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1. 发明授权

US06796185B2 Differential pressure/pressure transmitter 有权
标题翻译：差压/压力变送器
公开(公告)号：US06796185B2
公开(公告)日：2004-09-28
申请号：US10400417
申请日：2003-03-28
申请人： Ryou Kurosawa , Mamoru Aizawa
发明人： Ryou Kurosawa , Mamoru Aizawa
IPC分类号： G01L1500
CPC分类号： G01L19/0618 , G01L19/0645
摘要： The differential pressure/pressure transmitter of the present invention detects overpressures by using pre-loading diaphragms. The differential pressure/pressure transmitter of the present invention is provided with a high pressure-side diaphragm assembly 24 having a high pressure-side process diaphragm 34, which transfers high pressure from a process to the high pressure-side transfer oil, and a high pressure-side pre-loading diaphragm 32. The differential pressure/pressure transmitter is also provided with a low pressure-side diaphragm assembly 25 having a low pressure-side process diaphragm 38 and a low pressure-side pre-loading diaphragm 36. A differential pressure sensor assembly is provided to detect the pressure difference between the high pressure-side transfer oil from the high pressure-side diaphragm assembly and the above low pressure-side transfer oil from the low pressure-side diaphragm assembly.
摘要翻译：本发明的差压/压力变送器通过使用预加载膜检测超压。本发明的差压/压力变送器设置有高压侧隔膜组件24，该高压侧隔膜组件24具有高压侧过程隔膜34，其将高压从工艺转移到高压侧转移油，并且高压差侧预加载隔膜32.差压/压力变送器还设置有具有低压侧过程隔膜38和低压侧预加载隔膜36的低压侧隔膜组件25.差动提供压力传感器组件以检测来自高压侧隔膜组件的高压侧转印油与来自低压侧隔膜组件的上述低压侧转印油之间的压力差。

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