Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CONST ELEC MEC METALLURG
Original Assignee
CONST ELEC MEC METALLURG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CONST ELEC MEC METALLURGfiledCriticalCONST ELEC MEC METALLURG
Application grantedgrantedCritical
Publication of FR1179015ApublicationCriticalpatent/FR1179015A/en
G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
Landscapes
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
FR1179015D1957-07-171957-07-17 Improvements to pressure measuring devicesExpiredFR1179015A (en)