Multiple diaphragm probe seal

Details Multiple diaphragm probe seal Multiple diaphragm probe seal

1987-10-19

1989-05-16

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73716, 73717, 73729, 73754, 7386124, G01L 708, G01L 908, G01L 1306

Patent

active

048298255

ABSTRACT:
An improved diaphragm probe comprising a plate having a portion removed to form one or more cavities. At least two diaphragm strips sealed to close off each of the external openings of each of said one or more cavities. An incompressible fluid filling each cavity. A pressure sensitive instrument and means to transmit pressure changes at the diaphragms to said instrument in order to maximize the active diaphragm area with relation to the entry dimensions of the probe into a conduit.

REFERENCES:
patent: 2315756 (1943-04-01), Warner
patent: 4085614 (1978-04-01), Curran et al.
patent: 4262532 (1981-04-01), Butler et al.
patent: 4402226 (1983-09-01), Perkins et al.
patent: 4694702 (1987-09-01), Amemori et al.

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