公开(公告)号：US10514311B2

公开(公告)日：2019-12-24

申请号：US14483301

申请日：2014-09-11

Applicant: Rosemount Inc.

Inventor： Zhang Xiaoang ,  Vincent Cline

IPC: G01L19/06 ,  G01L9/00 ,  G01L13/02 ,  G01L19/00 ,  G01L7/08

Abstract: A process pressure transmitter system includes a process pressure transmitter housing, a process pressure sensor in the process pressure transmitter housing, a flange face in the process pressure transmitter housing and an isolation diaphragm on the flange face. A first capillary passageway carries a first fill fluid from the isolation diaphragm to the process pressure sensor. A process seal diaphragm couples to a process fluid of the industrial process. A second capillary passageway carries a second fill fluid from the process seal diaphragm to the isolation diaphragm. A diamond like carbon (DLC) coating coats the process seal diaphragm.

公开(公告)号：US20150377730A1

公开(公告)日：2015-12-31

申请号：US14483301

申请日：2014-09-11

Applicant: Rosemount Inc.

Inventor： Zhang Xiaoang ,  Vincent Cline

IPC: G01L9/00

Abstract: A process pressure transmitter system includes a process pressure transmitter housing, a process pressure sensor in the process pressure transmitter housing, a flange face in the process pressure transmitter housing and an isolation diaphragm on the flange face. A first capillary passageway carries a first fill fluid from the isolation diaphragm to the process pressure sensor. A process seal diaphragm couples to a process fluid of the industrial process. A second capillary passageway carries a second fill fluid from the process seal diaphragm to the isolation diaphragm. A diamond like carbon (DLC) coating coats the process seal diaphragm.

Abstract translation: 过程压力变送器系统包括过程压力变送器壳体，过程压力变送器壳体中的过程压力传感器，过程压力变送器壳体中的法兰面和法兰面上的隔离膜。 第一毛细通道将第一填充流体从隔离膜运送至过程压力传感器。 工艺密封隔膜耦合到工业过程的工艺流体。 第二毛细管通道将第二填充流体从过程密封隔膜传送到隔离隔膜。 钻石像碳（DLC）涂层涂覆工艺密封膜片。