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公开(公告)号：US07509865B2
公开(公告)日：2009-03-31
申请号：US10588852
申请日：2005-02-02
IPC分类号： G01L7/08
CPC分类号： G01L13/025 , G01L19/0618 , G01L19/0645
摘要： A pressure difference transducer includes a hydraulic body, in which is formed an overload chamber containing an overload membrane. The overload chamber divides the overload chamber into a high-pressure chamber portion and a low-pressure chamber portion. The high-pressure chamber portion communicates with a first hydraulic path, which extends between a first diaphragm seal and a high-pressure side of a pressure measuring cell, and the low-pressure chamber portion communicates with a second hydraulic path, which extends between a second diaphragm seal and a low-pressure side of the pressure measuring cell. The low-pressure chamber portion has an essentially convex membrane bed, against which the overload membrane lies in a rest position.
摘要翻译： 压差传感器包括液压体，其中形成有包含过载膜的过载室。 过载室将过载室分为高压室部分和低压室部分。 高压室部分与在压力测量单元的第一隔膜密封件和高压侧之间延伸的第一液压路径连通，并且低压室部分与第二液压路径连通，该第二液压路径在 第二隔膜密封件和压力测量单元的低压侧。 低压室部分具有基本上凸起的膜床，过载膜处于静止位置。
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2.发明授权公开(公告)号：US06581469B2
公开(公告)日：2003-06-24
申请号：US10042297
申请日：2002-01-11
IPC分类号： G01L1500
CPC分类号： G01L13/025 , G01L19/04
摘要： A differential pressure sensor, for determining the differential pressure between two measuring points, comprises a pressure vessel which is filled with a transfer fluid; a measuring cell which is arranged in the pressure vessel and is surrounded by the transfer fluid, with two half-cells; a diaphragm-like deforming body which separates the two half-cells from each other in a pressuretight manner; two pressure supply lines, which respectively feed the pressure from one of the two measuring points outside the pressure vessel to one of the two half-cells; and at least one pressure accumulator, the pressure of which acts on the transfer fluid in the vessel. Elastic or compressible bodies with a linear or degressive characteristic are suitable as the pressure accumulator. The pressure accumulator compensates for changes in volume of the transfer fluid on account of temperature fluctuations.
摘要翻译： 用于确定两个测量点之间的压差的差压传感器包括填充有转移流体的压力容器; 测量单元，其布置在压力容器中并被转移流体包围，具有两个半单元; 隔膜状变形体，其以两个半电池隔离; 两个压力供给管线，分别将压力从压力容器外的两个测量点中的一个供给到两个半单元中的一个; 以及至少一个压力存储器，其压力作用在容器中的转移流体上。 具有线性或递减特性的弹性体或可压缩体适合作为蓄压器。 压力蓄能器由于温度波动而补偿传输流体的体积变化。
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公开(公告)号：US07461557B1
公开(公告)日：2008-12-09
申请号：US10736907
申请日：2003-12-17
IPC分类号： G01L7/00
CPC分类号： G01L19/0627
摘要： A pressure transmitter for registering the pressure of a medium. The pressure transmitter includes a transmitter body, a dividing membrane attached to the transmitter body forming thereby a pressure chamber, a first pressure canal and a second pressure canal. The two pressure canals exhibit different hydraulic properties.
摘要翻译： 用于记录介质的压力的压力传感器。 压力变送器包括发射器主体，附接到发射器主体的分隔膜，从而形成压力室，第一压力管道和第二压力管道。 两个压力管道表现出不同的水力特性。
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公开(公告)号：US06631644B2
公开(公告)日：2003-10-14
申请号：US09877009
申请日：2001-06-11
IPC分类号： G01L1302
CPC分类号： G01L19/0084 , G01L13/025 , G01L19/0038 , G01L19/0645
摘要： A differential pressure pickup with a small hysteresis volume which has a sensor element, two pressure measuring chambers adjacent thereto, two pressure receiving chambers closed off by separating diaphragms and two overload chambers separated from each other by an overload diaphragm, in which pickup the overload diaphragm has a closed outer edge and a closed inner edge and is firmly restrained along its outer edge and its inner edge.
摘要翻译： 具有小滞环体积的差压拾取器，其具有传感器元件，与其相邻的两个压力测量室，两个压力接收室通过分离隔膜和两个由过载隔膜彼此分离的过载室而封闭，其中拾取过载隔膜 具有封闭的外边缘和封闭的内边缘，并沿其外边缘及其内边缘牢固地限制。
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公开(公告)号：US07798007B2
公开(公告)日：2010-09-21
申请号：US11921567
申请日：2006-05-10
IPC分类号： G01L7/08
CPC分类号： G01L19/0046
摘要： A hydraulic pressure intermediary includes: a platform, which has a bowl-shaped surface having an annular, platform-surface edge region, a platform-surface central region depressed relative to the platform-surface edge region and surrounded by the platform-surface edge region, and an annular platform-surface transition region, which borders, on its inner side, the platform-surface central region and, on its outer side, the platform-surface edge region; a bowl-shaped, separating membrane having a flat, annular, separating-membrane edge region, a separating-membrane central region depressed relative to the separating-membrane edge region and an annular separating-membrane transition region, which borders, on its inner side, the separating-membrane central region and, on its outer side, the separating-membrane edge region. The separating membrane is connected with the platform-surface edge region within the separating-membrane edge region along a surrounding joint. Further, the separating-membrane transition region includes an annular moat having a moat outer side, a moat inner side, and a moat transition zone, wherein the moat outer side has a first annular inclined surface, which borders on the separating-membrane edge region, the moat inner side includes a second annular inclined surface, which borders on the separating-membrane central region, and the moat transition zone extends between the first and the second inclined surfaces.
摘要翻译： 液压中介包括：具有碗状表面的平台，该碗状表面具有环形平台表面边缘区域，相对于平台表面边缘区域凹陷并被平台表面边缘区域包围的平台表面中心区域 以及在其内侧与平台表面中心区域相邻并且在其外侧与平台表面边缘区域相邻的环形平台表面过渡区域; 具有平坦的，环状的分隔膜边缘区域的碗状分离膜，相对于分隔膜边缘区域凹陷的分离膜中心区域和在其内侧边界的环状分离膜过渡区域 ，分离膜中心区域，其外侧为分离膜边缘区域。 分离膜沿着周围的接头与分离膜边缘区域内的平台表面边缘区域连接。 此外，分离膜过渡区域包括具有护城河外侧，护城河内侧和护城河过渡区域的环形护城河，其中护城河外侧具有第一环形倾斜表面，该第一环形倾斜表面邻接在分隔膜边缘区域 护城河内侧包括与分隔膜中心区域相接的第二环形倾斜表面，并且护城河过渡区域在第一和第二倾斜表面之间延伸。
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