) during which the two switches (I1, I2) of the H-bridge which are connected to ground are open (or closed as the case may be).

Abstract translation: 控制开关的H桥，其特征在于，在一个周期期间，电流在对应于等于| V / U |的周期分数的连续部分期间获得恒定符号的峰值，其中V是平均值 施加到负载的电压，U是DC电压源的电压，所述部分之前是对应于等于+ E的周期分数的周期部分，f 1/2 + EE（1 | V / U | ），其中连接到地的H桥的两个开关（I1，I2）是闭合的（或者视情况而定），并且后面是同样对应于等于+ E的周期分数的周期部分， 其中连接到地面的H桥的两个开关（I1，I2）打开（或视情况而定）闭合的1/2 + EE（1 | V / U |）。