Pressure transducer with capillary tube for high pressure...

Details Pressure transducer with capillary tube for high pressure... Pressure transducer with capillary tube for high pressure...

2005-10-18

2005-10-18

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

With protective separator

C338S004000

Reexamination Certificate

active

06955087

ABSTRACT:
A pressure transducer with a capillary tube filled with a fluid for high pressure measurements. The pressure transducer has a sensitive element formed with a bore defining a cylindrical sensitive chamber, and respective capillary tubes attached to either ends of the sensitive element in fluid communication with the sensitive chamber. Advantageously, each capillary tube has a respective end outside threaded to engage in a mating thread-way provided in the sensitive element; moreover, a perimeter weld is provided for safety around each capillary tube near the connection to the sensitive element.

REFERENCES:
patent: 2420148 (1947-05-01), Ostergren
patent: 3349623 (1967-10-01), Pastan
patent: 3645136 (1972-02-01), Calhoun
patent: 4625559 (1986-12-01), Carter et al.
patent: 4679438 (1987-07-01), Wareham
patent: 4680972 (1987-07-01), Wareham
patent: 4702113 (1987-10-01), Wareham
patent: 4712430 (1987-12-01), Wareham
patent: 4858471 (1989-08-01), Wareham
patent: 0 187 385 (1986-07-01), None
patent: 1023433 (1966-03-01), None

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