Patent · US Active

Process venting feature for use in sensor applications with a process fluid barrier

US11371902B2 · kind B2 · utility

0Cited by

33References

20Claims

0Family size

Assignee

ROSEMOUNT INC. · US

Inventors

Nathan R. Pepin · Wenatchee, US
Michael Knopf · Kaiserslautern, DE
James Walters, III · Malaga, US
David Alexander Andrew · Wenatchee, US
David Cutter · Munich, DE

Key dates

Filing date	Dec 27, 2019
Grant date	Jun 28, 2022
Priority date	—
Expiry date	Aug 13, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG01L27/005
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A pressure transmitter includes a housing and a pressure sensor having an electrical characteristic that varies with applied pressure. The pressure sensor is configured to generate a sensor signal indicative of process fluid pressure. A transmitter isolation diaphragm is configured to couple to a process barrier seal to convey pressure to the pressure sensor. A flange is coupled to the transmitter isolation diaphragm. The flange includes at least one gas pathway extending inwardly from an outer diameter of the transmitter isolation diaphragm. Electronics are coupled to the pressure sensor to receive the sensor signal and to generate an output indicative of the pressure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.