Measuring and testing – Fluid pressure gauge – With protective separator
Patent
1989-06-26
1990-03-20
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
With protective separator
73721, G01L 708, G01L 906, G01L 1302
Patent
active
049090836
ABSTRACT:
A pressure/differential pressure measuring device having a range plate with static and differential pressure sensors mounted therein. A high pressure isolation plate is mounted on one side of the range plate with a high pressure diaphragm mounted on the side of the high pressure isolation plate away from the range plate and sealed thereto forming a first fluid chamber between the inside of the high pressure diaphragm and the high pressure isolation plate side of the sensor assemblies. A low pressure isolation plate is mounted on the other side of the range plate with a low pressure diaphragm mounted on the side of the low pressure isolation plate away from the range plate and sealed thereto forming a second fluid chamber between the inside of said low pressure diaphragm and the low pressure isolation plate side of the sensor assemblies. A conduit between the first and second fluid chambers has a range diaphragm mounted to isolate the first and second chambers and means are provided to apply the high and low pressure to the outside of the high and low pressure diaphragms respectively.
REFERENCES:
patent: 1018561 (1912-02-01), Hitchcock
patent: 4841776 (1989-06-01), Kawachi et al.
Fazeli Abdolmajid
Ginkel Ernst R.
Ponzi Joseph J.
ITT Corporation
Lombardi Menotti J.
Woodiel Donald O.
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